/*
 * Copyright 2011-2015 B2i Healthcare Pte Ltd, http://b2i.sg
 * 
 * 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.b2international.commons.hierarchy;

import java.util.Map;
import java.util.Map.Entry;

import com.google.common.base.Preconditions;
import com.google.common.base.Predicate;

/**
 * @param <T> value type
 * 
 */
public class EntryValuePredicate<T> implements Predicate<Map.Entry<T, T>> {

	private final T value;

	public EntryValuePredicate(T value) {
		Preconditions.checkNotNull(value, "Value must not be null.");
		this.value = value;
	}

	@Override
	public boolean apply(Entry<T, T> input) {
		return value.equals(input.getValue());
	}

}