MinuteFieldPartitioner.java

/**
 * Copyright 2013 Cloudera Inc.
 *
 * 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.cloudera.cdk.data.partition;

import com.google.common.annotations.Beta;
import java.text.NumberFormat;
import java.util.Calendar;

@Beta
@edu.umd.cs.findbugs.annotations.SuppressWarnings(
    value="SE_COMPARATOR_SHOULD_BE_SERIALIZABLE",
    justification="Implement if we intend to use in Serializable objects "
        + " (e.g., TreeMaps) and use java serialization.")
public class MinuteFieldPartitioner extends CalendarFieldPartitioner {
  private final NumberFormat format;

  public MinuteFieldPartitioner(String sourceName, String name) {
    super(sourceName, name, Calendar.MINUTE, 60);
    format = NumberFormat.getIntegerInstance();
    format.setMinimumIntegerDigits(2);
    format.setMaximumIntegerDigits(2);
  }

  @Override
  @Deprecated
  public String valueToString(Integer value) {
    return format.format(value);
  }
}