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'rapiddweller Common' is an open source Java library forked from Databene Commons by Volker Bergmann. It provides extensions to the Java core library by utility classes, abstract concepts and concrete implementations.

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/*
 * Copyright (C) 2004-2015 Volker Bergmann ([email protected]).
 * All rights reserved.
 *
 * Licensed 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 com.rapiddweller.common.iterator;

/**
 * Special sub type of {@link Iterable} which creates {@link SelectiveTabularIterator}s.
 * Created: 26.01.2012 18:31:04
 *
 * @author Volker Bergmann
 * @since 0.5.14
 */
public class SelectiveTabularIterable implements TabularIterable {

  private final TabularIterable source;
  private final String[] columnNames;

  /**
   * Instantiates a new Selective tabular iterable.
   *
   * @param source      the source
   * @param columnNames the column names
   */
  public SelectiveTabularIterable(TabularIterable source, String... columnNames) {
    this.source = source;
    this.columnNames = columnNames;
  }

  @Override
  public TabularIterator iterator() {
    return new SelectiveTabularIterator(source.iterator(), columnNames);
  }

}