Package megameklab.util

Class SingleInstanceService

java.lang.Object

megameklab.util.SingleInstanceService

public class SingleInstanceService
extends Object

Nested Class Summary

Nested Classes

Modifier and Type	Class	Description
static interface	SingleInstanceService.MessageHandler	Functional interface for message handling

Constructor Summary

Constructors

Constructor	Description
SingleInstanceService(String applicationId)	Creates a new single instance service
SingleInstanceService(String applicationId, int port)	Creates a new single instance service with specific port

Method Summary

Modifier and Type	Method	Description
void	cleanup()	Clean up resources
boolean	isRunning()	Check if the service is running
boolean	register()	Register this as the primary instance
void	sendMessage(String message)	Send a message to the running instance
void	setMessageHandler(SingleInstanceService.MessageHandler handler)	Sets a handler for messages from other instances

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Details

SingleInstanceService

public SingleInstanceService(String applicationId)

Creates a new single instance service

Parameters:

applicationId - Unique identifier for this application

SingleInstanceService

public SingleInstanceService(String applicationId,
 int port)

Creates a new single instance service with specific port

Parameters:

applicationId - Unique identifier for this application

port - Port to use for communication

Method Details

register

public boolean register()

Register this as the primary instance

Returns:

true if this is the first instance, false otherwise

sendMessage

public void sendMessage(String message)

Send a message to the running instance

Parameters:

message - Message to send

setMessageHandler

public void setMessageHandler(SingleInstanceService.MessageHandler handler)

Sets a handler for messages from other instances

Parameters:

handler - Handler to process messages

cleanup

public void cleanup()

Clean up resources

isRunning

public boolean isRunning()

Check if the service is running