/*
 * Copyright 2008 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.
 *
 * Created on Apr 25, 2008
 */

package org.drools.lang.descr;

import org.drools.base.evaluators.TimeIntervalParser;

/**
 * A descriptor for sliding windows
 * 
 * @author etirelli
 */
public class SlidingWindowDescr extends BehaviorDescr {
    private static final TimeIntervalParser parser = new TimeIntervalParser();
    
    private String parameters;
    

    public SlidingWindowDescr() {
        super();
    }
    
    /**
     * @param parameters
     */
    public SlidingWindowDescr( String type, String parameters ) {
        super( type );
        this.parameters = parameters;
    }

    /**
     * @return the parameters
     */
    public String getParameters() {
        return parameters;
    }

    /**
     * @param parameters the parameters to set
     */
    public void setParameters(String parameters) {
        this.parameters = parameters;
    }

    
    public long getLength() {
        return parser.parse( this.parameters )[0].longValue();
    }


}