/***********************************************************************************************************************
* Copyright (C) 2010-2013 by the Stratosphere project (http://stratosphere.eu)
*
* 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 eu.stratosphere.nephele.template;
import eu.stratosphere.core.io.InputSplit;
/**
* An input split provider can be successively queried to provide a series of {@link InputSplit} objects an
* {@link AbstractInputTask} is supposed to consume in the course of its execution.
*
*/
public interface InputSplitProvider {
/**
* Requests the next input split to be consumed by the calling {@link AbstractInputTask}.
*
* @return the next input split to be consumed by the calling {@link AbstractInputTask} or <code>null</code> if the
* {@link AbstractInputTask} shall not consume any further input splits.
*/
InputSplit getNextInputSplit();
}