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, HttpBuffers, JAASLoginService, MappedLoginService, MBeanContainer, NCSARequestLog, OverlayedAppProvider, PolicyMonitor, PropertyUserStore, QueuedThreadPool, Scanner, ScanningAppProvider, SelectorManager, SpnegoLoginService, SslContextFactory, WebAppDeployer

public abstract class AbstractLifeCycle
extends Object
implements LifeCycle

Basic implementation of the life cycle interface for components.

Nested Class Summary

static class

AbstractLifeCycle.AbstractLifeCycleListener

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

LifeCycle.Listener

Field Summary

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

AbstractLifeCycle()

Method Summary

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)