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

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

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

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

/**
 * @author Asad Hasnain
 */
public final class CloseStreamCommand extends Command {

    private CloseStreamCommandProtocol.CloseStreamCommand.Builder closeStreamCommand;
    protected com.alachisoft.ncache.common.protobuf.CloseStreamCommandProtocol.CloseStreamCommand _commandInstance;

    public CloseStreamCommand(String key, String lockHandle , int methodOverload) {
        closeStreamCommand = CloseStreamCommandProtocol.CloseStreamCommand.newBuilder();
        closeStreamCommand.setKey(key);
        closeStreamCommand.setLockHandle(lockHandle);
        closeStreamCommand.setMethodOverload(methodOverload);
    }

    public void createCommand() throws CommandException {

        if (closeStreamCommand.getKey() == null) {
            throw new NullPointerException("Key");
        }
        if (closeStreamCommand.getKey().equals("")) {
            throw new IllegalArgumentException("key");
        }

        _commandInstance =closeStreamCommand.setRequestId(this.getRequestId()).build();

    }


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

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

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