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/*
 * Copyright 2013 JBoss Inc
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package org.drools.verifier.consequence

//list any import classes here.
import org.drools.verifier.components.VerifierRule;
import org.drools.verifier.components.TextConsequence;
import org.drools.verifier.components.NamedConsequence;
import org.drools.verifier.report.components.VerifierMessage;
import org.drools.verifier.data.VerifierReport;
import org.drools.verifier.report.components.Severity;
import org.drools.verifier.report.components.MessageType;

import java.util.Map;
import java.util.HashMap;

//declare any global variables here
global VerifierReport result;


/**
* For situations where the named consequence is listed in the bottom, but not used in RHS.
*/
rule "Named consequence declared, but not used"
    when
        $consequence : NamedConsequence( )
        $rule :VerifierRule( namedConsequences not contains $consequence.name )
    then
        Map impactedRules = new HashMap();
        impactedRules.put( $rule.getPath(), $rule.getName());


        result.add( new VerifierMessage(
                                impactedRules,
                                Severity.NOTE,
                                MessageType.MISSING_COMPONENT,
                                null,
                                $rule + " has named consequence: " + $consequence.getName() + " declared, but it is not used." ) );
end