/*
* 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 com.facebook.presto.spi.block.BlockBuilder;
import com.facebook.presto.spi.block.BlockBuilderStatus;
import com.facebook.presto.spi.block.VariableWidthBlockBuilder;
import com.fasterxml.jackson.annotation.JsonCreator;
import io.airlift.slice.Slice;
public class VarbinaryType
extends AbstractVariableWidthType
{
public static final VarbinaryType VARBINARY = new VarbinaryType();
@JsonCreator
public VarbinaryType()
{
super("varbinary", Slice.class);
}
public static VarbinaryType getInstance()
{
return VARBINARY;
}
@Override
public boolean isComparable()
{
return true;
}
@Override
public boolean isOrderable()
{
return true;
}
@Override
public Object getObjectValue(ConnectorSession session, Block block, int position)
{
if (block.isNull(position)) {
return null;
}
return new SqlVarbinary(block.getSlice(position, 0, block.getLength(position)).getBytes());
}
@Override
public boolean equalTo(Block leftBlock, int leftPosition, Block rightBlock, int rightPosition)
{
int leftLength = leftBlock.getLength(leftPosition);
int rightLength = rightBlock.getLength(rightPosition);
if (leftLength != rightLength) {
return false;
}
return leftBlock.equals(leftPosition, 0, rightBlock, rightPosition, 0, leftLength);
}
@Override
public int hash(Block block, int position)
{
return block.hash(position, 0, block.getLength(position));
}
@Override
public int compareTo(Block leftBlock, int leftPosition, Block rightBlock, int rightPosition)
{
int leftLength = leftBlock.getLength(leftPosition);
int rightLength = rightBlock.getLength(rightPosition);
return leftBlock.compareTo(leftPosition, 0, leftLength, rightBlock, rightPosition, 0, rightLength);
}
@Override
public void appendTo(Block block, int position, BlockBuilder blockBuilder)
{
if (block.isNull(position)) {
blockBuilder.appendNull();
}
else {
block.writeBytesTo(position, 0, block.getLength(position), blockBuilder);
blockBuilder.closeEntry();
}
}
@Override
public Slice getSlice(Block block, int position)
{
return block.getSlice(position, 0, block.getLength(position));
}
@Override
public void writeSlice(BlockBuilder blockBuilder, Slice value)
{
writeSlice(blockBuilder, value, 0, value.length());
}
@Override
public void writeSlice(BlockBuilder blockBuilder, Slice value, int offset, int length)
{
blockBuilder.writeBytes(value, offset, length).closeEntry();
}
@Override
public BlockBuilder createBlockBuilder(BlockBuilderStatus blockBuilderStatus)
{
return new VariableWidthBlockBuilder(blockBuilderStatus);
}
}