| /* |
| * Copyright (c) 2010-2012, 2015 Eike Stepper (Loehne, 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: |
| * Ibrahim Sallam - initial API and implementation |
| */ |
| package org.eclipse.emf.cdo.server.internal.objectivity.db; |
| |
| import org.eclipse.emf.cdo.server.internal.objectivity.bundle.OM; |
| import org.eclipse.emf.cdo.server.internal.objectivity.schema.ObjyBranchManager; |
| import org.eclipse.emf.cdo.server.internal.objectivity.schema.ObjyLockAreaManager; |
| import org.eclipse.emf.cdo.server.internal.objectivity.schema.ObjyResourceList; |
| import org.eclipse.emf.cdo.server.internal.objectivity.utils.ObjyDb; |
| |
| import org.eclipse.net4j.util.om.trace.ContextTracer; |
| |
| import com.objy.db.CannotUpgradeLockException; |
| import com.objy.db.app.Session; |
| import com.objy.db.app.oo; |
| import com.objy.db.app.ooContObj; |
| import com.objy.db.app.ooId; |
| |
| import java.util.Set; |
| import java.util.concurrent.ConcurrentHashMap; |
| |
| /* |
| * @author ibrahim |
| */ |
| public class ObjySession extends Session |
| { |
| private static final ContextTracer TRACER_INFO = new ContextTracer(OM.INFO, ObjySession.class); |
| |
| private ObjyObjectManager objectManger = null; |
| |
| private ObjyResourceList resourceList = null; |
| |
| private ObjyBranchManager branchManager = null; |
| |
| private ObjyLockAreaManager lockAreaManager = null; |
| |
| protected String sessionName; |
| |
| protected ConcurrentHashMap<String, ObjySession> sessionPool; |
| |
| protected boolean available; |
| |
| public ObjySession(String name, ConcurrentHashMap<String, ObjySession> pool, ObjyConnection objyConnection) |
| { |
| super(objyConnection.getMinSessionCacheSize(), objyConnection.getMaxSessionCacheSize()); |
| setThreadPolicy(oo.THREAD_POLICY_UNRESTRICTED); |
| // setHotMode(false); |
| setIndexMode(oo.EXPLICIT_UPDATE); |
| sessionName = name; |
| sessionPool = pool; |
| objectManger = new ObjyObjectManager(objyConnection.getDefaultPlacementManager()); |
| } |
| |
| public ObjyObjectManager getObjectManager() |
| { |
| return objectManger; |
| } |
| |
| public ObjyBranchManager getBranchManager(String repositoryName) |
| { |
| if (branchManager == null) |
| { |
| branchManager = ObjyDb.getOrCreateBranchManager(repositoryName); |
| } |
| return branchManager; |
| } |
| |
| public ObjyLockAreaManager getLockAreaManager(String repositoryName) |
| { |
| if (lockAreaManager == null) |
| { |
| lockAreaManager = ObjyDb.getOrCreateLockAreaManager(repositoryName); |
| } |
| return lockAreaManager; |
| } |
| |
| public void setAvailable(boolean value) |
| { |
| available = value; |
| } |
| |
| public boolean isAvailable() |
| { |
| return available; |
| } |
| |
| public String getName() |
| { |
| return sessionName; |
| } |
| |
| public void setName(String name) |
| { |
| sessionName = name; |
| } |
| |
| public ConcurrentHashMap<String, ObjySession> getPool() |
| { |
| return sessionPool; |
| } |
| |
| public ObjyResourceList getResourceList(String repositoryName) |
| { |
| if (resourceList == null) |
| { |
| resourceList = new ObjyResourceList(this, ObjyDb.getOrCreateResourceList(repositoryName)); |
| } |
| return resourceList; |
| } |
| |
| @Override |
| public synchronized void returnSessionToPool() |
| { |
| // System.out.println(">>> IS: returning session: " + session.getName()); |
| leave(); |
| setAvailable(true); |
| } |
| |
| @Override |
| public synchronized void terminate() |
| { |
| // System.out.println("OBJY>>> Terminating session... " + sessionName + " - " + toString()); |
| resourceList = null; |
| super.terminate(); |
| } |
| |
| public void lockContainers(Set<ooId> containerToLocks) |
| { |
| // Locks all containers for modified objects |
| if (!containerToLocks.isEmpty()) |
| { |
| ooId idsToLock[] = containerToLocks.toArray(new ooId[containerToLocks.size()]); |
| // 100920 - IS: for debugging... TBR. |
| // for (ooId id : idsToLock) |
| // { |
| // TRACER_INFO.trace("Locking container: " + id.getStoreString()); |
| // } |
| |
| int count = 10; |
| while (0 != count--) |
| { |
| try |
| { |
| openContainers(idsToLock, oo.openReadWrite); |
| break; |
| } |
| catch (CannotUpgradeLockException cule) |
| { |
| // refresh containers. |
| for (ooId contId : idsToLock) |
| { |
| ooContObj contObj = (ooContObj)getFD().objectFrom(contId); |
| contObj.refresh(oo.WRITE); |
| } |
| } |
| catch (Exception e) |
| { |
| TRACER_INFO.trace("Locking problem try again : " + e.getMessage()); |
| // this.ensureNewBeginSession(); |
| if (!isOpen()) |
| { |
| TRACER_INFO.trace("Objy session is not open"); |
| } |
| try |
| { |
| wait(500); |
| } |
| catch (InterruptedException ex) |
| { |
| } |
| } |
| } |
| } |
| } |
| |
| } |