CallableExceptionalSupplier.java

// =================================================================================================
// Copyright 2011 Twitter, Inc.
// -------------------------------------------------------------------------------------------------
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this work except in compliance with the License.
// You may obtain a copy of the License in the LICENSE file, or 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.twitter.common.base;

import java.util.concurrent.Callable;

/**
 * A supplier that may also be called.
 *
 * @param <T> The supplier type.
 * @param <E> Supplier exception type.
 *
 * @author John Sirois
 */
public abstract class CallableExceptionalSupplier<T, E extends Exception>
    implements ExceptionalSupplier<T, E>, Callable<T> {

  @Override public T call() throws Exception {
    return get();
  }
}