Java Doc for WorkspaceModifyOperation.java in  » IDE-Eclipse » ui-ide » org » eclipse » ui » actions » Java Source Code / Java DocumentationJava Source Code and Java Documentation

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Java Source Code / Java Documentation » IDE Eclipse » ui ide » org.eclipse.ui.actions 
Source Cross Reference  Class Diagram Java Document (Java Doc) 


java.lang.Object
   org.eclipse.ui.actions.WorkspaceModifyOperation

All known Subclasses:   org.eclipse.ui.wizards.datatransfer.ImportOperation,  org.eclipse.ui.actions.WorkspaceModifyDelegatingOperation,
WorkspaceModifyOperation
abstract public class WorkspaceModifyOperation implements IRunnableWithProgress,IThreadListener(Code)
An operation which potentially makes changes to the workspace. All resource modification should be performed using this operation. The primary consequence of using this operation is that events which typically occur as a result of workspace changes (such as the firing of resource deltas, performance of autobuilds, etc.) are generally deferred until the outermost operation has successfully completed. The platform may still decide to broadcast periodic resource change notifications during the scope of the operation if the operation runs for a long time or another thread modifies the workspace concurrently.

If a scheduling rule is provided, the operation will obtain that scheduling rule for the duration of its execute method. If no scheduling rule is provided, the operation will obtain a scheduling rule that locks the entire workspace for the duration of the operation.

Subclasses must implement execute to do the work of the operation.


See Also:   ISchedulingRule
See Also:   org.eclipse.core.resources.IWorkspace.run(IWorkspaceRunnableIProgressMonitor)



Constructor Summary
protected  WorkspaceModifyOperation()
     Creates a new operation.
protected  WorkspaceModifyOperation(ISchedulingRule rule)
     Creates a new operation that will run using the provided scheduling rule.

Method Summary
abstract protected  voidexecute(IProgressMonitor monitor)
     Performs the steps that are to be treated as a single logical workspace change.

Subclasses must implement this method.


Parameters:
  monitor - the progress monitor to use to display progress and fielduser requests to cancel
exception:
  CoreException - if the operation fails due to a CoreException
exception:
  InvocationTargetException - if the operation fails due to an exception other than CoreException
exception:
  InterruptedException - if the operation detects a request to cancel, using IProgressMonitor.isCanceled(), it should exit by throwing InterruptedException.
final public synchronized  voidrun(IProgressMonitor monitor)
     The WorkspaceModifyOperation implementation of this IRunnableWithProgress method initiates a batch of changes by invoking the execute method as a workspace runnable (IWorkspaceRunnable).
public  voidthreadChange(Thread thread)
    


Constructor Detail
WorkspaceModifyOperation
protected WorkspaceModifyOperation()(Code)
Creates a new operation.



WorkspaceModifyOperation
protected WorkspaceModifyOperation(ISchedulingRule rule)(Code)
Creates a new operation that will run using the provided scheduling rule.
Parameters:
  rule - The ISchedulingRule to use or null.
since:
   3.0




Method Detail
execute
abstract protected void execute(IProgressMonitor monitor) throws CoreException, InvocationTargetException, InterruptedException(Code)
Performs the steps that are to be treated as a single logical workspace change.

Subclasses must implement this method.


Parameters:
  monitor - the progress monitor to use to display progress and fielduser requests to cancel
exception:
  CoreException - if the operation fails due to a CoreException
exception:
  InvocationTargetException - if the operation fails due to an exception other than CoreException
exception:
  InterruptedException - if the operation detects a request to cancel, using IProgressMonitor.isCanceled(), it should exit by throwing InterruptedException. It is also possible to throw OperationCanceledException, which gets mapped to InterruptedExceptionby the run method.



run
final public synchronized void run(IProgressMonitor monitor) throws InvocationTargetException, InterruptedException(Code)
The WorkspaceModifyOperation implementation of this IRunnableWithProgress method initiates a batch of changes by invoking the execute method as a workspace runnable (IWorkspaceRunnable).



threadChange
public void threadChange(Thread thread)(Code)



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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