Package org.apache.activemq.store.jdbc

Class AbstractJDBCLocker

java.lang.Object

org.apache.activemq.util.ServiceSupport

org.apache.activemq.broker.AbstractLocker

org.apache.activemq.store.jdbc.AbstractJDBCLocker

All Implemented Interfaces:

Locker, Service

Direct Known Subclasses:

DefaultDatabaseLocker, LeaseDatabaseLocker

public abstract class AbstractJDBCLocker
extends AbstractLocker

Field Summary

Fields

Modifier and Type	Field	Description
protected boolean	createTablesOnStartup
protected DataSource	dataSource
protected JDBCPersistenceAdapter	jdbcAdapter
protected int	queryTimeout

Fields inherited from class org.apache.activemq.broker.AbstractLocker

DEFAULT_LOCK_ACQUIRE_SLEEP_INTERVAL, failIfLocked, lockable, lockAcquireSleepInterval, name

Constructor Summary

Constructors

Constructor	Description
AbstractJDBCLocker()

Method Summary

Modifier and Type	Method	Description
protected void	close(Connection connection)
protected void	close(Statement statement)
void	configure(PersistenceAdapter adapter)	Optionally configure the locker with the persistence adapter currently used You can use persistence adapter configuration details like, data directory datasource, etc.
protected Connection	getConnection()
int	getQueryTimeout()
protected Statements	getStatements()
void	preStart()	handle for various operations before starting the service (like locking)
void	setCreateTablesOnStartup(boolean createTablesOnStartup)
void	setDataSource(DataSource dataSource)
void	setQueryTimeout(int queryTimeout)
protected void	setQueryTimeout(Statement statement)
void	setStatements(Statements statements)

Methods inherited from class org.apache.activemq.broker.AbstractLocker

getLockAcquireSleepInterval, keepAlive, setFailIfLocked, setLockable, setLockAcquireSleepInterval, setName

Methods inherited from class org.apache.activemq.util.ServiceSupport

addServiceListener, dispose, doStart, doStop, isStarted, isStopped, isStopping, postStop, removeServiceListener, start, stop

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Methods inherited from interface org.apache.activemq.Service

start, stop

Field Detail

dataSource

protected DataSource dataSource

jdbcAdapter

protected JDBCPersistenceAdapter jdbcAdapter

createTablesOnStartup

protected boolean createTablesOnStartup

queryTimeout

protected int queryTimeout

Constructor Detail

AbstractJDBCLocker

public AbstractJDBCLocker()

Method Detail

configure

public void configure(PersistenceAdapter adapter)
               throws IOException

Description copied from interface: Locker

Optionally configure the locker with the persistence adapter currently used You can use persistence adapter configuration details like, data directory datasource, etc. to be used by the locker

Throws:

IOException

getStatements

protected Statements getStatements()

setDataSource

public void setDataSource(DataSource dataSource)

setStatements

public void setStatements(Statements statements)

setQueryTimeout

protected void setQueryTimeout(Statement statement)
                        throws SQLException

Throws:

SQLException

getQueryTimeout

public int getQueryTimeout()

setQueryTimeout

public void setQueryTimeout(int queryTimeout)

setCreateTablesOnStartup

public void setCreateTablesOnStartup(boolean createTablesOnStartup)

getConnection

protected Connection getConnection()
                            throws SQLException

Throws:

SQLException

close

protected void close(Connection connection)

close

protected void close(Statement statement)

preStart

public void preStart()

Description copied from class: ServiceSupport

handle for various operations before starting the service (like locking)

Overrides:

preStart in class ServiceSupport