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Code Issues Wiki Activity

[197025][197167] Improved wait for model complete

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This commit is contained in:
Martin Oberhuber 2007-08-09 10:05:02 +00:00
parent edef50827d
commit ceddc7a49b
1 changed files with 31 additions and 29 deletions
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60
rse/plugins/org.eclipse.rse.efs/src/org/eclipse/rse/internal/efs/RSEFileStoreImpl.java
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@ -20,6 +20,7 @@
* Martin Oberhuber (Wind River) - [186773] split ISystemRegistryUI from ISystemRegistry
* Martin Oberhuber (Wind River) - [188360] renamed from plugin org.eclipse.rse.eclipse.filesystem
* Martin Oberhuber (Wind River) - [191581] clear local IRemoteFile handle cache when modifying remote
* Martin Oberhuber (Wind River) - [197025][197167] Improved wait for model complete
********************************************************************************/
package org.eclipse.rse.internal.efs;
@ -38,6 +39,7 @@ import org.eclipse.core.runtime.IProgressMonitor;
import org.eclipse.core.runtime.IStatus;
import org.eclipse.core.runtime.NullProgressMonitor;
import org.eclipse.core.runtime.Status;
import org.eclipse.core.runtime.jobs.Job;
import org.eclipse.rse.core.RSECorePlugin;
import org.eclipse.rse.core.model.IHost;
import org.eclipse.rse.core.model.ISystemRegistry;
@ -52,6 +54,7 @@ import org.eclipse.rse.subsystems.files.core.subsystems.IRemoteFile;
import org.eclipse.rse.subsystems.files.core.subsystems.IRemoteFileSubSystem;
import org.eclipse.rse.subsystems.files.core.subsystems.IRemoteFileSubSystemConfiguration;
import org.eclipse.rse.subsystems.files.core.subsystems.RemoteFileContext;
import org.eclipse.rse.ui.RSEUIPlugin;
/**
* Implementation of IFileStore for RSE.
@ -65,7 +68,10 @@ public class RSEFileStoreImpl extends FileStore
//cached IRemoteFile object: an Object to avoid early class loading
private transient IRemoteFile _remoteFile;
//markup to know that RSE has been initialized
private static boolean _initialized;
/**
* Constructor to use if the parent file store is known.
* @param parent the parent file store.
@ -106,6 +112,27 @@ public class RSEFileStoreImpl extends FileStore
return _parent.toURI();
}
/**
* Wait for RSE persistence to fully initialize
*/
private static void waitForRSEInit() {
if (!_initialized) {
//Force activating RSEUIPlugin, which kicks off InitRSEJob
RSEUIPlugin.getDefault();
Job[] jobs = Job.getJobManager().find(null);
for (int i=0; i<jobs.length; i++) {
if ("Initialize RSE".equals(jobs[i].getName())) { //$NON-NLS-1$
try {
jobs[i].join();
} catch(InterruptedException e) {
}
break;
}
}
_initialized = true;
}
}
/**
* Return the best RSE connection object matching the given host name.
*
@ -117,38 +144,13 @@ public class RSEFileStoreImpl extends FileStore
if (hostNameOrAddr==null) {
return null;
}
if (!_initialized) {
waitForRSEInit();
}
ISystemRegistry sr = RSECorePlugin.getTheSystemRegistry();
IHost[] connections = sr.getHosts();
//FIXME HACK workaround until we get an API method to know when persistent data is fully restored
//Without this hack, the first time a directory is expanded RSEUIPlugin is activated and it
//is too slow reading persistent data. We wait up to 5 seconds for RSE to initialize.
if (connections.length==0) {
long startTime = System.currentTimeMillis();
long endTime = startTime+5000;
//int iterations=0;
do {
try {
Thread.sleep(500);
//iterations++;
} catch(InterruptedException e) {
break;
}
if (monitor!=null) {
monitor.worked(1);
if (monitor.isCanceled()) {
break;
}
}
connections = sr.getHosts();
} while((connections.length==0 || getConnectionFor(hostNameOrAddr, monitor)==null)
&& System.currentTimeMillis()<endTime);
//System.out.println("Time: "+ (System.currentTimeMillis()-startTime)+", Iterations: "+iterations);
//System.out.println("Dbg Breakpoint");
}
IHost unconnected = null;
for (int i = 0; i < connections.length; i++) {
IHost con = connections[i];