org.apache.flink.runtime.operators.util.SimpleCloseableInputProvider 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.flink.runtime.operators.util;
import java.io.IOException;
import org.apache.flink.util.MutableObjectIterator;
/**
* A simple iterator provider that returns a supplied iterator and does nothing when closed.
*/
public class SimpleCloseableInputProvider implements CloseableInputProvider
{
/**
* The iterator returned by this class.
*/
private final MutableObjectIterator iterator;
/**
* Creates a new simple input provider that will return the given iterator.
*
* @param iterator The iterator that will be returned.
*/
public SimpleCloseableInputProvider(MutableObjectIterator iterator) {
this.iterator = iterator;
}
@Override
public void close() throws IOException {
// do nothing
}
@Override
public MutableObjectIterator getIterator() {
return this.iterator;
}
}