Package io.micronaut.pulsar

Class PulsarReaderFactory

java.lang.Object

io.micronaut.pulsar.PulsarReaderFactory

All Implemented Interfaces:

PulsarReaderRegistry, AutoCloseable

@Factory
public class PulsarReaderFactory
extends Object
implements AutoCloseable, PulsarReaderRegistry

Create pulsar reader beans for fields annotated with PulsarReader.

Since:

1.0

Author:

Haris Secic

Constructor Summary

Constructors

Constructor	Description
PulsarReaderFactory(org.apache.pulsar.client.api.PulsarClient pulsarClient, DefaultSchemaHandler simpleSchemaResolver, TopicResolver topicResolver)

Method Summary

Modifier and Type	Method	Description
void	close()
org.apache.pulsar.client.api.Reader<?>	getReader(String identifier)	If not specified explicitly, reader name will default to property/field name.
org.apache.pulsar.client.api.Reader<?>	getReaderByInjectionPoint(io.micronaut.context.BeanResolutionContext context, @Nullable io.micronaut.core.annotation.AnnotationValue<PulsarReader> annotationValue, @Nullable io.micronaut.core.type.Argument<?> returnType, @Nullable io.micronaut.aop.MethodInvocationContext<?,?> methodInvocationContext)	Create Pulsar Reader for given injection point if missing.
Collection<org.apache.pulsar.client.api.Reader<?>>	getReaders()

Methods inherited from class java.lang.Object

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

Constructor Details

PulsarReaderFactory

public PulsarReaderFactory(org.apache.pulsar.client.api.PulsarClient pulsarClient,
 DefaultSchemaHandler simpleSchemaResolver,
 TopicResolver topicResolver)

Method Details

getReaderByInjectionPoint

@Prototype
public org.apache.pulsar.client.api.Reader<?> getReaderByInjectionPoint(io.micronaut.context.BeanResolutionContext context,
 @Nullable @Parameter
 @Nullable io.micronaut.core.annotation.AnnotationValue<PulsarReader> annotationValue,
 @Nullable @Parameter
 @Nullable io.micronaut.core.type.Argument<?> returnType,
 @Nullable @Parameter
 @Nullable io.micronaut.aop.MethodInvocationContext<?,?> methodInvocationContext)
                                                                 throws org.apache.pulsar.client.api.PulsarClientException

Create Pulsar Reader for given injection point if missing.

Parameters:

context - injection point of Reader<?> if used as injection argument.

annotationValue - method annotation value if used by annotating method

methodInvocationContext - method invocation context if used by annotating method

returnType - method return type if used by annotating method

Returns:

new instance of Pulsar reader if missing; otherwise return from cache

Throws:

org.apache.pulsar.client.api.PulsarClientException - in case of not being able to create such Reader

close

public void close()

Specified by:

close in interface AutoCloseable

getReader

public org.apache.pulsar.client.api.Reader<?> getReader(String identifier)

Description copied from interface: PulsarReaderRegistry

If not specified explicitly, reader name will default to property/field name.

Specified by:

getReader in interface PulsarReaderRegistry

Parameters:

identifier - unique identifier for a reader

Returns:

Pulsar Reader if found for a given name

getReaders

public Collection<org.apache.pulsar.client.api.Reader<?>> getReaders()

Specified by:

getReaders in interface PulsarReaderRegistry

Returns:

all registered Pulsar Readers