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Code Issues Wiki Activity

[228353] Asynchronously initialize the remote edit project

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This commit is contained in:
Martin Oberhuber 2008-05-06 19:41:31 +00:00
parent 7322cfb231
commit bda7058954
1 changed files with 61 additions and 33 deletions
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48
rse/plugins/org.eclipse.rse.files.ui/src/org/eclipse/rse/internal/files/ui/Activator.java
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@ -15,12 +15,18 @@
* Martin Oberhuber (Wind River) - [180519][api] declaratively register adapter factories
* David McKnight (IBM) - [205820] create the temp files project (if not there) when files.ui is loaded
* David McKnight (IBM) - [216252] [api][nls] Resource Strings specific to subsystems should be moved from rse.ui into files.ui / shells.ui / processes.ui where possible
* Martin Oberhuber (Wind River) - [228353] Asynchronously initialize the remote edit project
*******************************************************************************/
package org.eclipse.rse.internal.files.ui;
import org.eclipse.core.resources.IResourceChangeEvent;
import org.eclipse.core.resources.IWorkspace;
import org.eclipse.core.resources.ResourcesPlugin;
import org.eclipse.core.runtime.IProgressMonitor;
import org.eclipse.core.runtime.IStatus;
import org.eclipse.core.runtime.Status;
import org.eclipse.core.runtime.jobs.Job;
import org.eclipse.jface.preference.IPreferenceStore;
import org.eclipse.jface.resource.ImageDescriptor;
import org.eclipse.rse.files.ui.resources.SystemUniversalTempFileListener;
@ -28,7 +34,6 @@ import org.eclipse.rse.internal.files.ui.propertypages.SystemCachePreferencePage
import org.eclipse.rse.internal.files.ui.propertypages.UniversalPreferencePage;
import org.eclipse.rse.internal.files.ui.resources.SystemRemoteEditManager;
import org.eclipse.rse.ui.RSEUIPlugin;
import org.eclipse.rse.ui.SystemBasePlugin;
import org.eclipse.ui.plugin.AbstractUIPlugin;
import org.osgi.framework.BundleContext;
@ -54,13 +59,12 @@ public class Activator extends AbstractUIPlugin
plugin = this;
}
/**
* This method is called upon plug-in activation
*/
public void start(BundleContext context) throws Exception {
super.start(context);
private class InitRemoteEditJob extends Job {
public InitRemoteEditJob() {
super("InitRemoteEditJob"); //$NON-NLS-1$
}
protected IStatus run(IProgressMonitor monitor) {
// create the temp files project if it doesn't exist
// fix for bug 205820
SystemRemoteEditManager.getInstance().getRemoteEditProject();
@ -73,15 +77,36 @@ public class Activator extends AbstractUIPlugin
_tempFileListener = SystemUniversalTempFileListener.getListener();
// add listener for temp files
int eventMask = IResourceChangeEvent.POST_CHANGE;
IWorkspace ws = SystemBasePlugin.getWorkspace();
IWorkspace ws = ResourcesPlugin.getWorkspace();
ws.addResourceChangeListener(_tempFileListener, eventMask);
return Status.OK_STATUS;
}
}
/**
* This method is called upon plug-in activation
*/
public void start(BundleContext context) throws Exception {
super.start(context);
// DKM - workaround for issue in 175295
// I had tried SystemFilePreferenceInitializer but it was not being started by the platform because
// the preference store is rse.ui. In order to fix that, we'd have to migrate the
// preferences for files to the files.ui preference store.
// Instead calling this directly at startup.
initializeDefaultRSEPreferences();
//Bug 228353: Initialize remote edit project in a Job
//The Job must run AFTER initializeDefaultRSEPreferences(), because that one
//needs some classes loaded, and the class loader could fall into a deadlock
//when the deferred Job also wants to load some classes but cannot continue
//because the start() method is not yet finished
InitRemoteEditJob job = new InitRemoteEditJob();
job.setRule(ResourcesPlugin.getWorkspace().getRoot());
job.schedule();
}
/**
@ -89,6 +114,8 @@ public class Activator extends AbstractUIPlugin
*/
public void initializeDefaultRSEPreferences()
{
//FIXME This should really be migrated into a Preferences Initializer Extension
//in order to avoid unnecessary plugin activation
IPreferenceStore store = RSEUIPlugin.getDefault().getPreferenceStore();
SystemCachePreferencePage.initDefaults(store);
UniversalPreferencePage.initDefaults(store);
@ -100,10 +127,11 @@ public class Activator extends AbstractUIPlugin
public void stop(BundleContext context) throws Exception
{
super.stop(context);
IWorkspace ws = SystemBasePlugin.getWorkspace();
if (_tempFileListener != null) {
IWorkspace ws = ResourcesPlugin.getWorkspace();
ws.removeResourceChangeListener(_tempFileListener);
_tempFileListener = null;
}
plugin = null;
}