co.cask.hydrator.plugin.batch.sink

Class BatchCassandraSink

java.lang.Object

co.cask.cdap.etl.api.batch.BatchConfigurable<BatchSinkContext>

co.cask.cdap.etl.api.batch.BatchSink<IN,KEY_OUT,VAL_OUT>

co.cask.hydrator.common.ReferenceBatchSink<co.cask.cdap.api.data.format.StructuredRecord,Map<String,ByteBuffer>,List<ByteBuffer>>

co.cask.hydrator.plugin.batch.sink.BatchCassandraSink

All Implemented Interfaces:

Destroyable, PipelineConfigurable, StageLifecycle<BatchRuntimeContext>, Transformation<co.cask.cdap.api.data.format.StructuredRecord,co.cask.cdap.api.dataset.lib.KeyValue<Map<String,ByteBuffer>,List<ByteBuffer>>>

public class BatchCassandraSink
extends ReferenceBatchSink<co.cask.cdap.api.data.format.StructuredRecord,Map<String,ByteBuffer>,List<ByteBuffer>>

A BatchSink that writes data to Cassandra. This BatchCassandraSink takes a StructuredRecord in, converts it to columns, and writes it to the Cassandra server.

Nested Class Summary

Nested Classes

Modifier and Type	Class and Description
static class	BatchCassandraSink.Cassandra Properties for Cassandra
static class	BatchCassandraSink.CassandraBatchConfig Config class for Batch Cassandra

Field Summary

Fields inherited from class co.cask.cdap.etl.api.batch.BatchSink

PLUGIN_TYPE

Constructor Summary

Constructors

Constructor and Description
BatchCassandraSink(BatchCassandraSink.CassandraBatchConfig config)

Method Summary

Methods

Modifier and Type	Method and Description
void	prepareRun(BatchSinkContext context)
void	transform(co.cask.cdap.api.data.format.StructuredRecord record, Emitter<co.cask.cdap.api.dataset.lib.KeyValue<Map<String,ByteBuffer>,List<ByteBuffer>>> emitter)

Methods inherited from class co.cask.hydrator.common.ReferenceBatchSink

configurePipeline

Methods inherited from class co.cask.cdap.etl.api.batch.BatchSink

destroy, initialize

Methods inherited from class co.cask.cdap.etl.api.batch.BatchConfigurable

onRunFinish

Methods inherited from class java.lang.Object

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

Constructor Detail

BatchCassandraSink

public BatchCassandraSink(BatchCassandraSink.CassandraBatchConfig config)

Method Detail

prepareRun

public void prepareRun(BatchSinkContext context)

Specified by:

prepareRun in class BatchConfigurable<BatchSinkContext>

transform

public void transform(co.cask.cdap.api.data.format.StructuredRecord record,
             Emitter<co.cask.cdap.api.dataset.lib.KeyValue<Map<String,ByteBuffer>,List<ByteBuffer>>> emitter)
               throws Exception

Specified by:

transform in interface Transformation<co.cask.cdap.api.data.format.StructuredRecord,co.cask.cdap.api.dataset.lib.KeyValue<Map<String,ByteBuffer>,List<ByteBuffer>>>

Overrides:

transform in class BatchSink<co.cask.cdap.api.data.format.StructuredRecord,Map<String,ByteBuffer>,List<ByteBuffer>>

Throws:

Exception