Fixes for remote, but will not work with the current version of Jackrabbit.

[gpl/argeo-slc.git] / runtime / org.argeo.slc.support.jcr / src / main / java / org / argeo / slc / jcr / execution / JcrAgent.java

diff --git a/runtime/org.argeo.slc.support.jcr/src/main/java/org/argeo/slc/jcr/execution/JcrAgent.java b/runtime/org.argeo.slc.support.jcr/src/main/java/org/argeo/slc/jcr/execution/JcrAgent.java
index 9327f8b6abd47f6a9650819d2b5419d65ac74627..008b1c5f1bb9c9364a558ca99cfec44fa02987f9 100644 (file)
--- a/runtime/org.argeo.slc.support.jcr/src/main/java/org/argeo/slc/jcr/execution/JcrAgent.java
+++ b/runtime/org.argeo.slc.support.jcr/src/main/java/org/argeo/slc/jcr/execution/JcrAgent.java
@@ -1,64 +1,137 @@
+/*
+ * Copyright (C) 2007-2012 Argeo GmbH
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *         http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * 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.argeo.slc.jcr.execution;
 
-import java.util.List;
+import java.net.InetAddress;
+import java.net.UnknownHostException;
 import java.util.UUID;
 
 import javax.jcr.Node;
+import javax.jcr.Repository;
 import javax.jcr.RepositoryException;
 import javax.jcr.Session;
 
 import org.argeo.jcr.JcrUtils;
 import org.argeo.slc.SlcException;
-import org.argeo.slc.core.runtime.DefaultAgent;
+import org.argeo.slc.core.execution.DefaultAgent;
+import org.argeo.slc.core.execution.ProcessThread;
+import org.argeo.slc.execution.ExecutionModulesManager;
+import org.argeo.slc.execution.ExecutionProcess;
 import org.argeo.slc.jcr.SlcJcrConstants;
-import org.argeo.slc.runtime.SlcAgent;
-import org.argeo.slc.runtime.SlcAgentFactory;
+import org.argeo.slc.jcr.SlcNames;
+import org.argeo.slc.jcr.SlcTypes;
 
-/** SLC agent synchronizing with a JCR repository. */
-public class JcrAgent extends DefaultAgent implements SlcAgentFactory {
-       private Session session;
+/** SLC VM agent synchronizing with a JCR repository. */
+public class JcrAgent extends DefaultAgent implements SlcNames {
+       // final static String ROLE_REMOTE = "ROLE_REMOTE";
+       final static String NODE_REPO_URI = "argeo.node.repo.uri";
+
+       private Repository repository;
+
+       private String agentNodeName = "default";
 
        /*
         * LIFECYCLE
         */
        protected String initAgentUuid() {
+               Session session = null;
                try {
-                       Node vmAgentFactoryNode = JcrUtils.mkdirs(session,
-                                       SlcJcrConstants.VM_AGENT_FACTORY_PATH);
-                       if (!vmAgentFactoryNode.hasNodes()) {
+                       session = repository.login();
+
+                       String agentFactoryPath = getAgentFactoryPath();
+                       Node vmAgentFactoryNode = JcrUtils.mkdirsSafe(session,
+                                       agentFactoryPath, SlcTypes.SLC_AGENT_FACTORY);
+                       if (!vmAgentFactoryNode.hasNode(agentNodeName)) {
                                String uuid = UUID.randomUUID().toString();
-                               vmAgentFactoryNode.addNode(uuid);
+                               Node agentNode = vmAgentFactoryNode.addNode(agentNodeName,
+                                               SlcTypes.SLC_AGENT);
+                               agentNode.setProperty(SLC_UUID, uuid);
                        }
                        session.save();
-
-                       return vmAgentFactoryNode.getNodes().nextNode().getName();
+                       return vmAgentFactoryNode.getNode(agentNodeName)
+                                       .getProperty(SLC_UUID).getString();
                } catch (RepositoryException e) {
+                       JcrUtils.discardQuietly(session);
                        throw new SlcException("Cannot find JCR agent UUID", e);
                } finally {
-                       JcrUtils.discardQuietly(session);
+                       JcrUtils.logoutQuietly(session);
                }
        }
 
-       public void dispose() {
+       @Override
+       public void destroy() {
+               super.destroy();
+       }
 
+       /*
+        * SLC AGENT
+        */
+       @Override
+       protected ProcessThread createProcessThread(
+                       ThreadGroup processesThreadGroup,
+                       ExecutionModulesManager modulesManager, ExecutionProcess process) {
+               if (process instanceof JcrProcessThread)
+                       return new JcrProcessThread(processesThreadGroup, modulesManager,
+                                       (JcrExecutionProcess) process);
+               else
+                       return super.createProcessThread(processesThreadGroup,
+                                       modulesManager, process);
        }
 
        /*
-        * SLC AGENT FACTORY
+        * UTILITIES
         */
-       public SlcAgent getAgent(String uuid) {
-               return this;
+       public String getNodePath() {
+               return getAgentFactoryPath() + '/' + getAgentNodeName();
        }
 
-       public void pingAll(List<String> activeAgentIds) {
-               ping();
+       public String getAgentFactoryPath() {
+               try {
+                       Boolean isRemote = System.getProperty(NODE_REPO_URI) != null;
+                       String agentFactoryPath;
+                       if (isRemote) {
+                               InetAddress localhost = InetAddress.getLocalHost();
+                               agentFactoryPath = SlcJcrConstants.AGENTS_BASE_PATH + "/"
+                                               + localhost.getCanonicalHostName();
+
+                               if (agentFactoryPath
+                                               .equals(SlcJcrConstants.VM_AGENT_FACTORY_PATH))
+                                       throw new SlcException("Unsupported hostname "
+                                                       + localhost.getCanonicalHostName());
+                       } else {// local
+                               agentFactoryPath = SlcJcrConstants.VM_AGENT_FACTORY_PATH;
+                       }
+                       return agentFactoryPath;
+               } catch (UnknownHostException e) {
+                       throw new SlcException("Cannot find agent factory base path", e);
+               }
        }
 
        /*
-        * BEAN METHODS
+        * BEAN
         */
-       public void setSession(Session session) {
-               this.session = session;
+       public String getAgentNodeName() {
+               return agentNodeName;
+       }
+
+       public void setRepository(Repository repository) {
+               this.repository = repository;
        }
 
+       public void setAgentNodeName(String agentNodeName) {
+               this.agentNodeName = agentNodeName;
+       }
 }