/**
 * 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.common;

import java.io.Serializable;

/**
 * A class to identify RuleBase partitions
 * 
 * @author etirelli
 */
public final class RuleBasePartitionId implements Serializable {

    private static final long serialVersionUID = 510l;

    public static final RuleBasePartitionId MAIN_PARTITION = new RuleBasePartitionId( "P-MAIN" );

    private final String                    id;

    public RuleBasePartitionId( final String id ) {
        this.id = id;
    }

    /**
     * @return the id
     */
    public String getId() {
        return id;
    }

    /* (non-Javadoc)
     * @see java.lang.Object#hashCode()
     */
    @Override
    public int hashCode() {
        final int prime = 31;
        int result = 1;
        result = prime * result + ((id == null) ? 0 : id.hashCode());
        return result;
    }

    /* (non-Javadoc)
     * @see java.lang.Object#equals(java.lang.Object)
     */
    @Override
    public boolean equals(Object obj) {
        if ( this == obj ) return true;
        if ( obj == null ) return false;
        if ( getClass() != obj.getClass() ) return false;
        final RuleBasePartitionId other = (RuleBasePartitionId) obj;
        if ( id == null  ) {
            if ( other.id != null ) return false;
        } else if ( !id.equals( other.id ) ) return false;
        return true;
    }

    public String toString() {
        return "Partition::"+this.id;    
    }
}