org.eclipse.jetty.util.component

## Class AbstractLifeCycle

- java.lang.Object
- - org.eclipse.jetty.util.component.AbstractLifeCycle

- All Implemented Interfaces:
    LifeCycle
  Direct Known Subclasses:
    AbstractSessionIdManager, AbstractSessionManager, AggregateLifeCycle, ConnectorServer, ContextDeployer, ExecutorThreadPool, Holder, HttpBuffersImpl, JAASLoginService, MappedLoginService, MBeanContainer, NCSARequestLog, PropertyUserStore, QueuedThreadPool, Scanner, ScanningAppProvider, SelectorManager, SpnegoLoginService, SslContextFactory, WebAppDeployer, WebSocketFactory

      public abstract class AbstractLifeCycle
      extends Object
      implements LifeCycle

  Basic implementation of the life cycle interface for components.

- - ### Nested Class Summary

    Nested Classes
    Modifier and Type | Class and Description
    --- | ---
    `static class` | `AbstractLifeCycle.AbstractLifeCycleListener`

    - ### Nested classes/interfaces inherited from interface org.eclipse.jetty.util.component.LifeCycle

      `LifeCycle.Listener`

  - ### Field Summary

    Fields
    Modifier and Type | Field and Description
    --- | ---
    `protected CopyOnWriteArrayList<LifeCycle.Listener>` | `_listeners`
    `static String` | `FAILED`
    `static String` | `RUNNING`
    `static String` | `STARTED`
    `static String` | `STARTING`
    `static String` | `STOPPED`
    `static String` | `STOPPING`

  - ### Constructor Summary

    Constructors
    Constructor and Description
    `AbstractLifeCycle()`

  - ### Method Summary

    Methods
    Modifier and Type | Method and Description
    --- | ---
    `void` | `addLifeCycleListener(LifeCycle.Listener listener)`
    `protected void` | `doStart()`
    `protected void` | `doStop()`
    `String` | `getState()`
    `static String` | `getState(LifeCycle lc)`
    `boolean` | `isFailed()`
    `boolean` | `isRunning()`
    `boolean` | `isStarted()`
    `boolean` | `isStarting()`
    `boolean` | `isStopped()`
    `boolean` | `isStopping()`
    `void` | `removeLifeCycleListener(LifeCycle.Listener listener)`
    `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`

- - ### Field Detail

    - #### STOPPED

          public static final String STOPPED

      See Also:
        Constant Field Values

    - #### FAILED

          public static final String FAILED

      See Also:
        Constant Field Values

    - #### STARTING

          public static final String STARTING

      See Also:
        Constant Field Values

    - #### STARTED

          public static final String STARTED

      See Also:
        Constant Field Values

    - #### STOPPING

          public static final String STOPPING

      See Also:
        Constant Field Values

    - #### RUNNING

          public static final String RUNNING

      See Also:
        Constant Field Values

    - #### _listeners

          protected final CopyOnWriteArrayList<LifeCycle.Listener> _listeners

  - ### 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.

    - #### addLifeCycleListener

          public void addLifeCycleListener(LifeCycle.Listener listener)

      Specified by:
        `addLifeCycleListener` in interface `LifeCycle`

    - #### removeLifeCycleListener

          public void removeLifeCycleListener(LifeCycle.Listener listener)

      Specified by:
        `removeLifeCycleListener` in interface `LifeCycle`

    - #### getState

          public String getState()

    - #### getState

          public static String getState(LifeCycle lc)

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