AsyncResult (TSHPay API)

Type Parameters:

T - The expected data type of the result of the operation
```
public interface AsyncResult<T>
```
The result object that will be returned by all operations in this SDK. This generic result object will contain:
- A flag to easily determine if the operation is successful or not. See isSuccessful()
- The result object - This will contain the result of the operation, with the expected data type, should the operation be successful. See getResult()
- The error message - This will contain a descriptive message detailing the reasons for the failed operation. This will be null if the operation is successful. See getErrorMessage()

Method Summary

All Methods Instance Methods Abstract Methods
Modifier and Type	Method	Description
`java.util.HashMap<java.lang.String,java.lang.Object>`	`getAdditionalInformation()`	Returns additional information if available
`java.lang.Throwable`	`getCausingException()`	Return the causing Exception Object if available.
`int`	`getErrorCode()`	Returns the numeric error code for the failed operation.
`java.lang.String`	`getErrorMessage()`	Returns a descriptive error message if the operation failed.
`T`	`getResult()`	Returns the result object of the operation.
`boolean`	`isSuccessful()`	Defines if the operation executed successfully or not.

- Method Detail
  - isSuccessful
```
boolean isSuccessful()
```
    Defines if the operation executed successfully or not.
    
    Returns:
    
    Returns true if the operation executed successfully. Otherwise, it returns false.
  - getResult
```
T getResult()
```
    Returns the result object of the operation.
    
    Returns:
    
    The result of the operation.
  - getErrorMessage
```
java.lang.String getErrorMessage()
```
    Returns a descriptive error message if the operation failed. If the operation is successful, this will return null.
    
    Returns:
    
    String representation of the error message describing why the operation failed. It returns null if the operation is successful.
  - getErrorCode
```
int getErrorCode()
```
    Returns the numeric error code for the failed operation. If the operation is successful, this will return zero.
    
    Returns:
    
    code that indicates the numeric value for the particular error occurred.
  - getAdditionalInformation
```
java.util.HashMap<java.lang.String,java.lang.Object> getAdditionalInformation()
```
    Returns additional information if available
    
    Returns:
    
    hash map of additional information
  - getCausingException
```
java.lang.Throwable getCausingException()
```
    Return the causing Exception Object if available. Can be null
    
    Returns:
    
    the throwable