Package org.opennms.nephron

Class Pipeline.ReadFromKafka

java.lang.Object

org.apache.beam.sdk.transforms.PTransform<org.apache.beam.sdk.values.PBegin,org.apache.beam.sdk.values.PCollection<org.opennms.netmgt.flows.persistence.model.FlowDocument>>

org.opennms.nephron.Pipeline.ReadFromKafka

All Implemented Interfaces:

Serializable, org.apache.beam.sdk.transforms.display.HasDisplayData

Enclosing class:

Pipeline

public static class Pipeline.ReadFromKafka
extends org.apache.beam.sdk.transforms.PTransform<org.apache.beam.sdk.values.PBegin,org.apache.beam.sdk.values.PCollection<org.opennms.netmgt.flows.persistence.model.FlowDocument>>

See Also:

Serialized Form

Field Summary

Fields inherited from class org.apache.beam.sdk.transforms.PTransform

name, resourceHints

Constructor Summary

Constructors

Constructor	Description
ReadFromKafka(String bootstrapServers, String topic, Map<String,Object> kafkaConsumerConfig, org.apache.beam.sdk.io.kafka.TimestampPolicyFactory<byte[],org.opennms.netmgt.flows.persistence.model.FlowDocument> timestampPolicyFactory)

Method Summary

Modifier and Type	Method	Description
org.apache.beam.sdk.values.PCollection<org.opennms.netmgt.flows.persistence.model.FlowDocument>	expand(org.apache.beam.sdk.values.PBegin input)
static org.joda.time.Instant	getTimestamp(org.apache.beam.sdk.io.kafka.KafkaRecord<byte[],org.opennms.netmgt.flows.persistence.model.FlowDocument> record)
static org.joda.time.Instant	getTimestamp(org.opennms.netmgt.flows.persistence.model.FlowDocument doc)
static long	getTimestampMs(org.opennms.netmgt.flows.persistence.model.FlowDocument doc)

Methods inherited from class org.apache.beam.sdk.transforms.PTransform

compose, compose, getAdditionalInputs, getDefaultOutputCoder, getDefaultOutputCoder, getDefaultOutputCoder, getKindString, getName, getResourceHints, populateDisplayData, setResourceHints, toString, validate

Methods inherited from class java.lang.Object

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

Constructor Detail

ReadFromKafka

public ReadFromKafka(String bootstrapServers,
                     String topic,
                     Map<String,Object> kafkaConsumerConfig,
                     org.apache.beam.sdk.io.kafka.TimestampPolicyFactory<byte[],org.opennms.netmgt.flows.persistence.model.FlowDocument> timestampPolicyFactory)

Method Detail

expand

public org.apache.beam.sdk.values.PCollection<org.opennms.netmgt.flows.persistence.model.FlowDocument> expand(org.apache.beam.sdk.values.PBegin input)

Specified by:

expand in class org.apache.beam.sdk.transforms.PTransform<org.apache.beam.sdk.values.PBegin,org.apache.beam.sdk.values.PCollection<org.opennms.netmgt.flows.persistence.model.FlowDocument>>

getTimestampMs

public static long getTimestampMs(org.opennms.netmgt.flows.persistence.model.FlowDocument doc)

getTimestamp

public static org.joda.time.Instant getTimestamp(org.apache.beam.sdk.io.kafka.KafkaRecord<byte[],org.opennms.netmgt.flows.persistence.model.FlowDocument> record)

getTimestamp

public static org.joda.time.Instant getTimestamp(org.opennms.netmgt.flows.persistence.model.FlowDocument doc)