asterix-fuzzyjoin/src/main/java/org/apache/asterix/fuzzyjoin/MutableInteger.java

/**
 * Licensed to the Apache Software Foundation (ASF) under one
 * or more contributor license agreements.  See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership.  The ASF licenses this file
 * to you 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.apache.asterix.fuzzyjoin;

public class MutableInteger implements Comparable {
    private int v;

    public MutableInteger(int v) {
        this.v = v;
    }

    @Override
    public int compareTo(Object o) {
        MutableInteger m = (MutableInteger) o;
        return v - m.v;
    }

    @Override
    public boolean equals(Object o) {
        if (o == null) {
            return false;
        }
        if (o == this) {
            return true;
        }
        if (!(o instanceof MutableInteger)) {
            return false;
        }
        MutableInteger m = (MutableInteger) o;
        if (m.v == v) {
            return true;
        }
        return false;
    }

    public int get() {
        return v;
    }

    public void inc() {
        v += 1;
    }

    public void set(int v) {
        this.v = v;
    }

    @Override
    public String toString() {
        return "" + v;
    }

}