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

Class MongoInputPartition

java.lang.Object

com.mongodb.spark.sql.connector.read.MongoInputPartition

All Implemented Interfaces:

java.io.Serializable, InputPartition

public class MongoInputPartition
extends java.lang.Object
implements InputPartition

The MongoInputPartition.

Provides the meta information regarding a partition of a collection

See Also:

Serialized Form

Constructor Summary

Constructors

Constructor	Description
MongoInputPartition(int partitionId, java.util.List<org.bson.BsonDocument> pipeline)	Construct a new instance
MongoInputPartition(int partitionId, java.util.List<org.bson.BsonDocument> pipeline, java.util.List<java.lang.String> preferredLocations)	Construct a new instance

Method Summary

Modifier and Type	Method	Description
boolean	equals(java.lang.Object o)
int	getPartitionId()
java.util.List<org.bson.BsonDocument>	getPipeline()
java.util.List<java.lang.String>	getPreferredLocations()
int	hashCode()
java.lang.String[]	preferredLocations()	The preferred locations for the read.
java.lang.String	toString()

Methods inherited from class java.lang.Object

clone, finalize, getClass, notify, notifyAll, wait, wait, wait

Constructor Detail

MongoInputPartition

public MongoInputPartition(int partitionId,
                           java.util.List<org.bson.BsonDocument> pipeline)

Construct a new instance

Parameters:

partitionId - the id of the partition

pipeline - the pipeline to partition the collection

MongoInputPartition

public MongoInputPartition(int partitionId,
                           java.util.List<org.bson.BsonDocument> pipeline,
                           java.util.List<java.lang.String> preferredLocations)

Construct a new instance

Parameters:

partitionId - the id of the partition

pipeline - the pipeline to partition the collection

preferredLocations - the preferred server locations

Method Detail

getPartitionId

public int getPartitionId()

Returns:

the partition id

getPipeline

public java.util.List<org.bson.BsonDocument> getPipeline()

Returns:

the aggregation pipeline for the partition

getPreferredLocations

public java.util.List<java.lang.String> getPreferredLocations()

Returns:

the preferred locations as a list

preferredLocations

public java.lang.String[] preferredLocations()

The preferred locations for the read.

This may be the hostname of an individual mongos shard host or just the locations of the MongoDB cluster.

Specified by:

preferredLocations in interface InputPartition

equals

public boolean equals(java.lang.Object o)

Overrides:

equals in class java.lang.Object

hashCode

public int hashCode()

Overrides:

hashCode in class java.lang.Object

toString

public java.lang.String toString()

Overrides:

toString in class java.lang.Object