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/PatchService.java

@@ -0,0 +1,58 @@
+/*
+ * 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.service.cmr.admin.PatchInfo;
+
+/**
+ * Manages patches applied against the repository.
+ * <p>
+ * Patches are injected into this class and any attempted applications are recorded
+ * for later auditing.
+ * 
+ * @since 1.2
+ * @author Derek Hulley
+ */
+public interface PatchService
+{
+    /**
+     * Set the complete list of patches.  All patch IDs must remain static for the duration their
+     * existence.  This allows us to recognise the 
+     * 
+     * @param patches the complete list of patches (either applied or not)
+     */
+    public void setPatches(List<Patch> patches);
+    
+    /**
+     * Get a list of all previously applied patches
+     * 
+     * @return Returns a list of patch application information
+     */
+    public List<PatchInfo> getAppliedPatches();
+    
+    /**
+     * Apply all outstanding patches that are relevant to the repo.
+     * If there is a failure, then the patches that were applied will remain so,
+     * but the process will not attempt to apply any further patches.
+     * 
+     * @return Returns true if all outstanding patches were applied, or false if the process
+     *      was termintated before all patches could be applied.
+     */
+    public boolean applyOutstandingPatches();
+}