/*******************************************************************************
* Copyright © 2000, 2013 IBM Corporation 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:
* IBM Corporation - initial API and implementation
*
*******************************************************************************/
package org.eclipse.edt.ide.core.internal.model.indexing;
import java.io.IOException;
import java.util.HashSet;
import org.eclipse.core.resources.IFile;
import org.eclipse.core.resources.IProject;
import org.eclipse.core.resources.IResource;
import org.eclipse.core.resources.IResourceProxy;
import org.eclipse.core.resources.IResourceProxyVisitor;
import org.eclipse.core.resources.IWorkspaceRoot;
import org.eclipse.core.runtime.CoreException;
import org.eclipse.core.runtime.IPath;
import org.eclipse.core.runtime.IProgressMonitor;
import org.eclipse.edt.ide.core.internal.model.EGLPathEntry;
import org.eclipse.edt.ide.core.internal.model.Util;
import org.eclipse.edt.ide.core.internal.model.index.IIndex;
import org.eclipse.edt.ide.core.internal.model.index.IQueryResult;
import org.eclipse.edt.ide.core.internal.model.index.impl.IFileDocument;
import org.eclipse.edt.ide.core.model.EGLCore;
import org.eclipse.edt.ide.core.model.IEGLPathEntry;
import org.eclipse.edt.ide.core.model.IEGLProject;
import org.eclipse.edt.ide.core.internal.model.search.processing.JobManager;
import org.eclipse.edt.ide.core.internal.model.util.SimpleLookupTable;
public class IndexAllProject extends IndexRequest {
IProject project;
final boolean forceReIndex;
public IndexAllProject(IProject project, IndexManager manager) {
this( project, manager, false );
}
public IndexAllProject(IProject project, IndexManager manager, boolean forceReIndex) {
super(project.getFullPath(), manager);
this.project = project;
this.forceReIndex = true;
}
public boolean equals(Object o) {
if (o instanceof IndexAllProject)
return this.project.equals(((IndexAllProject) o).project);
return false;
}
/**
* Ensure consistency of a project index. Need to walk all nested resources,
* and discover resources which have either been changed, added or deleted
* since the index was produced.
*/
public boolean execute(IProgressMonitor progressMonitor) {
if (EGLCore.create(project).isReadOnly()){
return true;
}
if (progressMonitor != null && progressMonitor.isCanceled()) return true;
if (!project.isAccessible()) return true; // nothing to do
IIndex index = this.manager.getIndex(this.indexPath, true, /*reuse index file*/ true /*create if none*/);
if (index == null) return true;
EGLReadWriteMonitor monitor = this.manager.getMonitorFor(index);
if (monitor == null) return true; // index got deleted since acquired
try {
monitor.enterRead(); // ask permission to read
saveIfNecessary(index, monitor);
IQueryResult[] results = index.queryInDocumentNames(""); // all file names //$NON-NLS-1$
int max = results == null ? 0 : results.length;
final SimpleLookupTable indexedFileNames = new SimpleLookupTable(max == 0 ? 33 : max + 11);
final String OK = "OK"; //$NON-NLS-1$
final String DELETED = "DELETED"; //$NON-NLS-1$
for (int i = 0; i < max; i++)
indexedFileNames.put(results[i].getPath(), DELETED);
final long indexLastModified = max == 0 ? 0L : index.getIndexFile().lastModified();
IEGLProject eglProject = EGLCore.create(this.project);
IEGLPathEntry[] entries = eglProject.getRawEGLPath();
IWorkspaceRoot root = this.project.getWorkspace().getRoot();
for (int i = 0, length = entries.length; i < length; i++) {
if (this.isCancelled) return false;
IEGLPathEntry entry = entries[i];
if ((entry.getEntryKind() == IEGLPathEntry.CPE_SOURCE)) { // Index only source folders. Libraries are done as a separate job
IResource sourceFolder = root.findMember(entry.getPath());
if (sourceFolder != null) {
// collect output locations if source is project (see http://bugs.eclipse.org/bugs/show_bug.cgi?id=32041)
final HashSet outputs = new HashSet();
if (sourceFolder.getType() == IResource.PROJECT) {
outputs.add(eglProject.getOutputLocation());
for (int j = 0; j < length; j++) {
IPath output = entries[j].getOutputLocation();
if (output != null) {
outputs.add(output);
}
}
}
final boolean hasOutputs = !outputs.isEmpty();
final char[][] patterns = ((EGLPathEntry) entry).fullExclusionPatternChars();
if (max == 0) {
sourceFolder.accept(
new IResourceProxyVisitor() {
public boolean visit(IResourceProxy proxy) {
if (isCancelled) return false;
switch(proxy.getType()) {
case IResource.FILE :
if (Util.isEGLFileName(proxy.getName())) {
IResource resource = proxy.requestResource();
if (resource.getLocation() != null && (patterns == null || !Util.isExcluded(resource, patterns))) {
String name = new IFileDocument((IFile) resource).getName();
indexedFileNames.put(name, resource);
}
}
return false;
case IResource.FOLDER :
if (patterns != null && Util.isExcluded(proxy.requestResource(), patterns))
return false;
if (hasOutputs && outputs.contains(proxy.requestFullPath())) {
return false;
}
}
return true;
}
},
IResource.NONE
);
} else {
sourceFolder.accept(
new IResourceProxyVisitor() {
public boolean visit(IResourceProxy proxy) {
if (isCancelled) return false;
switch(proxy.getType()) {
case IResource.FILE :
if (Util.isEGLFileName(proxy.getName())) {
IResource resource = proxy.requestResource();
IPath path = resource.getLocation();
if (path != null && (patterns == null || !Util.isExcluded(resource, patterns))) {
String name = new IFileDocument((IFile) resource).getName();
indexedFileNames.put(name,
indexedFileNames.get(name) == null || indexLastModified < path.toFile().lastModified() || forceReIndex
? (Object) resource
: (Object) OK);
}
}
return false;
case IResource.FOLDER :
if (patterns != null && Util.isExcluded(proxy.requestResource(), patterns))
return false;
if (hasOutputs && outputs.contains(proxy.requestFullPath())) {
return false;
}
}
return true;
}
},
IResource.NONE
);
}
}
}
}
Object[] names = indexedFileNames.keyTable;
Object[] values = indexedFileNames.valueTable;
boolean shouldSave = false;
for (int i = 0, length = names.length; i < length; i++) {
String name = (String) names[i];
if (name != null) {
if (this.isCancelled) return false;
Object value = values[i];
if (value != OK) {
shouldSave = true;
if (value == DELETED)
this.manager.remove(name, this.indexPath);
else
this.manager.addSource((IFile) value, this.indexPath);
}
}
}
// request to save index when all cus have been indexed
if (shouldSave)
this.manager.request(new SaveIndex(this.indexPath, this.manager));
} catch (CoreException e) {
if (JobManager.VERBOSE) {
JobManager.verbose("-> failed to index " + this.project + " because of the following exception:"); //$NON-NLS-1$ //$NON-NLS-2$
e.printStackTrace();
}
this.manager.removeIndex(this.indexPath);
return false;
} catch (IOException e) {
if (JobManager.VERBOSE) {
JobManager.verbose("-> failed to index " + this.project + " because of the following exception:"); //$NON-NLS-1$ //$NON-NLS-2$
e.printStackTrace();
}
this.manager.removeIndex(this.indexPath);
return false;
} finally {
monitor.exitRead(); // free read lock
}
return true;
}
public int hashCode() {
return this.project.hashCode();
}
protected Integer updatedIndexState() {
return IndexManager.REBUILDING_STATE;
}
public String toString() {
return "indexing project " + this.project.getFullPath(); //$NON-NLS-1$
}
}