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/***********************************************************************************************************************
 * 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.io;

import java.io.IOException;

import eu.stratosphere.core.io.IOReadableWritable;

/**
 * A reader interface to read records from an input.
 * 
 * @param  The type of the record that can be emitted with this record writer
 */
public interface Reader extends ReaderBase {

	boolean hasNext() throws IOException, InterruptedException;

	T next() throws IOException, InterruptedException;
}