RuleCoverageListener.java example

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droolsjbpm-master
package org.drools.testframework;

import java.util.HashSet;
import java.util.Set;

import org.drools.WorkingMemory;
import org.drools.event.ActivationCancelledEvent;
import org.drools.event.ActivationCreatedEvent;
import org.drools.event.AfterActivationFiredEvent;
import org.drools.event.AgendaEventListener;
import org.drools.event.AgendaGroupPoppedEvent;
import org.drools.event.AgendaGroupPushedEvent;
import org.drools.event.BeforeActivationFiredEvent;
import org.drools.event.RuleFlowGroupActivatedEvent;
import org.drools.event.RuleFlowGroupDeactivatedEvent;

/**
 * Measure the rule coverage.
 * @author Michael Neale
 */
public class RuleCoverageListener implements AgendaEventListener {

	final Set<String> rules;
	private int totalCount;

	/**
	 * Pass in the expected rules to fire.
	 * @param expectedRuleNames
	 */
	public RuleCoverageListener(HashSet<String> expectedRuleNames) {
		this.rules = expectedRuleNames;
		this.totalCount = expectedRuleNames.size();
	}

	public void activationCancelled(ActivationCancelledEvent event,
			WorkingMemory workingMemory) {
	}

	public void activationCreated(ActivationCreatedEvent event,
			WorkingMemory workingMemory) {
	}

	public void afterActivationFired(AfterActivationFiredEvent event,
			WorkingMemory workingMemory) {
		rules.remove(event.getActivation().getRule().getName());
	}

	public void agendaGroupPopped(AgendaGroupPoppedEvent event,
			WorkingMemory workingMemory) {
	}

	public void agendaGroupPushed(AgendaGroupPushedEvent event,
			WorkingMemory workingMemory) {
	}

	public void beforeActivationFired(BeforeActivationFiredEvent event,
			WorkingMemory workingMemory) {
	}

	/**
	 * @return A set of rules that were not fired.
	 */
	public String[] getUnfiredRules() {
		return rules.toArray(new String[rules.size()]);
	}

	public int getPercentCovered() {
		float left = totalCount - rules.size();

		return (int) ((left / totalCount) * 100);
	}

	public void afterRuleFlowGroupActivated(RuleFlowGroupActivatedEvent event,
			WorkingMemory workingMemory) {
		// TODO Auto-generated method stub
		
	}

	public void afterRuleFlowGroupDeactivated(
			RuleFlowGroupDeactivatedEvent event, WorkingMemory workingMemory) {
		// TODO Auto-generated method stub
		
	}

	public void beforeRuleFlowGroupActivated(RuleFlowGroupActivatedEvent event,
			WorkingMemory workingMemory) {
		// TODO Auto-generated method stub
		
	}

	public void beforeRuleFlowGroupDeactivated(
			RuleFlowGroupDeactivatedEvent event, WorkingMemory workingMemory) {
		// TODO Auto-generated method stub
		
	}



}