| /** |
| * Copyright (c) 2004 - 2011 Eike Stepper (Berlin, Germany) 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: |
| * Eike Stepper - initial API and implementation |
| */ |
| package org.eclipse.emf.cdo.server; |
| |
| import org.eclipse.emf.cdo.common.CDOCommonRepository; |
| import org.eclipse.emf.cdo.common.branch.CDOBranchPoint; |
| import org.eclipse.emf.cdo.common.revision.CDORevision; |
| import org.eclipse.emf.cdo.common.revision.CDORevisionManager; |
| import org.eclipse.emf.cdo.common.revision.CDORevisionProvider; |
| import org.eclipse.emf.cdo.internal.server.Repository; |
| import org.eclipse.emf.cdo.internal.server.ServerCDOView; |
| import org.eclipse.emf.cdo.internal.server.SessionManager; |
| import org.eclipse.emf.cdo.internal.server.bundle.OM; |
| import org.eclipse.emf.cdo.internal.server.embedded.EmbeddedClientSessionConfiguration; |
| import org.eclipse.emf.cdo.internal.server.syncing.FailoverParticipant; |
| import org.eclipse.emf.cdo.internal.server.syncing.OfflineClone; |
| import org.eclipse.emf.cdo.internal.server.syncing.RepositorySynchronizer; |
| import org.eclipse.emf.cdo.server.embedded.CDOSessionConfiguration; |
| import org.eclipse.emf.cdo.session.CDOSessionConfigurationFactory; |
| import org.eclipse.emf.cdo.spi.common.branch.CDOBranchUtil; |
| import org.eclipse.emf.cdo.spi.common.revision.ManagedRevisionProvider; |
| import org.eclipse.emf.cdo.spi.server.InternalRepositorySynchronizer; |
| import org.eclipse.emf.cdo.spi.server.InternalSession; |
| import org.eclipse.emf.cdo.spi.server.InternalStore; |
| import org.eclipse.emf.cdo.spi.server.RepositoryFactory; |
| import org.eclipse.emf.cdo.view.CDOView; |
| |
| import org.eclipse.net4j.util.ObjectUtil; |
| import org.eclipse.net4j.util.container.IManagedContainer; |
| import org.eclipse.net4j.util.lifecycle.LifecycleUtil; |
| import org.eclipse.net4j.util.om.OMPlatform; |
| |
| import org.w3c.dom.Document; |
| import org.w3c.dom.Element; |
| import org.w3c.dom.Node; |
| import org.w3c.dom.NodeList; |
| import org.xml.sax.SAXException; |
| |
| import javax.xml.parsers.DocumentBuilder; |
| import javax.xml.parsers.DocumentBuilderFactory; |
| import javax.xml.parsers.ParserConfigurationException; |
| |
| import java.io.File; |
| import java.io.IOException; |
| import java.util.ArrayList; |
| import java.util.Iterator; |
| import java.util.List; |
| import java.util.Map; |
| |
| /** |
| * @author Eike Stepper |
| * @apiviz.exclude |
| */ |
| public final class CDOServerUtil |
| { |
| private CDOServerUtil() |
| { |
| } |
| |
| /** |
| * @since 4.0 |
| */ |
| public static CDOView openView(ISession session, CDOBranchPoint branchPoint, boolean legacyModeEnabled, |
| CDORevisionProvider revisionProvider) |
| { |
| return new ServerCDOView((InternalSession)session, branchPoint, legacyModeEnabled, revisionProvider); |
| } |
| |
| /** |
| * @since 4.0 |
| */ |
| public static CDOView openView(ISession session, CDOBranchPoint branchPoint, boolean legacyModeEnabled) |
| { |
| CDORevisionManager revisionManager = session.getManager().getRepository().getRevisionManager(); |
| CDORevisionProvider revisionProvider = new ManagedRevisionProvider(revisionManager, branchPoint); |
| return new ServerCDOView((InternalSession)session, branchPoint, legacyModeEnabled, revisionProvider); |
| } |
| |
| /** |
| * @since 4.0 |
| */ |
| public static CDOView openView(IView view, boolean legacyModeEnabled) |
| { |
| ISession session = view.getSession(); |
| CDOBranchPoint branchPoint = CDOBranchUtil.copyBranchPoint(view); |
| return openView(session, branchPoint, legacyModeEnabled, view); |
| } |
| |
| /** |
| * @since 4.0 |
| */ |
| public static CDOView openView(IStoreAccessor.CommitContext commitContext, boolean legacyModeEnabled) |
| { |
| ISession session = commitContext.getTransaction().getSession(); |
| CDOBranchPoint branchPoint = commitContext.getBranchPoint(); |
| return openView(session, branchPoint, legacyModeEnabled, commitContext); |
| } |
| |
| /** |
| * @since 3.0 |
| */ |
| public static CDOSessionConfiguration createSessionConfiguration() |
| { |
| return new EmbeddedClientSessionConfiguration(); |
| } |
| |
| /** |
| * @since 3.0 |
| */ |
| public static ISessionManager createSessionManager() |
| { |
| return new SessionManager(); |
| } |
| |
| public static IRepository createRepository(String name, IStore store, Map<String, String> props) |
| { |
| Repository repository = new Repository.Default(); |
| initRepository(repository, name, store, props); |
| return repository; |
| } |
| |
| /** |
| * @since 3.0 |
| */ |
| public static IRepositorySynchronizer createRepositorySynchronizer( |
| CDOSessionConfigurationFactory remoteSessionConfigurationFactory) |
| { |
| RepositorySynchronizer synchronizer = new RepositorySynchronizer(); |
| synchronizer.setRemoteSessionConfigurationFactory(remoteSessionConfigurationFactory); |
| return synchronizer; |
| } |
| |
| /** |
| * @since 3.0 |
| */ |
| public static ISynchronizableRepository createOfflineClone(String name, IStore store, Map<String, String> props, |
| IRepositorySynchronizer synchronizer) |
| { |
| OfflineClone repository = new OfflineClone(); |
| initRepository(repository, name, store, props); |
| repository.setSynchronizer((InternalRepositorySynchronizer)synchronizer); |
| return repository; |
| } |
| |
| /** |
| * @since 4.0 |
| */ |
| public static ISynchronizableRepository createFailoverParticipant(String name, IStore store, |
| Map<String, String> props, IRepositorySynchronizer synchronizer, boolean master, boolean allowBackupCommits) |
| { |
| FailoverParticipant repository = new FailoverParticipant(); |
| initRepository(repository, name, store, props); |
| repository.setSynchronizer((InternalRepositorySynchronizer)synchronizer); |
| repository.setType(master ? CDOCommonRepository.Type.MASTER : CDOCommonRepository.Type.BACKUP); |
| return repository; |
| } |
| |
| /** |
| * @since 3.0 |
| */ |
| public static ISynchronizableRepository createFailoverParticipant(String name, IStore store, |
| Map<String, String> props, IRepositorySynchronizer synchronizer, boolean master) |
| { |
| return createFailoverParticipant(name, store, props, synchronizer, master, false); |
| } |
| |
| /** |
| * @since 4.0 |
| */ |
| public static ISynchronizableRepository createFailoverParticipant(String name, IStore store, |
| Map<String, String> props, IRepositorySynchronizer synchronizer) |
| { |
| return createFailoverParticipant(name, store, props, synchronizer, false); |
| } |
| |
| /** |
| * @since 4.0 |
| */ |
| public static ISynchronizableRepository createFailoverParticipant(String name, IStore store, Map<String, String> props) |
| { |
| return createFailoverParticipant(name, store, props, null); |
| } |
| |
| private static void initRepository(Repository repository, String name, IStore store, Map<String, String> props) |
| { |
| repository.setName(name); |
| repository.setStore((InternalStore)store); |
| repository.setProperties(props); |
| } |
| |
| public static void addRepository(IManagedContainer container, IRepository repository) |
| { |
| container.putElement(RepositoryFactory.PRODUCT_GROUP, RepositoryFactory.TYPE, repository.getName(), repository); |
| LifecycleUtil.activate(repository); |
| } |
| |
| public static IRepository getRepository(IManagedContainer container, String name) |
| { |
| return RepositoryFactory.get(container, name); |
| } |
| |
| public static Element getRepositoryConfig(String repositoryName) throws ParserConfigurationException, SAXException, |
| IOException |
| { |
| File configFile = OMPlatform.INSTANCE.getConfigFile("cdo-server.xml"); //$NON-NLS-1$ |
| |
| DocumentBuilderFactory factory = DocumentBuilderFactory.newInstance(); |
| DocumentBuilder builder = factory.newDocumentBuilder(); |
| Document document = builder.parse(configFile); |
| NodeList elements = document.getElementsByTagName("repository"); //$NON-NLS-1$ |
| for (int i = 0; i < elements.getLength(); i++) |
| { |
| Node node = elements.item(i); |
| if (node instanceof Element) |
| { |
| Element element = (Element)node; |
| String name = element.getAttribute("name"); //$NON-NLS-1$ |
| if (ObjectUtil.equals(name, repositoryName)) |
| { |
| return element; |
| } |
| } |
| } |
| |
| throw new IllegalStateException("Repository config not found: " + repositoryName); //$NON-NLS-1$ |
| } |
| |
| /** |
| * @author Eike Stepper |
| * @since 2.0 |
| * @apiviz.exclude |
| */ |
| public static abstract class RepositoryReadAccessValidator implements IRepository.ReadAccessHandler |
| { |
| public RepositoryReadAccessValidator() |
| { |
| } |
| |
| public void handleRevisionsBeforeSending(ISession session, CDORevision[] revisions, |
| List<CDORevision> additionalRevisions) throws RuntimeException |
| { |
| List<String> violations = new ArrayList<String>(); |
| for (CDORevision revision : revisions) |
| { |
| String violation = validate(session, revision); |
| if (violation != null) |
| { |
| violations.add(violation); |
| } |
| } |
| |
| if (!violations.isEmpty()) |
| { |
| throwException(session, violations); |
| } |
| |
| for (Iterator<CDORevision> it = additionalRevisions.iterator(); it.hasNext();) |
| { |
| CDORevision revision = it.next(); |
| String violation = validate(session, revision); |
| if (violation != null) |
| { |
| OM.LOG.info("Revision can not be delivered to " + session + ": " + violation); //$NON-NLS-1$ //$NON-NLS-2$ |
| it.remove(); |
| } |
| } |
| } |
| |
| protected void throwException(ISession session, List<String> violations) throws RuntimeException |
| { |
| StringBuilder builder = new StringBuilder(); |
| builder.append("Revisions can not be delivered to "); //$NON-NLS-1$ |
| builder.append(session); |
| builder.append(":"); //$NON-NLS-1$ |
| for (String violation : violations) |
| { |
| builder.append("\n- "); //$NON-NLS-1$ |
| builder.append(violation); |
| } |
| |
| throwException(builder.toString()); |
| } |
| |
| protected void throwException(String message) throws RuntimeException |
| { |
| throw new IllegalStateException(message); |
| } |
| |
| protected abstract String validate(ISession session, CDORevision revision); |
| } |
| } |