List of usage examples for org.eclipse.jdt.internal.core.search.indexing ReadWriteMonitor exitRead
public synchronized void exitRead()
From source file:com.codenvy.ide.ext.java.server.internal.core.search.indexing.AddFolderToIndex.java
License:Open Source License
public boolean execute(IProgressMonitor progressMonitor) { if (this.isCancelled || progressMonitor != null && progressMonitor.isCanceled()) return true; // if (!this.project.isAccessible()) return true; // nothing to do // IResource folder = this.project.getParent().findMember(this.folderPath); File folder = new File(folderPath.toOSString()); if (!folder.exists()) return true; // nothing to do, source folder was removed /* ensure no concurrent write access to index */ Index index = this.manager.getIndex(this.containerPath, true, /*reuse index file*/ true /*create if none*/); if (index == null) return true; ReadWriteMonitor monitor = index.monitor; if (monitor == null) return true; // index got deleted since acquired try {/*from w w w .jav a2s . c o m*/ monitor.enterRead(); // ask permission to read final IPath container = this.containerPath; final IndexManager indexManager = this.manager; final SourceElementParser parser = indexManager.getSourceElementParser(this.project, null/*requestor will be set by indexer*/); Path path = FileSystems.getDefault().getPath(folderPath.toOSString()); if (this.exclusionPatterns == null && this.inclusionPatterns == null) { Files.walkFileTree(path, new FileVisitor<Path>() { @Override public FileVisitResult preVisitDirectory(Path dir, BasicFileAttributes attrs) throws IOException { return null; } @Override public FileVisitResult visitFile(Path file, BasicFileAttributes attrs) throws IOException { if (Util.isJavaLikeFileName(file.toFile().getName())) indexManager.addSource(file, container, parser); return FileVisitResult.CONTINUE; } @Override public FileVisitResult visitFileFailed(Path file, IOException exc) throws IOException { return null; } @Override public FileVisitResult postVisitDirectory(Path dir, IOException exc) throws IOException { return null; } }); // folder.accept( // new IResourceProxyVisitor() { // public boolean visit(IResourceProxy proxy) /* throws CoreException */{ // if (proxy.getType() == IResource.FILE) { // // return false; // } // return true; // } // }, // IResource.NONE // ); } else { Files.walkFileTree(path, new FileVisitor<Path>() { @Override public FileVisitResult preVisitDirectory(Path dir, BasicFileAttributes attrs) throws IOException { if (AddFolderToIndex.this.exclusionPatterns != null && AddFolderToIndex.this.inclusionPatterns == null) { // if there are inclusion patterns then we must walk the children if (Util.isExcluded(new org.eclipse.core.runtime.Path(dir.toFile().getPath()), AddFolderToIndex.this.inclusionPatterns, AddFolderToIndex.this.exclusionPatterns, true)) return FileVisitResult.SKIP_SUBTREE; } return FileVisitResult.CONTINUE; } @Override public FileVisitResult visitFile(Path file, BasicFileAttributes attrs) throws IOException { if (Util.isJavaLikeFileName(file.getFileName().toString())) { // IResource resource = proxy.requestResource(); if (!Util.isExcluded(new org.eclipse.core.runtime.Path(file.toFile().getPath()), AddFolderToIndex.this.inclusionPatterns, AddFolderToIndex.this.exclusionPatterns, false)) indexManager.addSource(file, container, parser); } return null; } @Override public FileVisitResult visitFileFailed(Path file, IOException exc) throws IOException { return null; } @Override public FileVisitResult postVisitDirectory(Path dir, IOException exc) throws IOException { return null; } }); // folder.accept( // new IResourceProxyVisitor() { // public boolean visit(IResourceProxy proxy) /* throws CoreException */{ // switch(proxy.getType()) { // case IResource.FILE : // // return false; // case IResource.FOLDER : // // } // return true; // } // }, // IResource.NONE // ); } } catch (IOException e) { if (JobManager.VERBOSE) { Util.verbose( "-> failed to add " + this.folderPath + " to index because of the following exception:", //$NON-NLS-1$//$NON-NLS-2$ System.err); e.printStackTrace(); } return false; } finally { monitor.exitRead(); // free read lock } return true; }
From source file:com.codenvy.ide.ext.java.server.internal.core.search.indexing.IndexAllProject.java
License:Open Source License
/** * 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./*from ww w.j av a2 s . co m*/ */ public boolean execute(IProgressMonitor progressMonitor) { if (this.isCancelled || progressMonitor != null && progressMonitor.isCanceled()) return true; // if (!this.project.isAccessible()) return true; // nothing to do ReadWriteMonitor monitor = null; try { // Get source folder entries. Libraries are done as a separate job // JavaProject javaProject = (JavaProject)JavaCore.create(this.project); // Do not create marker while getting raw classpath (see bug 41859) IClasspathEntry[] entries = project.getRawClasspath(); int length = entries.length; IClasspathEntry[] sourceEntries = new IClasspathEntry[length]; int sourceEntriesNumber = 0; for (int i = 0; i < length; i++) { IClasspathEntry entry = entries[i]; if (entry.getEntryKind() == IClasspathEntry.CPE_SOURCE) sourceEntries[sourceEntriesNumber++] = entry; } if (sourceEntriesNumber == 0) { IPath projectPath = project.getPath(); for (int i = 0; i < length; i++) { IClasspathEntry entry = entries[i]; if (entry.getEntryKind() == IClasspathEntry.CPE_LIBRARY && entry.getPath().equals(projectPath)) { // the project is also a library folder (see https://bugs.eclipse.org/bugs/show_bug.cgi?id=89815) // ensure a job exists to index it as a binary folder this.manager.indexLibrary(projectPath, /*this.project,*/ ((ClasspathEntry) entry).getLibraryIndexLocation()); return true; } } // nothing to index but want to save an empty index file so its not 'rebuilt' when part of a search request Index index = this.manager.getIndexForUpdate(this.containerPath, true, /*reuse index file*/ true /*create if none*/); if (index != null) this.manager.saveIndex(index); return true; } if (sourceEntriesNumber != length) System.arraycopy(sourceEntries, 0, sourceEntries = new IClasspathEntry[sourceEntriesNumber], 0, sourceEntriesNumber); Index index = this.manager.getIndexForUpdate(this.containerPath, true, /*reuse index file*/ true /*create if none*/); if (index == null) return true; monitor = index.monitor; if (monitor == null) return true; // index got deleted since acquired monitor.enterRead(); // ask permission to read String[] paths = index.queryDocumentNames(""); // all file names //$NON-NLS-1$ int max = paths == null ? 0 : paths.length; final SimpleLookupTable indexedFileNames = new SimpleLookupTable(max == 0 ? 33 : max + 11); final String OK = "OK"; //$NON-NLS-1$ final String DELETED = "DELETED"; //$NON-NLS-1$ if (paths != null) { for (int i = 0; i < max; i++) indexedFileNames.put(paths[i], DELETED); } final long indexLastModified = max == 0 ? 0L : index.getIndexLastModified(); // IWorkspaceRoot root = this.project.getWorkspace().getRoot(); for (int i = 0; i < sourceEntriesNumber; i++) { if (this.isCancelled) return false; IClasspathEntry entry = sourceEntries[i]; // IResource sourceFolder = root.findMember(entry.getPath()); Path sourceFolder = FileSystems.getDefault().getPath(entry.getPath().toOSString()); 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(); //TODO // if (sourceFolder.getType() == IResource.PROJECT) { // // Do not create marker while getting output location (see bug 41859) // outputs.add(javaProject.getOutputLocation()); // for (int j = 0; j < sourceEntriesNumber; j++) { // IPath output = sourceEntries[j].getOutputLocation(); // if (output != null) { // outputs.add(output); // } // } // } final boolean hasOutputs = !outputs.isEmpty(); final char[][] inclusionPatterns = ((ClasspathEntry) entry).fullInclusionPatternChars(); final char[][] exclusionPatterns = ((ClasspathEntry) entry).fullExclusionPatternChars(); if (max == 0) { Files.walkFileTree(sourceFolder, new FileVisitor<Path>() { @Override public FileVisitResult preVisitDirectory(Path dir, BasicFileAttributes attrs) throws IOException { if (exclusionPatterns != null && inclusionPatterns == null) { // if there are inclusion patterns then we must walk the children if (Util.isExcluded(new org.eclipse.core.runtime.Path(dir.toFile().getPath()), inclusionPatterns, exclusionPatterns, true)) return FileVisitResult.SKIP_SUBTREE; } if (hasOutputs && outputs.contains(dir.toAbsolutePath())) return FileVisitResult.SKIP_SUBTREE; return FileVisitResult.CONTINUE; } @Override public FileVisitResult visitFile(Path file, BasicFileAttributes attrs) throws IOException { if (Util.isJavaLikeFileName(file.getFileName().toString())) { // IFile file = (IFile) proxy.requestResource(); org.eclipse.core.runtime.Path resourcePath = new org.eclipse.core.runtime.Path( file.toFile().getPath()); if (exclusionPatterns != null || inclusionPatterns != null) { if (Util.isExcluded(resourcePath, inclusionPatterns, exclusionPatterns, false)) return FileVisitResult.CONTINUE; } indexedFileNames.put(resourcePath.makeRelativeTo(containerPath).toOSString(), file); } return FileVisitResult.CONTINUE; } @Override public FileVisitResult visitFileFailed(Path file, IOException exc) throws IOException { return FileVisitResult.CONTINUE; } @Override public FileVisitResult postVisitDirectory(Path dir, IOException exc) throws IOException { return FileVisitResult.CONTINUE; } }); // sourceFolder.accept( // new IResourceProxyVisitor() { // public boolean visit(IResourceProxy proxy) { // if (IndexAllProject.this.isCancelled) return false; // switch(proxy.getType()) { // case IResource.FILE : // // case IResource.FOLDER : // // } // return true; // } // }, // IResource.NONE // ); } else { Files.walkFileTree(sourceFolder, new FileVisitor<Path>() { @Override public FileVisitResult preVisitDirectory(Path dir, BasicFileAttributes attrs) throws IOException { if (exclusionPatterns != null || inclusionPatterns != null) if (Util.isExcluded(new org.eclipse.core.runtime.Path(dir.toFile().getPath()), inclusionPatterns, exclusionPatterns, true)) return FileVisitResult.SKIP_SUBTREE; if (hasOutputs && outputs.contains(dir.toAbsolutePath())) return FileVisitResult.SKIP_SUBTREE; return FileVisitResult.CONTINUE; } @Override public FileVisitResult visitFile(Path file, BasicFileAttributes attrs) throws IOException { if (Util.isJavaLikeFileName(file.getFileName().toString())) { // IFile file = (IFile) proxy.requestResource(); URI location = file.toUri(); if (location == null) return FileVisitResult.CONTINUE; if (exclusionPatterns != null || inclusionPatterns != null) if (Util.isExcluded( new org.eclipse.core.runtime.Path(file.toFile().getPath()), inclusionPatterns, exclusionPatterns, false)) return FileVisitResult.CONTINUE; String relativePathString = new org.eclipse.core.runtime.Path( file.toFile().getPath()).makeRelativeTo(containerPath).toOSString(); //Util.relativePath(new org.eclipse.core.runtime.Path(file.toFile().getPath()), 1/*remove project segment*/); indexedFileNames.put(relativePathString, indexedFileNames .get(relativePathString) == null || indexLastModified < 0 /*EFS.getStore(location).fetchInfo().getLastModified()*/ ? (Object) file : (Object) OK); } return FileVisitResult.CONTINUE; } @Override public FileVisitResult visitFileFailed(Path file, IOException exc) throws IOException { return FileVisitResult.CONTINUE; } @Override public FileVisitResult postVisitDirectory(Path dir, IOException exc) throws IOException { return FileVisitResult.CONTINUE; } }); // sourceFolder.accept( // new IResourceProxyVisitor() { // public boolean visit(IResourceProxy proxy) throws CoreException { // if (IndexAllProject.this.isCancelled) return false; // switch(proxy.getType()) { // case IResource.FILE : // if (Util.isJavaLikeFileName(proxy.getName())) { // IFile file = (IFile) proxy.requestResource(); // URI location = file.getLocationURI(); // if (location == null) return false; // if (exclusionPatterns != null || inclusionPatterns != null) // if (Util.isExcluded(file, inclusionPatterns, exclusionPatterns)) // return false; // String relativePathString = Util // .relativePath(file.getFullPath(), 1/*remove project segment*/); // indexedFileNames.put(relativePathString, // indexedFileNames.get(relativePathString) == null // || indexLastModified < 0 /*EFS.getStore(location).fetchInfo().getLastModified()*/ // ? (Object) file // : (Object) OK); // } // return false; // case IResource.FOLDER : // if (exclusionPatterns != null || inclusionPatterns != null) // if (Util.isExcluded(proxy.requestResource(), inclusionPatterns, exclusionPatterns)) // return false; // if (hasOutputs && outputs.contains(proxy.requestFullPath())) // return false; // } // return true; // } // }, // IResource.NONE // ); } } } SourceElementParser parser = this.manager.getSourceElementParser(project, null/*requestor will be set by indexer*/); Object[] names = indexedFileNames.keyTable; Object[] values = indexedFileNames.valueTable; for (int i = 0, namesLength = names.length; i < namesLength; i++) { String name = (String) names[i]; if (name != null) { if (this.isCancelled) return false; Object value = values[i]; if (value != OK) { if (value == DELETED) this.manager.remove(name, this.containerPath); else this.manager.addSource((Path) value, this.containerPath, parser); } } } // request to save index when all cus have been indexed... also sets state to SAVED_STATE this.manager.request(new SaveIndex(this.containerPath, this.manager)); } catch (CoreException e) { if (JobManager.VERBOSE) { Util.verbose("-> failed to index " + this.project + " because of the following exception:", //$NON-NLS-1$//$NON-NLS-2$ System.err); e.printStackTrace(); } this.manager.removeIndex(this.containerPath); return false; } catch (IOException e) { if (JobManager.VERBOSE) { Util.verbose("-> failed to index " + this.project + " because of the following exception:", //$NON-NLS-1$//$NON-NLS-2$ System.err); e.printStackTrace(); } this.manager.removeIndex(this.containerPath); return false; } finally { if (monitor != null) monitor.exitRead(); // free read lock } return true; }
From source file:com.codenvy.ide.ext.java.server.internal.core.search.indexing.IndexManager.java
License:Open Source License
/** * Commit all index memory changes to disk *//*from w ww .j av a2s .c o m*/ public void saveIndexes() { // only save cached indexes... the rest were not modified ArrayList toSave = new ArrayList(); synchronized (this) { Object[] valueTable = this.indexes.valueTable; for (int i = 0, l = valueTable.length; i < l; i++) { Index index = (Index) valueTable[i]; if (index != null) toSave.add(index); } } boolean allSaved = true; for (int i = 0, length = toSave.size(); i < length; i++) { Index index = (Index) toSave.get(i); ReadWriteMonitor monitor = index.monitor; if (monitor == null) continue; // index got deleted since acquired try { // take read lock before checking if index has changed // don't take write lock yet since it can cause a deadlock (see https://bugs.eclipse.org/bugs/show_bug.cgi?id=50571) monitor.enterRead(); if (index.hasChanged()) { if (monitor.exitReadEnterWrite()) { try { saveIndex(index); } catch (IOException e) { if (VERBOSE) { Util.verbose("-> got the following exception while saving:", System.err); //$NON-NLS-1$ e.printStackTrace(); } allSaved = false; } finally { monitor.exitWriteEnterRead(); } } else { allSaved = false; } } } finally { monitor.exitRead(); } } if (this.participantsContainers != null && this.participantUpdated) { writeParticipantsIndexNamesFile(); this.participantUpdated = false; } this.needToSave = !allSaved; }
From source file:com.codenvy.ide.ext.java.server.internal.core.search.indexing.RemoveFolderFromIndex.java
License:Open Source License
public boolean execute(IProgressMonitor progressMonitor) { if (this.isCancelled || progressMonitor != null && progressMonitor.isCanceled()) return true; /* ensure no concurrent write access to index */ Index index = this.manager.getIndex(this.containerPath, true, /*reuse index file*/ false /*create if none*/); if (index == null) return true; ReadWriteMonitor monitor = index.monitor; if (monitor == null) return true; // index got deleted since acquired try {/* w w w . j a v a 2 s . c o m*/ monitor.enterRead(); // ask permission to read String containerRelativePath = Util.relativePath(this.folderPath, this.containerPath.segmentCount()); String[] paths = index.queryDocumentNames(containerRelativePath); // all file names belonging to the folder or its subfolders and that are not excluded (see http://bugs.eclipse.org/bugs/show_bug.cgi?id=32607) if (paths != null) { if (this.exclusionPatterns == null && this.inclusionPatterns == null) { for (int i = 0, max = paths.length; i < max; i++) { this.manager.remove(paths[i], this.containerPath); // write lock will be acquired by the remove operation } } else { for (int i = 0, max = paths.length; i < max; i++) { String documentPath = this.containerPath.toString() + '/' + paths[i]; if (!Util.isExcluded(new Path(documentPath), this.inclusionPatterns, this.exclusionPatterns, false)) this.manager.remove(paths[i], this.containerPath); // write lock will be acquired by the remove operation } } } } catch (IOException e) { if (JobManager.VERBOSE) { Util.verbose("-> failed to remove " + this.folderPath //$NON-NLS-1$ + " from index because of the following exception:", System.err); //$NON-NLS-1$ e.printStackTrace(); } return false; } finally { monitor.exitRead(); // free read lock } return true; }
From source file:com.codenvy.ide.ext.java.server.internal.core.search.PatternSearchJob.java
License:Open Source License
public boolean search(Index index, IProgressMonitor progressMonitor) { if (index == null) return COMPLETE; if (progressMonitor != null && progressMonitor.isCanceled()) throw new OperationCanceledException(); ReadWriteMonitor monitor = index.monitor; if (monitor == null) return COMPLETE; // index got deleted since acquired try {/* www . j a v a 2 s. c o m*/ monitor.enterRead(); // ask permission to read long start = System.currentTimeMillis(); MatchLocator.findIndexMatches(this.pattern, index, this.requestor, this.participant, this.scope, progressMonitor); this.executionTime += System.currentTimeMillis() - start; return COMPLETE; } catch (IOException e) { if (e instanceof java.io.EOFException) e.printStackTrace(); return FAILED; } finally { monitor.exitRead(); // finished reading } }