com.hazelcast.org.codehaus.janino.util.iterator.FilterIterator Maven / Gradle / Ivy


/*
 * Janino - An embedded Java[TM] com.hazelcast.com.iler
 *
 * Copyright (c) 2001-2010 Arno Unkrig. All rights reserved.
 * Copyright (c) 2015-2016 TIBCO Software Inc. All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without modification, are permitted provided that the
 * following conditions are met:
 *
 *    1. Redistributions of source code must retain the above copyright notice, this list of conditions and the
 *       following disclaimer.
 *    2. Redistributions in binary form must reproduce the above copyright notice, this list of conditions and the
 *       following disclaimer in the documentation and/or other materials provided with the distribution.
 *    3. Neither the name of the copyright holder nor the names of its contributors may be used to endorse or promote
 *       products derived from this software without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES,
 * INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
 * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
 * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
 * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 */

package com.hazelcast.org.codehaus.janino.util.iterator;

import java.util.Iterator;

/**
 * An {@link java.util.Iterator} that retrieves its elements from a delegate {@link java.util.Iterator}. The default
 * implementation simply passes all method invocations to the delegate.
 *
 * @param  The element type of the iterator
 */
public abstract
class FilterIterator implements Iterator {

    /**
     * @see FilterIterator
     */
    protected final Iterator delegate;

    public FilterIterator(Iterator delegate) { this.delegate = delegate; }

    @Override public boolean hasNext() { return this.delegate.hasNext(); }
    @Override public T       next()    { return this.delegate.next(); }
    @Override public void    remove()  { this.delegate.remove(); }
}