org.apache.flink.formats.protobuf.serialize

Class PbCodegenArraySerializer

java.lang.Object

org.apache.flink.formats.protobuf.serialize.PbCodegenArraySerializer

All Implemented Interfaces:

PbCodegenSerializer

public class PbCodegenArraySerializer
extends Object
implements PbCodegenSerializer

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

Constructor Summary

Constructors

Constructor and Description
PbCodegenArraySerializer(com.google.protobuf.Descriptors.FieldDescriptor fd, LogicalType elementType, 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

PbCodegenArraySerializer

public PbCodegenArraySerializer(com.google.protobuf.Descriptors.FieldDescriptor fd,
                                LogicalType elementType,
                                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