org.apache.pulsar.io.influxdb

Class BatchSink<T,R>

java.lang.Object

org.apache.pulsar.io.influxdb.BatchSink<T,R>

Type Parameters:

T - The type of data to write to target database

R - Pulsar message type, such as GenericRecord

All Implemented Interfaces:

AutoCloseable, Sink<R>

Direct Known Subclasses:

InfluxDBAbstractSink, InfluxDBSink

public abstract class BatchSink<T,R>
extends Object
implements Sink<R>

Pulsar sink which can write data to target in batch.

Constructor Summary

Constructors

Constructor and Description
BatchSink()

Method Summary

Modifier and Type	Method and Description
protected abstract T	buildPoint(org.apache.pulsar.functions.api.Record<R> message)
void	close()
protected Object	getFiled(org.apache.pulsar.client.api.schema.GenericRecord record, String fieldName)
protected void	init(long batchTimeMs, int batchSize)
void	write(org.apache.pulsar.functions.api.Record<R> record)
protected abstract void	writePoints(List<T> points)

Methods inherited from class java.lang.Object

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

Methods inherited from interface org.apache.pulsar.io.core.Sink

open

Constructor Detail

BatchSink

public BatchSink()

Method Detail

init

protected void init(long batchTimeMs,
                    int batchSize)

write

public final void write(org.apache.pulsar.functions.api.Record<R> record)

Specified by:

write in interface Sink<R>

close

public void close()
           throws Exception

Specified by:

close in interface AutoCloseable

Throws:

Exception

getFiled

protected Object getFiled(org.apache.pulsar.client.api.schema.GenericRecord record,
                          String fieldName)

buildPoint

protected abstract T buildPoint(org.apache.pulsar.functions.api.Record<R> message)
                         throws Exception

Throws:

Exception

writePoints

protected abstract void writePoints(List<T> points)
                             throws Exception

Throws:

Exception