Callback or passing a value from ODA runtime back to BIRT runtime

Hi All,

I want to pass a value (other than the IResultSet) from ODA runtime to
BIRT web runtime engine.

For that i had created a dataset parameter (input and output true). Which i am able to access in executeQuery() method of IQuery. In the execureQuery i can access the parameter "ds_chartQual" and set my value to that.

And i had binded this parameter "ds_chartQual" to another parameter "chartQual" which i wanted to access in the .rptdesign file.

But i am getting this value as always NULL.

Can you help me in this?

Thanks for your help.

Dataset Parameter:

<list-property name="parameters">
<structure>
<property name="name">ds_chartQual</property>
<property name="paramName">chartQual</property>
<property name="dataType">string</property>
<property name="position">1</property>
<property name="isInput">true</property>
<property name="isOutput">true</property>
</structure>
</list-property>

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Comments

bhanley

Rather than trying to share the value via a parameter, perhaps looking at a Global Persistent Variable will help? This allows the value to be available across all components and threads that may be present during the report building/execution process.

kevinkris

Hi Brain, 
 
Thanks for the reply. But we want to access this global variable in IQuery implementation in our ODA runtime. 
I am not able to find requestContext reference in ODA. Can you help me here? 
 
org.eclipse.datatools.connectivity.oda.IQuery 
 
 
<blockquote class='ipsBlockquote' data-author="bhanley">Rather than trying to share the value via a parameter, perhaps looking at a Global Persistent Variable will help? This allows the value to be available across all components and threads that may be present during the report building/execution process.</blockquote>

kevinkris

Hi Brain,

Thanks for the reply. But we want to access this global variable in IQuery implementation in our ODA runtime.
I am not able to find requestContext reference in ODA. Can you help me here?

org.eclipse.datatools.connectivity.oda.IQuery