LoggingClosableIterator.java

/*
 * 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.jena.util.iterator.test;

import java.util.Iterator;

import org.apache.jena.util.iterator.* ;

/**
    A closable iterator that wraps a base iterator and reports whether or not it
    has been closed.
*/
public class LoggingClosableIterator<T> extends WrappedIterator<T> implements ClosableIterator<T>
    {
    protected LoggingClosableIterator( Iterator< ? extends T> base )
        { super( base ); }
    
    private boolean wasClosed = false;
    
    @Override public void close()
        { wasClosed = true; super.close(); }
    
    public boolean isClosed()
        { return wasClosed; }
    }