org.apache.hadoop.mapred.join.ResetableIterator Maven / Gradle / Ivy
/**
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you 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.apache.hadoop.mapred.join;
import org.apache.hadoop.classification.InterfaceAudience;
import org.apache.hadoop.classification.InterfaceStability;
import org.apache.hadoop.io.Writable;
/**
* This defines an interface to a stateful Iterator that can replay elements
* added to it directly.
* Note that this does not extend {@link java.util.Iterator}.
*/
@InterfaceAudience.Public
@InterfaceStability.Stable
public interface ResetableIterator
extends org.apache.hadoop.mapreduce.lib.join.ResetableIterator {
public static class EMPTY
extends org.apache.hadoop.mapreduce.lib.join.ResetableIterator.EMPTY
implements ResetableIterator {
}
}