XBean XML Reference 4.1

Using ActiveMQ > Xml Reference > XBean XML Reference 4.1

Elements By Type

The org.apache.activemq.network.jms.InboundQueueBridge Type Implementations

<inboundQueueBridge>

Create an Inbound Queue Bridge

The org.apache.activemq.broker.BrokerService Type Implementations

<broker>

An ActiveMQ Message Broker which consists of a number of transport connectors, network connectors and a persistence adaptor

The org.apache.activemq.broker.BrokerPlugin Type Implementations

<authorizationPlugin>

An authorization plugin where each operation on a destination is checked against an authorizationMap

<connectionDotFilePlugin>

A DOT file creator plugin which creates a DOT file showing the current connections

<destinationDotFilePlugin>

A DOT file creator plugin which creates a DOT file showing the current topic & queue hierarchies.

<jaasAuthenticationPlugin>

Provides a JAAS based authentication plugin

<loggingBrokerPlugin>

A simple Broker interceptor which allows you to enable/disable logging.

<simpleAuthenticationPlugin>

Provides a simple authentication plugin configured with a map of user-passwords and a map of user-groups

The org.apache.activemq.store.jdbc.JDBCAdapter Type Implementations

<blobJDBCAdapter>

This JDBCAdapter inserts and extracts BLOB data using the getBlob()/setBlob() operations. This is a little more involved since to insert a blob you have to: 1: insert empty blob. 2: select the blob 3: finally update the blob with data value. The databases/JDBC drivers that use this adapter are:

<bytesJDBCAdapter>

This JDBCAdapter inserts and extracts BLOB data using the setBytes()/getBytes() operations. The databases/JDBC drivers that use this adapter are:

<db2JDBCAdapter>

<defaultJDBCAdapter>

Implements all the default JDBC operations that are used by the JDBCPersistenceAdapter.

sub-classing is encouraged to override the default implementation of methods to account for differences in JDBC Driver implementations.

The JDBCAdapter inserts and extracts BLOB data using the getBytes()/setBytes() operations.

The databases/JDBC drivers that use this adapter are:

<imageBasedJDBCAdaptor>

Provides JDBCAdapter since that uses IMAGE datatype to hold binary data. The databases/JDBC drivers that use this adapter are:

  • Sybase
  • MS SQL

<oracleJDBCAdapter>

Implements all the default JDBC operations that are used by the JDBCPersistenceAdapter.

Subclassing is encouraged to override the default implementation of methods to account for differences in JDBC Driver implementations.

The JDBCAdapter inserts and extracts BLOB data using the getBytes()/setBytes() operations.

The databases/JDBC drivers that use this adapter are:

<streamJDBCAdapter>

This JDBCAdapter inserts and extracts BLOB data using the setBinaryStream()/getBinaryStream() operations. The databases/JDBC drivers that use this adapter are:

  • Axion

The org.apache.activemq.broker.region.virtual.VirtualDestination Type Implementations

<compositeQueue>

Represents a virtual queue which forwards to a number of other destinations.

<compositeTopic>

Represents a virtual topic which forwards to a number of other destinations.

<virtualTopic>

Creates Virtual Topics using a prefix and postfix. The virtual destination creates a wildcard that is then used to look up all active queue subscriptions which match.

The org.apache.activemq.broker.region.policy.PolicyMap Type Implementations

<policyMap>

Represents a destination based configuration of policies so that individual destinations or wildcard hierarchies of destinations can be configured using different policies.

The org.apache.activemq.broker.region.policy.PendingMessageLimitStrategy Type Implementations

<constantPendingMessageLimitStrategy>

This PendingMessageLimitStrategy is configured to a constant value for all subscriptions.

<prefetchRatePendingMessageLimitStrategy>

This PendingMessageLimitStrategy sets the maximum pending message limit value to be a multiplier of the prefetch limit of the subscription.

The org.apache.activemq.broker.region.policy.SubscriptionRecoveryPolicy Type Implementations

<fixedCountSubscriptionRecoveryPolicy>

This implementation of {@link SubscriptionRecoveryPolicy} will only keep the last message.

<fixedSizedSubscriptionRecoveryPolicy>

This implementation of {@link SubscriptionRecoveryPolicy} will keep a fixed amount of memory available in RAM for message history which is evicted in time order.

<lastImageSubscriptionRecoveryPolicy>

This implementation of {@link SubscriptionRecoveryPolicy} will only keep the last message.

<noSubscriptionRecoveryPolicy>

This is the default Topic recovery policy which does not recover any messages.

<queryBasedSubscriptionRecoveryPolicy>

This implementation of {@link SubscriptionRecoveryPolicy} will perform a user specific query mechanism to load any messages they may have missed.

<timedSubscriptionRecoveryPolicy>

This implementation of {@link SubscriptionRecoveryPolicy} will keep a timed buffer of messages around in memory and use that to recover new subscriptions.

The org.apache.activemq.store.jdbc.Statements Type Implementations

<statements>

The org.apache.activemq.broker.jmx.ManagementContext Type Implementations

<managementContext>

A Flow provides different dispatch policies within the NMR

The org.apache.activemq.store.PersistenceAdapterFactory Type Implementations

<journaledJDBC>

Creates a default persistence model using the Journal and JDBC

The org.apache.activemq.security.AuthorizationEntry Type Implementations

<authorizationEntry>

Represents an entry in a {@link DefaultAuthorizationMap} for assigning different operations (read, write, admin) of user roles to a specific destination or a hierarchical wildcard area of destinations.

The org.apache.activemq.broker.region.policy.DeadLetterStrategy Type Implementations

<individualDeadLetterStrategy>

A {@link DeadLetterStrategy} where each destination has its own individual DLQ using the subject naming hierarchy.

<sharedDeadLetterStrategy>

A default implementation of {@link DeadLetterStrategy} which uses a constant destination.

The javax.jms.Topic Type Implementations

<topic>

An ActiveMQ Topic Destination

The org.apache.activemq.store.PersistenceAdapter Type Implementations

<jdbcPersistenceAdapter>

A {@link PersistenceAdapter} implementation using JDBC for persistence storage. This persistence adapter will correctly remember prepared XA transactions, but it will not keep track of local transaction commits so that operations performed against the Message store are done as a single uow.

<journalPersistenceAdapter>

An implementation of {@link PersistenceAdapter} designed for use with a {@link Journal} and then check pointing asynchronously on a timeout with some other long term persistent storage.

<kahaPersistenceAdapter>

<memoryPersistenceAdapter>

<quickJournalPersistenceAdapter>

An implementation of {@link PersistenceAdapter} designed for use with a {@link Journal} and then check pointing asynchronously on a timeout with some other long term persistent storage.

<rapidPersistenceAdapter>

An implementation of {@link PersistenceAdapter} designed for use with a {@link Journal} and then check pointing asynchronously on a timeout with some other long term persistent storage.

The org.apache.activemq.broker.region.policy.PolicyEntry Type Implementations

<policyEntry>

Represents an entry in a {@link PolicyMap} for assigning policies to a specific destination or a hierarchical wildcard area of destinations.

The org.apache.activemq.network.DemandForwardingBridgeSupport Type Implementations

<compositeDemandForwardingBridge>

A demand forwarding bridge which works with multicast style transports where a single Transport could be communicating with multiple remote brokers

<demandForwardingBridge>

Forwards messages from the local broker to the remote broker based on demand.

The org.apache.activemq.network.jms.OutboundQueueBridge Type Implementations

<outboundQueueBridge>

Create an Outbound Queue Bridge

The org.apache.activemq.memory.UsageManager Type Implementations

<usageManager>

Used to keep track of how much of something is being used so that a productive working set usage can be controlled. Main use case is manage memory usage.

The org.apache.activemq.store.jdbc.JDBCPersistenceAdapter Type Implementations

<jdbcPersistenceAdapter>

A {@link PersistenceAdapter} implementation using JDBC for persistence storage. This persistence adapter will correctly remember prepared XA transactions, but it will not keep track of local transaction commits so that operations performed against the Message store are done as a single uow.

The org.apache.activemq.command.ActiveMQDestination Type Implementations

<queue>

An ActiveMQ Queue Destination

<topic>

An ActiveMQ Topic Destination

The org.apache.activemq.network.jms.InboundTopicBridge Type Implementations

<inboundTopicBridge>

Create an Inbound Topic Bridge

The org.apache.activemq.network.jms.JmsConnector Type Implementations

<jmsQueueConnector>

A Bridge to other JMS Queue providers

<jmsTopicConnector>

A Bridge to other JMS Topic providers

The org.apache.activemq.security.AuthorizationMap Type Implementations

<authorizationMap>

Represents a destination based configuration of policies so that individual destinations or wildcard hierarchies of destinations can be configured using different policies. Each entry in the map represents the authorization ACLs for each operation.

<simpleAuthorizationMap>

An AuthorizationMap which is configured with individual DestinationMaps for each operation.

The org.apache.activemq.broker.region.policy.DispatchPolicy Type Implementations

<roundRobinDispatchPolicy>

Simple dispatch policy that sends a message to every subscription that matches the message.

<simpleDispatchPolicy>

Simple dispatch policy that sends a message to every subscription that matches the message.

<strictOrderDispatchPolicy>

Dispatch policy that causes every subscription to see messages in the same order.

The javax.jms.Queue Type Implementations

<queue>

An ActiveMQ Queue Destination

The org.apache.activemq.broker.region.policy.MessageEvictionStrategy Type Implementations

<oldestMessageEvictionStrategy>

An eviction strategy which evicts the oldest message first (which is the default).

<oldestMessageWithLowestPriorityEvictionStrategy>

An eviction strategy which evicts the oldest message with the lowest priority first.

The org.apache.activemq.network.jms.JmsMesageConvertor Type Implementations

<simpleJmsMessageConvertor>

Converts Message from one JMS to another

The org.apache.activemq.broker.region.DestinationInterceptor Type Implementations

<virtualDestinationInterceptor>

Implements Virtual Topics.

The org.apache.activemq.network.jms.OutboundTopicBridge Type Implementations

<outboundTopicBridge>

Create an Outbound Topic Bridge

The org.apache.activemq.filter.DestinationMap Type Implementations

<authorizationMap>

Represents a destination based configuration of policies so that individual destinations or wildcard hierarchies of destinations can be configured using different policies. Each entry in the map represents the authorization ACLs for each operation.

<policyMap>

Represents a destination based configuration of policies so that individual destinations or wildcard hierarchies of destinations can be configured using different policies.

The <authorizationEntry> Element

Represents an entry in a {@link DefaultAuthorizationMap} for assigning different operations (read, write, admin) of user roles to a specific destination or a hierarchical wildcard area of destinations.

Properties

Property Name

Type

Description

admin

java.lang.String

adminACLs

java.util.Set

destination

org.apache.activemq.command.ActiveMQDestination

queue

java.lang.String

A helper method to set the destination from a configuration file

read

java.lang.String

readACLs

java.util.Set

topic

java.lang.String

A helper method to set the destination from a configuration file

write

java.lang.String

writeACLs

java.util.Set

The <authorizationMap> Element

Represents a destination based configuration of policies so that individual destinations or wildcard hierarchies of destinations can be configured using different policies. Each entry in the map represents the authorization ACLs for each operation.

Properties

Property Name

Type

Description

authorizationEntries

(java.lang.Object)*

Sets the individual entries on the authorization map

defaultEntry

org.apache.activemq.security.AuthorizationEntry

entries

(java.lang.Object)*

A helper method to allow the destination map to be populated from a dependency injection framework such as Spring

The <authorizationPlugin> Element

An authorization plugin where each operation on a destination is checked against an authorizationMap

Properties

Property Name

Type

Description

map

org.apache.activemq.security.AuthorizationMap

The <axionJDBCAdapter> Element

Axion specific Adapter. Axion does not seem to support ALTER statements or sub-selects. This means: - We cannot auto upgrade the schema was we roll out new versions of ActiveMQ - We cannot delete durable sub messages that have be acknowledged by all consumers.

Properties

Property Name

Type

Description

batchStatments

boolean

statements

org.apache.activemq.store.jdbc.Statements

useExternalMessageReferences

boolean

The <blobJDBCAdapter> Element

This JDBCAdapter inserts and extracts BLOB data using the getBlob()/setBlob() operations. This is a little more involved since to insert a blob you have to: 1: insert empty blob. 2: select the blob 3: finally update the blob with data value. The databases/JDBC drivers that use this adapter are:

Properties

Property Name

Type

Description

batchStatments

boolean

statements

org.apache.activemq.store.jdbc.Statements

useExternalMessageReferences

boolean

The <broker> Element

An ActiveMQ Message Broker which consists of a number of transport connectors, network connectors and a persistence adaptor

Properties

Property Name

Type

Description

adminView

org.apache.activemq.broker.jmx.BrokerView

Returns the administration view of the broker; used to create and destroy resources such as queues and topics. Note this method returns null if JMX is disabled.

advisorySupport

boolean

Allows the support of advisory messages to be disabled for performance reasons.

brokerName

java.lang.String

Sets the name of this broker; which must be unique in the network

brokerObjectName

javax.management.ObjectName

Sets the JMX ObjectName for this broker

dataDirectory

java.io.File

Sets the directory in which the data files will be stored by default for the JDBC and Journal persistence adaptors.

deleteAllMessagesOnStartup

boolean

Sets whether or not all messages are deleted on startup - mostly only useful for testing.

destinationInterceptors

(org.apache.activemq.broker.region.DestinationInterceptor)*

Sets the destination interceptors to use

destinationPolicy

org.apache.activemq.broker.region.policy.PolicyMap

Sets the destination specific policies available either for exact destinations or for wildcard areas of destinations.

destinations

(org.apache.activemq.command.ActiveMQDestination)*

Sets the destinations which should be loaded/created on startup

jmsBridgeConnectors

(org.apache.activemq.network.jms.JmsConnector)*

keepDurableSubsActive

boolean

managementContext

org.apache.activemq.broker.jmx.ManagementContext

masterConnectorURI

java.lang.String

memoryManager

org.apache.activemq.memory.UsageManager

messageAuthorizationPolicy

org.apache.activemq.security.MessageAuthorizationPolicy

Sets the policy used to decide if the current connection is authorized to consume a given message

networkConnectorURIs

(java.lang.String)*

networkConnectors

(java.lang.Object)*

Sets the network connectors which this broker will use to connect to other brokers in a federated network

persistenceAdapter

org.apache.activemq.store.PersistenceAdapter

Sets the persistence adaptor implementation to use for this broker

persistenceFactory

org.apache.activemq.store.PersistenceAdapterFactory

persistent

boolean

Sets whether or not persistence is enabled or disabled.

plugins

(org.apache.activemq.broker.BrokerPlugin)*

Sets a number of broker plugins to install such as for security authentication or authorization

populateJMSXUserID

boolean

Sets whether or not the broker should populate the JMSXUserID header.

proxyConnectors

(java.lang.Object)*

Sets the network connectors which this broker will use to connect to other brokers in a federated network

shutdownOnMasterFailure

boolean

start

boolean

Sets whether or not the broker is started along with the ApplicationContext it is defined within. Normally you would want the broker to start up along with the ApplicationContext but sometimes when working with JUnit tests you may wish to start and stop the broker explicitly yourself.

taskRunnerFactory

org.apache.activemq.thread.TaskRunnerFactory

transportConnectorURIs

(java.lang.String)*

transportConnectors

(java.lang.Object)*

Sets the transport connectors which this broker will listen on for new clients

useJmx

boolean

Sets whether or not the Broker’s services should be exposed into JMX or not.

useLoggingForShutdownErrors

boolean

Sets whether or not we should use commons-logging when reporting errors when shutting down the broker

useShutdownHook

boolean

Sets whether or not we should use a shutdown handler to close down the broker cleanly if the JVM is terminated. It is recommended you leave this enabled.

useVirtualTopics

boolean

Sets whether or not Virtual Topics should be supported by default if they have not been explicitly configured.

vmConnectorURI

java.net.URI

The <bytesJDBCAdapter> Element

This JDBCAdapter inserts and extracts BLOB data using the setBytes()/getBytes() operations. The databases/JDBC drivers that use this adapter are:

Properties

Property Name

Type

Description

batchStatments

boolean

statements

org.apache.activemq.store.jdbc.Statements

useExternalMessageReferences

boolean

The <compositeDemandForwardingBridge> Element

A demand forwarding bridge which works with multicast style transports where a single Transport could be communicating with multiple remote brokers

Properties

Property Name

Type

Description

decreaseNetworkConsumerPriority

boolean

dispatchAsync

boolean

durableDestinations

(org.apache.activemq.command.ActiveMQDestination)*

dynamicallyIncludedDestinations

(org.apache.activemq.command.ActiveMQDestination)*

excludedDestinations

(org.apache.activemq.command.ActiveMQDestination)*

localBroker

org.apache.activemq.transport.Transport

localBrokerName

java.lang.String

name

java.lang.String

networkTTL

int

password

java.lang.String

prefetchSize

int

remoteBroker

org.apache.activemq.transport.Transport

staticallyIncludedDestinations

(org.apache.activemq.command.ActiveMQDestination)*

userName

java.lang.String

The <compositeQueue> Element

Represents a virtual queue which forwards to a number of other destinations.

Properties

Property Name

Type

Description

copyMessage

boolean

Sets whether a copy of the message will be sent to each destination. Defaults to true so that the forward destination is set as the destination of the message

forwardOnly

boolean

Sets if the virtual destination is forward only (and so there is no physical queue to match the virtual queue) or if there is also a physical queue with the same name).

forwardTo

java.util.Collection

Sets the list of destinations to forward to

name

java.lang.String

Sets the name of this composite destination

The <compositeTopic> Element

Represents a virtual topic which forwards to a number of other destinations.

Properties

Property Name

Type

Description

copyMessage

boolean

Sets whether a copy of the message will be sent to each destination. Defaults to true so that the forward destination is set as the destination of the message

forwardOnly

boolean

Sets if the virtual destination is forward only (and so there is no physical queue to match the virtual queue) or if there is also a physical queue with the same name).

forwardTo

java.util.Collection

Sets the list of destinations to forward to

name

java.lang.String

Sets the name of this composite destination

The <connectionDotFilePlugin> Element

A DOT file creator plugin which creates a DOT file showing the current connections

Properties

Property Name

Type

Description

file

java.lang.String

Sets the destination file name to create the destination diagram

The <constantPendingMessageLimitStrategy> Element

This PendingMessageLimitStrategy is configured to a constant value for all subscriptions.

Properties

Property Name

Type

Description

limit

int

The <db2JDBCAdapter> Element

Properties

Property Name

Type

Description

batchStatments

boolean

statements

org.apache.activemq.store.jdbc.Statements

useExternalMessageReferences

boolean

The <defaultJDBCAdapter> Element

Implements all the default JDBC operations that are used by the JDBCPersistenceAdapter.

sub-classing is encouraged to override the default implementation of methods to account for differences in JDBC Driver implementations.

The JDBCAdapter inserts and extracts BLOB data using the getBytes()/setBytes() operations.

The databases/JDBC drivers that use this adapter are:

Properties

Property Name

Type

Description

batchStatments

boolean

statements

org.apache.activemq.store.jdbc.Statements

useExternalMessageReferences

boolean

The <demandForwardingBridge> Element

Forwards messages from the local broker to the remote broker based on demand.

Properties

Property Name

Type

Description

decreaseNetworkConsumerPriority

boolean

dispatchAsync

boolean

durableDestinations

(org.apache.activemq.command.ActiveMQDestination)*

dynamicallyIncludedDestinations

(org.apache.activemq.command.ActiveMQDestination)*

excludedDestinations

(org.apache.activemq.command.ActiveMQDestination)*

localBroker

org.apache.activemq.transport.Transport

localBrokerName

java.lang.String

name

java.lang.String

networkTTL

int

password

java.lang.String

prefetchSize

int

remoteBroker

org.apache.activemq.transport.Transport

staticallyIncludedDestinations

(org.apache.activemq.command.ActiveMQDestination)*

userName

java.lang.String

The <destinationDotFilePlugin> Element

A DOT file creator plugin which creates a DOT file showing the current topic & queue hierarchies.

Properties

Property Name

Type

Description

file

java.lang.String

Sets the destination file name to create the destination diagram

The <destinationEntry> Element

A default entry in a DestinationMap which holds a single value.

Properties

Property Name

Type

Description

destination

org.apache.activemq.command.ActiveMQDestination

queue

java.lang.String

A helper method to set the destination from a configuration file

topic

java.lang.String

A helper method to set the destination from a configuration file

value

java.lang.Object

The <fixedCountSubscriptionRecoveryPolicy> Element

This implementation of {@link SubscriptionRecoveryPolicy} will only keep the last message.

Properties

Property Name

Type

Description

maximumSize

int

Sets the maximum number of messages that this destination will hold around in RAM

The <fixedSizedSubscriptionRecoveryPolicy> Element

This implementation of {@link SubscriptionRecoveryPolicy} will keep a fixed amount of memory available in RAM for message history which is evicted in time order.

Properties

Property Name

Type

Description

buffer

org.apache.activemq.memory.list.MessageList

maximumSize

int

Sets the maximum amount of RAM in bytes that this buffer can hold in RAM

useSharedBuffer

boolean

The <forwardingBridge> Element

Forwards all messages from the local broker to the remote broker.

Properties

Property Name

Type

Description

clientId

java.lang.String

destinationFilter

java.lang.String

dispatchAsync

boolean

localBroker

org.apache.activemq.transport.Transport

prefetchSize

int

remoteBroker

org.apache.activemq.transport.Transport

The <imageBasedJDBCAdaptor> Element

Provides JDBCAdapter since that uses IMAGE datatype to hold binary data. The databases/JDBC drivers that use this adapter are:

  • Sybase
  • MS SQL

Properties

Property Name

Type

Description

batchStatments

boolean

statements

org.apache.activemq.store.jdbc.Statements

useExternalMessageReferences

boolean

The <inboundQueueBridge> Element

Create an Inbound Queue Bridge

Properties

Property Name

Type

Description

consumer

javax.jms.MessageConsumer

consumerConnection

javax.jms.QueueConnection

consumerQueue

javax.jms.Queue

doHandleReplyTo

boolean

inboundQueueName

java.lang.String

jmsConnector

org.apache.activemq.network.jms.JmsConnector

jmsMessageConvertor

org.apache.activemq.network.jms.JmsMesageConvertor

producerConnection

javax.jms.QueueConnection

producerQueue

javax.jms.Queue

selector

java.lang.String

The <inboundTopicBridge> Element

Create an Inbound Topic Bridge

Properties

Property Name

Type

Description

consumer

javax.jms.MessageConsumer

consumerConnection

javax.jms.TopicConnection

consumerName

java.lang.String

consumerTopic

javax.jms.Topic

doHandleReplyTo

boolean

inboundTopicName

java.lang.String

jmsConnector

org.apache.activemq.network.jms.JmsConnector

jmsMessageConvertor

org.apache.activemq.network.jms.JmsMesageConvertor

producerConnection

javax.jms.TopicConnection

producerTopic

javax.jms.Topic

selector

java.lang.String

The <individualDeadLetterStrategy> Element

A {@link DeadLetterStrategy} where each destination has its own individual DLQ using the subject naming hierarchy.

Properties

Property Name

Type

Description

queuePrefix

java.lang.String

Sets the prefix to use for all dead letter queues for queue messages

topicPrefix

java.lang.String

Sets the prefix to use for all dead letter queues for topic messages

useQueueForQueueMessages

boolean

Sets whether a queue or topic should be used for queue messages sent to a DLQ. The default is to use a Queue

useQueueForTopicMessages

boolean

Sets whether a queue or topic should be used for topic messages sent to a DLQ. The default is to use a Queue

The <informixJDBCAdapter> Element

JDBC Adapter for Informix database. Because Informix database restricts length of composite primary keys, length of container name field and subscription id field must be reduced to 150 characters. Therefore be sure not to use longer names for container name and subscription id than 150 characters.

Properties

Property Name

Type

Description

batchStatments

boolean

statements

org.apache.activemq.store.jdbc.Statements

useExternalMessageReferences

boolean

The <jaasAuthenticationPlugin> Element

Provides a JAAS based authentication plugin

Properties

Property Name

Type

Description

configuration

java.lang.String

Sets the JAAS configuration domain name used

discoverLoginConfig

boolean

Enables or disables the auto-discovery of the login.config file for JAAS to initialize itself. This flag is enabled by default such that if the java.security.auth.login.config system property is not defined then it is set to the location of the login.config file on the classpath.

The <jdbcPersistenceAdapter> Element

A {@link PersistenceAdapter} implementation using JDBC for persistence storage. This persistence adapter will correctly remember prepared XA transactions, but it will not keep track of local transaction commits so that operations performed against the Message store are done as a single uow.

Properties

Property Name

Type

Description

adapter

org.apache.activemq.store.jdbc.JDBCAdapter

brokerService

org.apache.activemq.broker.BrokerService

cleanupPeriod

int

dataDirectory

java.lang.String

dataDirectoryFile

java.io.File

dataSource

javax.sql.DataSource

databaseLocker

org.apache.activemq.store.jdbc.DatabaseLocker

Sets the database locker strategy to use to lock the database on startup

ds

javax.sql.DataSource

scheduledThreadPoolExecutor

edu.emory.mathcs.backport.java.util.concurrent.ScheduledThreadPoolExecutor

statements

org.apache.activemq.store.jdbc.Statements

usageManager

org.apache.activemq.memory.UsageManager

useDatabaseLock

boolean

useExternalMessageReferences

boolean

wireFormat

org.apache.activeio.command.WireFormat

The <jmsQueueConnector> Element

A Bridge to other JMS Queue providers

Properties

Property Name

Type

Description

brokerService

org.apache.activemq.broker.BrokerService

One way to configure the local connection - this is called by The BrokerService when the Connector is embedded

inboundMessageConvertor

org.apache.activemq.network.jms.JmsMesageConvertor

inboundQueueBridges

(org.apache.activemq.network.jms.InboundQueueBridge)*

jndiLocalTemplate

org.springframework.jndi.JndiTemplate

jndiOutboundTemplate

org.springframework.jndi.JndiTemplate

localConnectionFactoryName

java.lang.String

localPassword

java.lang.String

localQueueConnection

javax.jms.QueueConnection

localQueueConnectionFactory

javax.jms.QueueConnectionFactory

localUsername

java.lang.String

name

java.lang.String

outboundMessageConvertor

org.apache.activemq.network.jms.JmsMesageConvertor

outboundPassword

java.lang.String

outboundQueueBridges

(org.apache.activemq.network.jms.OutboundQueueBridge)*

outboundQueueConnection

javax.jms.QueueConnection

outboundQueueConnectionFactory

javax.jms.QueueConnectionFactory

outboundQueueConnectionFactoryName

java.lang.String

outboundUsername

java.lang.String

replyToDestinationCacheSize

int

The <jmsTopicConnector> Element

A Bridge to other JMS Topic providers

Properties

Property Name

Type

Description

brokerService

org.apache.activemq.broker.BrokerService

One way to configure the local connection - this is called by The BrokerService when the Connector is embedded

inboundMessageConvertor

org.apache.activemq.network.jms.JmsMesageConvertor

inboundTopicBridges

(org.apache.activemq.network.jms.InboundTopicBridge)*

jndiLocalTemplate

org.springframework.jndi.JndiTemplate

jndiOutboundTemplate

org.springframework.jndi.JndiTemplate

localConnectionFactoryName

java.lang.String

localPassword

java.lang.String

localTopicConnection

javax.jms.TopicConnection

localTopicConnectionFactory

javax.jms.TopicConnectionFactory

localUsername

java.lang.String

name

java.lang.String

outboundMessageConvertor

org.apache.activemq.network.jms.JmsMesageConvertor

outboundPassword

java.lang.String

outboundTopicBridges

(org.apache.activemq.network.jms.OutboundTopicBridge)*

outboundTopicConnection

javax.jms.TopicConnection

outboundTopicConnectionFactory

javax.jms.TopicConnectionFactory

outboundTopicConnectionFactoryName

java.lang.String

outboundUsername

java.lang.String

replyToDestinationCacheSize

int

The <journalPersistenceAdapter> Element

An implementation of {@link PersistenceAdapter} designed for use with a {@link Journal} and then check pointing asynchronously on a timeout with some other long term persistent storage.

Properties

Property Name

Type

Description

journal

org.apache.activeio.journal.Journal

longTermPersistence

org.apache.activemq.store.PersistenceAdapter

maxCheckpointMessageAddSize

int

maxCheckpointWorkers

int

taskRunnerFactory

org.apache.activemq.thread.TaskRunnerFactory

usageManager

org.apache.activemq.memory.UsageManager

useExternalMessageReferences

boolean

The <journaledJDBC> Element

Creates a default persistence model using the Journal and JDBC

Properties

Property Name

Type

Description

adapter

org.apache.activemq.store.jdbc.JDBCAdapter

dataDirectory

java.lang.String

dataDirectoryFile

java.io.File

dataSource

javax.sql.DataSource

jdbcAdapter

org.apache.activemq.store.jdbc.JDBCPersistenceAdapter

journal

org.apache.activeio.journal.Journal

journalArchiveDirectory

java.io.File

journalLogFileSize

int

journalLogFiles

int

statements

org.apache.activemq.store.jdbc.Statements

taskRunnerFactory

org.apache.activemq.thread.TaskRunnerFactory

useJournal

boolean

useQuickJournal

boolean

The <kahaPersistenceAdapter> Element

Properties

Property Name

Type

Description

dir

java.io.File

usageManager

org.apache.activemq.memory.UsageManager

useExternalMessageReferences

boolean

The <lastImageSubscriptionRecoveryPolicy> Element

This implementation of {@link SubscriptionRecoveryPolicy} will only keep the last message.

The <loggingBrokerPlugin> Element

A simple Broker interceptor which allows you to enable/disable logging.

Properties

Property Name

Type

Description

ackLog

org.apache.commons.logging.Log

adminConnectionContext

org.apache.activemq.broker.ConnectionContext

log

org.apache.commons.logging.Log

next

org.apache.activemq.broker.Broker

sendLog

org.apache.commons.logging.Log

The <managementContext> Element

A Flow provides different dispatch policies within the NMR

Properties

Property Name

Type

Description

MBeanServer

javax.management.MBeanServer

Get the MBeanServer

connectorPath

java.lang.String

connectorPort

int

createConnector

boolean

createMBeanServer

boolean

findTigerMbeanServer

boolean

Enables/disables the searching for the Java 5 platform MBeanServer

jmxDomainName

java.lang.String

server

javax.management.MBeanServer

useMBeanServer

boolean

The <memoryPersistenceAdapter> Element

Properties

Property Name

Type

Description

usageManager

org.apache.activemq.memory.UsageManager

useExternalMessageReferences

boolean

The <multicastNetworkConnector> Element

A network connector which uses some kind of multicast-like transport that communicates with potentially many remote brokers over a single logical {@link Transport} instance such as when using multicast. This implementation does not depend on multicast at all; any other group based transport could be used.

Properties

Property Name

Type

Description

bridge

org.apache.activemq.network.DemandForwardingBridgeSupport

brokerName

java.lang.String

conduitSubscriptions

boolean

connectionFilter

org.apache.activemq.network.ConnectionFilter

decreaseNetworkConsumerPriority

boolean

dispatchAsync

boolean

durableDestinations

java.util.Set

dynamicOnly

boolean

dynamicallyIncludedDestinations

(java.lang.Object)*

excludedDestinations

(java.lang.Object)*

localTransport

org.apache.activemq.transport.Transport

localUri

java.net.URI

name

java.lang.String

networkTTL

int

password

java.lang.String

prefetchSize

int

remoteTransport

org.apache.activemq.transport.Transport

Sets the remote transport implementation

remoteURI

java.net.URI

Sets the remote transport URI to some group transport like multicast://address:port

staticallyIncludedDestinations

(java.lang.Object)*

userName

java.lang.String

The <networkConnector> Element

A network connector which uses a discovery agent to detect the remote brokers available and setup a connection to each available remote broker

Properties

Property Name

Type

Description

brokerName

java.lang.String

conduitSubscriptions

boolean

connectionFilter

org.apache.activemq.network.ConnectionFilter

decreaseNetworkConsumerPriority

boolean

discoveryAgent

org.apache.activemq.transport.discovery.DiscoveryAgent

discoveryURI

java.net.URI

dispatchAsync

boolean

durableDestinations

java.util.Set

dynamicOnly

boolean

dynamicallyIncludedDestinations

(java.lang.Object)*

excludedDestinations

(java.lang.Object)*

failover

boolean

localUri

java.net.URI

name

java.lang.String

networkTTL

int

password

java.lang.String

prefetchSize

int

staticallyIncludedDestinations

(java.lang.Object)*

uri

java.net.URI

userName

java.lang.String

The <noSubscriptionRecoveryPolicy> Element

This is the default Topic recovery policy which does not recover any messages.

The <oldestMessageEvictionStrategy> Element

An eviction strategy which evicts the oldest message first (which is the default).

Properties

Property Name

Type

Description

evictExpiredMessagesHighWatermark

int

Sets the high water mark on which we will eagerly evict expired messages from RAM

The <oldestMessageWithLowestPriorityEvictionStrategy> Element

An eviction strategy which evicts the oldest message with the lowest priority first.

Properties

Property Name

Type

Description

evictExpiredMessagesHighWatermark

int

Sets the high water mark on which we will eagerly evict expired messages from RAM

The <oracleJDBCAdapter> Element

Implements all the default JDBC operations that are used by the JDBCPersistenceAdapter.

Subclassing is encouraged to override the default implementation of methods to account for differences in JDBC Driver implementations.

The JDBCAdapter inserts and extracts BLOB data using the getBytes()/setBytes() operations.

The databases/JDBC drivers that use this adapter are:

Properties

Property Name

Type

Description

batchStatments

boolean

statements

org.apache.activemq.store.jdbc.Statements

useExternalMessageReferences

boolean

The <outboundQueueBridge> Element

Create an Outbound Queue Bridge

Properties

Property Name

Type

Description

consumer

javax.jms.MessageConsumer

consumerConnection

javax.jms.QueueConnection

consumerQueue

javax.jms.Queue

doHandleReplyTo

boolean

jmsConnector

org.apache.activemq.network.jms.JmsConnector

jmsMessageConvertor

org.apache.activemq.network.jms.JmsMesageConvertor

outboundQueueName

java.lang.String

producerConnection

javax.jms.QueueConnection

producerQueue

javax.jms.Queue

selector

java.lang.String

The <outboundTopicBridge> Element

Create an Outbound Topic Bridge

Properties

Property Name

Type

Description

consumer

javax.jms.MessageConsumer

consumerConnection

javax.jms.TopicConnection

consumerName

java.lang.String

consumerTopic

javax.jms.Topic

doHandleReplyTo

boolean

jmsConnector

org.apache.activemq.network.jms.JmsConnector

jmsMessageConvertor

org.apache.activemq.network.jms.JmsMesageConvertor

outboundTopicName

java.lang.String

producerConnection

javax.jms.TopicConnection

producerTopic

javax.jms.Topic

selector

java.lang.String

The <policyEntry> Element

Represents an entry in a {@link PolicyMap} for assigning policies to a specific destination or a hierarchical wildcard area of destinations.

Properties

Property Name

Type

Description

deadLetterStrategy

org.apache.activemq.broker.region.policy.DeadLetterStrategy

Sets the policy used to determine which dead letter queue destination should be used

destination

org.apache.activemq.command.ActiveMQDestination

dispatchPolicy

org.apache.activemq.broker.region.policy.DispatchPolicy

memoryLimit

long

messageEvictionStrategy

org.apache.activemq.broker.region.policy.MessageEvictionStrategy

Sets the eviction strategy used to decide which message to evict when the slow consumer needs to discard messages

messageGroupHashBucketCount

int

Sets the number of hash buckets to use for the message group functionality. This is only applicable to using message groups to parallelize processing of a queue while preserving order across an individual JMSXGroupID header value. This value sets the number of hash buckets that will be used (i.e. the maximum possible concurrency).

pendingMessageLimitStrategy

org.apache.activemq.broker.region.policy.PendingMessageLimitStrategy

Sets the strategy to calculate the maximum number of messages that are allowed to be pending on consumers (in addition to their prefetch sizes). Once the limit is reached, non-durable topics can then start discarding old messages. This allows us to keep dispatching messages to slow consumers while not blocking fast consumers and discarding the messages oldest first.

queue

java.lang.String

A helper method to set the destination from a configuration file

sendAdvisoryIfNoConsumers

boolean

Sends an advisory message if a non-persistent message is sent and there are no active consumers

subscriptionRecoveryPolicy

org.apache.activemq.broker.region.policy.SubscriptionRecoveryPolicy

topic

java.lang.String

A helper method to set the destination from a configuration file

The <policyMap> Element

Represents a destination based configuration of policies so that individual destinations or wildcard hierarchies of destinations can be configured using different policies.

Properties

Property Name

Type

Description

defaultEntry

org.apache.activemq.broker.region.policy.PolicyEntry

entries

(java.lang.Object)*

A helper method to allow the destination map to be populated from a dependency injection framework such as Spring

policyEntries

(java.lang.Object)*

Sets the individual entries on the policy map

The <prefetchRatePendingMessageLimitStrategy> Element

This PendingMessageLimitStrategy sets the maximum pending message limit value to be a multiplier of the prefetch limit of the subscription.

Properties

Property Name

Type

Description

multiplier

double

Sets the multiplier of the prefetch size which will be used to define the maximum number of pending messages for non-durable topics before messages are discarded.

The <proxyConnector> Element

Properties

Property Name

Type

Description

bind

java.net.URI

localUri

java.net.URI

name

java.lang.String

remote

java.net.URI

server

org.apache.activemq.transport.TransportServer

The <queryBasedSubscriptionRecoveryPolicy> Element

This implementation of {@link SubscriptionRecoveryPolicy} will perform a user specific query mechanism to load any messages they may have missed.

Properties

Property Name

Type

Description

query

org.apache.activemq.broker.region.policy.MessageQuery

Sets the query strategy to load initial messages

The <queue> Element

An ActiveMQ Queue Destination

Properties

Property Name

Type

Description

compositeDestinations

(org.apache.activemq.command.ActiveMQDestination)*

name

java.lang.String

physicalName

java.lang.String

properties

java.util.Properties

Get the properties from this instance for storing in JNDI

The <quickJournalPersistenceAdapter> Element

An implementation of {@link PersistenceAdapter} designed for use with a {@link Journal} and then check pointing asynchronously on a timeout with some other long term persistent storage.

Properties

Property Name

Type

Description

journal

org.apache.activeio.journal.Journal

longTermPersistence

org.apache.activemq.store.PersistenceAdapter

maxCheckpointMessageAddSize

int

maxCheckpointWorkers

int

taskRunnerFactory

org.apache.activemq.thread.TaskRunnerFactory

usageManager

org.apache.activemq.memory.UsageManager

useExternalMessageReferences

boolean

The <rapidPersistenceAdapter> Element

An implementation of {@link PersistenceAdapter} designed for use with a {@link Journal} and then check pointing asynchronously on a timeout with some other long term persistent storage.

Properties

Property Name

Type

Description

journal

org.apache.activeio.journal.Journal

maxCheckpointMessageAddSize

int

maxCheckpointWorkers

int

taskRunnerFactory

org.apache.activemq.thread.TaskRunnerFactory

usageManager

org.apache.activemq.memory.UsageManager

useExternalMessageReferences

boolean

The <roundRobinDispatchPolicy> Element

Simple dispatch policy that sends a message to every subscription that matches the message.

The <sharedDeadLetterStrategy> Element

A default implementation of {@link DeadLetterStrategy} which uses a constant destination.

Properties

Property Name

Type

Description

deadLetterQueue

org.apache.activemq.command.ActiveMQDestination

The <simpleAuthenticationPlugin> Element

Provides a simple authentication plugin configured with a map of user-passwords and a map of user-groups

Properties

Property Name

Type

Description

userGroups

java.util.Map

Sets the groups a user is in. The key is the user name and the value is a Set of groups

userPasswords

java.util.Map

Sets the map indexed by user name with the value the password

The <simpleAuthorizationMap> Element

An AuthorizationMap which is configured with individual DestinationMaps for each operation.

Properties

Property Name

Type

Description

adminACLs

org.apache.activemq.filter.DestinationMap

readACLs

org.apache.activemq.filter.DestinationMap

writeACLs

org.apache.activemq.filter.DestinationMap

The <simpleDispatchPolicy> Element

Simple dispatch policy that sends a message to every subscription that matches the message.

The <simpleJmsMessageConvertor> Element

Converts Message from one JMS to another

Properties

Property Name

Type

Description

connection

javax.jms.Connection

The <statements> Element

Properties

Property Name

Type

Description

addMessageStatement

java.lang.String

binaryDataType

java.lang.String

containerNameDataType

java.lang.String

createDurableSubStatement

java.lang.String

createSchemaStatements

(java.lang.String)*

deleteOldMessagesStatement

java.lang.String

deleteSubscriptionStatement

java.lang.String

dropSchemaStatements

(java.lang.String)*

durableSubAcksTableName

java.lang.String

findAllDestinationsStatement

java.lang.String

findAllDurableSubMessagesStatement

java.lang.String

findAllDurableSubsStatement

java.lang.String

findAllMessagesStatement

java.lang.String

findDurableSubStatement

java.lang.String

findLastSequenceIdInAcksStatement

java.lang.String

findLastSequenceIdInMsgsStatement

java.lang.String

findMessageSequenceIdStatement

java.lang.String

findMessageStatement

java.lang.String

lockCreateStatement

java.lang.String

lockTableName

java.lang.String

lockUpdateStatement

java.lang.String

longDataType

java.lang.String

messageTableName

java.lang.String

msgIdDataType

java.lang.String

removeAllMessagesStatement

java.lang.String

removeAllSubscriptionsStatement

java.lang.String

removeMessageStatment

java.lang.String

sequenceDataType

java.lang.String

stringIdDataType

java.lang.String

tablePrefix

java.lang.String

updateLastAckOfDurableSubStatement

java.lang.String

updateMessageStatement

java.lang.String

useExternalMessageReferences

boolean

useLockCreateWhereClause

boolean

The <streamJDBCAdapter> Element

This JDBCAdapter inserts and extracts BLOB data using the setBinaryStream()/getBinaryStream() operations. The databases/JDBC drivers that use this adapter are:

  • Axion

Properties

Property Name

Type

Description

batchStatments

boolean

statements

org.apache.activemq.store.jdbc.Statements

useExternalMessageReferences

boolean

The <strictOrderDispatchPolicy> Element

Dispatch policy that causes every subscription to see messages in the same order.

The <timedSubscriptionRecoveryPolicy> Element

This implementation of {@link SubscriptionRecoveryPolicy} will keep a timed buffer of messages around in memory and use that to recover new subscriptions.

Properties

Property Name

Type

Description

recoverDuration

long

The <topic> Element

An ActiveMQ Topic Destination

Properties

Property Name

Type

Description

compositeDestinations

(org.apache.activemq.command.ActiveMQDestination)*

name

java.lang.String

physicalName

java.lang.String

properties

java.util.Properties

Get the properties from this instance for storing in JNDI

The <transportConnector> Element

Properties

Property Name

Type

Description

broker

org.apache.activemq.broker.Broker

brokerInfo

org.apache.activemq.command.BrokerInfo

brokerName

java.lang.String

connectUri

java.net.URI

disableAsyncDispatch

boolean

discoveryAgent

org.apache.activemq.transport.discovery.DiscoveryAgent

discoveryUri

java.net.URI

messageAuthorizationPolicy

org.apache.activemq.security.MessageAuthorizationPolicy

Sets the policy used to decide if the current connection is authorized to consume a given message

name

java.lang.String

server

org.apache.activemq.transport.TransportServer

taskRunnerFactory

org.apache.activemq.thread.TaskRunnerFactory

uri

java.net.URI

Sets the server transport URI to use if there is not a {@link TransportServer} configured via the {@link #setServer(TransportServer)} method. This value is used to lazy create a {@link TransportServer} instance

The <usageManager> Element

Used to keep track of how much of something is being used so that a productive working set usage can be controlled. Main use case is manage memory usage.

Properties

Property Name

Type

Description

limit

long

Sets the memory limit in bytes

limitKb

long

Sets the memory limit in kilobytes

limitMb

long

Sets the memory limit in megabytes

parent

org.apache.activemq.memory.UsageManager

percentUsage

int

percentUsageMinDelta

int

Sets the minimum number of percentage points the usage has to change before a UsageListener event is fired by the manager.

The <virtualDestinationInterceptor> Element

Implements Virtual Topics.

Properties

Property Name

Type

Description

virtualDestinations

(org.apache.activemq.broker.region.virtual.VirtualDestination)*

The <virtualTopic> Element

Creates Virtual Topics using a prefix and postfix. The virtual destination creates a wildcard that is then used to look up all active queue subscriptions which match.

Properties

Property Name

Type

Description

name

java.lang.String

postfix

java.lang.String

Sets any postix used to identify the queue consumers

prefix

java.lang.String

Sets the prefix wildcard used to identify the queue consumers for a given topic

Element Index

<authorizationEntry>

Represents an entry in a {@link DefaultAuthorizationMap} for assigning different operations (read, write, admin) of user roles to a specific destination or a hierarchical wildcard area of destinations.

<authorizationMap>

Represents a destination based configuration of policies so that individual destinations or wildcard hierarchies of destinations can be configured using different policies. Each entry in the map represents the authorization ACLs for each operation.

<authorizationPlugin>

An authorization plugin where each operation on a destination is checked against an authorizationMap

<axionJDBCAdapter>

Axion specific Adapter. Axion does not seem to support ALTER statements or sub-selects. This means: - We cannot auto upgrade the schema was we roll out new versions of ActiveMQ - We cannot delete durable sub messages that have be acknowledged by all consumers.

<blobJDBCAdapter>

This JDBCAdapter inserts and extracts BLOB data using the getBlob()/setBlob() operations. This is a little more involved since to insert a blob you have to: 1: insert empty blob. 2: select the blob 3: finally update the blob with data value. The databases/JDBC drivers that use this adapter are:

<broker>

An ActiveMQ Message Broker which consists of a number of transport connectors, network connectors and a persistence adaptor

<bytesJDBCAdapter>

This JDBCAdapter inserts and extracts BLOB data using the setBytes()/getBytes() operations. The databases/JDBC drivers that use this adapter are:

<compositeDemandForwardingBridge>

A demand forwarding bridge which works with multicast style transports where a single Transport could be communicating with multiple remote brokers

<compositeQueue>

Represents a virtual queue which forwards to a number of other destinations.

<compositeTopic>

Represents a virtual topic which forwards to a number of other destinations.

<connectionDotFilePlugin>

A DOT file creator plugin which creates a DOT file showing the current connections

<constantPendingMessageLimitStrategy>

This PendingMessageLimitStrategy is configured to a constant value for all subscriptions.

<db2JDBCAdapter>

<defaultJDBCAdapter>

Implements all the default JDBC operations that are used by the JDBCPersistenceAdapter.

sub-classing is encouraged to override the default implementation of methods to account for differences in JDBC Driver implementations.

The JDBCAdapter inserts and extracts BLOB data using the getBytes()/setBytes() operations.

The databases/JDBC drivers that use this adapter are:

<demandForwardingBridge>

Forwards messages from the local broker to the remote broker based on demand.

<destinationDotFilePlugin>

A DOT file creator plugin which creates a DOT file showing the current topic & queue hierarchies.

<destinationEntry>

A default entry in a DestinationMap which holds a single value.

<fixedCountSubscriptionRecoveryPolicy>

This implementation of {@link SubscriptionRecoveryPolicy} will only keep the last message.

<fixedSizedSubscriptionRecoveryPolicy>

This implementation of {@link SubscriptionRecoveryPolicy} will keep a fixed amount of memory available in RAM for message history which is evicted in time order.

<forwardingBridge>

Forwards all messages from the local broker to the remote broker.

<imageBasedJDBCAdaptor>

Provides JDBCAdapter since that uses IMAGE datatype to hold binary data. The databases/JDBC drivers that use this adapter are:

  • Sybase
  • MS SQL

<inboundQueueBridge>

Create an Inbound Queue Bridge

<inboundTopicBridge>

Create an Inbound Topic Bridge

<individualDeadLetterStrategy>

A {@link DeadLetterStrategy} where each destination has its own individual DLQ using the subject naming hierarchy.

<informixJDBCAdapter>

JDBC Adapter for Informix database. Because Informix database restricts length of composite primary keys, length of container name field and subscription id field must be reduced to 150 characters. Therefore be sure not to use longer names for container name and subscription id than 150 characters.

<jaasAuthenticationPlugin>

Provides a JAAS based authentication plugin

<jdbcPersistenceAdapter>

A {@link PersistenceAdapter} implementation using JDBC for persistence storage. This persistence adapter will correctly remember prepared XA transactions, but it will not keep track of local transaction commits so that operations performed against the Message store are done as a single uow.

<jmsQueueConnector>

A Bridge to other JMS Queue providers

<jmsTopicConnector>

A Bridge to other JMS Topic providers

<journalPersistenceAdapter>

An implementation of {@link PersistenceAdapter} designed for use with a {@link Journal} and then check pointing asynchronously on a timeout with some other long term persistent storage.

<journaledJDBC>

Creates a default persistence model using the Journal and JDBC

<kahaPersistenceAdapter>

<lastImageSubscriptionRecoveryPolicy>

This implementation of {@link SubscriptionRecoveryPolicy} will only keep the last message.

<loggingBrokerPlugin>

A simple Broker interceptor which allows you to enable/disable logging.

<managementContext>

A Flow provides different dispatch policies within the NMR

<memoryPersistenceAdapter>

<multicastNetworkConnector>

A network connector which uses some kind of multicast-like transport that communicates with potentially many remote brokers over a single logical {@link Transport} instance such as when using multicast. This implementation does not depend on multicast at all; any other group based transport could be used.

<networkConnector>

A network connector which uses a discovery agent to detect the remote brokers available and setup a connection to each available remote broker

<noSubscriptionRecoveryPolicy>

This is the default Topic recovery policy which does not recover any messages.

<oldestMessageEvictionStrategy>

An eviction strategy which evicts the oldest message first (which is the default).

<oldestMessageWithLowestPriorityEvictionStrategy>

An eviction strategy which evicts the oldest message with the lowest priority first.

<oracleJDBCAdapter>

Implements all the default JDBC operations that are used by the JDBCPersistenceAdapter.

Subclassing is encouraged to override the default implementation of methods to account for differences in JDBC Driver implementations.

The JDBCAdapter inserts and extracts BLOB data using the getBytes()/setBytes() operations.

The databases/JDBC drivers that use this adapter are:

<outboundQueueBridge>

Create an Outbound Queue Bridge

<outboundTopicBridge>

Create an Outbound Topic Bridge

<policyEntry>

Represents an entry in a {@link PolicyMap} for assigning policies to a specific destination or a hierarchical wildcard area of destinations.

<policyMap>

Represents a destination based configuration of policies so that individual destinations or wildcard hierarchies of destinations can be configured using different policies.

<prefetchRatePendingMessageLimitStrategy>

This PendingMessageLimitStrategy sets the maximum pending message limit value to be a multiplier of the prefetch limit of the subscription.

<proxyConnector>

<queryBasedSubscriptionRecoveryPolicy>

This implementation of {@link SubscriptionRecoveryPolicy} will perform a user specific query mechanism to load any messages they may have missed.

<queue>

An ActiveMQ Queue Destination

<quickJournalPersistenceAdapter>

An implementation of {@link PersistenceAdapter} designed for use with a {@link Journal} and then check pointing asynchronously on a timeout with some other long term persistent storage.

<rapidPersistenceAdapter>

An implementation of {@link PersistenceAdapter} designed for use with a {@link Journal} and then check pointing asynchronously on a timeout with some other long term persistent storage.

<roundRobinDispatchPolicy>

Simple dispatch policy that sends a message to every subscription that matches the message.

<sharedDeadLetterStrategy>

A default implementation of {@link DeadLetterStrategy} which uses a constant destination.

<simpleAuthenticationPlugin>

Provides a simple authentication plugin configured with a map of user-passwords and a map of user-groups

<simpleAuthorizationMap>

An AuthorizationMap which is configured with individual DestinationMaps for each operation.

<simpleDispatchPolicy>

Simple dispatch policy that sends a message to every subscription that matches the message.

<simpleJmsMessageConvertor>

Converts Message from one JMS to another

<statements>

<streamJDBCAdapter>

This JDBCAdapter inserts and extracts BLOB data using the setBinaryStream()/getBinaryStream() operations. The databases/JDBC drivers that use this adapter are:

  • Axion

<strictOrderDispatchPolicy>

Dispatch policy that causes every subscription to see messages in the same order.

<timedSubscriptionRecoveryPolicy>

This implementation of {@link SubscriptionRecoveryPolicy} will keep a timed buffer of messages around in memory and use that to recover new subscriptions.

<topic>

An ActiveMQ Topic Destination

<transportConnector>

<usageManager>

Used to keep track of how much of something is being used so that a productive working set usage can be controlled. Main use case is manage memory usage.

<virtualDestinationInterceptor>

Implements Virtual Topics.

<virtualTopic>

Creates Virtual Topics using a prefix and postfix. The virtual destination creates a wildcard that is then used to look up all active queue subscriptions which match.

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