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package com.datastax.spark.connector.japi;

import org.apache.spark.streaming.StreamingContext;
import org.apache.spark.streaming.api.java.JavaDStream;
import org.apache.spark.streaming.api.java.JavaStreamingContext;
import org.apache.spark.streaming.dstream.DStream;

/**
 * The main entry point to Spark Cassandra Connector Java API for Spark Streaming.
 *
 * 

There are several helpful static factory methods which build useful wrappers around Streaming * Context and DStream.

*/ @SuppressWarnings("UnusedDeclaration") public class CassandraStreamingJavaUtil { private CassandraStreamingJavaUtil() { assert false; } // ------------------------------------------------------------------------- // Java API wrappers factory methods // ------------------------------------------------------------------------- /** * A static factory method to create a {@link StreamingContextJavaFunctions} based on an existing * {@link StreamingContext} instance. */ public static StreamingContextJavaFunctions javaFunctions(StreamingContext streamingContext) { return new StreamingContextJavaFunctions(streamingContext); } /** * A static factory method to create a {@link StreamingContextJavaFunctions} based on an existing * {@link JavaStreamingContext} instance. */ public static StreamingContextJavaFunctions javaFunctions(JavaStreamingContext streamingContext) { return new StreamingContextJavaFunctions(streamingContext.ssc()); } /** * A static factory method to create a {@link DStreamJavaFunctions} based on an existing * {@link DStream} instance. */ public static DStreamJavaFunctions javaFunctions(DStream dStream) { return new DStreamJavaFunctions<>(dStream); } /** * A static factory method to create a {@link DStreamJavaFunctions} based on an existing * {@link JavaDStream} instance. */ public static DStreamJavaFunctions javaFunctions(JavaDStream dStream) { return new DStreamJavaFunctions<>(dStream.dstream()); } }




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