content: /*
   * 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.calcite.linq4j;
  
  /**
   * Simple enumerator that just delegates all calls to the passed enumerator.
   *
   * @param <T> type of value to return, as passed from the delegate enumerator
   */
  public class DelegatingEnumerator<T> implements Enumerator<T> {
    protected final Enumerator<T> delegate;
  
    public DelegatingEnumerator(Enumerator<T> delegate) {
      this.delegate = delegate;
    }
  
    @Override public T current() {
      return delegate.current();
    }
  
    @Override public boolean moveNext() {
      return delegate.moveNext();
    }
  
    @Override public void reset() {
      delegate.reset();
    }
  
    @Override public void close() {
      delegate.close();
    }
  }
  