EnumeratedSequence.java

/**
 * Copyright 2015 Santhosh Kumar Tekuri
 *
 * The JLibs authors license 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 jlibs.core.graph.sequences;

import java.util.Enumeration;

/**
 * @author Santhosh Kumar T
 */
public class EnumeratedSequence<E> extends AbstractSequence<E>{
    private Enumeration<E> enumer;

    public EnumeratedSequence(Enumeration<E> enumer){
        this.enumer = enumer;
    }

    /*-------------------------------------------------[ Advaning ]---------------------------------------------------*/
    
    @Override
    protected E findNext(){
        return enumer.hasMoreElements() ? enumer.nextElement() : null;
    }

    /*-------------------------------------------------[ Reuse ]---------------------------------------------------*/
    
    @Override
    public void reset(){
        throw new UnsupportedOperationException();
    }

    @Override
    public EnumeratedSequence<E> copy(){
        throw new UnsupportedOperationException();
    }
}