jstorm-core/src/main/java/backtype/storm/utils/MutableInt.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 backtype.storm.utils;

public class MutableInt {
    int val;

    public MutableInt(int val) {
        this.val = val;
    }

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

    public int get() {
        return val;
    }

    public int increment() {
        return increment(1);
    }

    public int increment(int amt) {
        val += amt;
        return val;
    }
}