com.github.housepower.jdbc.protocol.DataResponse Maven / Gradle / Ivy

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/*
 * 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.github.housepower.jdbc.protocol;

import com.github.housepower.jdbc.connect.PhysicalInfo;
import com.github.housepower.jdbc.data.Block;
import com.github.housepower.jdbc.serializer.BinaryDeserializer;
import com.github.housepower.jdbc.serializer.BinarySerializer;

import java.io.IOException;
import java.sql.SQLException;

public class DataResponse extends RequestOrResponse {

    private final String name;
    private final Block block;

    public DataResponse(String name, Block block) {
        super(ProtocolType.RESPONSE_Data);
        this.name = name;
        this.block = block;
    }

    @Override
    public void writeImpl(BinarySerializer serializer) throws IOException {
        throw new UnsupportedOperationException("DataResponse Cannot write to Server.");
    }

    public static DataResponse readFrom(BinaryDeserializer deserializer, PhysicalInfo.ServerInfo info)
        throws IOException, SQLException {
        String name = deserializer.readStringBinary();

        deserializer.maybeEnableCompressed();
        Block block = Block.readFrom(deserializer, info);
        deserializer.maybeDisenableCompressed();

        return new DataResponse(name, block);
    }

    public Block block() {
        return block;
    }
}