/*
* 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.facebook.presto.spi.type;
import com.facebook.presto.spi.ConnectorSession;
import com.facebook.presto.spi.block.Block;
import static com.facebook.presto.spi.type.DateTimeEncoding.unpackMillisUtc;
import static com.facebook.presto.spi.type.TypeSignature.parseTypeSignature;
public final class TimestampWithTimeZoneType
extends AbstractLongType
{
public static final TimestampWithTimeZoneType TIMESTAMP_WITH_TIME_ZONE = new TimestampWithTimeZoneType();
private TimestampWithTimeZoneType()
{
super(parseTypeSignature(StandardTypes.TIMESTAMP_WITH_TIME_ZONE));
}
@Override
public Object getObjectValue(ConnectorSession session, Block block, int position)
{
if (block.isNull(position)) {
return null;
}
return new SqlTimestampWithTimeZone(block.getLong(position, 0));
}
@Override
public boolean equalTo(Block leftBlock, int leftPosition, Block rightBlock, int rightPosition)
{
long leftValue = unpackMillisUtc(leftBlock.getLong(leftPosition, 0));
long rightValue = unpackMillisUtc(rightBlock.getLong(rightPosition, 0));
return leftValue == rightValue;
}
@Override
public long hash(Block block, int position)
{
return AbstractLongType.hash(unpackMillisUtc(block.getLong(position, 0)));
}
@Override
public int compareTo(Block leftBlock, int leftPosition, Block rightBlock, int rightPosition)
{
long leftValue = unpackMillisUtc(leftBlock.getLong(leftPosition, 0));
long rightValue = unpackMillisUtc(rightBlock.getLong(rightPosition, 0));
return Long.compare(leftValue, rightValue);
}
@Override
@SuppressWarnings("EqualsWhichDoesntCheckParameterClass")
public boolean equals(Object other)
{
return other == TIMESTAMP_WITH_TIME_ZONE;
}
@Override
public int hashCode()
{
return getClass().hashCode();
}
}