[jbpm-commits] JBoss JBPM SVN: r5383 - jbpm4/trunk/modules/bpmn/src/main/java/org/jbpm/bpmn/flownodes.

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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 at 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;
+//		}
+//	    }
+//	}
+//    }
+}