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

Class MongoPartitionReaderFactory

java.lang.Object

com.mongodb.spark.sql.connector.read.MongoPartitionReaderFactory

All Implemented Interfaces:

java.io.Serializable, PartitionReaderFactory

public class MongoPartitionReaderFactory
extends java.lang.Object
implements PartitionReaderFactory, java.io.Serializable

A factory used to create MongoPartitionReader instances.

See Also:

Serialized Form

Constructor Summary

Constructors

Constructor	Description
MongoPartitionReaderFactory(BsonDocumentToRowConverter bsonDocumentToRowConverter, ReadConfig readConfig)	Construct a new instance

Method Summary

Modifier and Type	Method	Description
PartitionReader<org.apache.spark.sql.catalyst.InternalRow>	createReader(InputPartition partition)	Returns a row-based partition reader to read data from the given MongoInputPartition.

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.PartitionReaderFactory

createColumnarReader, supportColumnarReads

Constructor Detail

MongoPartitionReaderFactory

public MongoPartitionReaderFactory(BsonDocumentToRowConverter bsonDocumentToRowConverter,
                                   ReadConfig readConfig)

Construct a new instance

Parameters:

bsonDocumentToRowConverter - the bson document to internal row converter

readConfig - the read configuration

Method Detail

createReader

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

Returns a row-based partition reader to read data from the given MongoInputPartition.

Specified by:

createReader in interface PartitionReaderFactory

Parameters:

partition - the input partition information