opennlp.tools.util.CollectionObjectStream 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 opennlp.tools.util;
import java.util.Collection;
import java.util.Iterator;
/**
* An {@link ObjectStream} implementation that works on a
* {@link Collection} of {@link E} as source for elements.
*
* @param The generic type of the elements.
*/
public class CollectionObjectStream implements ObjectStream {
private final Collection collection;
private Iterator iterator;
public CollectionObjectStream(Collection collection) {
this.collection = collection;
reset();
}
@Override
public E read() {
return iterator.hasNext() ? iterator.next() : null;
}
@Override
public void reset() {
this.iterator = collection.iterator();
}
@Override
public void close() {
}
}