Package com.aspectran.utils.lifecycle

Class AbstractLifeCycle

java.lang.Object

com.aspectran.utils.lifecycle.AbstractLifeCycle

All Implemented Interfaces:

LifeCycle

Direct Known Subclasses:

AbstractTowServer, HouseKeeper, StopLifeCycle

public abstract class AbstractLifeCycle
extends Object
implements LifeCycle

Basic implementation of the life cycle interface for components.

Nested Class Summary

Nested classes/interfaces inherited from interface com.aspectran.utils.lifecycle.LifeCycle

LifeCycle.Listener

Field Summary

Fields inherited from interface com.aspectran.utils.lifecycle.LifeCycle

FAILED, RUNNING, STARTED, STARTING, STOPPED, 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)
boolean	isFailed()
boolean	isRunning()
boolean	isStarted()
boolean	isStarting()
boolean	isStopped()
boolean	isStopping()
void	removeLifeCycleListener(LifeCycle.Listener listener)
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

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

public String getState()

Specified by:

getState in interface LifeCycle

getState

public static String getState(@NonNull
 LifeCycle lc)

toString

public String toString()

Overrides:

toString in class Object