org.apache.pulsar.io.core

Interface SourceContext

All Superinterfaces:

BaseContext

@InterfaceAudience.Public
 @InterfaceStability.Stable
public interface SourceContext
extends BaseContext

Interface for a source connector providing information about environment where it is running. It also allows to propagate information, such as logs, metrics, states, back to the Pulsar environment.

Method Summary

Modifier and Type	Method and Description
String	getOutputTopic() Get the output topic of the source.
String	getSourceName() The name of the source that we are executing.
<O> org.apache.pulsar.client.api.ConsumerBuilder<O>	newConsumerBuilder(org.apache.pulsar.client.api.Schema<O> schema) Create a ConsumerBuilder with the schema.
<O> org.apache.pulsar.client.api.TypedMessageBuilder<O>	newOutputMessage(String topicName, org.apache.pulsar.client.api.Schema<O> schema) New output message using schema for serializing to the topic

Methods inherited from interface org.apache.pulsar.functions.api.BaseContext

deleteState, deleteStateAsync, getCounter, getCounterAsync, getInstanceId, getLogger, getNamespace, getNumInstances, getPulsarClient, getSecret, getState, getStateAsync, getStateStore, getStateStore, getTenant, incrCounter, incrCounterAsync, putState, putStateAsync, recordMetric

Method Detail

getSourceName

String getSourceName()

The name of the source that we are executing.

Returns:

The Source name

getOutputTopic

String getOutputTopic()

Get the output topic of the source.

Returns:

output topic name

newOutputMessage

<O> org.apache.pulsar.client.api.TypedMessageBuilder<O> newOutputMessage(String topicName,
                                                                         org.apache.pulsar.client.api.Schema<O> schema)
                                                                  throws org.apache.pulsar.client.api.PulsarClientException

New output message using schema for serializing to the topic

Type Parameters:

O -

Parameters:

topicName - The name of the topic for output message

schema - provide a way to convert between serialized data and domain objects

Returns:

the message builder instance

Throws:

org.apache.pulsar.client.api.PulsarClientException

newConsumerBuilder

<O> org.apache.pulsar.client.api.ConsumerBuilder<O> newConsumerBuilder(org.apache.pulsar.client.api.Schema<O> schema)
                                                                throws org.apache.pulsar.client.api.PulsarClientException

Create a ConsumerBuilder with the schema.

Type Parameters:

O -

Parameters:

schema - provide a way to convert between serialized data and domain objects

Returns:

the consumer builder instance

Throws:

org.apache.pulsar.client.api.PulsarClientException