Developer Transformation Guide

10.4.1
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getMetadata

Retrieves Java transformation metadata at runtime. The getMetadata method retrieves metadata that you save with the storeMetadata method, such as a filter condition that the optimizer passes to the Java transformation in the pushFilter function.

Use the following syntax:

getMetadata (String key);

The following table describes the parameters:

Parameter	Parameter Type	Datatype	Description
key	Input	String	Identifies the metadata. The getMetadata method uses the key to determine which metadata to retrieve.

You can add the getMetadata method to the Java code on the following code entry tabs:

Helper

On Input

At End

Optimizer Interfaces

Functions

You can configure the getMetadata method to retrieve filter conditions for push-into optimization. The getMetadata method can retrieve each filter condition that you store from the optimizer.

// Retrieve a filter condition 
String mydata = getMetadata ("FilterKey");

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Developer Transformation Guide

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getMetadata

getMetadata