io.siddhi.extension.map.avro.sourcemapper

Class AvroSourceMapper

java.lang.Object

io.siddhi.core.stream.input.source.SourceMapper

io.siddhi.extension.map.avro.sourcemapper.AvroSourceMapper

All Implemented Interfaces:

io.siddhi.core.stream.input.source.SourceEventListener

public class AvroSourceMapper
extends io.siddhi.core.stream.input.source.SourceMapper

This mapper converts Avro message stream input to ComplexEventChunk.

Field Summary

Fields

Modifier and Type	Field and Description
static String	USE_AVRO_DESERIALIZER

Fields inherited from class io.siddhi.core.stream.input.source.SourceMapper

sourceOptionHolder, sourceType

Constructor Summary

Constructors

Constructor and Description
AvroSourceMapper()

Method Summary

Modifier and Type	Method and Description
protected boolean	allowNullInTransportProperties()
Class[]	getSupportedInputEventClasses()
void	init(io.siddhi.query.api.definition.StreamDefinition streamDefinition, io.siddhi.core.util.transport.OptionHolder optionHolder, List<io.siddhi.core.stream.input.source.AttributeMapping> attributeMappingList, io.siddhi.core.util.config.ConfigReader configReader, io.siddhi.core.config.SiddhiAppContext siddhiAppContext) Initialize the mapper and the mapping configurations.
protected void	mapAndProcess(Object eventObject, io.siddhi.core.stream.input.source.InputEventHandler inputEventHandler) Receives an event or events as a byte[] from source, converts it to a ComplexEventChunk.
static String	toJsonString(org.apache.avro.Schema schema, org.apache.avro.generic.GenericRecord genericRecord)

Methods inherited from class io.siddhi.core.stream.input.source.SourceMapper

getEventCount, getHandler, getStreamDefinition, init, onEvent, onEvent, onEvent, onEvent, setInputHandler

Methods inherited from class java.lang.Object

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

Field Detail

USE_AVRO_DESERIALIZER

public static final String USE_AVRO_DESERIALIZER

See Also:

Constant Field Values

Constructor Detail

AvroSourceMapper

public AvroSourceMapper()

Method Detail

init

public void init(io.siddhi.query.api.definition.StreamDefinition streamDefinition,
                 io.siddhi.core.util.transport.OptionHolder optionHolder,
                 List<io.siddhi.core.stream.input.source.AttributeMapping> attributeMappingList,
                 io.siddhi.core.util.config.ConfigReader configReader,
                 io.siddhi.core.config.SiddhiAppContext siddhiAppContext)

Initialize the mapper and the mapping configurations.

Specified by:

init in class io.siddhi.core.stream.input.source.SourceMapper

Parameters:

streamDefinition -

optionHolder -

attributeMappingList -

configReader -

siddhiAppContext -

mapAndProcess

protected void mapAndProcess(Object eventObject,
                             io.siddhi.core.stream.input.source.InputEventHandler inputEventHandler)
                      throws InterruptedException,
                             io.siddhi.core.exception.MappingFailedException

Receives an event or events as a byte[] from source, converts it to a ComplexEventChunk.

Specified by:

mapAndProcess in class io.siddhi.core.stream.input.source.SourceMapper

Parameters:

eventObject - the input, given as a byte array or ByteBuffer

inputEventHandler - input handler

Throws:

InterruptedException

io.siddhi.core.exception.MappingFailedException

toJsonString

public static String toJsonString(org.apache.avro.Schema schema,
                                  org.apache.avro.generic.GenericRecord genericRecord)
                           throws IOException

Throws:

IOException

getSupportedInputEventClasses

public Class[] getSupportedInputEventClasses()

Specified by:

getSupportedInputEventClasses in class io.siddhi.core.stream.input.source.SourceMapper

allowNullInTransportProperties

protected boolean allowNullInTransportProperties()

Specified by:

allowNullInTransportProperties in class io.siddhi.core.stream.input.source.SourceMapper