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package org.reprap;
import java.io.IOException;
import org.reprap.comms.Address;
import org.reprap.comms.Communicator;
import org.reprap.comms.IncomingContext;
import org.reprap.comms.OutgoingMessage;
import org.reprap.comms.IncomingMessage.InvalidPayloadException;
import org.reprap.comms.messages.VersionRequestMessage;
import org.reprap.comms.messages.VersionResponseMessage;
/**
* Class implements an abstract device containing the basic properties and methods.
* An "implemented" device refers to for example a UCB/Stepper motor combination,
* extruder or other.
*/
public abstract class Device {
/**
* Adress of the device. Identifier returned by the firmware in the device
*/
private Address address;
/**
* Communicator
*
*/
private Communicator communicator;
/**
* Basic constructor for a device.
* @param communicator communicator used by the device
* @param address address of the device
*/
public Device(Communicator communicator, Address address) {
this.communicator = communicator;
this.address = address;
}
/**
* @return the adress of the device
*/
public Address getAddress() {
return address;
}
/**
* @return the communicator
*/
public Communicator getCommunicator() {
return communicator;
}
/**
* @return Version ID of the firmware the device is running
* @throws IOException
* @throws InvalidPayloadException
*/
public int getVersion() throws IOException, InvalidPayloadException {
VersionRequestMessage request = new VersionRequestMessage();
IncomingContext replyContext = sendMessage(request);
VersionResponseMessage reply = new VersionResponseMessage(replyContext);
return reply.getVersion();
}
/**
* @param message
* @return incoming context
* @throws IOException
*/
public IncomingContext sendMessage(OutgoingMessage message) throws IOException {
return communicator.sendMessage(this, message);
}
/**
* Method to lock communication to this device.
* <p>TODO: when called?</P>
*/
protected void lock() {
communicator.lock();
}
/**
* Method to unlock communication to this device
* <p>TODO: when called?</P>
*
*/
protected void unlock() {
communicator.unlock();
}
}
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