package org.drools.process;
import junit.framework.TestCase;
import org.drools.RuleBaseFactory;
import org.drools.common.AbstractRuleBase;
import org.drools.common.InternalWorkingMemory;
import org.drools.process.core.Work;
import org.drools.process.core.impl.WorkImpl;
import org.drools.reteoo.ReteooWorkingMemory;
import org.drools.ruleflow.core.RuleFlowProcess;
import org.drools.runtime.process.WorkItem;
import org.drools.runtime.process.WorkItemHandler;
import org.drools.runtime.process.WorkItemManager;
import org.drools.WorkingMemory;
import org.drools.spi.Action;
import org.drools.spi.KnowledgeHelper;
import org.drools.spi.ProcessContext;
import org.drools.workflow.core.DroolsAction;
import org.drools.workflow.core.Node;
import org.drools.workflow.core.impl.ConnectionImpl;
import org.drools.workflow.core.impl.DroolsConsequenceAction;
import org.drools.workflow.core.node.ActionNode;
import org.drools.workflow.core.node.EndNode;
import org.drools.workflow.core.node.StartNode;
import org.drools.workflow.core.node.SubProcessNode;
import org.drools.workflow.core.node.WorkItemNode;
public class SubProcessTest extends TestCase {
private boolean executed = false;
private WorkItem workItem;
public void setUp() {
executed = false;
workItem = null;
}
public void testSynchronousSubProcess() {
RuleFlowProcess process = new RuleFlowProcess();
process.setId("org.drools.process.process");
process.setName("Process");
StartNode startNode = new StartNode();
startNode.setName("Start");
startNode.setId(1);
process.addNode(startNode);
EndNode endNode = new EndNode();
endNode.setName("EndNode");
endNode.setId(2);
process.addNode(endNode);
SubProcessNode subProcessNode = new SubProcessNode();
subProcessNode.setName("SubProcessNode");
subProcessNode.setId(3);
subProcessNode.setProcessId("org.drools.process.subprocess");
process.addNode(subProcessNode);
new ConnectionImpl(
startNode, Node.CONNECTION_DEFAULT_TYPE,
subProcessNode, Node.CONNECTION_DEFAULT_TYPE
);
new ConnectionImpl(
subProcessNode, Node.CONNECTION_DEFAULT_TYPE,
endNode, Node.CONNECTION_DEFAULT_TYPE
);
AbstractRuleBase ruleBase = (AbstractRuleBase) RuleBaseFactory.newRuleBase();
ruleBase.addProcess(process);
process = new RuleFlowProcess();
process.setId("org.drools.process.subprocess");
process.setName("SubProcess");
startNode = new StartNode();
startNode.setName("Start");
startNode.setId(1);
process.addNode(startNode);
endNode = new EndNode();
endNode.setName("EndNode");
endNode.setId(2);
process.addNode(endNode);
ActionNode actionNode = new ActionNode();
actionNode.setName("Action");
DroolsAction action = new DroolsConsequenceAction("java", null);
action.setMetaData("Action", new Action() {
public void execute(KnowledgeHelper knowledgeHelper, WorkingMemory workingMemory, ProcessContext context) throws Exception {
System.out.println("Executed action");
executed = true;
}
});
actionNode.setAction(action);
process.addNode(actionNode);
new ConnectionImpl(
startNode, Node.CONNECTION_DEFAULT_TYPE,
actionNode, Node.CONNECTION_DEFAULT_TYPE
);
new ConnectionImpl(
actionNode, Node.CONNECTION_DEFAULT_TYPE,
endNode, Node.CONNECTION_DEFAULT_TYPE
);
ruleBase.addProcess(process);
InternalWorkingMemory workingMemory = new ReteooWorkingMemory(1, ruleBase);
workingMemory.startProcess("org.drools.process.process");
assertTrue(executed);
assertEquals(0, workingMemory.getProcessInstances().size());
}
public void testAsynchronousSubProcess() {
RuleFlowProcess process = new RuleFlowProcess();
process.setId("org.drools.process.process");
process.setName("Process");
StartNode startNode = new StartNode();
startNode.setName("Start");
startNode.setId(1);
process.addNode(startNode);
EndNode endNode = new EndNode();
endNode.setName("EndNode");
endNode.setId(2);
process.addNode(endNode);
SubProcessNode subProcessNode = new SubProcessNode();
subProcessNode.setName("SubProcessNode");
subProcessNode.setId(3);
subProcessNode.setProcessId("org.drools.process.subprocess");
process.addNode(subProcessNode);
new ConnectionImpl(
startNode, Node.CONNECTION_DEFAULT_TYPE,
subProcessNode, Node.CONNECTION_DEFAULT_TYPE
);
new ConnectionImpl(
subProcessNode, Node.CONNECTION_DEFAULT_TYPE,
endNode, Node.CONNECTION_DEFAULT_TYPE
);
AbstractRuleBase ruleBase = (AbstractRuleBase) RuleBaseFactory.newRuleBase();
ruleBase.addProcess(process);
process = new RuleFlowProcess();
process.setId("org.drools.process.subprocess");
process.setName("SubProcess");
startNode = new StartNode();
startNode.setName("Start");
startNode.setId(1);
process.addNode(startNode);
endNode = new EndNode();
endNode.setName("EndNode");
endNode.setId(2);
process.addNode(endNode);
WorkItemNode workItemNode = new WorkItemNode();
workItemNode.setName("WorkItem");
Work work = new WorkImpl();
work.setName("MyWork");
workItemNode.setWork(work);
process.addNode(workItemNode);
new ConnectionImpl(
startNode, Node.CONNECTION_DEFAULT_TYPE,
workItemNode, Node.CONNECTION_DEFAULT_TYPE
);
new ConnectionImpl(
workItemNode, Node.CONNECTION_DEFAULT_TYPE,
endNode, Node.CONNECTION_DEFAULT_TYPE
);
ruleBase.addProcess(process);
InternalWorkingMemory workingMemory = new ReteooWorkingMemory(1, ruleBase);
workingMemory.getWorkItemManager().registerWorkItemHandler("MyWork", new WorkItemHandler() {
public void executeWorkItem(WorkItem workItem, WorkItemManager manager) {
System.out.println("Executing work item");
SubProcessTest.this.workItem = workItem;
}
public void abortWorkItem(WorkItem workItem, WorkItemManager manager) {
}
});
workingMemory.startProcess("org.drools.process.process");
assertNotNull(workItem);
assertEquals(2, workingMemory.getProcessInstances().size());
workingMemory.getWorkItemManager().completeWorkItem(workItem.getId(), null);
assertEquals(0, workingMemory.getProcessInstances().size());
}
}