com.blazebit.persistence.view.impl.collection.RecordingIterator Maven / Gradle / Ivy
/*
* Copyright 2014 - 2020 Blazebit.
*
* 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 com.blazebit.persistence.view.impl.collection;
import java.util.Iterator;
/**
*
* @author Christian Beikov
* @since 1.2.0
*/
public class RecordingIterator implements Iterator {
private final RecordingCollection recordingCollection;
private final Iterator iterator;
private E current;
public RecordingIterator(RecordingCollection recordingCollection) {
this.recordingCollection = recordingCollection;
this.iterator = recordingCollection.delegate.iterator();
}
public boolean hasNext() {
return iterator.hasNext();
}
public E next() {
return current = iterator.next();
}
public void remove() {
if (current == null) {
throw new IllegalStateException();
}
recordingCollection.addRemoveAction(current);
iterator.remove();
current = null;
}
}