CappedValues.java

/*
 * *****************************************************************************
 * Copyright (C) 2002-2013 by Pentaho : http://www.pentaho.com
 * *****************************************************************************
 *
 * 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 org.pentaho.kettle.engines.storm;

import backtype.storm.tuple.Values;

/**
 * A convenience class for making tuples of values with at most {@code N}
 * values.
 */
@SuppressWarnings("serial")
public class CappedValues extends Values {
  public CappedValues(int maxValues, Object... values) {
    if (maxValues < 1) {
      throw new IllegalArgumentException("max values must be > 0");
    }

    int max = Math.min(values.length, maxValues);
    for (int i = 0; i < max; i++) {
      add(values[i]);
    }
  }

}