| /* |
| * Copyright (c) 2011-2013, 2016 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: |
| * Caspar De Groot - initial API and implementation |
| */ |
| package org.eclipse.emf.cdo.server.internal.db4o; |
| |
| import org.eclipse.emf.cdo.common.branch.CDOBranch; |
| import org.eclipse.emf.cdo.common.branch.CDOBranchManager; |
| import org.eclipse.emf.cdo.common.branch.CDOBranchPoint; |
| import org.eclipse.emf.cdo.common.id.CDOID; |
| import org.eclipse.emf.cdo.common.id.CDOIDUtil; |
| import org.eclipse.emf.cdo.common.lock.CDOLockUtil; |
| import org.eclipse.emf.cdo.common.lock.IDurableLockingManager.LockArea; |
| import org.eclipse.emf.cdo.common.lock.IDurableLockingManager.LockGrade; |
| import org.eclipse.emf.cdo.server.db4o.IDB4OStore; |
| |
| import java.util.HashMap; |
| import java.util.LinkedList; |
| import java.util.List; |
| import java.util.Map; |
| |
| /** |
| * @author Caspar De Groot |
| */ |
| public class DB4OLockArea |
| { |
| private static Map<LockArea, DB4OLockArea> map = new HashMap<LockArea, DB4OLockArea>(); |
| |
| private String id; |
| |
| private String userID; |
| |
| private long timestamp; |
| |
| private int branchID; |
| |
| private boolean readOnly; |
| |
| private List<DB4OLockEntry> lockEntries = new LinkedList<DB4OLockEntry>(); |
| |
| public static DB4OLockArea getPrimitiveLockArea(LockArea lockArea) |
| { |
| DB4OLockArea primitive = map.get(lockArea); |
| if (primitive == null) |
| { |
| primitive = new DB4OLockArea(); |
| } |
| |
| primitive.id = lockArea.getDurableLockingID(); |
| primitive.userID = lockArea.getUserID(); |
| primitive.timestamp = lockArea.getTimeStamp(); |
| primitive.branchID = lockArea.getBranch().getID(); |
| primitive.readOnly = lockArea.isReadOnly(); |
| |
| List<DB4OLockEntry> newList = DB4OLockEntry.getPrimitiveLockEntries(primitive, lockArea.getLocks()); |
| primitive.lockEntries = newList; |
| |
| return primitive; |
| } |
| |
| public static LockArea getLockArea(IDB4OStore store, DB4OLockArea primitive) |
| { |
| // Reconstruct the branchpoint |
| // |
| CDOBranchManager branchManager = store.getRepository().getBranchManager(); |
| CDOBranch branch = branchManager.getBranch(primitive.branchID); |
| CDOBranchPoint branchpoint = branch.getPoint(primitive.timestamp); |
| |
| // Reconstruct the lockMap |
| // |
| Map<CDOID, LockGrade> lockMap = CDOIDUtil.createMap(); |
| for (DB4OLockEntry entry : primitive.getLockEntries()) |
| { |
| CDOID cdoid = CDOIDUtil.createLong(entry.getCdoID()); |
| LockGrade lockGrade = LockGrade.get(entry.getLockGrade()); |
| lockMap.put(cdoid, lockGrade); |
| } |
| |
| LockArea lockArea = CDOLockUtil.createLockArea(primitive.id, primitive.userID, branchpoint, primitive.readOnly, lockMap); |
| map.put(lockArea, primitive); |
| return lockArea; |
| } |
| |
| public void setId(String id) |
| { |
| this.id = id; |
| } |
| |
| public String getId() |
| { |
| return id; |
| } |
| |
| public String getUserID() |
| { |
| return userID; |
| } |
| |
| public long getTimestamp() |
| { |
| return timestamp; |
| } |
| |
| public int getBranchID() |
| { |
| return branchID; |
| } |
| |
| public List<DB4OLockEntry> getLockEntries() |
| { |
| return lockEntries; |
| } |
| } |