/*******************************************************************************
* Copyright (c) 2010 Wind River Systems, Inc. and others.
* All rights reserved. This program and the accompanying materials
* are made available under the terms of the Eclipse Public License v1.0
* which accompanies this distribution, and is available at
* http://www.eclipse.org/legal/epl-v10.html
*
* Contributors:
* Wind River Systems - initial API and implementation
*******************************************************************************/
package org.eclipse.cdt.dsf.debug.internal.ui.disassembly;
import java.math.BigInteger;
import org.eclipse.cdt.dsf.debug.internal.ui.disassembly.model.SourceFileInfo;
import org.eclipse.core.resources.IFile;
import org.eclipse.core.resources.IFileState;
import org.eclipse.core.runtime.Assert;
import org.eclipse.core.runtime.CoreException;
import org.eclipse.core.runtime.IProgressMonitor;
import org.eclipse.core.runtime.IStatus;
import org.eclipse.core.runtime.Status;
import org.eclipse.core.runtime.SubProgressMonitor;
import org.eclipse.core.runtime.jobs.Job;
import static org.eclipse.cdt.debug.internal.ui.disassembly.dsf.DisassemblyUtils.internalError;
/**
* A job to find a suitable edition from the local history
* based on a file and the timestamp of the code module.
*/
class EditionFinderJob extends Job {
private final IFile fFile;
private final BigInteger fAddress;
private final DisassemblyPart fDisassemblyPart;
private final SourceFileInfo fSourceInfo;
/**
* Create a new edition finder for a file resource and address.
*
* @param sourceInfo the file info containing the file resource for which to find an edition
* @param address address inside the module
* @param disassemblyPart the disassembly part where this job originated from
*/
public EditionFinderJob(SourceFileInfo sourceInfo, BigInteger address, DisassemblyPart disassemblyPart) {
super(DisassemblyMessages.EditionFinderJob_name);
Assert.isNotNull(sourceInfo);
Assert.isLegal(sourceInfo.fFile instanceof IFile);
fSourceInfo= sourceInfo;
fFile = (IFile)sourceInfo.fFile;
fAddress = address;
fDisassemblyPart= disassemblyPart;
setRule(fFile);
setSystem(true);
sourceInfo.fEditionJob= this;
}
/*
* @see org.eclipse.core.runtime.jobs.Job#run(org.eclipse.core.runtime.IProgressMonitor)
*/
@Override
protected IStatus run(IProgressMonitor monitor) {
monitor.beginTask(DisassemblyMessages.EditionFinderJob_name, 2);
monitor.subTask(DisassemblyMessages.EditionFinderJob_task_get_timestamp);
long moduleTime;
Object token = fDisassemblyPart.retrieveModuleTimestamp(fAddress);
if (token != null && !(token instanceof Long) && !monitor.isCanceled()) {
try {
synchronized (token) {
token.wait(1000);
}
} catch (InterruptedException e) {
internalError(e);
}
token = fDisassemblyPart.retrieveModuleTimestamp(fAddress);
}
monitor.worked(1);
if (token instanceof Long && !monitor.isCanceled()) {
moduleTime = ((Long)token).longValue();
long buildTime = moduleTime * 1000;
if (fFile.getLocalTimeStamp() > buildTime) {
monitor.subTask(DisassemblyMessages.EditionFinderJob_task_search_history);
// get history - recent states first
IFileState[] states;
try {
states = fFile.getHistory(new SubProgressMonitor(monitor, 1));
} catch (CoreException e) {
states = new IFileState[0];
}
for (int i = 0; i < states.length; i++) {
IFileState state = states[i];
long saveTime = state.getModificationTime();
if (saveTime <= buildTime) {
fSourceInfo.fEdition = state;
break;
}
}
}
}
fSourceInfo.fEditionJob = null;
monitor.worked(1);
monitor.done();
return Status.OK_STATUS;
}
}