org.apache.flink.formats.protobuf.serialize

Class PbCodegenRowSerializer

java.lang.Object

org.apache.flink.formats.protobuf.serialize.PbCodegenRowSerializer

All Implemented Interfaces:

PbCodegenSerializer

public class PbCodegenRowSerializer
extends Object
implements PbCodegenSerializer

Serializer to convert flink row type data to proto row type object.

Constructor Summary

Constructors

Constructor and Description
PbCodegenRowSerializer(com.google.protobuf.Descriptors.Descriptor descriptor, org.apache.flink.table.types.logical.RowType rowType, PbFormatContext formatContext)

Method Summary

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

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

PbCodegenRowSerializer

public PbCodegenRowSerializer(com.google.protobuf.Descriptors.Descriptor descriptor,
                              org.apache.flink.table.types.logical.RowType rowType,
                              PbFormatContext formatContext)

Method Detail

codegen

public String codegen(String resultVar,
                      String flinkObjectCode,
                      int indent)
               throws PbCodegenException

Specified by:

codegen in interface PbCodegenSerializer

Parameters:

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

flinkObjectCode - may be a variable or expression. Current codegen environment can use this literal name directly to access the input. flinkObject should be a flink internal object.

Returns:

The java code generated

Throws:

PbCodegenException