core/org.eclipse.rcptt.core/src/org/eclipse/rcptt/core/model/search/Q7SearchCore.java - rcptt/org.eclipse.rcptt - Git at Google

 /*******************************************************************************
  * Copyright (c) 2009, 2019 Xored Software Inc and others.
  * All rights reserved. This program and the accompanying materials
  * are made available under the terms of the Eclipse Public License v2.0
  * which accompanies this distribution, and is available at
  * https://www.eclipse.org/legal/epl-v20.html
  *
  * Contributors:
  *     Xored Software Inc - initial API and implementation and/or initial documentation
  *******************************************************************************/
 package org.eclipse.rcptt.core.model.search;

 import java.util.ArrayList;
 import java.util.Arrays;
 import java.util.HashMap;
 import java.util.HashSet;
 import java.util.List;
 import java.util.Map;
 import java.util.Set;

 import org.eclipse.core.resources.IWorkspaceRoot;
 import org.eclipse.core.resources.ResourcesPlugin;
 import org.eclipse.core.runtime.IPath;
 import org.eclipse.core.runtime.IProgressMonitor;
 import org.eclipse.core.runtime.NullProgressMonitor;
 import org.eclipse.core.runtime.OperationCanceledException;
 import org.eclipse.core.runtime.Path;
 import org.eclipse.rcptt.core.model.IContext;
 import org.eclipse.rcptt.core.model.IQ7Element;
 import org.eclipse.rcptt.core.model.IQ7NamedElement;
 import org.eclipse.rcptt.core.model.IQ7Project;
 import org.eclipse.rcptt.core.model.ITestSuite;
 import org.eclipse.rcptt.core.model.ModelException;
 import org.eclipse.rcptt.core.model.index.IQ7IndexConstants;
 import org.eclipse.rcptt.core.scenario.TestSuite;
 import org.eclipse.rcptt.core.scenario.TestSuiteItem;
 import org.eclipse.rcptt.core.workspace.RcpttCore;
 import org.eclipse.rcptt.internal.core.jobs.IJob;
 import org.eclipse.rcptt.internal.core.model.ModelManager;
 import org.eclipse.rcptt.internal.core.model.ReferencedProjectScope;
 import org.eclipse.rcptt.internal.core.model.index.Index;
 import org.eclipse.rcptt.internal.core.model.index.IndexManager;

 public class Q7SearchCore {
 	public static IQ7NamedElement[] findById(String id, ISearchScope scope,
 			IProgressMonitor monitor) {
 		return findById(id, scope, monitor, -1);
 	}

 	public static IQ7NamedElement findById(String id) {
 		IQ7NamedElement[] result = findById(id, new AllProjectScope(), new NullProgressMonitor());
 		if (result.length != 1) {
 			return null;
 		}
 		return result[0];
 	}

 	public static IQ7NamedElement[] findById(String id, ISearchScope scope,
 			IProgressMonitor monitor, long timeout) {

 		IndexManager indexManager = ModelManager.getModelManager().getIndexManager();

 		Q7NamedElementCollector collector = new Q7NamedElementCollector();

 		indexManager.performConcurrentJob(new PatternSearchJob(new IDSearchPattern(id),
 				scope, collector), IJob.WaitUntilReady, monitor, timeout);

 		List<IQ7NamedElement> elements = new ArrayList<IQ7NamedElement>();
 		for (IQ7Element e : collector.getElements()) {
 			if (e instanceof IQ7NamedElement) {
 				elements.add((IQ7NamedElement) e);
 			}
 		}
 		return elements.toArray(new IQ7NamedElement[elements.size()]);
 	}

 	public static IQ7NamedElement[] findByName(String name, ISearchScope scope,
 			IProgressMonitor monitor) {

 		IndexManager indexManager = ModelManager.getModelManager().getIndexManager();

 		Q7NamedElementCollector collector = new Q7NamedElementCollector();

 		indexManager.performConcurrentJob(new PatternSearchJob(
 				new NameSearchPattern(name), scope, collector), IJob.WaitUntilReady,
 				monitor);

 		List<IQ7NamedElement> elements = new ArrayList<IQ7NamedElement>();
 		for (IQ7Element e : collector.getElements()) {
 			if (e instanceof IQ7NamedElement) {
 				elements.add((IQ7NamedElement) e);
 			}
 		}
 		return elements.toArray(new IQ7NamedElement[elements.size()]);
 	}

 	public static IQ7NamedElement[] findContextUsage(String cid, ISearchScope scope,
 			IProgressMonitor monitor) {

 		IndexManager indexManager = ModelManager.getModelManager().getIndexManager();

 		Q7NamedElementCollector collector = new Q7NamedElementCollector();

 		indexManager.performConcurrentJob(new PatternSearchJob(
 				new ContextRefSearchPattern(cid), scope, collector), IJob.WaitUntilReady,
 				monitor);

 		List<IQ7NamedElement> elements = new ArrayList<IQ7NamedElement>();
 		for (IQ7Element e : collector.getElements()) {
 			if (e instanceof IQ7NamedElement) {
 				elements.add((IQ7NamedElement) e);
 			}
 		}
 		return elements.toArray(new IQ7NamedElement[elements.size()]);
 	}

 	public static IQ7NamedElement[] findVerificationUsage(String id, ISearchScope scope,
 			IProgressMonitor monitor) {

 		IndexManager indexManager = ModelManager.getModelManager().getIndexManager();

 		Q7NamedElementCollector collector = new Q7NamedElementCollector();

 		indexManager.performConcurrentJob(new PatternSearchJob(
 				new VerificationRefSearchPattern(id), scope, collector), IJob.WaitUntilReady,
 				monitor);

 		List<IQ7NamedElement> elements = new ArrayList<IQ7NamedElement>();
 		for (IQ7Element e : collector.getElements()) {
 			if (e instanceof IQ7NamedElement) {
 				elements.add((IQ7NamedElement) e);
 			}
 		}
 		return elements.toArray(new IQ7NamedElement[elements.size()]);
 	}

 	public static IQ7NamedElement[] findElementsWithUnusedReferences(ISearchScope scope, IProgressMonitor monitor) {
 		IndexManager indexManager = ModelManager.getModelManager().getIndexManager();
 		Set<String> ids = new HashSet<String>(Arrays.asList(findAllIDs(scope)));

 		final List<IQ7NamedElement> result = new ArrayList<IQ7NamedElement>();
 		indexManager.performConcurrentJob(new PatternSearchJob(
 				new AllReferenceQueryPattern(ids, IQ7IndexConstants.CONTEXT_REF,
 						IQ7IndexConstants.VERIFICATION_REF),
 				scope, new IIndexRequestor() {
 					public void acceptMatch(IQ7Element q7Element, String key, String value) {
 						result.add((IQ7NamedElement) q7Element);
 					}
 				}), IJob.WaitUntilReady, new NullProgressMonitor());

 		return result.toArray(new IQ7NamedElement[result.size()]);
 	}

 	public static IContext[] findContextsWithLinks(ISearchScope scope, Set<IPath> changed,
 			IProgressMonitor monitor) {
 		IndexManager indexManager = ModelManager.getModelManager().getIndexManager();
 		final List<IContext> result = new ArrayList<IContext>();
 		indexManager.performConcurrentJob(new PatternSearchJob(
 				new AllContextWithLinksQueryPattern(changed), scope, new IIndexRequestor() {
 					public void acceptMatch(IQ7Element q7Element, String key, String value) {
 						// Could also collect all refernced files here.
 						if (q7Element instanceof IContext) {
 							result.add((IContext) q7Element);
 						}
 					}
 				}), IJob.WaitUntilReady, new NullProgressMonitor());
 		return result.toArray(new IContext[result.size()]);
 	}

 	public static String findNameByDocument(final IQ7Element element) {
 		if (element.getParent() != null) {
 			final List<String> names = new ArrayList<String>();
 			if (element.getQ7Project() == null) {
 				return null;
 			}

 			IndexManager indexManager = ModelManager.getModelManager().getIndexManager();
 			final IPath path = element.getQ7Project().getPath();
 			try {
 				indexManager.performConcurrentJob(
 						new PatternSearchJob(new PathNameSearchPattern(element.getPath()
 								.removeFirstSegments(path.segmentCount()).toString()),
 								new ISearchScope() {
 									public IPath[] getPaths() {
 										return new IPath[] { path };
 									}

 									public boolean contains(IPath path) {
 										return false;
 									}
 								}, new IIndexRequestor() {
 									public void acceptMatch(IQ7Element q7Element,
 											String key, String value) {
 										names.add(value);
 									}
 								}), IJob.CancelIfNotReady, new NullProgressMonitor());
 			} catch (OperationCanceledException e) {
 				return null;
 			}
 			if (names.size() == 1) {
 				return names.get(0);
 			}
 		}
 		return null;
 	}

 	public static String[] findContextsByDocument(final IQ7Element element) {
 		if (element.getParent() != null) {
 			String id = IQ7IndexConstants.CONTEXT_REF;
 			final List<String> names = findItemByDocument(element, id, false);
 			return names.toArray(new String[names.size()]);
 		}
 		return null;
 	}

 	public static String[] findVerificationsByDocument(final IQ7Element element) {
 		if (element.getParent() != null) {
 			String id = IQ7IndexConstants.VERIFICATION_REF;
 			final List<String> names = findItemByDocument(element, id, false);
 			return names.toArray(new String[names.size()]);
 		}
 		return null;
 	}

 	private static List<String> findItemByDocument(final IQ7Element element, String id,
 			boolean allowCancel) {
 		final List<String> names = new ArrayList<String>();
 		if (element.getQ7Project() == null) {
 			return names;
 		}
 		final IPath path = element.getQ7Project().getPath();
 		IndexManager indexManager = ModelManager.getModelManager().getIndexManager();
 		try {
 			indexManager.performConcurrentJob(new PatternSearchJob(new KeyQueryPattern(
 					element.getPath(), id), new ISearchScope() {
 				public IPath[] getPaths() {
 					return new IPath[] { path };
 				}

 				public boolean contains(IPath path) {
 					return false;
 				}
 			}, new IIndexRequestor() {
 				public void acceptMatch(IQ7Element q7Element, String key, String value) {
 					names.add(value);
 				}
 			}), allowCancel ? IJob.CancelIfNotReady : IJob.WaitUntilReady,
 					new NullProgressMonitor());
 		} catch (OperationCanceledException e) {
 			return names;
 		}
 		return names;
 	}

 	private static List<String> findItemByPath(final IPath elementPath, String id) {
 		final List<String> names = new ArrayList<String>();
 		final IPath path = new Path("/"+elementPath.segment(0));
 		IndexManager indexManager = ModelManager.getModelManager().getIndexManager();
 		indexManager.performConcurrentJob(new PatternSearchJob(new KeyQueryPattern(
 				elementPath, id), new ISearchScope() {
 			public IPath[] getPaths() {
 				return new IPath[] { path };
 			}

 			public boolean contains(IPath path) {
 				return false;
 			}
 		}, new IIndexRequestor() {
 			public void acceptMatch(IQ7Element q7Element, String key, String value) {
 				names.add(value);
 			}
 		}), IJob.WaitUntilReady, new NullProgressMonitor());
 		return names;
 	}

 	public static String findIDByDocument(final IQ7Element element) {
 		String id = IQ7IndexConstants.ID;
 		List<String> names = findItemByDocument(element, id, true);

 		if (names.size() == 1) {
 			return names.get(0);
 		}
 		return null;
 	}

 	public static String findIDByPath(final IPath path) {
 		String id = IQ7IndexConstants.ID;
 		List<String> names = findItemByPath(path, id);
 		if (names.size() == 1) {
 			return names.get(0);
 		}
 		return null;
 	}

 	public static Boolean findIsEmptyByDocument(final IQ7Element element) {
 		String id = IQ7IndexConstants.IS_EMPTY;
 		List<String> names = findItemByDocument(element, id, true);

 		if (names.size() == 1) {
 			return Boolean.valueOf(names.get(0));
 		}
 		return null;
 	}

 	public static String findContextTypeByDocument(final IContext element) {
 		String id = IQ7IndexConstants.CONTEXT_TYPE;
 		List<String> names = findItemByDocument(element, id, true);
 		if (names.size() == 1) {
 			return names.get(0);
 		}
 		return null;
 	}

 	public static String findVerificationTypeByDocument(final IQ7Element element) {
 		String id = IQ7IndexConstants.VERIFICATION_TYPE;
 		List<String> names = findItemByDocument(element, id, true);
 		return names.size() == 1 ? names.get(0) : null;
 	}

 	public static String[] findTagsByDocument(final IQ7Element element) {
 		String id = IQ7IndexConstants.TAG;
 		List<String> names = findItemByDocument(element, id, false);
 		return names.toArray(new String[names.size()]);
 	}

 	public static String[] findAllNames(ISearchScope scope) {
 		IndexManager indexManager = ModelManager.getModelManager().getIndexManager();
 		final List<String> names = new ArrayList<String>();
 		indexManager.performConcurrentJob(new PatternSearchJob(new AllNameQueryPattern(),
 				scope, new IIndexRequestor() {
 					public void acceptMatch(IQ7Element q7Element, String key, String value) {
 						names.add(value);
 					}
 				}), IJob.WaitUntilReady, new NullProgressMonitor());
 		return names.toArray(new String[names.size()]);
 	}

 	public static String[] findAllIDs(ISearchScope scope) {
 		IndexManager indexManager = ModelManager.getModelManager().getIndexManager();
 		final List<String> ids = new ArrayList<String>();
 		indexManager.performConcurrentJob(new PatternSearchJob(new AllIDQueryPattern(),
 				scope, new IIndexRequestor() {
 					public void acceptMatch(IQ7Element q7Element, String key, String value) {
 						ids.add(value);
 					}
 				}), IJob.WaitUntilReady, new NullProgressMonitor());
 		return ids.toArray(new String[ids.size()]);
 	}

 	public static Map<IQ7NamedElement, List<String>> findAllTagReferences() {
 		ISearchScope scope = new AllProjectScope();
 		IndexManager indexManager = ModelManager.getModelManager().getIndexManager();
 		final Map<IQ7NamedElement, List<String>> tagsRefs = new HashMap<IQ7NamedElement, List<String>>();
 		indexManager.performConcurrentJob(new PatternSearchJob(new AllTagQueryPattern(),
 				scope, new IIndexRequestor() {
 					public void acceptMatch(IQ7Element q7Element, String key, String value) {
 						if (q7Element instanceof IQ7NamedElement) {
 							IQ7NamedElement q7NamedElement = (IQ7NamedElement) q7Element;
 							List<String> tagList = tagsRefs.get(q7NamedElement);
 							if (tagList == null) {
 								tagList = new ArrayList<String>();
 							}
 							tagList.add(value);
 							tagsRefs.put(q7NamedElement, tagList);
 						}
 					}
 				}), IJob.WaitUntilReady, new NullProgressMonitor());
 		return tagsRefs;
 	}

 	public static IQ7NamedElement[] findAllElements() {
 		return findAllElements(new AllProjectScope());
 	}

 	public static IQ7NamedElement[] findAllElements(ISearchScope scope) {
 		IndexManager indexManager = ModelManager.getModelManager().getIndexManager();
 		final IWorkspaceRoot root = ResourcesPlugin.getWorkspace().getRoot();

 		final List<IQ7NamedElement> names = new ArrayList<IQ7NamedElement>();
 		indexManager.performConcurrentJob(new PatternSearchJob(new ISearchPattern() {
 			public void findIndexMatches(Index index, IProgressMonitor monitor,
 					IIndexRequestor requestor) {
 				IPath path = index.getPath();
 				String[] names = index.queryDocumentNames();
 				for (String name : names) {
 					IQ7Element q7Element = RcpttCore.create(root.findMember(path
 							.append(new Path(name))));
 					requestor.acceptMatch(q7Element, null, null);
 				}
 			}
 		}, scope, new IIndexRequestor() {
 			public void acceptMatch(IQ7Element q7Element, String key, String value) {
 				if (q7Element instanceof IQ7NamedElement) {
 					names.add((IQ7NamedElement) q7Element);
 				}
 			}
 		}), IJob.WaitUntilReady, new NullProgressMonitor());
 		return names.toArray(new IQ7NamedElement[names.size()]);
 	}

 	public static ITestSuite[] findAllTestSuites(ISearchScope scope) {
 		IndexManager indexManager = ModelManager.getModelManager().getIndexManager();
 		final IWorkspaceRoot root = ResourcesPlugin.getWorkspace().getRoot();

 		final List<ITestSuite> result = new ArrayList<ITestSuite>();
 		indexManager.performConcurrentJob(new PatternSearchJob(new ISearchPattern() {
 			public void findIndexMatches(Index index, IProgressMonitor monitor,
 					IIndexRequestor requestor) {
 				IPath path = index.getPath();
 				String[] names = index.queryDocumentNames();
 				for (String name : names) {
 					IQ7Element q7Element = RcpttCore.create(root.findMember(path
 							.append(new Path(name))));
 					requestor.acceptMatch(q7Element, null, null);
 				}
 			}
 		}, scope, new IIndexRequestor() {
 			public void acceptMatch(IQ7Element q7Element, String key, String value) {
 				if (q7Element instanceof ITestSuite) {
 					result.add((ITestSuite) q7Element);
 				}
 			}
 		}), IJob.WaitUntilReady, new NullProgressMonitor());
 		return result.toArray(new ITestSuite[result.size()]);
 	}

 	public static IContext[] findAllContexts() {
 		return findAllContexts(new AllProjectScope());
 	}

 	public static IContext[] findAllContexts(ISearchScope scope) {
 		IndexManager indexManager = ModelManager.getModelManager().getIndexManager();
 		final IWorkspaceRoot root = ResourcesPlugin.getWorkspace().getRoot();

 		final List<IContext> result = new ArrayList<IContext>();
 		indexManager.performConcurrentJob(new PatternSearchJob(new ISearchPattern() {
 			public void findIndexMatches(Index index, IProgressMonitor monitor,
 					IIndexRequestor requestor) {
 				IPath path = index.getPath();
 				String[] names = index.queryDocumentNames();
 				for (String name : names) {
 					IQ7Element q7Element = RcpttCore.create(root.findMember(path
 							.append(new Path(name))));
 					requestor.acceptMatch(q7Element, null, null);
 				}
 			}
 		}, scope, new IIndexRequestor() {
 			public void acceptMatch(IQ7Element q7Element, String key, String value) {
 				if (q7Element instanceof IContext)
 					result.add((IContext) q7Element);
 			}
 		}), IJob.WaitUntilReady, new NullProgressMonitor());
 		return result.toArray(new IContext[result.size()]);
 	}

 	public static IQ7NamedElement getTestSuiteItemElement(TestSuiteItem item,
 			ISearchScope scope) {
 		IQ7NamedElement[] elements = findById(item.getNamedElementId(), scope,
 				new NullProgressMonitor());
 		if (elements.length == 1) {
 			return elements[0];
 		}
 		return null;
 	}

 	public static IQ7NamedElement[] getTestSuiteContent(ITestSuite testSuite)
 			throws ModelException {
 		ISearchScope scope = getSearchScope(testSuite);
 		TestSuite modifiedTestSuite = (TestSuite) testSuite.getModifiedNamedElement();
 		IQ7NamedElement[] content = new IQ7NamedElement[modifiedTestSuite.getItems()
 				.size()];
 		for (int i = 0; i < modifiedTestSuite.getItems().size(); i++) {
 			IQ7NamedElement q7Element = Q7SearchCore.getTestSuiteItemElement(
 					modifiedTestSuite.getItems().get(i), scope);
 			content[i] = q7Element;
 		}
 		return content;
 	}

 	public static ISearchScope getSearchScope(ITestSuite testSuite) {
 		IQ7Project testSuiteProject = testSuite.getQ7Project();
 		ISearchScope scope = testSuiteProject != null ? new ReferencedProjectScope(
 				testSuiteProject) : new AllProjectScope();
 		return scope;
 	}

 }
	/*******************************************************************************
	* Copyright (c) 2009, 2019 Xored Software Inc and others.
	* All rights reserved. This program and the accompanying materials
	* are made available under the terms of the Eclipse Public License v2.0
	* which accompanies this distribution, and is available at
	* https://www.eclipse.org/legal/epl-v20.html
	*
	* Contributors:
	* Xored Software Inc - initial API and implementation and/or initial documentation
	*******************************************************************************/
	package org.eclipse.rcptt.core.model.search;

	import java.util.ArrayList;
	import java.util.Arrays;
	import java.util.HashMap;
	import java.util.HashSet;
	import java.util.List;
	import java.util.Map;
	import java.util.Set;

	import org.eclipse.core.resources.IWorkspaceRoot;
	import org.eclipse.core.resources.ResourcesPlugin;
	import org.eclipse.core.runtime.IPath;
	import org.eclipse.core.runtime.IProgressMonitor;
	import org.eclipse.core.runtime.NullProgressMonitor;
	import org.eclipse.core.runtime.OperationCanceledException;
	import org.eclipse.core.runtime.Path;
	import org.eclipse.rcptt.core.model.IContext;
	import org.eclipse.rcptt.core.model.IQ7Element;
	import org.eclipse.rcptt.core.model.IQ7NamedElement;
	import org.eclipse.rcptt.core.model.IQ7Project;
	import org.eclipse.rcptt.core.model.ITestSuite;
	import org.eclipse.rcptt.core.model.ModelException;
	import org.eclipse.rcptt.core.model.index.IQ7IndexConstants;
	import org.eclipse.rcptt.core.scenario.TestSuite;
	import org.eclipse.rcptt.core.scenario.TestSuiteItem;
	import org.eclipse.rcptt.core.workspace.RcpttCore;
	import org.eclipse.rcptt.internal.core.jobs.IJob;
	import org.eclipse.rcptt.internal.core.model.ModelManager;
	import org.eclipse.rcptt.internal.core.model.ReferencedProjectScope;
	import org.eclipse.rcptt.internal.core.model.index.Index;
	import org.eclipse.rcptt.internal.core.model.index.IndexManager;

	public class Q7SearchCore {
	public static IQ7NamedElement[] findById(String id, ISearchScope scope,
	IProgressMonitor monitor) {
	return findById(id, scope, monitor, -1);
	}

	public static IQ7NamedElement findById(String id) {
	IQ7NamedElement[] result = findById(id, new AllProjectScope(), new NullProgressMonitor());
	if (result.length != 1) {
	return null;
	}
	return result[0];
	}

	public static IQ7NamedElement[] findById(String id, ISearchScope scope,
	IProgressMonitor monitor, long timeout) {

	IndexManager indexManager = ModelManager.getModelManager().getIndexManager();

	Q7NamedElementCollector collector = new Q7NamedElementCollector();

	indexManager.performConcurrentJob(new PatternSearchJob(new IDSearchPattern(id),
	scope, collector), IJob.WaitUntilReady, monitor, timeout);

	List<IQ7NamedElement> elements = new ArrayList<IQ7NamedElement>();
	for (IQ7Element e : collector.getElements()) {
	if (e instanceof IQ7NamedElement) {
	elements.add((IQ7NamedElement) e);
	}
	}
	return elements.toArray(new IQ7NamedElement[elements.size()]);
	}

	public static IQ7NamedElement[] findByName(String name, ISearchScope scope,
	IProgressMonitor monitor) {

	IndexManager indexManager = ModelManager.getModelManager().getIndexManager();

	Q7NamedElementCollector collector = new Q7NamedElementCollector();

	indexManager.performConcurrentJob(new PatternSearchJob(
	new NameSearchPattern(name), scope, collector), IJob.WaitUntilReady,
	monitor);

	List<IQ7NamedElement> elements = new ArrayList<IQ7NamedElement>();
	for (IQ7Element e : collector.getElements()) {
	if (e instanceof IQ7NamedElement) {
	elements.add((IQ7NamedElement) e);
	}
	}
	return elements.toArray(new IQ7NamedElement[elements.size()]);
	}

	public static IQ7NamedElement[] findContextUsage(String cid, ISearchScope scope,
	IProgressMonitor monitor) {

	IndexManager indexManager = ModelManager.getModelManager().getIndexManager();

	Q7NamedElementCollector collector = new Q7NamedElementCollector();

	indexManager.performConcurrentJob(new PatternSearchJob(
	new ContextRefSearchPattern(cid), scope, collector), IJob.WaitUntilReady,
	monitor);

	List<IQ7NamedElement> elements = new ArrayList<IQ7NamedElement>();
	for (IQ7Element e : collector.getElements()) {
	if (e instanceof IQ7NamedElement) {
	elements.add((IQ7NamedElement) e);
	}
	}
	return elements.toArray(new IQ7NamedElement[elements.size()]);
	}

	public static IQ7NamedElement[] findVerificationUsage(String id, ISearchScope scope,
	IProgressMonitor monitor) {

	IndexManager indexManager = ModelManager.getModelManager().getIndexManager();

	Q7NamedElementCollector collector = new Q7NamedElementCollector();

	indexManager.performConcurrentJob(new PatternSearchJob(
	new VerificationRefSearchPattern(id), scope, collector), IJob.WaitUntilReady,
	monitor);

	List<IQ7NamedElement> elements = new ArrayList<IQ7NamedElement>();
	for (IQ7Element e : collector.getElements()) {
	if (e instanceof IQ7NamedElement) {
	elements.add((IQ7NamedElement) e);
	}
	}
	return elements.toArray(new IQ7NamedElement[elements.size()]);
	}

	public static IQ7NamedElement[] findElementsWithUnusedReferences(ISearchScope scope, IProgressMonitor monitor) {
	IndexManager indexManager = ModelManager.getModelManager().getIndexManager();
	Set<String> ids = new HashSet<String>(Arrays.asList(findAllIDs(scope)));

	final List<IQ7NamedElement> result = new ArrayList<IQ7NamedElement>();
	indexManager.performConcurrentJob(new PatternSearchJob(
	new AllReferenceQueryPattern(ids, IQ7IndexConstants.CONTEXT_REF,
	IQ7IndexConstants.VERIFICATION_REF),
	scope, new IIndexRequestor() {
	public void acceptMatch(IQ7Element q7Element, String key, String value) {
	result.add((IQ7NamedElement) q7Element);
	}
	}), IJob.WaitUntilReady, new NullProgressMonitor());

	return result.toArray(new IQ7NamedElement[result.size()]);
	}

	public static IContext[] findContextsWithLinks(ISearchScope scope, Set<IPath> changed,
	IProgressMonitor monitor) {
	IndexManager indexManager = ModelManager.getModelManager().getIndexManager();
	final List<IContext> result = new ArrayList<IContext>();
	indexManager.performConcurrentJob(new PatternSearchJob(
	new AllContextWithLinksQueryPattern(changed), scope, new IIndexRequestor() {
	public void acceptMatch(IQ7Element q7Element, String key, String value) {
	// Could also collect all refernced files here.
	if (q7Element instanceof IContext) {
	result.add((IContext) q7Element);
	}
	}
	}), IJob.WaitUntilReady, new NullProgressMonitor());
	return result.toArray(new IContext[result.size()]);
	}

	public static String findNameByDocument(final IQ7Element element) {
	if (element.getParent() != null) {
	final List<String> names = new ArrayList<String>();
	if (element.getQ7Project() == null) {
	return null;
	}

	IndexManager indexManager = ModelManager.getModelManager().getIndexManager();
	final IPath path = element.getQ7Project().getPath();
	try {
	indexManager.performConcurrentJob(
	new PatternSearchJob(new PathNameSearchPattern(element.getPath()
	.removeFirstSegments(path.segmentCount()).toString()),
	new ISearchScope() {
	public IPath[] getPaths() {
	return new IPath[] { path };
	}

	public boolean contains(IPath path) {
	return false;
	}
	}, new IIndexRequestor() {
	public void acceptMatch(IQ7Element q7Element,
	String key, String value) {
	names.add(value);
	}
	}), IJob.CancelIfNotReady, new NullProgressMonitor());
	} catch (OperationCanceledException e) {
	return null;
	}
	if (names.size() == 1) {
	return names.get(0);
	}
	}
	return null;
	}

	public static String[] findContextsByDocument(final IQ7Element element) {
	if (element.getParent() != null) {
	String id = IQ7IndexConstants.CONTEXT_REF;
	final List<String> names = findItemByDocument(element, id, false);
	return names.toArray(new String[names.size()]);
	}
	return null;
	}

	public static String[] findVerificationsByDocument(final IQ7Element element) {
	if (element.getParent() != null) {
	String id = IQ7IndexConstants.VERIFICATION_REF;
	final List<String> names = findItemByDocument(element, id, false);
	return names.toArray(new String[names.size()]);
	}
	return null;
	}

	private static List<String> findItemByDocument(final IQ7Element element, String id,
	boolean allowCancel) {
	final List<String> names = new ArrayList<String>();
	if (element.getQ7Project() == null) {
	return names;
	}
	final IPath path = element.getQ7Project().getPath();
	IndexManager indexManager = ModelManager.getModelManager().getIndexManager();
	try {
	indexManager.performConcurrentJob(new PatternSearchJob(new KeyQueryPattern(
	element.getPath(), id), new ISearchScope() {
	public IPath[] getPaths() {
	return new IPath[] { path };
	}

	public boolean contains(IPath path) {
	return false;
	}
	}, new IIndexRequestor() {
	public void acceptMatch(IQ7Element q7Element, String key, String value) {
	names.add(value);
	}
	}), allowCancel ? IJob.CancelIfNotReady : IJob.WaitUntilReady,
	new NullProgressMonitor());
	} catch (OperationCanceledException e) {
	return names;
	}
	return names;
	}

	private static List<String> findItemByPath(final IPath elementPath, String id) {
	final List<String> names = new ArrayList<String>();
	final IPath path = new Path("/"+elementPath.segment(0));
	IndexManager indexManager = ModelManager.getModelManager().getIndexManager();
	indexManager.performConcurrentJob(new PatternSearchJob(new KeyQueryPattern(
	elementPath, id), new ISearchScope() {
	public IPath[] getPaths() {
	return new IPath[] { path };
	}

	public boolean contains(IPath path) {
	return false;
	}
	}, new IIndexRequestor() {
	public void acceptMatch(IQ7Element q7Element, String key, String value) {
	names.add(value);
	}
	}), IJob.WaitUntilReady, new NullProgressMonitor());
	return names;
	}

	public static String findIDByDocument(final IQ7Element element) {
	String id = IQ7IndexConstants.ID;
	List<String> names = findItemByDocument(element, id, true);

	if (names.size() == 1) {
	return names.get(0);
	}
	return null;
	}

	public static String findIDByPath(final IPath path) {
	String id = IQ7IndexConstants.ID;
	List<String> names = findItemByPath(path, id);
	if (names.size() == 1) {
	return names.get(0);
	}
	return null;
	}

	public static Boolean findIsEmptyByDocument(final IQ7Element element) {
	String id = IQ7IndexConstants.IS_EMPTY;
	List<String> names = findItemByDocument(element, id, true);

	if (names.size() == 1) {
	return Boolean.valueOf(names.get(0));
	}
	return null;
	}

	public static String findContextTypeByDocument(final IContext element) {
	String id = IQ7IndexConstants.CONTEXT_TYPE;
	List<String> names = findItemByDocument(element, id, true);
	if (names.size() == 1) {
	return names.get(0);
	}
	return null;
	}

	public static String findVerificationTypeByDocument(final IQ7Element element) {
	String id = IQ7IndexConstants.VERIFICATION_TYPE;
	List<String> names = findItemByDocument(element, id, true);
	return names.size() == 1 ? names.get(0) : null;
	}

	public static String[] findTagsByDocument(final IQ7Element element) {
	String id = IQ7IndexConstants.TAG;
	List<String> names = findItemByDocument(element, id, false);
	return names.toArray(new String[names.size()]);
	}

	public static String[] findAllNames(ISearchScope scope) {
	IndexManager indexManager = ModelManager.getModelManager().getIndexManager();
	final List<String> names = new ArrayList<String>();
	indexManager.performConcurrentJob(new PatternSearchJob(new AllNameQueryPattern(),
	scope, new IIndexRequestor() {
	public void acceptMatch(IQ7Element q7Element, String key, String value) {
	names.add(value);
	}
	}), IJob.WaitUntilReady, new NullProgressMonitor());
	return names.toArray(new String[names.size()]);
	}

	public static String[] findAllIDs(ISearchScope scope) {
	IndexManager indexManager = ModelManager.getModelManager().getIndexManager();
	final List<String> ids = new ArrayList<String>();
	indexManager.performConcurrentJob(new PatternSearchJob(new AllIDQueryPattern(),
	scope, new IIndexRequestor() {
	public void acceptMatch(IQ7Element q7Element, String key, String value) {
	ids.add(value);
	}
	}), IJob.WaitUntilReady, new NullProgressMonitor());
	return ids.toArray(new String[ids.size()]);
	}

	public static Map<IQ7NamedElement, List<String>> findAllTagReferences() {
	ISearchScope scope = new AllProjectScope();
	IndexManager indexManager = ModelManager.getModelManager().getIndexManager();
	final Map<IQ7NamedElement, List<String>> tagsRefs = new HashMap<IQ7NamedElement, List<String>>();
	indexManager.performConcurrentJob(new PatternSearchJob(new AllTagQueryPattern(),
	scope, new IIndexRequestor() {
	public void acceptMatch(IQ7Element q7Element, String key, String value) {
	if (q7Element instanceof IQ7NamedElement) {
	IQ7NamedElement q7NamedElement = (IQ7NamedElement) q7Element;
	List<String> tagList = tagsRefs.get(q7NamedElement);
	if (tagList == null) {
	tagList = new ArrayList<String>();
	}
	tagList.add(value);
	tagsRefs.put(q7NamedElement, tagList);
	}
	}
	}), IJob.WaitUntilReady, new NullProgressMonitor());
	return tagsRefs;
	}

	public static IQ7NamedElement[] findAllElements() {
	return findAllElements(new AllProjectScope());
	}

	public static IQ7NamedElement[] findAllElements(ISearchScope scope) {
	IndexManager indexManager = ModelManager.getModelManager().getIndexManager();
	final IWorkspaceRoot root = ResourcesPlugin.getWorkspace().getRoot();

	final List<IQ7NamedElement> names = new ArrayList<IQ7NamedElement>();
	indexManager.performConcurrentJob(new PatternSearchJob(new ISearchPattern() {
	public void findIndexMatches(Index index, IProgressMonitor monitor,
	IIndexRequestor requestor) {
	IPath path = index.getPath();
	String[] names = index.queryDocumentNames();
	for (String name : names) {
	IQ7Element q7Element = RcpttCore.create(root.findMember(path
	.append(new Path(name))));
	requestor.acceptMatch(q7Element, null, null);
	}
	}
	}, scope, new IIndexRequestor() {
	public void acceptMatch(IQ7Element q7Element, String key, String value) {
	if (q7Element instanceof IQ7NamedElement) {
	names.add((IQ7NamedElement) q7Element);
	}
	}
	}), IJob.WaitUntilReady, new NullProgressMonitor());
	return names.toArray(new IQ7NamedElement[names.size()]);
	}

	public static ITestSuite[] findAllTestSuites(ISearchScope scope) {
	IndexManager indexManager = ModelManager.getModelManager().getIndexManager();
	final IWorkspaceRoot root = ResourcesPlugin.getWorkspace().getRoot();

	final List<ITestSuite> result = new ArrayList<ITestSuite>();
	indexManager.performConcurrentJob(new PatternSearchJob(new ISearchPattern() {
	public void findIndexMatches(Index index, IProgressMonitor monitor,
	IIndexRequestor requestor) {
	IPath path = index.getPath();
	String[] names = index.queryDocumentNames();
	for (String name : names) {
	IQ7Element q7Element = RcpttCore.create(root.findMember(path
	.append(new Path(name))));
	requestor.acceptMatch(q7Element, null, null);
	}
	}
	}, scope, new IIndexRequestor() {
	public void acceptMatch(IQ7Element q7Element, String key, String value) {
	if (q7Element instanceof ITestSuite) {
	result.add((ITestSuite) q7Element);
	}
	}
	}), IJob.WaitUntilReady, new NullProgressMonitor());
	return result.toArray(new ITestSuite[result.size()]);
	}

	public static IContext[] findAllContexts() {
	return findAllContexts(new AllProjectScope());
	}

	public static IContext[] findAllContexts(ISearchScope scope) {
	IndexManager indexManager = ModelManager.getModelManager().getIndexManager();
	final IWorkspaceRoot root = ResourcesPlugin.getWorkspace().getRoot();

	final List<IContext> result = new ArrayList<IContext>();
	indexManager.performConcurrentJob(new PatternSearchJob(new ISearchPattern() {
	public void findIndexMatches(Index index, IProgressMonitor monitor,
	IIndexRequestor requestor) {
	IPath path = index.getPath();
	String[] names = index.queryDocumentNames();
	for (String name : names) {
	IQ7Element q7Element = RcpttCore.create(root.findMember(path
	.append(new Path(name))));
	requestor.acceptMatch(q7Element, null, null);
	}
	}
	}, scope, new IIndexRequestor() {
	public void acceptMatch(IQ7Element q7Element, String key, String value) {
	if (q7Element instanceof IContext)
	result.add((IContext) q7Element);
	}
	}), IJob.WaitUntilReady, new NullProgressMonitor());
	return result.toArray(new IContext[result.size()]);
	}

	public static IQ7NamedElement getTestSuiteItemElement(TestSuiteItem item,
	ISearchScope scope) {
	IQ7NamedElement[] elements = findById(item.getNamedElementId(), scope,
	new NullProgressMonitor());
	if (elements.length == 1) {
	return elements[0];
	}
	return null;
	}

	public static IQ7NamedElement[] getTestSuiteContent(ITestSuite testSuite)
	throws ModelException {
	ISearchScope scope = getSearchScope(testSuite);
	TestSuite modifiedTestSuite = (TestSuite) testSuite.getModifiedNamedElement();
	IQ7NamedElement[] content = new IQ7NamedElement[modifiedTestSuite.getItems()
	.size()];
	for (int i = 0; i < modifiedTestSuite.getItems().size(); i++) {
	IQ7NamedElement q7Element = Q7SearchCore.getTestSuiteItemElement(
	modifiedTestSuite.getItems().get(i), scope);
	content[i] = q7Element;
	}
	return content;
	}

	public static ISearchScope getSearchScope(ITestSuite testSuite) {
	IQ7Project testSuiteProject = testSuite.getQ7Project();
	ISearchScope scope = testSuiteProject != null ? new ReferencedProjectScope(
	testSuiteProject) : new AllProjectScope();
	return scope;
	}

	}