org.apache.pulsar.io.core

Interface Source<T>

All Superinterfaces:

AutoCloseable

All Known Implementing Classes:

PushSource

@InterfaceAudience.Public
 @InterfaceStability.Stable
public interface Source<T>
extends AutoCloseable

Method Summary

Modifier and Type	Method and Description
void	open(Map<String,Object> config, SourceContext sourceContext) Open connector with configuration.
Record<T>	read() Reads the next message from source.

Methods inherited from interface java.lang.AutoCloseable

close

Method Detail

open

void open(Map<String,Object> config,
          SourceContext sourceContext)
   throws Exception

Open connector with configuration.

Parameters:

config - initialization config

sourceContext - environment where the source connector is running

Throws:

Exception - IO type exceptions when opening a connector

read

Record<T> read()
        throws Exception

Reads the next message from source. If source does not have any new messages, this call should block.

Returns:

next message from source. The return result should never be null

Throws:

Exception