Package org.apache.cassandra.cdc.avro

Class TypeConversion.MapConversion

java.lang.Object

org.apache.cassandra.cdc.avro.TypeConversion.MapConversion

All Implemented Interfaces:

TypeConversion<java.util.Map<?,?>>

Enclosing interface:

TypeConversion<T>

public static class TypeConversion.MapConversion
extends java.lang.Object
implements TypeConversion<java.util.Map<?,?>>

Converts GenericData.Array (, which is a List,) of GenericRecord into Map The contained GenericRecord should be an avro key-value record. The conversion is done recursively, meaning the keys and values of the input are converted too.

Nested Class Summary

Nested classes/interfaces inherited from interface org.apache.cassandra.cdc.avro.TypeConversion

TypeConversion.DateConversion, TypeConversion.DecimalConversion, TypeConversion.InetAddressConversion, TypeConversion.ListConversion, TypeConversion.MapConversion, TypeConversion.Registry, TypeConversion.SetConversion, TypeConversion.TimestampConversion, TypeConversion.TypeMapping, TypeConversion.UdtConversion, TypeConversion.UUIDConversion, TypeConversion.VarIntConversion

Constructor Summary

Constructors

Constructor	Description
MapConversion()

Method Summary

Modifier and Type	Method	Description
java.util.Map<?,?>	convert(org.apache.avro.Schema fieldSchema, java.lang.Object fieldValue)	Convert value from the source type to the target type.
TypeConversion.TypeMapping	typeMapping()	Type mapping from the source type to the target type.

Methods inherited from class java.lang.Object

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

Constructor Detail

MapConversion

public MapConversion()

Method Detail

typeMapping

public TypeConversion.TypeMapping typeMapping()

Description copied from interface: TypeConversion

Type mapping from the source type to the target type.

Specified by:

typeMapping in interface TypeConversion<java.util.Map<?,?>>

Returns:

the type mapping.

convert

public java.util.Map<?,?> convert(org.apache.avro.Schema fieldSchema,
                                        @NotNull
                                        java.lang.Object fieldValue)

Description copied from interface: TypeConversion

Convert value from the source type to the target type. Runtime exceptions are thrown on invalid argument or conversion failure.

Specified by:

convert in interface TypeConversion<java.util.Map<?,?>>

Parameters:

fieldSchema - avro schema to loop up the source schema

fieldValue - value in the source type. The value cannot be null.

Returns:

the converted value