CalculatorImpl.java

/*
 * Copyright 2012 Harald Wellmann
 *
 *  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.ops4j.pax.exam.sample8.ds;

public class CalculatorImpl implements Calculator {

    private BinaryOperation addition;

    protected void setAddition(BinaryOperation addition) {
        this.addition = addition;
    }

    protected void unsetAddition(BinaryOperation _addition) {
        this.addition = null;
    }

    public int add(int op1, int op2) {
        return addition.operate(op1, op2);
    }
}