ServiceSupport (ActiveMQ 5.17.0 API)

java.lang.Object
- org.apache.activemq.util.ServiceSupport

All Implemented Interfaces:

Service

Direct Known Subclasses:

AbstractLocker, InMemoryJobSchedulerStore, JobSchedulerImpl, LockableServiceSupport, MessageDatabase, MQTTPacketIdGenerator, PListStoreImpl, Scheduler, TransportServerSupport, TransportSupport
```
public abstract class ServiceSupport
extends Object
implements Service
```
A helper class for working with services together with a useful base class for service implementations.

Constructor Summary

Constructors
Constructor Description

ServiceSupport()

Method Summary

All Methods Static Methods Instance Methods Abstract Methods Concrete Methods
Modifier and Type	Method	Description
`void`	`addServiceListener(ServiceListener l)`
`static void`	`dispose(Service service)`
`protected abstract void`	`doStart()`
`protected abstract void`	`doStop(ServiceStopper stopper)`
`boolean`	`isStarted()`
`boolean`	`isStopped()`
`boolean`	`isStopping()`
`protected void`	`postStop(ServiceStopper stopper)`	handle for various operations after stopping the service (like locking)
`protected void`	`preStart()`	handle for various operations before starting the service (like locking)
`void`	`removeServiceListener(ServiceListener l)`
`void`	`start()`
`void`	`stop()`

Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail
- ServiceSupport
```
public ServiceSupport()
```

Method Detail

dispose

public static void dispose(Service service)

start
```
public void start()
           throws Exception
```
Specified by:

start in interface Service

Throws:

Exception

stop
```
public void stop()
          throws Exception
```
Specified by:

stop in interface Service

Throws:

Exception

isStarted
```
public boolean isStarted()
```
Returns:

true if this service has been started

isStopping
```
public boolean isStopping()
```
Returns:

true if this service is in the process of closing

isStopped
```
public boolean isStopped()
```
Returns:

true if this service is closed

addServiceListener

public void addServiceListener(ServiceListener l)

removeServiceListener

public void removeServiceListener(ServiceListener l)

postStop
```
protected void postStop(ServiceStopper stopper)
                 throws Exception
```
handle for various operations after stopping the service (like locking)

Throws:

Exception

doStop

protected abstract void doStop(ServiceStopper stopper)
                        throws Exception

Throws:: Exception

preStart
```
protected void preStart()
                 throws Exception
```
handle for various operations before starting the service (like locking)

Throws:

Exception

doStart

protected abstract void doStart()
                         throws Exception

Throws:: Exception