Moving to root below branch label

git-svn-id: https://svn.alfresco.com/repos/alfresco-enterprise/alfresco/HEAD/root@2005 c4b6b30b-aa2e-2d43-bbcb-ca4b014f7261

source/java/org/alfresco/service/cmr/version/Version.java

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+/*
+ * Copyright (C) 2005 Alfresco, Inc.
+ *
+ * Licensed under the Mozilla Public License version 1.1 
+ * with a permitted attribution clause. You may obtain a
+ * copy of the License at
+ *
+ *   http://www.alfresco.org/legal/license.txt
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND,
+ * either express or implied. See the License for the specific
+ * language governing permissions and limitations under the
+ * License.
+ */
+package org.alfresco.service.cmr.version;
+
+import java.io.Serializable;
+import java.util.Date;
+import java.util.Map;
+
+import org.alfresco.service.cmr.repository.NodeRef;
+
+
+/**
+ * Version interface.
+ * 
+ * Allows access to version property values and frozen state node references.
+ * The version history tree can also be navigated.
+ * 
+ * @author Roy Wetherall
+ */
+public interface Version extends Serializable
+{
+    /**
+     * Names of the system version properties
+     */
+    public static final String PROP_DESCRIPTION = "description";
+    
+    /**
+     * Helper method to get the created date from the version property data.
+     * 
+     * @return  the date the version was created
+     */
+    public Date getCreatedDate();
+    
+    /**
+     * Helper method to get the creator of the version.
+     * 
+     * @return  the creator of the version
+     */
+    public String getCreator();
+
+    /**
+     * Helper method to get the version label from the version property data.
+     * 
+     * @return  the version label
+     */
+    public String getVersionLabel();
+    
+    /**
+     * Helper method to get the version type.
+     * 
+     * @return  the value of the version type as an enum value
+     */
+    public VersionType getVersionType();
+    
+    /**
+     * Helper method to get the version description.
+     * 
+     * @return the version description
+     */
+    public String getDescription();
+
+    /**
+     * Get the map containing the version property values
+     * 
+     * @return  the map containing the version properties
+     */
+    public Map<String, Serializable> getVersionProperties();
+    
+    /**
+     * Gets the value of a named version property.
+     * 
+     * @param name  the name of the property
+     * @return      the value of the property
+     * 
+     */
+    public Serializable getVersionProperty(String name);
+
+    /**
+     * Gets a reference to the node that this version was created from.
+     * <p>
+     * Note that this reference will be to the current state of the versioned
+     * node which may now correspond to a later version.
+     * 
+     * @return  a node reference
+     */
+    public NodeRef getVersionedNodeRef();
+    
+    /**
+     * Gets the reference to the node that contains the frozen state of the
+     * version.
+     * 
+     * @return  a node reference
+     */
+    public NodeRef getFrozenStateNodeRef();
+}