Part of MOB-436: Cluster-wide Locking Service: Implement DB Changes and Service

- Unit test not checked in as it requires some schema change work that has been done manually - Moved activities DAO code and renamed data services to DAOs (as per iBatis and Wikipedia, etc) - DAO code should now go into org.alfresco.repo.domain... - DAO components are bean:xyzDAO and class:XyzDAO - Entity beans are XyzEntity, etc git-svn-id: https://svn.alfresco.com/repos/alfresco-enterprise/alfresco/HEAD/root@13922 c4b6b30b-aa2e-2d43-bbcb-ca4b014f7261
2025-08-07 17:49:17 +00:00 · 2009-04-09 15:27:19 +00:00
parent 7205e4b956
commit 1fcdfc0a5d
33 changed files with 1136 additions and 226 deletions
--- a/source/java/org/alfresco/repo/domain/locks/LockDetails.java
+++ b/source/java/org/alfresco/repo/domain/locks/LockDetails.java
@@ -0,0 +1,99 @@
+/*
+ * Copyright (C) 2005-2009 Alfresco Software Limited.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation; either version 2
+ * of the License, or (at your option) any later version.
+
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
+
+ * As a special exception to the terms and conditions of version 2.0 of 
+ * the GPL, you may redistribute this Program in connection with Free/Libre 
+ * and Open Source Software ("FLOSS") applications as described in Alfresco's 
+ * FLOSS exception.  You should have recieved a copy of the text describing 
+ * the FLOSS exception, and it is also available here: 
+ * http://www.alfresco.com/legal/licensing"
+ */
+package org.alfresco.repo.domain.locks;
+
+import org.alfresco.service.namespace.QName;
+
+/**
+ * Class to contain details regarding a lock.  A lock is specific to a given
+ * qualified name.  For any given lock, there may exist an <b>EXCLUSIVE</b>
+ * lock <u>or</u> several <b>SHARED</b> locks.
+ * 
+ * @author Derek Hulley
+ * @since 3.2
+ */
+public class LockDetails
+{
+    /**
+     * The type of lock
+     * 
+     * @author Derek Hulley
+     * @since 3.2
+     */
+    public enum LockType
+    {
+        /**
+         * A lock held by a specific transaction.  No other (exclusive or shared) locks
+         * may be held for the same qualified name.
+         */
+        EXCLUSIVE,
+        /**
+         * A lock that may be held by several transactions when no exclusive lock is held
+         * for the same qualified name.
+         */
+        SHARED;
+    }
+    
+    private final String txnId;
+    private final QName lockQName;
+    private final LockType lockType;
+
+    /**
+     * 
+     * @param txnId             the transaction holding the lock
+     * @param lockQName         the qualified name of the lock
+     * @param lockType          the type of lock
+     */
+    public LockDetails(String txnId, QName lockQName, LockType lockType)
+    {
+        this.txnId = txnId;
+        this.lockQName = lockQName;
+        this.lockType = lockType;
+    }
+
+    /**
+     * @return                  Returns the transaction holding the lock
+     */
+    public String getTxnId()
+    {
+        return txnId;
+    }
+
+    /**
+     * @return                  Returns the qualified name of the lock
+     */
+    public QName getLockQName()
+    {
+        return lockQName;
+    }
+
+    /**
+     * @return                  Returns the lock type
+     */
+    public LockType getLockType()
+    {
+        return lockType;
+    }
+}