Java Card API

transactionexception

2017-05-22 17:36:54 M&W SmartCard 3

javacard.framework

Class TransactionException


public class TransactionExceptionextends CardRuntimeException

TransactionException represents an exception in the transaction subsystem. The methods referred to in this class are in the JCSystem class. The JCSystem class and the transaction facility throw Java Card runtime environment-owned instances of TransactionException. Java Card runtime environment-owned instances of exception classes are temporary Java Card runtime environment Entry Point Objects and can be accessed from any applet context. References to these temporary objects cannot be stored in class variables or instance variables or array components. See Runtime Environment Specification for the Java Card Platform, section 6.2.1 for details.

See Also:JCSystem


Field Summary
static short BUFFER_FULL           This reason code is used during a transaction to indicate that the commit buffer is full.
static short IN_PROGRESS           This reason code is used by the beginTransaction method to indicate a transaction is already in progress.
static short INTERNAL_FAILURE           This reason code is used during a transaction to indicatean internal Java Card runtime environment problem (fatal error).
static short NOT_IN_PROGRESS           This reason code is used by the abortTransaction and commitTransaction methods when a transaction is not in progress.

 

Constructor Summary
TransactionException (short reason)          Constructs a TransactionException with the specified reason.

 

Method Summary
static void throwIt (short reason)          Throws the Java Card runtime environment-owned instance of TransactionException with the specified reason.

 

Methods inherited from class javacard.framework.CardRuntimeException
getReason , setReason

 

Methods inherited from class java.lang.Object
equals

 

Field Detail

IN_PROGRESS

public static final short IN_PROGRESS

This reason code is used by the beginTransaction method to indicate a transaction is already in progress.

See Also:Constant Field Values


NOT_IN_PROGRESS

public static final short NOT_IN_PROGRESS

This reason code is used by the abortTransaction and commitTransaction methods when a transaction is not in progress.

See Also:Constant Field Values


BUFFER_FULL

public static final short BUFFER_FULL

This reason code is used during a transaction to indicate that the commit buffer is full.

See Also:Constant Field Values


INTERNAL_FAILURE

public static final short INTERNAL_FAILURE

This reason code is used during a transaction to indicatean internal Java Card runtime environment problem (fatal error).

See Also:Constant Field Values

Constructor Detail

TransactionException

public TransactionException(short reason)

Constructs a TransactionException with the specified reason. To conserve on resources use throwIt() to use the Java Card runtime environment-owned instance of this class.

Method Detail

throwIt

public static void throwIt(short reason)

Throws the Java Card runtime environment-owned instance of TransactionException with the specified reason. Java Card runtime environment-owned instances of exception classes are temporary Java Card runtime environment Entry Point Objects and can be accessed from any applet context. References to these temporary objects cannot be stored in class variables or instance variables or array components. See Runtime Environment Specification for the Java Card Platform, section 6.2.1 for details.

Throws: TransactionException- always 


Home
Product
News
Contact us