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Java Source Code / Java Documentation » J2EE » spring framework 2.0.6 » org.springframework.aop.target.dynamic

Source Cross Reference Class Diagram Java Document (Java Doc)

java.lang .Object

org.springframework.aop.target.dynamic .AbstractRefreshableTargetSource

All known Subclasses:   org.springframework.aop.target.dynamic .BeanFactoryRefreshableTargetSource,
AbstractRefreshableTargetSource
abstract public class AbstractRefreshableTargetSource implements TargetSource,Refreshable(Code)
Abstract org.springframework.aop.TargetSource implementation that wraps a refreshable target object. Subclasses can determine whether a refresh is required, and need to provide fresh target objects.
Implements the Refreshable interface in order to allow for explicit control over the refresh status.
author:
   Rod Johnson
author:
   Rob Harrop
author:
   Juergen Hoeller
since:
   2.0
See Also:   AbstractRefreshableTargetSource.requiresRefresh()
See Also:   AbstractRefreshableTargetSource.freshTarget()

Field Summary
protected Log logger

protected Object targetObject


Method Summary
abstract protected Object freshTarget()
     Obtain a fresh target object.
public long getLastRefreshTime()

public long getRefreshCount()

final public synchronized Object getTarget()

public synchronized Class getTargetClass()

public boolean isStatic()
     Not static.
final public synchronized void refresh()

public void releaseTarget(Object object)
     No need to release target.
protected boolean requiresRefresh()
     Determine whether a refresh is required. Invoked for each refresh check, after the refresh check delay has elapsed.
The default implementation always returns true, triggering a refresh every time the delay has elapsed.
public void setRefreshCheckDelay(long refreshCheckDelay)
     Set the delay between refresh checks, in milliseconds.

Field Detail
logger
protected Log logger(Code)
Logger available to subclasses

targetObject
protected Object targetObject(Code)

Method Detail
freshTarget
abstract protected Object freshTarget()(Code)
Obtain a fresh target object.
Only invoked if a refresh check has found that a refresh is required (that is, AbstractRefreshableTargetSource.requiresRefresh() has returned true). the fresh target object

getLastRefreshTime
public long getLastRefreshTime()(Code)

getRefreshCount
public long getRefreshCount()(Code)

getTarget
final public synchronized Object getTarget()(Code)

getTargetClass
public synchronized Class getTargetClass()(Code)

isStatic
public boolean isStatic()(Code)
Not static.

refresh
final public synchronized void refresh()(Code)

releaseTarget
public void releaseTarget(Object object)(Code)
No need to release target.

requiresRefresh
protected boolean requiresRefresh()(Code)
Determine whether a refresh is required. Invoked for each refresh check, after the refresh check delay has elapsed.
The default implementation always returns true, triggering a refresh every time the delay has elapsed. To be overridden by subclasses with an appropriate check of the underlying target resource. whether a refresh is required

setRefreshCheckDelay
public void setRefreshCheckDelay(long refreshCheckDelay)(Code)
Set the delay between refresh checks, in milliseconds. Default is -1, indicating no refresh checks at all.
Note that an actual refresh will only happen when AbstractRefreshableTargetSource.requiresRefresh() returns true.

Methods inherited from java.lang.Object
native protected Object clone() throws CloneNotSupportedException(Code)(Java Doc)
public boolean equals(Object obj)(Code)(Java Doc)
protected void finalize() throws Throwable(Code)(Java Doc)
final native public Class getClass()(Code)(Java Doc)
native public int hashCode()(Code)(Java Doc)
final native public void notify()(Code)(Java Doc)
final native public void notifyAll()(Code)(Java Doc)
public String toString()(Code)(Java Doc)
final native public void wait(long timeout) throws InterruptedException(Code)(Java Doc)
final public void wait(long timeout, int nanos) throws InterruptedException(Code)(Java Doc)
final public void wait() throws InterruptedException(Code)(Java Doc)

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