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sendMessage
Sends a message to the communication box.
The error status of this API is the result of sending data to the devices.
The processing result of the devices using this API is notified to the set listener method.
Syntax
public void sendMessage (String message, String targetId,SendMessageCallback callback) throws Epos2Exception |
Parameter
message
Specifies data to send to the communication box.
targetId
Specifies the member ID of the receiver.
When null or "" (blank character) is specified, data is sent to all the members other than the transmitter.
callback
Specifies an object which has a notification target method.
Exception
When the process fails, Epos2Exception with one of the following error value occurs.
|
Error status |
Description |
|---|---|
|
ERR_PARAM |
An invalid parameter was passed. |
|
ERR_MEMORY |
Memory necessary for processing could not be allocated. |
|
ERR_FAILURE |
An unknown error occurred. |
|
ERR_PROCESSING |
Could not run the process. |
|
ERR_ILLEGAL |
This API was called while no communication had been started. |
Listener interface
public interface SendMessageCallback extends EventListener |
Definition of the listener method
void onCommBoxSendMessage (CommBox commBoxObj,int code, int count) |
Parameter
commBoxObj
The callback source object is stored.
code
|
Error status |
Description |
|---|---|
|
CODE_SUCCESS |
Processed successfully. |
|
CODE_ERR_NOT_FOUND |
Specified member ID cannot be found. |
|
CODE_ERR_FAILURE |
An unknown error occurred. |
count
Number of clients which tried to send the message is stored.
Quick Access
- Syntax
- Parameter
- Exception
- Listener interface
- Definition of the listener method
- Parameter
