M Carissimi created OLINGO-140:
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Summary: Function Import support for binary data
Key: OLINGO-140
URL: https://issues.apache.org/jira/browse/OLINGO-140
Project: Olingo
Issue Type: Question
Affects Versions: V2 1.0.0
Reporter: M Carissimi
Hello,
I have created a FucntionImport for one of my EnityTypes which has a single
parameter of type Edm.Binary. This is how the FunctionImport is shown on the
metedata:
<FunctionImport Name="Import_Readings"
ReturnType="esys_producer.ES_IMPORT_READINGS" EntitySet="ES_IMPORT_READINGS"
m:HttpMethod="POST">
<Parameter Name="Import File" Type="Edm.Binary"/>
</FunctionImport>
I now need to create an OData consumer which is able to invoke the
FunctionImport. I have created an html form where a file can be uploaded which
then invokes a Java servlet. The servlet uses odata4j to connect to the OData
service and invokes the function. Unfortunately the odata4j library does not
allow to set the property type as a byte array, which is what would be required
for a Binary parameter.
I now have a few questions:
- is it OK to have Binary parameters in a FunctionImport?
- when inoking a FunctionImport, do all the parameter values get set on the
URL? If so, will the limit on size of a URL stop us from sending a large binary
parameter to a FunctionImport?
- how can I create a client similar to the one described above using the Olingo
library?
Regards
Miki
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