List of usage examples for org.eclipse.jdt.internal.core.search.indexing IndexManager performConcurrentJob
public boolean performConcurrentJob(IJob searchJob, int waitingPolicy, IProgressMonitor monitor)
From source file:org.eclipse.xtext.common.types.access.jdt.JdtTypeProvider.java
License:Open Source License
/** * Searches a secondary type with the given name and package. * /*w w w .j a va 2 s. co m*/ * Secondary types are toplevel types with a name that does not match the name of the compilation unit. * @since 2.9 */ protected IType findSecondaryType(String packageName, final String typeName) throws JavaModelException { IPackageFragmentRoot[] sourceFolders = getSourceFolders(); IndexManager indexManager = JavaModelManager.getIndexManager(); if (indexManager.awaitingJobsCount() > 0) { // still indexing - don't enter a busy wait loop but ask the source folders directly return findSecondaryTypeInSourceFolders(packageName, typeName, sourceFolders); } // code below is adapted from BasicSearchEnginge.searchAllSecondaryTypes // index is ready, query it for a secondary type final TypeDeclarationPattern pattern = new TypeDeclarationPattern( packageName == null ? CharOperation.NO_CHAR : packageName.toCharArray(), CharOperation.NO_CHAR_CHAR, // top level type - no enclosing type names typeName.toCharArray(), IIndexConstants.SECONDARY_SUFFIX, SearchPattern.R_EXACT_MATCH | SearchPattern.R_CASE_SENSITIVE); // Get working copy path(s). Store in a single string in case of only one to optimize comparison in requestor final HashSet<String> workingCopyPaths = new HashSet<String>(); String workingCopyPath = null; ICompilationUnit[] copies = getWorkingCopies(); final int copiesLength = copies == null ? 0 : copies.length; if (copies != null) { if (copiesLength == 1) { ICompilationUnit singleWC = copies[0]; if (singleWC.getPackageDeclaration(packageName).exists()) { IType result = singleWC.getType(typeName); if (result.exists()) { return result; } } workingCopyPath = copies[0].getPath().toString(); } else { for (int i = 0; i < copiesLength; i++) { ICompilationUnit workingCopy = copies[i]; if (workingCopy.getPackageDeclaration(packageName).exists()) { IType result = workingCopy.getType(typeName); if (result.exists()) { return result; } } workingCopyPaths.add(workingCopy.getPath().toString()); } } } final String singleWkcpPath = workingCopyPath; final Wrapper<IType> result = Wrapper.forType(IType.class); IndexQueryRequestor searchRequestor = new IndexQueryRequestor() { @Override public boolean acceptIndexMatch(String documentPath, SearchPattern indexRecord, SearchParticipant participant, AccessRuleSet access) { // Filter unexpected types switch (copiesLength) { case 0: break; case 1: if (singleWkcpPath == null) { throw new IllegalStateException(); } if (singleWkcpPath.equals(documentPath)) { return true; // filter out *the* working copy } break; default: if (workingCopyPaths.contains(documentPath)) { return true; // filter out working copies } break; } IFile file = ResourcesPlugin.getWorkspace().getRoot().getFile(new Path(documentPath)); ICompilationUnit unit = JavaCore.createCompilationUnitFrom(file); IType type = unit.getType(typeName); result.set(type); return false; } }; try { indexManager.performConcurrentJob( new PatternSearchJob(pattern, BasicSearchEngine.getDefaultSearchParticipant(), // Java search only BasicSearchEngine.createJavaSearchScope(sourceFolders), searchRequestor), IJavaSearchConstants.WAIT_UNTIL_READY_TO_SEARCH, null); } catch (OperationCanceledException oce) { // do nothing } return result.get(); }
From source file:org.eclipse.xtext.xbase.ui.validation.ProjectAwareUniqueClassNameValidator.java
License:Open Source License
public boolean doCheckUniqueInProject(final QualifiedName name, final JvmDeclaredType type) throws JavaModelException { final IJavaProject javaProject = this.javaProjectProvider.getJavaProject(type.eResource().getResourceSet()); this.getContext().put(ProjectAwareUniqueClassNameValidator.OUTPUT_CONFIGS, this.outputConfigurationProvider.getOutputConfigurations(type.eResource())); final String packageName = type.getPackageName(); final String typeName = type.getSimpleName(); final Function1<IPackageFragmentRoot, Boolean> _function = (IPackageFragmentRoot it) -> { try {/*from w ww . ja v a 2s. c o m*/ int _kind = it.getKind(); return Boolean.valueOf((_kind == IPackageFragmentRoot.K_SOURCE)); } catch (Throwable _e) { throw Exceptions.sneakyThrow(_e); } }; final Iterable<IPackageFragmentRoot> sourceFolders = IterableExtensions.<IPackageFragmentRoot>filter( ((Iterable<IPackageFragmentRoot>) Conversions.doWrapArray(javaProject.getPackageFragmentRoots())), _function); IndexManager indexManager = JavaModelManager.getIndexManager(); if (((((Object[]) Conversions.unwrapArray(sourceFolders, Object.class)).length == 0) || (indexManager.awaitingJobsCount() > 0))) { String _elvis = null; if (packageName != null) { _elvis = packageName; } else { _elvis = ""; } ProjectAwareUniqueClassNameValidator.SourceTraversal _doCheckUniqueInProjectSource = this .doCheckUniqueInProjectSource(_elvis, typeName, type, ((IPackageFragmentRoot[]) Conversions .unwrapArray(sourceFolders, IPackageFragmentRoot.class))); if (_doCheckUniqueInProjectSource != null) { switch (_doCheckUniqueInProjectSource) { case DUPLICATE: return false; case UNIQUE: return true; default: break; } } else { } } final HashSet<String> workingCopyPaths = CollectionLiterals.<String>newHashSet(); ICompilationUnit[] copies = this.getWorkingCopies(type); if ((copies != null)) { for (final ICompilationUnit workingCopy : copies) { { final IPath path = workingCopy.getPath(); if ((javaProject.getPath().isPrefixOf(path) && (!this.isDerived(workingCopy.getResource())))) { boolean _exists = workingCopy.getPackageDeclaration(packageName).exists(); if (_exists) { IType result = workingCopy.getType(typeName); boolean _exists_1 = result.exists(); if (_exists_1) { this.addIssue(type, workingCopy.getElementName()); return false; } } workingCopyPaths.add(workingCopy.getPath().toString()); } } } } char[] _xifexpression = null; if ((packageName == null)) { _xifexpression = CharOperation.NO_CHAR; } else { _xifexpression = packageName.toCharArray(); } char[] _charArray = typeName.toCharArray(); final TypeDeclarationPattern pattern = new TypeDeclarationPattern(_xifexpression, CharOperation.NO_CHAR_CHAR, _charArray, IIndexConstants.TYPE_SUFFIX, (SearchPattern.R_EXACT_MATCH | SearchPattern.R_CASE_SENSITIVE)); final IndexQueryRequestor _function_1 = new IndexQueryRequestor() { @Override public boolean acceptIndexMatch(final String documentPath, final SearchPattern indexRecord, final SearchParticipant participant, final AccessRuleSet access) { boolean _contains = workingCopyPaths.contains(documentPath); if (_contains) { return true; } IWorkspaceRoot _root = ResourcesPlugin.getWorkspace().getRoot(); Path _path = new Path(documentPath); IFile file = _root.getFile(_path); boolean _isDerived = ProjectAwareUniqueClassNameValidator.this.isDerived(file); boolean _not = (!_isDerived); if (_not) { ProjectAwareUniqueClassNameValidator.this.addIssue(type, file.getName()); return false; } return true; } }; IndexQueryRequestor searchRequestor = _function_1; try { SearchParticipant _defaultSearchParticipant = BasicSearchEngine.getDefaultSearchParticipant(); IJavaSearchScope _createJavaSearchScope = BasicSearchEngine.createJavaSearchScope( ((IJavaElement[]) Conversions.unwrapArray(sourceFolders, IJavaElement.class))); PatternSearchJob _patternSearchJob = new PatternSearchJob(pattern, _defaultSearchParticipant, _createJavaSearchScope, searchRequestor); indexManager.performConcurrentJob(_patternSearchJob, IJavaSearchConstants.WAIT_UNTIL_READY_TO_SEARCH, null); return true; } catch (final Throwable _t) { if (_t instanceof OperationCanceledException) { final OperationCanceledException oce = (OperationCanceledException) _t; return false; } else { throw Exceptions.sneakyThrow(_t); } } }