/*
 * Copyright (C) 2010 The Android Open Source Project
 *
 * 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 com.android.quicksearchbox;

import com.android.quicksearchbox.util.Consumer;

/**
 * A consumer that saves the value that it is given.
 *
 * @param <A> The type of values to consume.
 */
public class ConsumerTrap<A> implements Consumer<A> {

    private volatile A mValue;

    public boolean consume(A value) {
        mValue = value;
        return true;
    }

    public A getValue() {
        return mValue;
    }
}