/*
* Copyright (c) 2008-2017, Hazelcast, Inc. All Rights Reserved.
*
* 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.hazelcast.cache.impl;
import javax.cache.processor.EntryProcessorException;
import javax.cache.processor.EntryProcessorResult;
/**
* This simple implementation of {@link EntryProcessorResult} wraps the result returned or exception thrown in a
* single object so that multiple exceptions from multiple entry processes can be returned.
*
* @param <T> the type of the return value.
* @see javax.cache.Cache#invokeAll(java.util.Set, javax.cache.processor.EntryProcessor, Object...)
*/
public class CacheEntryProcessorResult<T>
implements EntryProcessorResult<T> {
private T result;
private Throwable exception;
public CacheEntryProcessorResult(T result) {
this.result = result;
}
public CacheEntryProcessorResult(Throwable exception) {
this.exception = exception;
}
@Override
public T get()
throws EntryProcessorException {
if (result != null) {
return result;
}
throw new EntryProcessorException(exception);
}
}