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

Class MongoBatch

java.lang.Object

com.mongodb.spark.sql.connector.read.MongoBatch

All Implemented Interfaces:

Batch

public class MongoBatch
extends java.lang.Object
implements Batch

MongoBatch defines how to read data from MongoDB.

Constructor Summary

Constructors

Constructor	Description
MongoBatch(StructType schema, ReadConfig readConfig)	Construct a new instance

Method Summary

Modifier and Type	Method	Description
PartitionReaderFactory	createReaderFactory()	Returns a factory to create a PartitionReader for each InputPartition.
InputPartition[]	planInputPartitions()	Returns a list of partitions that split the collection into parts

Methods inherited from class java.lang.Object

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

Constructor Detail

MongoBatch

public MongoBatch(StructType schema,
                  ReadConfig readConfig)

Construct a new instance

Parameters:

schema - the schema for the data

readConfig - the read configuration

Method Detail

planInputPartitions

public InputPartition[] planInputPartitions()

Returns a list of partitions that split the collection into parts

Specified by:

planInputPartitions in interface Batch

createReaderFactory

public PartitionReaderFactory createReaderFactory()

Returns a factory to create a PartitionReader for each InputPartition.

Specified by:

createReaderFactory in interface Batch