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/repo/content/ContentStoreCleanupJob.java

@@ -0,0 +1,117 @@
+/*
+ * 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.content;
+
+import java.util.Set;
+
+import org.alfresco.error.AlfrescoRuntimeException;
+import org.alfresco.service.cmr.repository.ContentReader;
+import org.alfresco.service.cmr.search.SearchService;
+import org.quartz.Job;
+import org.quartz.JobDataMap;
+import org.quartz.JobExecutionContext;
+import org.quartz.JobExecutionException;
+
+/**
+ * Removes all content form the store that is not referenced by any content node.
+ * <p>
+ * The following parameters are required:
+ * <ul>
+ *   <li><b>contentStore</b>: The content store bean to clean up</li>
+ *   <li><b>searcher</b>: The index searcher that searches for content in the store</li>
+ *   <li><b>protectHours</b>: The number of hours to protect content that isn't referenced</li>
+ * </ul>
+ * 
+ * @author Derek Hulley
+ */
+public class ContentStoreCleanupJob implements Job
+{
+    /**
+     * Gets all content URLs from the store, checks if it is in use by any node
+     * and deletes those that aren't.
+     */
+    public void execute(JobExecutionContext context) throws JobExecutionException
+    {
+        JobDataMap jobData = context.getJobDetail().getJobDataMap();
+        // extract the content store to use
+        Object contentStoreObj = jobData.get("contentStore");
+        if (contentStoreObj == null || !(contentStoreObj instanceof ContentStore))
+        {
+            throw new AlfrescoRuntimeException(
+                    "ContentStoreCleanupJob data must contain valid 'contentStore' reference");
+        }
+        ContentStore contentStore = (ContentStore) contentStoreObj;
+        // extract the search to use
+        Object searcherObj = jobData.get("searcher");
+        if (searcherObj == null || !(searcherObj instanceof SearchService))
+        {
+            throw new AlfrescoRuntimeException(
+                    "ContentStoreCleanupJob data must contain valid 'searcher' reference");
+        }
+        SearchService searcher = (SearchService) searcherObj;
+        // get the number of hourse to protect content
+        Object protectHoursObj = jobData.get("protectHours");
+        if (protectHoursObj == null || !(protectHoursObj instanceof String))
+        {
+            throw new AlfrescoRuntimeException(
+                    "ContentStoreCleanupJob data must contain valid 'protectHours' value");
+        }
+        long protectHours = 24L;
+        try
+        {
+            protectHours = Long.parseLong((String) protectHoursObj);
+        }
+        catch (NumberFormatException e)
+        {
+            throw new AlfrescoRuntimeException(
+                    "ContentStoreCleanupJob data 'protectHours' value is not a valid integer");
+        }
+        
+        long protectMillis = protectHours * 3600L * 1000L;   // 3600s in an hour; 1000ms in a second
+        long now = System.currentTimeMillis();
+        long lastModifiedSafeTimeMs = (now - protectMillis);   // able to remove anything modified before this
+        
+        // get all URLs in the store
+        Set<String> contentUrls = contentStore.getUrls();
+        for (String contentUrl : contentUrls)
+        {
+            // TODO here we need to get hold of all the orphaned content in this store
+            
+            // not found - it is not in the repo, but check that it is old enough to delete
+            ContentReader reader = contentStore.getReader(contentUrl);
+            if (reader == null || !reader.exists())
+            {
+                // gone missing in the meantime
+                continue;
+            }
+            long lastModified = reader.getLastModified();
+            if (lastModified >= lastModifiedSafeTimeMs)
+            {
+                // not old enough
+                continue;
+            }
+            
+            // it is not in the repo and is old enough
+            boolean result = contentStore.delete(contentUrl);
+            System.out.println(contentUrl + ": " + Boolean.toString(result));
+        }       
+        
+        // TODO for now throw this exception to ensure that this job does not get run until
+        //      the orphaned content can be correctly retrieved
+        throw new UnsupportedOperationException();
+    }
+}