Packages

•  package root

  Definition Classes

  root

•  package com

  Definition Classes

  root

•  package datastax

  Definition Classes

  com

•  package spark

  Definition Classes

  datastax

•  package connector

  The root package of Cassandra connector for Apache Spark.

  The root package of Cassandra connector for Apache Spark. Offers handy implicit conversions that add Cassandra-specific methods to SparkContext and RDD.

  Call cassandraTable method on the SparkContext object to create a CassandraRDD exposing Cassandra tables as Spark RDDs.

  Call RDDFunctions saveToCassandra function on any RDD to save distributed collection to a Cassandra table.

  Example:

  CREATE KEYSPACE test WITH replication = {'class': 'SimpleStrategy', 'replication_factor': 1 };
  CREATE TABLE test.words (word text PRIMARY KEY, count int);
  INSERT INTO test.words(word, count) VALUES ("and", 50);

  import com.datastax.spark.connector._
  
  val sparkMasterHost = "127.0.0.1"
  val cassandraHost = "127.0.0.1"
  val keyspace = "test"
  val table = "words"
  
  // Tell Spark the address of one Cassandra node:
  val conf = new SparkConf(true).set("spark.cassandra.connection.host", cassandraHost)
  
  // Connect to the Spark cluster:
  val sc = new SparkContext("spark://" + sparkMasterHost + ":7077", "example", conf)
  
  // Read the table and print its contents:
  val rdd = sc.cassandraTable(keyspace, table)
  rdd.toArray().foreach(println)
  
  // Write two rows to the table:
  val col = sc.parallelize(Seq(("of", 1200), ("the", "863")))
  col.saveToCassandra(keyspace, table)
  
  sc.stop()

  Definition Classes

  spark

•  package rdd

  Contains com.datastax.spark.connector.rdd.CassandraTableScanRDD class that is the main entry point for analyzing Cassandra data from Spark.

  Contains com.datastax.spark.connector.rdd.CassandraTableScanRDD class that is the main entry point for analyzing Cassandra data from Spark.

  Definition Classes

  connector

•  package reader

  Provides components for reading data rows from Cassandra and converting them to objects of desired type.

  Provides components for reading data rows from Cassandra and converting them to objects of desired type. Additionally provides a generic CassandraRow class which can represent any row.

  Definition Classes

  rdd

• ClassBasedRowReader
• ClassBasedRowReaderFactory
• FunctionBasedRowReader
• FunctionBasedRowReader1
• FunctionBasedRowReader10
• FunctionBasedRowReader11
• FunctionBasedRowReader12
• FunctionBasedRowReader2
• FunctionBasedRowReader3
• FunctionBasedRowReader4
• FunctionBasedRowReader5
• FunctionBasedRowReader6
• FunctionBasedRowReader7
• FunctionBasedRowReader8
• FunctionBasedRowReader9
• LowPriorityRowReaderFactoryImplicits
• PrefetchingResultSetIterator
• RowReader
• RowReaderFactory
• ThisRowReaderAsFactory
• ValueRowReader
• ValueRowReaderFactory

com.datastax.spark.connector.rdd.reader

FunctionBasedRowReader 