Package com.mongodb.spark.sql.connector.read

Class MongoStreamPartitionReaderFactory

java.lang.Object

com.mongodb.spark.sql.connector.read.MongoStreamPartitionReaderFactory

All Implemented Interfaces:

java.io.Serializable, PartitionReaderFactory, ContinuousPartitionReaderFactory

public final class MongoStreamPartitionReaderFactory
extends java.lang.Object
implements ContinuousPartitionReaderFactory

A factory used to create MongoStreamPartitionReader instances.

Utilizes MongoDBs change stream functionality, the continuous streams will consist of change events.

See Also:

Serialized Form

Constructor Summary

Constructors

Constructor	Description
MongoStreamPartitionReaderFactory(BsonDocumentToRowConverter bsonDocumentToRowConverter, ReadConfig readConfig)	Construct a new instance for a continuous stream

Method Summary

Modifier and Type	Method	Description
ContinuousPartitionReader<org.apache.spark.sql.catalyst.InternalRow>	createReader(InputPartition partition)

Methods inherited from class java.lang.Object

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

Methods inherited from interface org.apache.spark.sql.connector.read.streaming.ContinuousPartitionReaderFactory

createColumnarReader

Methods inherited from interface org.apache.spark.sql.connector.read.PartitionReaderFactory

supportColumnarReads

Constructor Detail

MongoStreamPartitionReaderFactory

public MongoStreamPartitionReaderFactory(BsonDocumentToRowConverter bsonDocumentToRowConverter,
                                         ReadConfig readConfig)

Construct a new instance for a continuous stream

Parameters:

bsonDocumentToRowConverter - the bson document to internal row converter

readConfig - the read configuration

Method Detail

createReader

public ContinuousPartitionReader<org.apache.spark.sql.catalyst.InternalRow> createReader(InputPartition partition)

Specified by:

createReader in interface ContinuousPartitionReaderFactory

Specified by:

createReader in interface PartitionReaderFactory