enumerationiterator.java

来自「bpel执行引擎用来执行bpel业务流程」· Java 代码 · 共 49 行

/*
 * 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.ode.utils.stl;

import java.util.Enumeration;
import java.util.Iterator;


/**
 * Adapter class, adapting <code>Enumeration</code> objects to the
 * <code>Iterator</code> interface.
 */
public class EnumerationIterator<T> implements Iterator<T> {
  private Enumeration<T> _enum;

  public EnumerationIterator(Enumeration<T> e) {
    _enum = e;
  }

  public boolean hasNext() {
    return _enum.hasMoreElements();
  }

  public T next() {
    return _enum.nextElement();
  }

  public void remove() {
    throw new UnsupportedOperationException("Method remove() not supported.");
  }

}