Author: camunda
Date: 2009-07-30 02:52:50 -0400 (Thu, 30 Jul 2009)
New Revision: 5383
Added:
jbpm4/trunk/modules/bpmn/src/main/java/org/jbpm/bpmn/flownodes/AbstractTask.java
Log:
added AbstractTask superclass
Added: jbpm4/trunk/modules/bpmn/src/main/java/org/jbpm/bpmn/flownodes/AbstractTask.java
===================================================================
--- jbpm4/trunk/modules/bpmn/src/main/java/org/jbpm/bpmn/flownodes/AbstractTask.java
(rev 0)
+++
jbpm4/trunk/modules/bpmn/src/main/java/org/jbpm/bpmn/flownodes/AbstractTask.java 2009-07-30
06:52:50 UTC (rev 5383)
@@ -0,0 +1,104 @@
+/*
+ * JBoss, Home of Professional Open Source
+ * Copyright 2005, JBoss Inc., and individual contributors as indicated
+ * by the @authors tag. See the copyright.txt in the distribution for a
+ * full listing of individual contributors.
+ *
+ * This is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU Lesser General Public License as
+ * published by the Free Software Foundation; either version 2.1 of
+ * the License, or (at your option) any later version.
+ *
+ * This software is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this software; if not, write to the Free
+ * Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
+ * 02110-1301 USA, or see the FSF site:
http://www.fsf.org.
+ */
+package org.jbpm.bpmn.flownodes;
+
+import java.util.ArrayList;
+import java.util.List;
+
+import org.jbpm.api.Execution;
+import org.jbpm.api.activity.ActivityExecution;
+import org.jbpm.pvm.internal.model.Activity;
+import org.jbpm.pvm.internal.model.Condition;
+import org.jbpm.pvm.internal.model.ExecutionImpl;
+import org.jbpm.pvm.internal.model.Transition;
+
+/**
+ * The abstract task is a base class for all BPMN 2.0 tasks
+ *
+ * @author bernd.ruecker(a)camunda.com
+ */
+public abstract class AbstractTask extends BpmnActivity {
+
+ private static final long serialVersionUID = 1L;
+
+// public abstract void innerExecute(ActivityExecution execution) throws Exception;
+//
+// @Override
+// public void execute(ActivityExecution execution) throws Exception {
+// innerExecute(execution);
+// if (execution.());
+// fork((ExecutionImpl) execution);
+// }
+//
+// public void fork(ExecutionImpl execution) {
+// Activity activity = execution.getActivity();
+//
+// // evaluate the conditions and find the transitions that should be
+// // forked
+// List<Transition> forkingTransitions = new ArrayList<Transition>();
+// List<Transition> outgoingTransitions = activity.getOutgoingTransitions();
+// for (Transition transition : outgoingTransitions) {
+// Condition condition = transition.getCondition();
+// if ((condition == null) || (condition.evaluate(execution))) {
+// forkingTransitions.add(transition);
+// }
+// }
+//
+// // if no outgoing transitions should be forked,
+// if (forkingTransitions.size() == 0) {
+// // end this execution
+// execution.end();
+//
+// // if there is exactly 1 transition to be taken, just use the
+// // incoming execution
+// }
+// else if (forkingTransitions.size() == 1) {
+// execution.take(forkingTransitions.get(0));
+//
+// // if there are more transitions
+// }
+// else {
+// ExecutionImpl concurrentRoot = null;
+// if (Execution.STATE_ACTIVE_ROOT.equals(execution.getState())) {
+// concurrentRoot = execution;
+// execution.setState(Execution.STATE_INACTIVE_CONCURRENT_ROOT);
+// execution.setActivity(null);
+// }
+// else if (Execution.STATE_ACTIVE_CONCURRENT.equals(execution.getState())) {
+// concurrentRoot = execution.getParent();
+// }
+//
+// for (Transition transition : forkingTransitions) {
+// // launch a concurrent path of execution
+// String childExecutionName = transition.getName();
+// ExecutionImpl concurrentExecution =
concurrentRoot.createExecution(childExecutionName);
+// concurrentExecution.setActivity(activity);
+// concurrentExecution.setState(Execution.STATE_ACTIVE_CONCURRENT);
+// concurrentExecution.take(transition);
+//
+// if (concurrentRoot.isEnded()) {
+// break;
+// }
+// }
+// }
+// }
+}