BooleanScale.java

/*******************************************************************************
 * Copyright 2006 - 2012 Vienna University of Technology,  
 * Department of Software Technology and Interactive Systems, IFS
 * 
 * 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.
 * 
 * This work originates from the Planets project, co-funded by the European Union under the Sixth Framework Programme.
 ******************************************************************************/
package eu.scape_project.planning.model.scales;

import javax.persistence.DiscriminatorValue;
import javax.persistence.Entity;

import eu.scape_project.planning.model.values.BooleanValue;


/**
 * Boolean value to be used in the leaves of the objective tree
 * @author Christoph Becker
 *
 */
@Entity
@DiscriminatorValue("B")
public class BooleanScale extends OrdinalScale {

    private static final long serialVersionUID = -65662892936008713L;

    public String getDisplayName() {
        return "Boolean";
    }
    
    public BooleanScale() {
        super.setRestriction("Yes/No");
        // this is a Boolean-value, the restrictions above must not be changed
        immutableRestriction = true;
    }

    /*
     * this restriction cannot be changed
     */
    @Override
    public void setRestriction(String restriction) {
    }
    
    /**
     * 
     */
    public BooleanValue createValue() {
        BooleanValue bv = new BooleanValue();
        bv.setScale(this);
        return bv;
    }
}