server
Class RemoteServerWithDisplay
java.lang.Object
|
+--java.rmi.server.RemoteObject
|
+--java.rmi.server.RemoteServer
|
+--java.rmi.server.UnicastRemoteObject
|
+--server.RemoteServerWithDisplay
- All Implemented Interfaces:
- java.rmi.Remote, RemoteServerInterface, java.io.Serializable
- public class RemoteServerWithDisplay
- extends java.rmi.server.UnicastRemoteObject
- implements RemoteServerInterface
Class RemoteServerWithDisplay is a version the RemoteServer class that adds
a simple GUI display. The point is to illustrate that a remote server can
have its own GUI, including client-invoked methods that update the display.
- See Also:
- Serialized Form
Field Summary |
protected ClientDataInterface |
clientData
Local copy of client input for computing with |
protected static javax.swing.JFrame |
frame
JFrame for the display window |
protected int |
serverOutput
Value computed by the server |
protected static javax.swing.JTextField |
textField
Text field to display the received client data |
Fields inherited from class java.rmi.server.RemoteObject |
ref |
Method Summary |
void |
compute()
Perform some computation using the client input. |
java.lang.Object |
getServerOutput()
Return computation results back to the client, when the client calls for
it. |
static void |
main(java.lang.String[] args)
Set up the display and perform necessary setup for remote execution. |
void |
receiveClientInput(ClientDataInterface clientData)
Receive some input from the client. |
protected static void |
setupDisplay()
Set up the display as a JFrame with a labled, unediable text field. |
Methods inherited from class java.rmi.server.UnicastRemoteObject |
clone, exportObject, exportObject, exportObject, unexportObject |
Methods inherited from class java.rmi.server.RemoteServer |
getClientHost, getLog, setLog |
Methods inherited from class java.rmi.server.RemoteObject |
equals, getRef, hashCode, toString, toStub |
Methods inherited from class java.lang.Object |
finalize, getClass, notify, notifyAll, wait, wait, wait |
clientData
protected ClientDataInterface clientData
- Local copy of client input for computing with
serverOutput
protected int serverOutput
- Value computed by the server
textField
protected static javax.swing.JTextField textField
- Text field to display the received client data
frame
protected static javax.swing.JFrame frame
- JFrame for the display window
RemoteServerWithDisplay
public RemoteServerWithDisplay()
throws java.rmi.RemoteException
- Construct this by calling the parent constructor.
receiveClientInput
public void receiveClientInput(ClientDataInterface clientData)
throws java.rmi.RemoteException
- Receive some input from the client. Store a local copy for computation
use. Also, display the data in the server's display window.
- Specified by:
receiveClientInput
in interface RemoteServerInterface
compute
public void compute()
throws java.rmi.RemoteException
- Perform some computation using the client input. In this case, we
simply add 1 to the numeric input value.
- Specified by:
compute
in interface RemoteServerInterface
getServerOutput
public java.lang.Object getServerOutput()
throws java.rmi.RemoteException
- Return computation results back to the client, when the client calls for
it.
- Specified by:
getServerOutput
in interface RemoteServerInterface
setupDisplay
protected static void setupDisplay()
throws java.rmi.RemoteException
- Set up the display as a JFrame with a labled, unediable text field.
main
public static void main(java.lang.String[] args)
- Set up the display and perform necessary setup for remote execution.