/*
 * 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.spi.ConnectorSession;
import com.facebook.presto.spi.PrestoException;
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.type.AbstractType;
import com.facebook.presto.spi.type.TypeSignature;
import io.airlift.joni.Regex;

import static com.facebook.presto.spi.StandardErrorCode.GENERIC_INTERNAL_ERROR;

public class JoniRegexpType
        extends AbstractType
{
    public static final JoniRegexpType JONI_REGEXP = new JoniRegexpType();
    public static final String NAME = "JoniRegExp";

    public JoniRegexpType()
    {
        super(new TypeSignature(NAME), Regex.class);
    }

    @Override
    public Object getObjectValue(ConnectorSession session, Block block, int position)
    {
        throw new UnsupportedOperationException();
    }

    @Override
    public void appendTo(Block block, int position, BlockBuilder blockBuilder)
    {
        throw new UnsupportedOperationException();
    }

    @Override
    public BlockBuilder createBlockBuilder(BlockBuilderStatus blockBuilderStatus, int expectedEntries, int expectedBytesPerEntry)
    {
        throw new PrestoException(GENERIC_INTERNAL_ERROR, "RegExp type cannot be serialized");
    }

    @Override
    public BlockBuilder createBlockBuilder(BlockBuilderStatus blockBuilderStatus, int expectedEntries)
    {
        throw new PrestoException(GENERIC_INTERNAL_ERROR, "RegExp type cannot be serialized");
    }
}
