Checkpoint checkin of patch code.

git-svn-id: https://svn.alfresco.com/repos/alfresco-enterprise/alfresco/HEAD/root@2119 c4b6b30b-aa2e-2d43-bbcb-ca4b014f7261

source/java/org/alfresco/repo/admin/patch/PatchDaoService.java

@@ -0,0 +1,54 @@
+/*
+ * 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.repo.admin.patch;
+
+import java.util.List;
+
+import org.alfresco.repo.domain.AppliedPatch;
+
+/**
+ * Provides data access support for patch persistence. 
+ * 
+ * @since 1.2
+ * @author Derek Hulley
+ */
+public interface PatchDaoService
+{
+    /**
+     * Creates and saves a new instance of the patch.  This will not have all the mandatory
+     * properties set - only the ID.
+     * 
+     * @param id the unique key
+     * @return Returns a new instance that can be manipulated
+     */
+    public AppliedPatch newAppliedPatch(String id);
+    
+    /**
+     * Retrieve an existing patch
+     * 
+     * @param id the patch unique ID
+     * @return Returns the patch instance or null if one has not been persisted
+     */
+    public AppliedPatch getAppliedPatch(String id);
+    
+    /**
+     * Get a list of all applied patches
+     * 
+     * @return Returns a list of all applied patches
+     */
+    public List<AppliedPatch> getAppliedPatches();
+}