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.runtime;
  
  import org.apache.calcite.avatica.util.PositionedCursor;
  import org.apache.calcite.linq4j.Enumerator;
  
  /**
   * Implementation of {@link org.apache.calcite.avatica.util.Cursor} on top of an
   * {@link org.apache.calcite.linq4j.Enumerator} that
   * returns an {@link Object} for each row.
   */
  public class ObjectEnumeratorCursor extends PositionedCursor<Object> {
    private final Enumerator<Object> enumerator;
  
    /**
     * Creates an ObjectEnumeratorCursor.
     *
     * @param enumerator Enumerator
     */
    public ObjectEnumeratorCursor(Enumerator<Object> enumerator) {
      this.enumerator = enumerator;
    }
  
    @Override protected Getter createGetter(int ordinal) {
      return new ObjectGetter(ordinal);
    }
  
    @Override protected Object current() {
      return enumerator.current();
    }
  
    @Override public boolean next() {
      return enumerator.moveNext();
    }
  
    @Override public void close() {
      enumerator.close();
    }
  }
  