/*
 * Copyright 2010 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.jsr94.rules;

/*
 * $Id: Person.java,v 1.4 2004/11/17 03:09:50 dbarnett Exp $
 *
 * Copyright 2002-2004 (C) The Werken Company. All Rights Reserved.
 *
 * Redistribution and use of this software and associated documentation
 * ("Software"), with or without modification, are permitted provided that the
 * following conditions are met:
 *
 * 1. Redistributions of source code must retain copyright statements and
 * notices. Redistributions must also contain a copy of this document.
 *
 * 2. Redistributions in binary form must reproduce the above copyright notice,
 * this list of conditions and the following disclaimer in the documentation
 * and/or other materials provided with the distribution.
 *
 * 3. The name "drools" must not be used to endorse or promote products derived
 * from this Software without prior written permission of The Werken Company.
 * For written permission, please contact bob@werken.com.
 *
 * 4. Products derived from this Software may not be called "drools" nor may
 * "drools" appear in their names without prior written permission of The Werken
 * Company. "drools" is a registered trademark of The Werken Company.
 *
 * 5. Due credit should be given to The Werken Company.
 * (http://drools.werken.com/).
 *
 * THIS SOFTWARE IS PROVIDED BY THE WERKEN COMPANY AND CONTRIBUTORS ``AS IS''
 * AND ANY EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
 * ARE DISCLAIMED. IN NO EVENT SHALL THE WERKEN COMPANY OR ITS CONTRIBUTORS BE
 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
 * POSSIBILITY OF SUCH DAMAGE.
 */

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

public class Person {
    private String name;

    private Set    sisters;

    public Person() {
        
    }
    
    public Person(final String name) {
        this.name = name;
        this.sisters = new HashSet();
    }

    public String getName() {
        return this.name;
    }

    public void addSister(final String sistersName) {
        this.sisters.add( sistersName );
    }

    public boolean hasSister(final Person person) {
        return this.sisters.contains( person.getName() );
    }

    public String toString() {
        return this.name;
    }

    public int hashCode() {
        final int PRIME = 31;
        int result = 1;
        result = PRIME * result + ((name == null) ? 0 : name.hashCode());
        result = PRIME * result + ((sisters == null) ? 0 : sisters.hashCode());
        return result;
    }

    public boolean equals(Object obj) {
        if ( this == obj ) return true;
        if ( obj == null ) return false;
        
        if ( !(obj instanceof Person) ) return false;
        final Person other = (Person) obj;
        
        if ( name == null ) {
            if ( other.name != null ) return false;
        } else if ( !name.equals( other.name ) ) return false;
        if ( sisters == null ) {
            if ( other.sisters != null ) return false;
        } else if ( !sisters.equals( other.sisters ) ) return false;
        return true;
    }
    
    
}
