/*
* Copyright 2006-2007 the original author or authors.
*
* 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 org.springframework.batch.repeat.support;
import org.springframework.batch.repeat.RepeatStatus;
import org.springframework.batch.repeat.RepeatContext;
/**
* Interface for result holder.
*
* @author Dave Syer
*/
interface ResultHolder {
/**
* Get the result for client from this holder. Does not block if none is
* available yet.
*
* @return the result, or null if there is none.
* @throws IllegalStateException
*/
RepeatStatus getResult();
/**
* Get the error for client from this holder if any. Does not block if
* none is available yet.
*
* @return the error, or null if there is none.
* @throws IllegalStateException
*/
Throwable getError();
/**
* Get the context in which the result evaluation is executing.
*
* @return the context of the result evaluation.
*/
RepeatContext getContext();
}