| /* |
| * 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.pirk.schema.data.partitioner; |
| |
| import java.math.BigInteger; |
| import java.text.ParseException; |
| import java.util.List; |
| |
| import org.apache.pirk.utils.ISO8601DateParser; |
| import org.apache.pirk.utils.PIRException; |
| |
| /** |
| * Partitioner class for ISO8061 dates |
| * <p> |
| * Assumes that the dates are passed to the partitioner in String format |
| */ |
| public class ISO8601DatePartitioner implements DataPartitioner |
| { |
| private static final long serialVersionUID = 1L; |
| |
| private final PrimitiveTypePartitioner ptp = new PrimitiveTypePartitioner(); |
| |
| @Override |
| public List<BigInteger> toPartitions(Object object, String type) throws PIRException |
| { |
| long dateLongFormat; |
| try |
| { |
| dateLongFormat = ISO8601DateParser.getLongDate((String) object); |
| } catch (ParseException e) |
| { |
| throw new PIRException("Unable to parse ISO8601 date " + object, e); |
| } |
| |
| return ptp.toPartitions(dateLongFormat, PrimitiveTypePartitioner.LONG); |
| } |
| |
| @Override |
| public Object fromPartitions(List<BigInteger> parts, int partsIndex, String type) throws PIRException |
| { |
| long dateLongFormat = (long) ptp.fromPartitions(parts, partsIndex, PrimitiveTypePartitioner.LONG); |
| |
| return ISO8601DateParser.fromLongDate(dateLongFormat); |
| } |
| |
| @Override |
| public int getBits(String type) |
| { |
| return Long.SIZE; |
| } |
| |
| @Override |
| public List<BigInteger> arrayToPartitions(List<?> elementList, String type) throws PIRException |
| { |
| return ptp.arrayToPartitions(elementList, PrimitiveTypePartitioner.LONG); |
| } |
| |
| @Override |
| public List<BigInteger> getPaddedPartitions(String type) throws PIRException |
| { |
| return ptp.getPaddedPartitions(PrimitiveTypePartitioner.LONG); |
| } |
| |
| @Override |
| public int getNumPartitions(String type) throws PIRException |
| { |
| return ptp.getNumPartitions(PrimitiveTypePartitioner.LONG); |
| } |
| } |