/**
* 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.hadoop.zebra.pig.comparator;
import org.joda.time.DateTime;
public final class DateTimeExpr extends FixedLengthPrimitive {
private static final int ONE_MINUTE = 60000;
public DateTimeExpr(int index) {
super(index, (Long.SIZE + Short.SIZE) / Byte.SIZE);
}
protected void convertValue(byte[] b, Object o) {
if (b.length != (Long.SIZE + Short.SIZE) / Byte.SIZE) {
throw new IllegalArgumentException("Incorrect buffer size");
}
long dt = ((DateTime) o).getMillis();
dt ^= 1L << (Long.SIZE - 1);
b[7] = (byte) dt;
b[6] = (byte) (dt >> 8);
b[5] = (byte) (dt >> 16);
b[4] = (byte) (dt >> 24);
b[3] = (byte) (dt >> 32);
b[2] = (byte) (dt >> 40);
b[1] = (byte) (dt >> 48);
b[0] = (byte) (dt >> 56);
short dtz = (short) (((DateTime) o).getZone().getOffset((DateTime) o) / ONE_MINUTE);
dtz ^= 1 << (Short.SIZE - 1);
b[9] = (byte) dtz;
b[8] = (byte) (dtz >> 8);
}
@Override
protected String getType() {
return "DateTime";
}
}