[ http://issues.apache.org/jira/browse/DERBY-796?page=all ]
V.Narayanan updated DERBY-796:
------------------------------
Attachment: lob_1.diff
As pointed out in the above comments reflection is used and this was making the
process slow. This has been overcome with the following changes.
1) ClientJDBCObjectFactory is an interface having two implementations
a) ClientJDBCObjectFactoryImpl
b) ClientJDBCObjectFactoryImpl40
ClientJDBCObjectFactoryImpl is compiled by jdk1.4
ClientJDBCObjectFactoryImpl40 is compiled by mustang (compiled optionally if
jdk16 variable is present in ant.properties)
2) The method getFactory() in the ClientDriver class would initialize a
variable of type ClientJDBCObjectFactory with an appropriate implementation
depending on the jdk version under use.
3) This method is then used to return an instance of the factory implementation
that will be used to return the approriate JDBC interface implementations to
the user
Issues that were addresses earlier and have been fixed
------------------------------------------------------
1) comments have been added to the
ClientJDBCObjectFactory,ClientJDBCObjectFactoryImpl,ClientJDBCObjectFactoryImpl40
classes. Comments have also been added to the atLeast method in
Configuration.java
2) I have raised a JIRA issue for setCharacterStreamInternal to be modified
(DERBY-856) . setBinaryStreamInternal is being modified as part of DERBY-599
3) Reflection would'nt be used for every object creation as in the previous
case and would be only be used in getFactory to rerurn a factory
implementation.
thanx
Narayanan
> jdbc 4.0 specific Blob and Clob method support
> ----------------------------------------------
>
> Key: DERBY-796
> URL: http://issues.apache.org/jira/browse/DERBY-796
> Project: Derby
> Type: New Feature
> Components: JDBC
> Versions: 10.2.0.0
> Environment: jdbc 4.0 on all platforms
> Reporter: V.Narayanan
> Assignee: V.Narayanan
> Priority: Minor
> Fix For: 10.2.0.0
> Attachments: lob.diff, lob_1.diff
>
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