/*
* 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.PrestoException;
import com.facebook.presto.spi.block.Block;
import com.facebook.presto.spi.block.BlockBuilder;
import static com.facebook.presto.spi.StandardErrorCode.GENERIC_INTERNAL_ERROR;
import static com.facebook.presto.spi.type.TypeSignature.parseTypeSignature;
public final class IntegerType
extends AbstractIntType
{
public static final IntegerType INTEGER = new IntegerType();
private IntegerType()
{
super(parseTypeSignature(StandardTypes.INTEGER));
}
@Override
public Object getObjectValue(ConnectorSession session, Block block, int position)
{
if (block.isNull(position)) {
return null;
}
return block.getInt(position, 0);
}
@Override
public final void writeLong(BlockBuilder blockBuilder, long value)
{
if (value > Integer.MAX_VALUE) {
throw new PrestoException(GENERIC_INTERNAL_ERROR, String.format("Value %d exceeds MAX_INT", value));
}
else if (value < Integer.MIN_VALUE) {
throw new PrestoException(GENERIC_INTERNAL_ERROR, String.format("Value %d is less than MIN_INT", value));
}
blockBuilder.writeInt((int) value).closeEntry();
}
@Override
@SuppressWarnings("EqualsWhichDoesntCheckParameterClass")
public boolean equals(Object other)
{
return other == INTEGER;
}
@Override
public int hashCode()
{
return getClass().hashCode();
}
}