Package org.eclipse.e4.ui.di

Class UISynchronize

java.lang.Object

org.eclipse.e4.ui.di.UISynchronize

Direct Known Subclasses:

DisplayUISynchronize

public abstract class UISynchronize
extends Object

Widget toolkit abstract to synchronize back into the UI-Thread from other threads

Since:

1.0

Restriction:

This class is not intended to be subclassed by clients.

Constructor Summary

Constructors

Constructor	Description
UISynchronize()

Method Summary

Modifier and Type	Method	Description
abstract void	asyncExec(Runnable runnable)	Schedules the runnable on the UI-Thread for execution and returns immediately
protected abstract boolean	dispatchEvents()	Request to perform an event dispatch cycle.
protected abstract boolean	isUIThread(Thread thread)	Checks if the given thread is the UI-Thread.
protected abstract void	showBusyWhile(Runnable runnable)	Shows a busy-indicator to the user while this runnable is executed, long running operations in the UI thread may freeze the UI.
abstract void	syncExec(Runnable runnable)	Executes the runnable on the UI-Thread and blocks until the runnable is finished

Methods inherited from class java.lang.Object

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

Constructor Details

UISynchronize

public UISynchronize()

Method Details

syncExec

public abstract void syncExec(Runnable runnable)

Executes the runnable on the UI-Thread and blocks until the runnable is finished

Parameters:

runnable - the runnable to execute

asyncExec

public abstract void asyncExec(Runnable runnable)

Schedules the runnable on the UI-Thread for execution and returns immediately

Parameters:

runnable - the runnable to execute

isUIThread

protected abstract boolean isUIThread(Thread thread)

Checks if the given thread is the UI-Thread.

Parameters:

thread - to check

Returns:

true if the thread is the UI-Thread false otherwise

Since:

1.3

showBusyWhile

protected abstract void showBusyWhile(Runnable runnable)

Shows a busy-indicator to the user while this runnable is executed, long running operations in the UI thread may freeze the UI.

Parameters:

runnable - the runnable to execute

Since:

1.3

dispatchEvents

protected abstract boolean dispatchEvents()

Request to perform an event dispatch cycle.

Returns:

true if there might be more work to perform false otherwise

Since:

1.3