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.asterix.om.base;
  
  import java.util.List;
  
  public class ACollectionCursor implements IACursor {
  
      private List<IAObject> values;
      private int pos;
      private int size;
      private IAObject object = null;
  
      @Override
      public boolean next() {
          pos++;
          if (pos < size) {
              object = values.get(pos);
              return true;
          } else {
              object = null;
              return false;
          }
      }
  
      @Override
      public IAObject get() { // returns the current object
          return object;
      }
  
      @Override
      public void reset() {
          pos = -1;
          size = values.size();
      }
  
      public void reset(AUnorderedList bag) {
          this.values = bag.values;
          reset();
      }
  
      public void reset(AOrderedList list) {
          this.values = list.values;
          reset();
      }
  
  }
  