/*
* 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.type;
import com.facebook.presto.operator.scalar.ColorFunctions;
import com.facebook.presto.spi.ConnectorSession;
import com.facebook.presto.spi.block.Block;
import com.facebook.presto.spi.type.AbstractIntType;
import com.facebook.presto.spi.type.TypeSignature;
public class ColorType
extends AbstractIntType
{
public static final ColorType COLOR = new ColorType();
public static final String NAME = "color";
private ColorType()
{
super(new TypeSignature(NAME));
}
@Override
public boolean isOrderable()
{
return false;
}
@Override
public int compareTo(Block leftBlock, int leftPosition, Block rightBlock, int rightPosition)
{
throw new UnsupportedOperationException();
}
@Override
public Object getObjectValue(ConnectorSession session, Block block, int position)
{
if (block.isNull(position)) {
return null;
}
int color = block.getInt(position, 0);
if (color < 0) {
return ColorFunctions.SystemColor.valueOf(-(color + 1)).getName();
}
return String.format("#%02x%02x%02x",
(color >> 16) & 0xFF,
(color >> 8) & 0xFF,
color & 0xFF);
}
@Override
@SuppressWarnings("EqualsWhichDoesntCheckParameterClass")
public boolean equals(Object other)
{
return other == COLOR;
}
@Override
public int hashCode()
{
return getClass().hashCode();
}
}