commons-jcs-jcache/src/main/java/org/apache/commons/jcs3/jcache/ImmutableIterator.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.commons.jcs3.jcache;

import java.util.Iterator;

public class ImmutableIterator<T> implements Iterator<T>
{
    private final Iterator<T> delegate;

    public ImmutableIterator(final Iterator<T> delegate)
    {
        this.delegate = delegate;
    }

    @Override
    public boolean hasNext()
    {
        return delegate.hasNext();
    }

    @Override
    public T next()
    {
        return delegate.next();
    }

    @Override
    public void remove()
    {
        throw new UnsupportedOperationException("this iterator is immutable");
    }
}