Package org.apache.pulsar.functions.instance

Class JavaInstance

java.lang.Object

org.apache.pulsar.functions.instance.JavaInstance

All Implemented Interfaces:

AutoCloseable

public class JavaInstance
extends Object
implements AutoCloseable

This is the Java Instance. This is started by the runtimeSpawner using the JavaInstanceClient program if invoking via a process based invocation or using JavaInstance using a thread based invocation.

Nested Class Summary

Nested Classes

Modifier and Type	Class	Description
static class	JavaInstance.AsyncFuncRequest

Constructor Summary

Constructors

Constructor	Description
JavaInstance(org.apache.pulsar.functions.instance.ContextImpl contextImpl, Object userClassObject, InstanceConfig instanceConfig)

Method Summary

Modifier and Type	Method	Description
void	close()
Map<String,Double>	getAndResetMetrics()
Map<String,Double>	getMetrics()
JavaExecutionResult	handleMessage(Record<?> record, Object input)
JavaExecutionResult	handleMessage(Record<?> record, Object input, JavaInstanceRunnable.AsyncResultConsumer asyncResultConsumer, Consumer<Throwable> asyncFailureHandler)
void	initialize()
void	resetMetrics()

Methods inherited from class java.lang.Object

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

Constructor Details

JavaInstance

public JavaInstance(org.apache.pulsar.functions.instance.ContextImpl contextImpl,
 Object userClassObject,
 InstanceConfig instanceConfig)

Method Details

handleMessage

public JavaExecutionResult handleMessage(Record<?> record,
 Object input)

handleMessage

public JavaExecutionResult handleMessage(Record<?> record,
 Object input,
 JavaInstanceRunnable.AsyncResultConsumer asyncResultConsumer,
 Consumer<Throwable> asyncFailureHandler)

initialize

public void initialize()
                throws Exception

Throws:

Exception

close

public void close()

Specified by:

close in interface AutoCloseable

getAndResetMetrics

public Map<String,Double> getAndResetMetrics()

resetMetrics

public void resetMetrics()

getMetrics

public Map<String,Double> getMetrics()