Fix bug 28 (https://www.argeo.org/bugzilla/show_bug.cgi?id=28)

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

diff --git a/runtime/org.argeo.slc.support.jcr/src/main/java/org/argeo/slc/jcr/execution/JcrProcessThread.java b/runtime/org.argeo.slc.support.jcr/src/main/java/org/argeo/slc/jcr/execution/JcrProcessThread.java
index 34685fff0973a9c01e6c33048e86bebe3ce24ac4..8755829e7bba6e213b896c1d142ca82d65c22c45 100644 (file)
--- a/runtime/org.argeo.slc.support.jcr/src/main/java/org/argeo/slc/jcr/execution/JcrProcessThread.java
+++ b/runtime/org.argeo.slc.support.jcr/src/main/java/org/argeo/slc/jcr/execution/JcrProcessThread.java
@@ -1,66 +1,95 @@
+/*
+
+ * 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 javax.jcr.Node;
-import javax.jcr.NodeIterator;
-import javax.jcr.Property;
 import javax.jcr.RepositoryException;
+import javax.jcr.Session;
 
 import org.argeo.ArgeoException;
+import org.argeo.jcr.JcrUtils;
 import org.argeo.slc.core.execution.ProcessThread;
-import org.argeo.slc.execution.ExecutionFlowDescriptor;
 import org.argeo.slc.execution.ExecutionModulesManager;
-import org.argeo.slc.jcr.SlcJcrUtils;
+import org.argeo.slc.execution.ExecutionProcess;
+import org.argeo.slc.execution.RealizedFlow;
 import org.argeo.slc.jcr.SlcNames;
-import org.argeo.slc.process.RealizedFlow;
 
+/** Where the actual execution takes place */
 public class JcrProcessThread extends ProcessThread implements SlcNames {
 
-       public JcrProcessThread(ExecutionModulesManager executionModulesManager,
+       public JcrProcessThread(ThreadGroup processesThreadGroup,
+                       ExecutionModulesManager executionModulesManager,
                        JcrExecutionProcess process) {
-               super(executionModulesManager, process);
+               super(processesThreadGroup, executionModulesManager, process);
        }
 
+       /** Overridden in order to set progress status on realized flow nodes. */
        @Override
-       protected void process() {
-               try {
-                       Node realizedFlowNode = getNode().getNode(SLC_FLOW);
-                       // we just manage one level for the time being
-                       NodeIterator nit = realizedFlowNode.getNodes(SLC_FLOW);
-                       while (nit.hasNext()) {
-                               process(nit.nextNode());
-                       }
-               } catch (RepositoryException e) {
-                       throw new ArgeoException("Cannot process " + getNode(), e);
-               }
-       }
+       protected void process() throws InterruptedException {
+               Session session = null;
+               if (getProcess() instanceof JcrExecutionProcess)
+                       try {
+                               session = ((JcrExecutionProcess) getProcess()).getRepository()
+                                               .login();
 
-       protected void process(Node realizedFlowNode) throws RepositoryException {
-               if (realizedFlowNode.hasNode(SLC_ADDRESS)) {
-                       String flowPath = realizedFlowNode.getNode(SLC_ADDRESS)
-                                       .getProperty(Property.JCR_PATH).getString();
-                       // TODO: convert to local path if remote
+                               List<RealizedFlow> realizedFlows = getProcess()
+                                               .getRealizedFlows();
+                               for (RealizedFlow realizedFlow : realizedFlows) {
+                                       Node realizedFlowNode = session
+                                                       .getNode(((JcrRealizedFlow) realizedFlow).getPath());
+                                       setFlowStatus(realizedFlowNode, ExecutionProcess.RUNNING);
 
-                       Node flowNode = realizedFlowNode.getSession().getNode(flowPath);
-                       String flowName = flowNode.getProperty(SLC_NAME).getString();
+                                       try {
+                                               //
+                                               // EXECUTE THE FLOW
+                                               //
+                                               execute(realizedFlow, true);
 
-                       String executionModuleName = SlcJcrUtils
-                                       .flowExecutionModuleName(flowPath);
-                       String executionModuleVersion = SlcJcrUtils
-                                       .flowExecutionModuleVersion(flowPath);
-
-                       RealizedFlow realizedFlow = new RealizedFlow();
-                       realizedFlow.setModuleName(executionModuleName);
-                       realizedFlow.setModuleVersion(executionModuleVersion);
-
-                       ExecutionFlowDescriptor efd = new ExecutionFlowDescriptor(flowName,
-                                       null, null);
-                       realizedFlow.setFlowDescriptor(efd);
+                                               setFlowStatus(realizedFlowNode,
+                                                               ExecutionProcess.COMPLETED);
+                                       } catch (RepositoryException e) {
+                                               throw e;
+                                       } catch (InterruptedException e) {
+                                               setFlowStatus(realizedFlowNode, ExecutionProcess.KILLED);
+                                               throw e;
+                                       } catch (RuntimeException e) {
+                                               setFlowStatus(realizedFlowNode, ExecutionProcess.ERROR);
+                                               throw e;
+                                       }
+                               }
+                       } catch (RepositoryException e) {
+                               throw new ArgeoException("Cannot process "
+                                               + getJcrExecutionProcess().getNodePath(), e);
+                       } finally {
+                               JcrUtils.logoutQuietly(session);
+                       }
+               else
+                       super.process();
+       }
 
-                       execute(realizedFlow, true);
-               }
+       protected void setFlowStatus(Node realizedFlowNode, String status)
+                       throws RepositoryException {
+               realizedFlowNode.setProperty(SLC_STATUS, status);
+               realizedFlowNode.getSession().save();
        }
 
-       protected Node getNode() {
-               return ((JcrExecutionProcess) getProcess()).getNode();
+       protected JcrExecutionProcess getJcrExecutionProcess() {
+               return (JcrExecutionProcess) getProcess();
        }
 }