package guide;

import java.util.Arrays;

import org.zeromq.ZFrame;

import org.zeromq.ZMQ;

/**

* Majordomo Protocol definitions, Java version

*/

public enum MDP

{

/**

* This is the version of MDP/Client we implement

*/

C_CLIENT("MDPC01"),

/**

* This is the version of MDP/Worker we implement

*/

W_WORKER("MDPW01"),

// MDP/Server commands, as byte values

W_READY(1),

W_REQUEST(2),

W_REPLY(3),

W_HEARTBEAT(4),

W_DISCONNECT(5);

private final byte[] data;

MDP(String value)

{

this.data = value.getBytes(ZMQ.CHARSET);

}

MDP(int value)

{ //watch for ints>255, will be truncated

byte b = (byte) (value & 0xFF);

this.data = new byte[] { b };

}

public ZFrame newFrame()

{

return new ZFrame(data);

}

public boolean frameEquals(ZFrame frame)

{

return Arrays.equals(data, frame.getData());

}

}