Package org.apache.cassandra.spark.sparksql

Class CassandraDataSink

  • All Implemented Interfaces:
    org.apache.spark.sql.sources.CreatableRelationProvider, org.apache.spark.sql.sources.DataSourceRegister
    public class CassandraDataSink
extends java.lang.Object
implements org.apache.spark.sql.sources.DataSourceRegister, org.apache.spark.sql.sources.CreatableRelationProvider

    • Method Summary

      All Methods Instance Methods Concrete Methods 
      Modifier and Type Method Description
      org.apache.spark.sql.sources.BaseRelation createRelation​(org.apache.spark.sql.SQLContext sqlContext, org.apache.spark.sql.SaveMode saveMode, scala.collection.immutable.Map<java.lang.String,​java.lang.String> parameters, org.apache.spark.sql.Dataset<org.apache.spark.sql.Row> data)  
      protected BulkWriterContextFactory factory()  
      java.lang.String shortName()  

      • Methods inherited from class java.lang.Object

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

    • Constructor Detail

      • CassandraDataSink

        public CassandraDataSink()

    • Method Detail

      • shortName

        @NotNull
public java.lang.String shortName()
        Specified by:
        shortName in interface org.apache.spark.sql.sources.DataSourceRegister

      • createRelation

        @NotNull
public org.apache.spark.sql.sources.BaseRelation createRelation​(@NotNull
                                                                org.apache.spark.sql.SQLContext sqlContext,
                                                                @NotNull
                                                                org.apache.spark.sql.SaveMode saveMode,
                                                                @NotNull
                                                                scala.collection.immutable.Map<java.lang.String,​java.lang.String> parameters,
                                                                @NotNull
                                                                org.apache.spark.sql.Dataset<org.apache.spark.sql.Row> data)
        Specified by:
        createRelation in interface org.apache.spark.sql.sources.CreatableRelationProvider
        Parameters:
        sqlContext - the SQLContext instance
        saveMode - must be SaveMode.Append
        parameters - the writer options
        data - the data to persist into the Cassandra table
        Throws:
        org.apache.cassandra.spark.exception.UnsupportedAnalyticsOperationException - if the saveMode is not supported. Only SaveMode.Append is supported