org.apache.flink.formats.protobuf.deserialize

Interface PbCodegenDeserializer

All Known Implementing Classes:

PbCodegenArrayDeserializer, PbCodegenMapDeserializer, PbCodegenRowDeserializer, PbCodegenSimpleDeserializer

public interface PbCodegenDeserializer

PbCodegenDeserializer is responsible for converting protobuf object to flink internal object by codegen process. The codegen procedure could be considered as

 returnVarName = codegen(pbStr) 
 

Method Summary

Modifier and Type	Method and Description
String	codegen(String resultVar, String pbObjectCode, int indent)

Method Detail

codegen

String codegen(String resultVar,
               String pbObjectCode,
               int indent)
        throws PbCodegenException

Parameters:

resultVar - the final var name that is calculated by codegen. This var name will be used by outsider codegen environment. resultVariable should be flink object

pbObjectCode - may be a variable or expression. Current codegen environment can use this literal name directly to access the input. pbObject should be a protobuf object

Returns:

The java code generated

Throws:

PbCodegenException