| /* |
| * Copyright 2009-2011 by The Regents of the University of California |
| * 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 from |
| * |
| * 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 edu.uci.ics.asterix.dataflow.data.nontagged.serde; |
| |
| import java.io.DataInput; |
| import java.io.DataOutput; |
| import java.io.IOException; |
| |
| import edu.uci.ics.asterix.formats.nontagged.AqlSerializerDeserializerProvider; |
| import edu.uci.ics.asterix.om.base.ADate; |
| import edu.uci.ics.asterix.om.base.AMutableDate; |
| import edu.uci.ics.asterix.om.base.temporal.ADateAndTimeParser; |
| import edu.uci.ics.asterix.om.base.temporal.GregorianCalendarSystem; |
| import edu.uci.ics.asterix.om.base.temporal.StringCharSequenceAccessor; |
| import edu.uci.ics.asterix.om.types.BuiltinType; |
| import edu.uci.ics.hyracks.api.dataflow.value.ISerializerDeserializer; |
| import edu.uci.ics.hyracks.api.exceptions.HyracksDataException; |
| |
| public class ADateSerializerDeserializer implements ISerializerDeserializer<ADate> { |
| |
| private static final long serialVersionUID = 1L; |
| |
| public static final ADateSerializerDeserializer INSTANCE = new ADateSerializerDeserializer(); |
| @SuppressWarnings("unchecked") |
| private static final ISerializerDeserializer<ADate> dateSerde = AqlSerializerDeserializerProvider.INSTANCE |
| .getSerializerDeserializer(BuiltinType.ADATE); |
| |
| private ADateSerializerDeserializer() { |
| } |
| |
| @Override |
| public ADate deserialize(DataInput in) throws HyracksDataException { |
| try { |
| return new ADate(in.readInt()); |
| } catch (IOException e) { |
| throw new HyracksDataException(e); |
| } |
| } |
| |
| @Override |
| public void serialize(ADate instance, DataOutput out) throws HyracksDataException { |
| try { |
| out.writeInt(instance.getChrononTimeInDays()); |
| } catch (IOException e) { |
| throw new HyracksDataException(e); |
| } |
| } |
| |
| public static void parse(String date, DataOutput out) throws HyracksDataException { |
| AMutableDate aDate = new AMutableDate(0); |
| |
| long chrononTimeInMs = 0; |
| try { |
| StringCharSequenceAccessor charAccessor = new StringCharSequenceAccessor(); |
| charAccessor.reset(date, 0); |
| chrononTimeInMs = ADateAndTimeParser.parseDatePart(charAccessor, true); |
| } catch (Exception e) { |
| throw new HyracksDataException(e); |
| } |
| |
| short temp = 0; |
| if (chrononTimeInMs < 0 && chrononTimeInMs % GregorianCalendarSystem.CHRONON_OF_DAY != 0) { |
| temp = 1; |
| } |
| aDate.setValue((int) (chrononTimeInMs / GregorianCalendarSystem.CHRONON_OF_DAY) - temp); |
| |
| dateSerde.serialize(aDate, out); |
| } |
| } |