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From "Dibyendu Majumdar (JIRA)" <j...@apache.org>
Subject [jira] Updated: (DERBY-3451) Remove dependency between StandardException class and org.apache.derby.impl.jdbc classes.
Date Fri, 22 Feb 2008 23:35:19 GMT

     [ https://issues.apache.org/jira/browse/DERBY-3451?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Dibyendu Majumdar updated DERBY-3451:
-------------------------------------

    Description: 
In the package org.apache.derby.iapi.error, the class StandardException contains references
to following classes:
org.apache.derby.impl.jdbc.Util
org.apache.derby.impl.jdbc.EmbedSQLException

This is undesirable as it introduces a dependency between StandardException and the implementation
of EmbedSQLException.


  was:
In the package org.apache.derby.iapi.error, the class StandardException contains references
to following classes:
org.apache.derby.impl.jdbc.Util
org.apache.derby.impl.jdbc.EmbedSQLException

This is undesirable as it introduces a dependency between StandardException and the implementation
of EmbedSQLException.

To remove this dependency, following changes have been made.

A new interface called DerbySQLException has been added to org.apache.derby.iapi.error.
The EmbedSQLException class has been modified to implement this interface.
The StandardException calls the isSimpleWrapper method on the DerbySQLException interface,
thereby avoiding a need to reference EmbedSQLException.

A new static method getArgumentFerry() has been added to StandardExcepion. This performs the
same task as the current getArgumentFerry() method in SQLExceptionFactory and SQLExceptionFactory40.
SQLExceptionFactory.getArgumentFerry() has been amended to call StandardException.getArgumentFerry().
SQLExceptionFactory40.getArgumentFerry() has been removed.
StandardException.getArgumentFerry() now handles the pre-JDBC3 and post-JDBC4 scenarios (in
the pre-JDBC4 scenario, the passed argument is a DerbySQLException, which is returned immediately),
so there is no need to override this functionality.

This change allows us to avoid having a dependency between StandardException and Util.
As the getArgumentFerry() method now checks for DerbySQLException rather than EmbedSQLException,
it is able to avoid dependency on EmbedSQLException.


> Remove dependency between StandardException class and org.apache.derby.impl.jdbc classes.
> -----------------------------------------------------------------------------------------
>
>                 Key: DERBY-3451
>                 URL: https://issues.apache.org/jira/browse/DERBY-3451
>             Project: Derby
>          Issue Type: Sub-task
>            Reporter: Dibyendu Majumdar
>
> In the package org.apache.derby.iapi.error, the class StandardException contains references
to following classes:
> org.apache.derby.impl.jdbc.Util
> org.apache.derby.impl.jdbc.EmbedSQLException
> This is undesirable as it introduces a dependency between StandardException and the implementation
of EmbedSQLException.

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