Object/Class

org.apache.spark.streaming.api.java

JavaStreamingContext

Related Docs: class JavaStreamingContext | package java

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object JavaStreamingContext

JavaStreamingContext object contains a number of utility functions.

Source
JavaStreamingContext.scala
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  1. final def !=(arg0: Any): Boolean

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  8. def finalize(): Unit

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  9. final def getClass(): Class[_]

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  10. def getOrCreate(checkpointPath: String, creatingFunc: Function0[JavaStreamingContext], hadoopConf: Configuration, createOnError: Boolean): JavaStreamingContext

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    Either recreate a StreamingContext from checkpoint data or create a new StreamingContext.

    Either recreate a StreamingContext from checkpoint data or create a new StreamingContext. If checkpoint data exists in the provided checkpointPath, then StreamingContext will be recreated from the checkpoint data. If the data does not exist, then the provided factory will be used to create a JavaStreamingContext.

    checkpointPath

    Checkpoint directory used in an earlier StreamingContext program

    creatingFunc

    Function to create a new JavaStreamingContext

    hadoopConf

    Hadoop configuration if necessary for reading from any HDFS compatible file system

    createOnError

    Whether to create a new JavaStreamingContext if there is an error in reading checkpoint data.

  11. def getOrCreate(checkpointPath: String, creatingFunc: Function0[JavaStreamingContext], hadoopConf: Configuration): JavaStreamingContext

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    Either recreate a StreamingContext from checkpoint data or create a new StreamingContext.

    Either recreate a StreamingContext from checkpoint data or create a new StreamingContext. If checkpoint data exists in the provided checkpointPath, then StreamingContext will be recreated from the checkpoint data. If the data does not exist, then the provided factory will be used to create a JavaStreamingContext.

    checkpointPath

    Checkpoint directory used in an earlier StreamingContext program

    creatingFunc

    Function to create a new JavaStreamingContext

    hadoopConf

    Hadoop configuration if necessary for reading from any HDFS compatible file system

  12. def getOrCreate(checkpointPath: String, creatingFunc: Function0[JavaStreamingContext]): JavaStreamingContext

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    Either recreate a StreamingContext from checkpoint data or create a new StreamingContext.

    Either recreate a StreamingContext from checkpoint data or create a new StreamingContext. If checkpoint data exists in the provided checkpointPath, then StreamingContext will be recreated from the checkpoint data. If the data does not exist, then the provided factory will be used to create a JavaStreamingContext.

    checkpointPath

    Checkpoint directory used in an earlier JavaStreamingContext program

    creatingFunc

    Function to create a new JavaStreamingContext

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  15. def jarOfClass(cls: Class[_]): Array[String]

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    Find the JAR from which a given class was loaded, to make it easy for users to pass their JARs to StreamingContext.

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  17. final def notify(): Unit

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  18. final def notifyAll(): Unit

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  21. final def wait(): Unit

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  22. final def wait(arg0: Long, arg1: Int): Unit

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  23. final def wait(arg0: Long): Unit

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