com.haulmont.cuba.gui.exception

Class UniqueConstraintViolationHandler

java.lang.Object

com.haulmont.cuba.gui.exception.UniqueConstraintViolationHandler

All Implemented Interfaces:

GenericExceptionHandler, org.springframework.core.Ordered

@Component(value="cuba_UniqueConstraintViolationHandler")
public class UniqueConstraintViolationHandler
extends java.lang.Object
implements GenericExceptionHandler, org.springframework.core.Ordered

Handles database unique constraint violations. Determines the exception type by searching a special marker string in the messages of all exceptions in the chain.

Field Summary

Fields inherited from interface com.haulmont.cuba.gui.exception.GenericExceptionHandler

HIGHEST_PLATFORM_PRECEDENCE, LOWEST_PLATFORM_PRECEDENCE

Fields inherited from interface org.springframework.core.Ordered

HIGHEST_PRECEDENCE, LOWEST_PRECEDENCE

Constructor Summary

Constructors

Constructor and Description
UniqueConstraintViolationHandler()

Method Summary

Modifier and Type	Method and Description
int	getOrder()
boolean	handle(java.lang.Throwable exception, WindowManager windowManager) Handle an exception.

Methods inherited from class java.lang.Object

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

Constructor Detail

UniqueConstraintViolationHandler

public UniqueConstraintViolationHandler()

Method Detail

handle

public boolean handle(java.lang.Throwable exception,
                      WindowManager windowManager)

Description copied from interface: GenericExceptionHandler

Handle an exception. Implementation class should either handle the exception and return true, or return false to delegate execution to the next handler in the chain of responsibility.

Specified by:

handle in interface GenericExceptionHandler

Parameters:

exception - exception instance

windowManager - WindowManager instance

Returns:

true if the exception has been successfully handled, false if not

getOrder

public int getOrder()

Specified by:

getOrder in interface org.springframework.core.Ordered