FunctionToMapper.java

/*
 * Copyright (C) 2012 Facebook, Inc.
 *
 * 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.facebook.collectionsbase;

import com.google.common.base.Function;

public class FunctionToMapper<X, Y> implements Mapper<X, Y> {
  private final Function<X, Y> function;

  public FunctionToMapper(Function<X, Y> function) {
    this.function = function;
  }

  @Override
  public Y map(X input) {
    return function.apply(input);
  }
}