Package org.eclipse.jetty.util.component

Class AbstractLifeCycle

java.lang.Object

org.eclipse.jetty.util.component.AbstractLifeCycle

All Implemented Interfaces:

LifeCycle

Direct Known Subclasses:

AbstractLeakPreventer, AcceptRateLimit, BaseHolder, CompressionPool, ConnectionLimit, ConnectionStatistics, ConnectorServer, ConnectorStatistics, ContainerLifeCycle, DebugListener, HouseKeeper, LeakDetector, PathWatcher, PropertyUserStoreManager, RequestLogWriter, ReservedThreadExecutor, Scanner, ScheduledExecutorScheduler, ServletContextHandler.Initializer, Slf4jRequestLogWriter, SpnegoLoginService, SslContextFactory, StopLifeCycle, Sweeper, TimerScheduler, UserStore

@ManagedObject("Abstract Implementation of LifeCycle")
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	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	Description
private final CopyOnWriteArrayList<LifeCycle.Listener>	_listeners
private final Object	_lock
private int	_state
private long	_stopTimeout
static final String	FAILED
private static final Logger	LOG
static final String	RUNNING
static final String	STARTED
static final String	STARTING
private static final int	STATE_FAILED
private static final int	STATE_STARTED
private static final int	STATE_STARTING
private static final int	STATE_STOPPED
private static final int	STATE_STOPPING
static final String	STOPPED
static final String	STOPPING

Constructor Summary

Constructors

Constructor	Description
AbstractLifeCycle()

Method Summary

Modifier and Type	Method	Description
void	addLifeCycleListener(LifeCycle.Listener listener)
protected void	doStart()
protected void	doStop()
String	getState()
static String	getState(LifeCycle lc)
long	getStopTimeout()
boolean	isFailed()
boolean	isRunning()
boolean	isStarted()
boolean	isStarting()
boolean	isStopped()
boolean	isStopping()
void	removeLifeCycleListener(LifeCycle.Listener listener)
private void	setFailed(Throwable th)
private void	setStarted()
private void	setStarting()
private void	setStopped()
private void	setStopping()
void	setStopTimeout(long stopTimeout)
final void	start()	Starts the component.
final void	stop()	Stops the component.
String	toString()

Methods inherited from class java.lang.Object

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

Field Details

LOG

private static final Logger LOG

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

private final CopyOnWriteArrayList<LifeCycle.Listener> _listeners

_lock

private final Object _lock

STATE_FAILED

private static final int STATE_FAILED

See Also:

• Constant Field Values

STATE_STOPPED

private static final int STATE_STOPPED

See Also:

• Constant Field Values

STATE_STARTING

private static final int STATE_STARTING

See Also:

• Constant Field Values

STATE_STARTED

private static final int STATE_STARTED

See Also:

• Constant Field Values

STATE_STOPPING

private static final int STATE_STOPPING

See Also:

• Constant Field Values

_state

private volatile int _state

_stopTimeout

private long _stopTimeout

Constructor Details

AbstractLifeCycle

public AbstractLifeCycle()

Method Details

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

@ManagedAttribute(value="Lifecycle State for this instance",
                  readonly=true)
public String getState()

getState

public static String getState(LifeCycle lc)

setStarted

private void setStarted()

setStarting

private void setStarting()

setStopping

private void setStopping()

setStopped

private void setStopped()

setFailed

private void setFailed(Throwable th)

getStopTimeout

@ManagedAttribute("The stop timeout in milliseconds")
public long getStopTimeout()

setStopTimeout

public void setStopTimeout(long stopTimeout)

toString

public String toString()

Overrides:

toString in class Object