Table of Contents

Class Aggregator<K, V, VAgg>

Namespace
Org.Apache.Kafka.Streams.Kstream
Assembly
MASES.KNet.dll

Listener for Kafka Aggregator. Extends JVMBridgeListener, implements IAggregator<K, V, VAgg>

public class Aggregator<K, V, VAgg> : JVMBridgeListener, IDynamicMetaObjectProvider, IJVMBridgeCore, IDisposable, IJVMBridgeBaseStatic, IAggregator<K, V, VAgg>, IJVMBridgeBase, IJVMBridgeDefinition

Type Parameters

K
V
VAgg
Inheritance
Aggregator<K, V, VAgg>
Implements
IAggregator<K, V, VAgg>
Derived
Inherited Members

Remarks

Dispose the object to avoid a resource leak, the object contains a reference to the corresponding JVM object

Constructors

Aggregator()

Default constructor: even if the corresponding Java class does not have one, it is mandatory for JCOBridge

public Aggregator()

Aggregator(params object[])

Generic constructor: it is useful for JCOBridge when there is a derived class which needs to pass arguments to the highest JVMBridgeBase class

public Aggregator(params object[] args)

Parameters

args object[]

Properties

BridgeClassName

Java class name to be instantiated

public override string BridgeClassName { get; }

Property Value

string

OnApply

Handler for https://www.javadoc.io/doc/org.apache.kafka/kafka-streams/4.0.0/org/apache/kafka/streams/kstream/Aggregator.html#apply(java.lang.Object,java.lang.Object,java.lang.Object)

public Func<K, V, VAgg, VAgg> OnApply { get; set; }

Property Value

Func<K, V, VAgg, VAgg>

Remarks

If OnApply has a value it takes precedence over corresponding class method

Methods

Apply(K, V, VAgg)

https://www.javadoc.io/doc/org.apache.kafka/kafka-streams/4.0.0/org/apache/kafka/streams/kstream/Aggregator.html#apply(java.lang.Object,java.lang.Object,java.lang.Object)

public virtual VAgg Apply(K arg0, V arg1, VAgg arg2)

Parameters

arg0 K

K

arg1 V

V

arg2 VAgg

VAgg

Returns

VAgg

VAgg

InitializeHandlers()

Handlers initializer for Aggregator

protected virtual void InitializeHandlers()
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