com.alachisoft.ncache.client.internal.command.GetNextChunkCommand Maven / Gradle / Ivy

Go to download
/*
 * To change this template, choose Tools | Templates
 * and open the template in the editor.
 */

package com.alachisoft.ncache.client.internal.command;

import com.alachisoft.ncache.common.protobuf.CommandProtocol;
import com.alachisoft.ncache.common.protobuf.EnumerationPointerProtocol;
import com.alachisoft.ncache.common.protobuf.GetNextChunkCommandProtocol;
import com.alachisoft.ncache.runtime.exceptions.CommandException;

import java.io.ByteArrayOutputStream;
import java.io.IOException;
import java.nio.charset.StandardCharsets;

/**
 * @author Administrator
 */
public class GetNextChunkCommand extends Command {

    private String id;
    private int chunckId;
    private boolean isDisposed;
    protected com.alachisoft.ncache.common.protobuf.GetNextChunkCommandProtocol.GetNextChunkCommand _commandInstance;

    public GetNextChunkCommand(String id, int chunckId, boolean isDisposed) {
        this.id = id;
        this.chunckId = chunckId;
        this.isDisposed = isDisposed;
    }

    @Override
    protected void createCommand() throws CommandException {

        EnumerationPointerProtocol.EnumerationPointer.Builder pointerBuilder =
                EnumerationPointerProtocol.EnumerationPointer.newBuilder();
        pointerBuilder.setChunkId(chunckId)
                .setId(id)
                .setIsDisposed(isDisposed);

        GetNextChunkCommandProtocol.GetNextChunkCommand.Builder builder =
                GetNextChunkCommandProtocol.GetNextChunkCommand.newBuilder();

        builder = builder.setRequestId(this.getRequestId())
                .setEnumerationPointer(pointerBuilder);


        _commandInstance =builder.build();
    }

    @Override
    public CommandType getCommandType() {
        return CommandType.GET_NEXT_CHUNK;
    }


    @Override
    public RequestType getCommandRequestType() {
        return RequestType.ChunkRead;
    }

    @Override
    protected  void serializeCommandInternal(ByteArrayOutputStream stream) throws IOException
    {
        _commandInstance.writeTo(stream);
    }
    @Override
    protected short getCommandHandle()
    {
        return (short)CommandProtocol.Command.Type.GET_NEXT_CHUNK.getNumber();
    }

}