@SuppressWarnings("unused")
private static KnowledgePackage getProcessWorkItems() {
RuleFlowProcess process = new RuleFlowProcess();
process.setId("org.drools.test.TestProcess");
process.setName("TestProcess");
process.setPackageName("org.drools.test");
StartNode start = new StartNode();
start.setId(1);
start.setName("Start");
process.addNode(start);
ActionNode actionNode = new ActionNode();
actionNode.setId(2);
actionNode.setName("Action");
DroolsConsequenceAction action = new DroolsConsequenceAction();
action.setDialect("java");
action.setConsequence("System.out.println(\"Executed action\");");
actionNode.setAction(action);
process.addNode(actionNode);
new ConnectionImpl(
start, Node.CONNECTION_DEFAULT_TYPE, actionNode, Node.CONNECTION_DEFAULT_TYPE);
WorkItemNode workItemNode = new WorkItemNode();
workItemNode.setId(3);
workItemNode.setName("WorkItem1");
Work work = new WorkImpl();
work.setName("MyWork");
workItemNode.setWork(work);
process.addNode(workItemNode);
new ConnectionImpl(
actionNode, Node.CONNECTION_DEFAULT_TYPE, workItemNode, Node.CONNECTION_DEFAULT_TYPE);
WorkItemNode workItemNode2 = new WorkItemNode();
workItemNode2.setId(4);
workItemNode2.setName("WorkItem2");
work = new WorkImpl();
work.setName("MyWork");
workItemNode2.setWork(work);
process.addNode(workItemNode2);
new ConnectionImpl(
workItemNode, Node.CONNECTION_DEFAULT_TYPE, workItemNode2, Node.CONNECTION_DEFAULT_TYPE);
WorkItemNode workItemNode3 = new WorkItemNode();
workItemNode3.setId(5);
workItemNode3.setName("WorkItem3");
work = new WorkImpl();
work.setName("MyWork");
workItemNode3.setWork(work);
process.addNode(workItemNode3);
new ConnectionImpl(
workItemNode2, Node.CONNECTION_DEFAULT_TYPE, workItemNode3, Node.CONNECTION_DEFAULT_TYPE);
EndNode end = new EndNode();
end.setId(6);
end.setName("End");
process.addNode(end);
new ConnectionImpl(
workItemNode3, Node.CONNECTION_DEFAULT_TYPE, end, Node.CONNECTION_DEFAULT_TYPE);
KnowledgeBuilderImpl packageBuilder = new KnowledgeBuilderImpl();
ProcessBuilderImpl processBuilder = new ProcessBuilderImpl(packageBuilder);
processBuilder.buildProcess(process, null);
return packageBuilder.getPackage();
}
public void backward(ActionNode node) {
// find the min
double m = Double.POSITIVE_INFINITY;
for (BasicEdge edge : node.getConnections()) {
double d =
((ActionNode) edge.getTo()).getLatestStartTime()
- ((ActionNode) edge.getFrom()).getDuration();
m = Math.min(d, m);
}
node.setLatestStartTime(m);
// handle other nodes
for (BasicEdge edge : node.getBackConnections()) {
backward((ActionNode) edge.getFrom());
}
}
public void forward(ActionNode node) {
// find the max
double m = Double.NEGATIVE_INFINITY;
for (BasicEdge edge : node.getBackConnections()) {
double d =
((ActionNode) edge.getFrom()).getEarliestStartTime()
+ ((ActionNode) edge.getFrom()).getDuration();
m = Math.max(d, m);
}
node.setEarliestStartTime(m);
// handle other nodes
for (BasicEdge edge : node.getConnections()) {
forward((ActionNode) edge.getTo());
}
}
@SuppressWarnings("unused")
private static KnowledgePackage getProcessTimer2() {
RuleFlowProcess process = new RuleFlowProcess();
process.setId("org.drools.test.ProcessTimer2");
process.setName("ProcessTimer2");
process.setPackageName("org.drools.test");
StartNode start = new StartNode();
start.setId(1);
start.setName("Start");
process.addNode(start);
TimerNode timerNode = new TimerNode();
timerNode.setId(2);
timerNode.setName("Timer");
Timer timer = new Timer();
timer.setDelay("0");
timerNode.setTimer(timer);
process.addNode(timerNode);
new ConnectionImpl(
start, Node.CONNECTION_DEFAULT_TYPE, timerNode, Node.CONNECTION_DEFAULT_TYPE);
ActionNode actionNode = new ActionNode();
actionNode.setId(3);
actionNode.setName("Action");
DroolsConsequenceAction action = new DroolsConsequenceAction();
action.setDialect("java");
action.setConsequence(
"try { Thread.sleep(1000); } catch (Throwable t) {} System.out.println(\"Executed action\");");
actionNode.setAction(action);
process.addNode(actionNode);
new ConnectionImpl(
timerNode, Node.CONNECTION_DEFAULT_TYPE, actionNode, Node.CONNECTION_DEFAULT_TYPE);
EndNode end = new EndNode();
end.setId(6);
end.setName("End");
process.addNode(end);
new ConnectionImpl(actionNode, Node.CONNECTION_DEFAULT_TYPE, end, Node.CONNECTION_DEFAULT_TYPE);
KnowledgeBuilderImpl packageBuilder = new KnowledgeBuilderImpl();
ProcessBuilderImpl processBuilder = new ProcessBuilderImpl(packageBuilder);
processBuilder.buildProcess(process, null);
return packageBuilder.getPackage();
}