## org.mortbay.component
Class AbstractLifeCycle

    java.lang.Object
      org.mortbay.component.AbstractLifeCycle

All Implemented Interfaces:
  LifeCycle

Direct Known Subclasses:
  AbstractBuffers, AbstractHandler, AbstractSessionManager, BoundedThreadPool, ContextDeployer, HashSessionIdManager, HashUserRealm, Holder, NCSARequestLog, QueuedThreadPool, ResourceCache, SelectorManager, WebAppDeployer, Win32Service

    public abstract class AbstractLifeCycle

extends Object
implements LifeCycle

Basic implementation of the life cycle interface for components.

Author:
  gregw

Constructor Summary
`AbstractLifeCycle()`

Method Summary
`protected void` `doStart()`
`protected void` `doStop()`
`boolean` `isFailed()`
`boolean` `isRunning()`
`boolean` `isStarted()`
`boolean` `isStarting()`
`boolean` `isStopped()`
`boolean` `isStopping()`
`void` `start()` Starts the component.
`void` `stop()` Stops the component.

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

Constructor Detail

### AbstractLifeCycle

    public AbstractLifeCycle()

Method Detail

### doStart

    protected void doStart()
                    throws Exception

  Throws:
    `Exception`

### doStop

    protected void doStop()
                   throws Exception

  Throws:
    `Exception`

### start

    public final void start()
                     throws Exception

  Description copied from interface: `LifeCycle`
  Starts the component.

  Specified by:
    `start` in interface `LifeCycle`
  Throws:
    `Exception` - If the component fails to start
  See Also:
    `LifeCycle.isStarted()`, `LifeCycle.stop()`, `LifeCycle.isFailed()`

### stop

    public final void stop()
                    throws Exception

  Description copied from interface: `LifeCycle`
  Stops the component. The component may wait for current activities to complete normally, but it can be interrupted.

  Specified by:
    `stop` in interface `LifeCycle`
  Throws:
    `Exception` - If the component fails to stop
  See Also:
    `LifeCycle.isStopped()`, `LifeCycle.start()`, `LifeCycle.isFailed()`

### isRunning

    public boolean isRunning()

  Specified by:
    `isRunning` in interface `LifeCycle`
  Returns:
    true if the component is starting or has been started.

### isStarted

    public boolean isStarted()

  Specified by:
    `isStarted` in interface `LifeCycle`
  Returns:
    true if the component has been started.
  See Also:
    `LifeCycle.start()`, `LifeCycle.isStarting()`

### isStarting

    public boolean isStarting()

  Specified by:
    `isStarting` in interface `LifeCycle`
  Returns:
    true if the component is starting.
  See Also:
    `LifeCycle.isStarted()`

### isStopping

    public boolean isStopping()

  Specified by:
    `isStopping` in interface `LifeCycle`
  Returns:
    true if the component is stopping.
  See Also:
    `LifeCycle.isStopped()`

### isStopped

    public boolean isStopped()

  Specified by:
    `isStopped` in interface `LifeCycle`
  Returns:
    true if the component has been stopped.
  See Also:
    `LifeCycle.stop()`, `LifeCycle.isStopping()`

### isFailed

    public boolean isFailed()

  Specified by:
    `isFailed` in interface `LifeCycle`
  Returns:
    true if the component has failed to start or has failed to stop.

Copyright © 2008 Mort Bay Consulting. All Rights Reserved.