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org.apache.spark.sql.execution.streaming.state

StateStoreChangelogReader

class StateStoreChangelogReader extends NextIterator[(Array[Byte], Array[Byte])] with Logging

Read an iterator of change record from the changelog file. A record is represented by ByteArrayPair(key: Array[Byte], value: Array[Byte]) A put record is returned as a ByteArrayPair(key, value) A delete record is return as a ByteArrayPair(key, null)

Linear Supertypes
Logging, NextIterator[(Array[Byte], Array[Byte])], Iterator[(Array[Byte], Array[Byte])], IterableOnceOps[(Array[Byte], Array[Byte]), Iterator, Iterator[(Array[Byte], Array[Byte])]], IterableOnce[(Array[Byte], Array[Byte])], AnyRef, Any
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Inherited
  1. StateStoreChangelogReader
  2. Logging
  3. NextIterator
  4. Iterator
  5. IterableOnceOps
  6. IterableOnce
  7. AnyRef
  8. Any
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Visibility
  1. Public
  2. Protected

Instance Constructors

  1. new StateStoreChangelogReader(fm: CheckpointFileManager, fileToRead: Path, compressionCodec: CompressionCodec)

Type Members

  1. class GroupedIterator[B >: A] extends AbstractIterator[Seq[B]]
    Definition Classes
    Iterator

Value Members

  1. final def !=(arg0: Any): Boolean
    Definition Classes
    AnyRef → Any
  2. final def ##: Int
    Definition Classes
    AnyRef → Any
  3. final def ++[B >: (Array[Byte], Array[Byte])](xs: => IterableOnce[B]): Iterator[B]
    Definition Classes
    Iterator
    Annotations
    @inline()
  4. final def ==(arg0: Any): Boolean
    Definition Classes
    AnyRef → Any
  5. final def addString(b: StringBuilder): StringBuilder
    Definition Classes
    IterableOnceOps
    Annotations
    @inline()
  6. final def addString(b: StringBuilder, sep: String): StringBuilder
    Definition Classes
    IterableOnceOps
    Annotations
    @inline()
  7. def addString(b: StringBuilder, start: String, sep: String, end: String): StringBuilder
    Definition Classes
    IterableOnceOps
  8. final def asInstanceOf[T0]: T0
    Definition Classes
    Any
  9. def buffered: BufferedIterator[(Array[Byte], Array[Byte])]
    Definition Classes
    Iterator
  10. def clone(): AnyRef
    Attributes
    protected[lang]
    Definition Classes
    AnyRef
    Annotations
    @throws(classOf[java.lang.CloneNotSupportedException]) @native()
  11. def close(): Unit
    Definition Classes
    StateStoreChangelogReader → NextIterator
  12. def closeIfNeeded(): Unit
    Definition Classes
    NextIterator
  13. def collect[B](pf: PartialFunction[(Array[Byte], Array[Byte]), B]): Iterator[B]
    Definition Classes
    Iterator → IterableOnceOps
  14. def collectFirst[B](pf: PartialFunction[(Array[Byte], Array[Byte]), B]): Option[B]
    Definition Classes
    IterableOnceOps
  15. def concat[B >: (Array[Byte], Array[Byte])](xs: => IterableOnce[B]): Iterator[B]
    Definition Classes
    Iterator
  16. def contains(elem: Any): Boolean
    Definition Classes
    Iterator
  17. def copyToArray[B >: (Array[Byte], Array[Byte])](xs: Array[B], start: Int, len: Int): Int
    Definition Classes
    IterableOnceOps
  18. def copyToArray[B >: (Array[Byte], Array[Byte])](xs: Array[B], start: Int): Int
    Definition Classes
    IterableOnceOps
    Annotations
    @deprecatedOverriding()
  19. def copyToArray[B >: (Array[Byte], Array[Byte])](xs: Array[B]): Int
    Definition Classes
    IterableOnceOps
    Annotations
    @deprecatedOverriding()
  20. def corresponds[B](that: IterableOnce[B])(p: ((Array[Byte], Array[Byte]), B) => Boolean): Boolean
    Definition Classes
    IterableOnceOps
  21. def count(p: ((Array[Byte], Array[Byte])) => Boolean): Int
    Definition Classes
    IterableOnceOps
  22. def distinct: Iterator[(Array[Byte], Array[Byte])]
    Definition Classes
    Iterator
  23. def distinctBy[B](f: ((Array[Byte], Array[Byte])) => B): Iterator[(Array[Byte], Array[Byte])]
    Definition Classes
    Iterator
  24. def drop(n: Int): Iterator[(Array[Byte], Array[Byte])]
    Definition Classes
    Iterator → IterableOnceOps
  25. def dropWhile(p: ((Array[Byte], Array[Byte])) => Boolean): Iterator[(Array[Byte], Array[Byte])]
    Definition Classes
    Iterator → IterableOnceOps
  26. def duplicate: (Iterator[(Array[Byte], Array[Byte])], Iterator[(Array[Byte], Array[Byte])])
    Definition Classes
    Iterator
  27. final def eq(arg0: AnyRef): Boolean
    Definition Classes
    AnyRef
  28. def equals(arg0: AnyRef): Boolean
    Definition Classes
    AnyRef → Any
  29. def exists(p: ((Array[Byte], Array[Byte])) => Boolean): Boolean
    Definition Classes
    IterableOnceOps
  30. def filter(p: ((Array[Byte], Array[Byte])) => Boolean): Iterator[(Array[Byte], Array[Byte])]
    Definition Classes
    Iterator → IterableOnceOps
  31. def filterNot(p: ((Array[Byte], Array[Byte])) => Boolean): Iterator[(Array[Byte], Array[Byte])]
    Definition Classes
    Iterator → IterableOnceOps
  32. def finalize(): Unit
    Attributes
    protected[lang]
    Definition Classes
    AnyRef
    Annotations
    @throws(classOf[java.lang.Throwable])
  33. def find(p: ((Array[Byte], Array[Byte])) => Boolean): Option[(Array[Byte], Array[Byte])]
    Definition Classes
    IterableOnceOps
  34. var finished: Boolean
    Attributes
    protected
    Definition Classes
    NextIterator
  35. def flatMap[B](f: ((Array[Byte], Array[Byte])) => IterableOnce[B]): Iterator[B]
    Definition Classes
    Iterator → IterableOnceOps
  36. def flatten[B](implicit ev: ((Array[Byte], Array[Byte])) => IterableOnce[B]): Iterator[B]
    Definition Classes
    Iterator → IterableOnceOps
  37. def fold[A1 >: (Array[Byte], Array[Byte])](z: A1)(op: (A1, A1) => A1): A1
    Definition Classes
    IterableOnceOps
  38. def foldLeft[B](z: B)(op: (B, (Array[Byte], Array[Byte])) => B): B
    Definition Classes
    IterableOnceOps
  39. def foldRight[B](z: B)(op: ((Array[Byte], Array[Byte]), B) => B): B
    Definition Classes
    IterableOnceOps
  40. def forall(p: ((Array[Byte], Array[Byte])) => Boolean): Boolean
    Definition Classes
    IterableOnceOps
  41. def foreach[U](f: ((Array[Byte], Array[Byte])) => U): Unit
    Definition Classes
    IterableOnceOps
  42. final def getClass(): Class[_ <: AnyRef]
    Definition Classes
    AnyRef → Any
    Annotations
    @native()
  43. def getNext(): (Array[Byte], Array[Byte])
    Definition Classes
    StateStoreChangelogReader → NextIterator
  44. def grouped[B >: (Array[Byte], Array[Byte])](size: Int): GroupedIterator[B]
    Definition Classes
    Iterator
  45. def hasNext: Boolean
    Definition Classes
    NextIterator → Iterator
  46. def hashCode(): Int
    Definition Classes
    AnyRef → Any
    Annotations
    @native()
  47. def indexOf[B >: (Array[Byte], Array[Byte])](elem: B, from: Int): Int
    Definition Classes
    Iterator
  48. def indexOf[B >: (Array[Byte], Array[Byte])](elem: B): Int
    Definition Classes
    Iterator
  49. def indexWhere(p: ((Array[Byte], Array[Byte])) => Boolean, from: Int): Int
    Definition Classes
    Iterator
  50. def initializeLogIfNecessary(isInterpreter: Boolean, silent: Boolean): Boolean
    Attributes
    protected
    Definition Classes
    Logging
  51. def initializeLogIfNecessary(isInterpreter: Boolean): Unit
    Attributes
    protected
    Definition Classes
    Logging
  52. def isEmpty: Boolean
    Definition Classes
    Iterator → IterableOnceOps
    Annotations
    @deprecatedOverriding()
  53. final def isInstanceOf[T0]: Boolean
    Definition Classes
    Any
  54. def isTraceEnabled(): Boolean
    Attributes
    protected
    Definition Classes
    Logging
  55. def isTraversableAgain: Boolean
    Definition Classes
    IterableOnceOps
  56. final def iterator: Iterator[(Array[Byte], Array[Byte])]
    Definition Classes
    Iterator → IterableOnce
    Annotations
    @inline()
  57. def knownSize: Int
    Definition Classes
    IterableOnce
  58. final def length: Int
    Definition Classes
    Iterator
    Annotations
    @inline()
  59. def log: Logger
    Attributes
    protected
    Definition Classes
    Logging
  60. def logDebug(msg: => String, throwable: Throwable): Unit
    Attributes
    protected
    Definition Classes
    Logging
  61. def logDebug(msg: => String): Unit
    Attributes
    protected
    Definition Classes
    Logging
  62. def logError(msg: => String, throwable: Throwable): Unit
    Attributes
    protected
    Definition Classes
    Logging
  63. def logError(msg: => String): Unit
    Attributes
    protected
    Definition Classes
    Logging
  64. def logInfo(msg: => String, throwable: Throwable): Unit
    Attributes
    protected
    Definition Classes
    Logging
  65. def logInfo(msg: => String): Unit
    Attributes
    protected
    Definition Classes
    Logging
  66. def logName: String
    Attributes
    protected
    Definition Classes
    Logging
  67. def logTrace(msg: => String, throwable: Throwable): Unit
    Attributes
    protected
    Definition Classes
    Logging
  68. def logTrace(msg: => String): Unit
    Attributes
    protected
    Definition Classes
    Logging
  69. def logWarning(msg: => String, throwable: Throwable): Unit
    Attributes
    protected
    Definition Classes
    Logging
  70. def logWarning(msg: => String): Unit
    Attributes
    protected
    Definition Classes
    Logging
  71. def map[B](f: ((Array[Byte], Array[Byte])) => B): Iterator[B]
    Definition Classes
    Iterator → IterableOnceOps
  72. def max[B >: (Array[Byte], Array[Byte])](implicit ord: Ordering[B]): (Array[Byte], Array[Byte])
    Definition Classes
    IterableOnceOps
  73. def maxBy[B](f: ((Array[Byte], Array[Byte])) => B)(implicit cmp: Ordering[B]): (Array[Byte], Array[Byte])
    Definition Classes
    IterableOnceOps
  74. def maxByOption[B](f: ((Array[Byte], Array[Byte])) => B)(implicit cmp: Ordering[B]): Option[(Array[Byte], Array[Byte])]
    Definition Classes
    IterableOnceOps
  75. def maxOption[B >: (Array[Byte], Array[Byte])](implicit ord: Ordering[B]): Option[(Array[Byte], Array[Byte])]
    Definition Classes
    IterableOnceOps
  76. def min[B >: (Array[Byte], Array[Byte])](implicit ord: Ordering[B]): (Array[Byte], Array[Byte])
    Definition Classes
    IterableOnceOps
  77. def minBy[B](f: ((Array[Byte], Array[Byte])) => B)(implicit cmp: Ordering[B]): (Array[Byte], Array[Byte])
    Definition Classes
    IterableOnceOps
  78. def minByOption[B](f: ((Array[Byte], Array[Byte])) => B)(implicit cmp: Ordering[B]): Option[(Array[Byte], Array[Byte])]
    Definition Classes
    IterableOnceOps
  79. def minOption[B >: (Array[Byte], Array[Byte])](implicit ord: Ordering[B]): Option[(Array[Byte], Array[Byte])]
    Definition Classes
    IterableOnceOps
  80. final def mkString: String
    Definition Classes
    IterableOnceOps
    Annotations
    @inline()
  81. final def mkString(sep: String): String
    Definition Classes
    IterableOnceOps
    Annotations
    @inline()
  82. final def mkString(start: String, sep: String, end: String): String
    Definition Classes
    IterableOnceOps
  83. final def ne(arg0: AnyRef): Boolean
    Definition Classes
    AnyRef
  84. def next(): (Array[Byte], Array[Byte])
    Definition Classes
    NextIterator → Iterator
  85. def nextOption(): Option[(Array[Byte], Array[Byte])]
    Definition Classes
    Iterator
  86. def nonEmpty: Boolean
    Definition Classes
    IterableOnceOps
    Annotations
    @deprecatedOverriding()
  87. final def notify(): Unit
    Definition Classes
    AnyRef
    Annotations
    @native()
  88. final def notifyAll(): Unit
    Definition Classes
    AnyRef
    Annotations
    @native()
  89. def padTo[B >: (Array[Byte], Array[Byte])](len: Int, elem: B): Iterator[B]
    Definition Classes
    Iterator
  90. def partition(p: ((Array[Byte], Array[Byte])) => Boolean): (Iterator[(Array[Byte], Array[Byte])], Iterator[(Array[Byte], Array[Byte])])
    Definition Classes
    Iterator
  91. def patch[B >: (Array[Byte], Array[Byte])](from: Int, patchElems: Iterator[B], replaced: Int): Iterator[B]
    Definition Classes
    Iterator
  92. def product[B >: (Array[Byte], Array[Byte])](implicit num: Numeric[B]): B
    Definition Classes
    IterableOnceOps
  93. def reduce[B >: (Array[Byte], Array[Byte])](op: (B, B) => B): B
    Definition Classes
    IterableOnceOps
  94. def reduceLeft[B >: (Array[Byte], Array[Byte])](op: (B, (Array[Byte], Array[Byte])) => B): B
    Definition Classes
    IterableOnceOps
  95. def reduceLeftOption[B >: (Array[Byte], Array[Byte])](op: (B, (Array[Byte], Array[Byte])) => B): Option[B]
    Definition Classes
    IterableOnceOps
  96. def reduceOption[B >: (Array[Byte], Array[Byte])](op: (B, B) => B): Option[B]
    Definition Classes
    IterableOnceOps
  97. def reduceRight[B >: (Array[Byte], Array[Byte])](op: ((Array[Byte], Array[Byte]), B) => B): B
    Definition Classes
    IterableOnceOps
  98. def reduceRightOption[B >: (Array[Byte], Array[Byte])](op: ((Array[Byte], Array[Byte]), B) => B): Option[B]
    Definition Classes
    IterableOnceOps
  99. def reversed: Iterable[(Array[Byte], Array[Byte])]
    Attributes
    protected
    Definition Classes
    IterableOnceOps
  100. def sameElements[B >: (Array[Byte], Array[Byte])](that: IterableOnce[B]): Boolean
    Definition Classes
    Iterator
  101. def scanLeft[B](z: B)(op: (B, (Array[Byte], Array[Byte])) => B): Iterator[B]
    Definition Classes
    Iterator → IterableOnceOps
  102. def size: Int
    Definition Classes
    IterableOnceOps
  103. def slice(from: Int, until: Int): Iterator[(Array[Byte], Array[Byte])]
    Definition Classes
    Iterator → IterableOnceOps
  104. def sliceIterator(from: Int, until: Int): Iterator[(Array[Byte], Array[Byte])]
    Attributes
    protected
    Definition Classes
    Iterator
  105. def sliding[B >: (Array[Byte], Array[Byte])](size: Int, step: Int): GroupedIterator[B]
    Definition Classes
    Iterator
  106. def span(p: ((Array[Byte], Array[Byte])) => Boolean): (Iterator[(Array[Byte], Array[Byte])], Iterator[(Array[Byte], Array[Byte])])
    Definition Classes
    Iterator → IterableOnceOps
  107. def splitAt(n: Int): (Iterator[(Array[Byte], Array[Byte])], Iterator[(Array[Byte], Array[Byte])])
    Definition Classes
    IterableOnceOps
  108. def stepper[S <: Stepper[_]](implicit shape: StepperShape[(Array[Byte], Array[Byte]), S]): S
    Definition Classes
    IterableOnce
  109. def sum[B >: (Array[Byte], Array[Byte])](implicit num: Numeric[B]): B
    Definition Classes
    IterableOnceOps
  110. final def synchronized[T0](arg0: => T0): T0
    Definition Classes
    AnyRef
  111. def take(n: Int): Iterator[(Array[Byte], Array[Byte])]
    Definition Classes
    Iterator → IterableOnceOps
  112. def takeWhile(p: ((Array[Byte], Array[Byte])) => Boolean): Iterator[(Array[Byte], Array[Byte])]
    Definition Classes
    Iterator → IterableOnceOps
  113. def tapEach[U](f: ((Array[Byte], Array[Byte])) => U): Iterator[(Array[Byte], Array[Byte])]
    Definition Classes
    Iterator → IterableOnceOps
  114. def to[C1](factory: Factory[(Array[Byte], Array[Byte]), C1]): C1
    Definition Classes
    IterableOnceOps
  115. def toArray[B >: (Array[Byte], Array[Byte])](implicit arg0: ClassTag[B]): Array[B]
    Definition Classes
    IterableOnceOps
  116. final def toBuffer[B >: (Array[Byte], Array[Byte])]: Buffer[B]
    Definition Classes
    IterableOnceOps
    Annotations
    @inline()
  117. def toIndexedSeq: IndexedSeq[(Array[Byte], Array[Byte])]
    Definition Classes
    IterableOnceOps
  118. def toList: List[(Array[Byte], Array[Byte])]
    Definition Classes
    IterableOnceOps
  119. def toMap[K, V](implicit ev: <:<[(Array[Byte], Array[Byte]), (K, V)]): Map[K, V]
    Definition Classes
    IterableOnceOps
  120. def toSeq: Seq[(Array[Byte], Array[Byte])]
    Definition Classes
    IterableOnceOps
  121. def toSet[B >: (Array[Byte], Array[Byte])]: Set[B]
    Definition Classes
    IterableOnceOps
  122. def toString(): String
    Definition Classes
    Iterator → AnyRef → Any
  123. def toVector: Vector[(Array[Byte], Array[Byte])]
    Definition Classes
    IterableOnceOps
  124. final def wait(): Unit
    Definition Classes
    AnyRef
    Annotations
    @throws(classOf[java.lang.InterruptedException])
  125. final def wait(arg0: Long, arg1: Int): Unit
    Definition Classes
    AnyRef
    Annotations
    @throws(classOf[java.lang.InterruptedException])
  126. final def wait(arg0: Long): Unit
    Definition Classes
    AnyRef
    Annotations
    @throws(classOf[java.lang.InterruptedException]) @native()
  127. def withFilter(p: ((Array[Byte], Array[Byte])) => Boolean): Iterator[(Array[Byte], Array[Byte])]
    Definition Classes
    Iterator
  128. def zip[B](that: IterableOnce[B]): Iterator[((Array[Byte], Array[Byte]), B)]
    Definition Classes
    Iterator
  129. def zipAll[A1 >: (Array[Byte], Array[Byte]), B](that: IterableOnce[B], thisElem: A1, thatElem: B): Iterator[(A1, B)]
    Definition Classes
    Iterator
  130. def zipWithIndex: Iterator[((Array[Byte], Array[Byte]), Int)]
    Definition Classes
    Iterator → IterableOnceOps

Deprecated Value Members

  1. final def /:[B](z: B)(op: (B, (Array[Byte], Array[Byte])) => B): B
    Definition Classes
    IterableOnceOps
    Annotations
    @deprecated @inline()
    Deprecated

    (Since version 2.13.0) Use foldLeft instead of /:

  2. final def :\[B](z: B)(op: ((Array[Byte], Array[Byte]), B) => B): B
    Definition Classes
    IterableOnceOps
    Annotations
    @deprecated @inline()
    Deprecated

    (Since version 2.13.0) Use foldRight instead of :\

  3. def aggregate[B](z: => B)(seqop: (B, (Array[Byte], Array[Byte])) => B, combop: (B, B) => B): B
    Definition Classes
    IterableOnceOps
    Annotations
    @deprecated
    Deprecated

    (Since version 2.13.0) aggregate is not relevant for sequential collections. Use foldLeft(z)(seqop) instead.

  4. final def copyToBuffer[B >: (Array[Byte], Array[Byte])](dest: Buffer[B]): Unit
    Definition Classes
    IterableOnceOps
    Annotations
    @deprecated @inline()
    Deprecated

    (Since version 2.13.0) Use dest ++= coll instead

  5. final def hasDefiniteSize: Boolean
    Definition Classes
    Iterator → IterableOnceOps
    Annotations
    @deprecated @inline()
    Deprecated

    (Since version 2.13.0) hasDefiniteSize on Iterator is the same as isEmpty

  6. def scanRight[B](z: B)(op: ((Array[Byte], Array[Byte]), B) => B): Iterator[B]
    Definition Classes
    Iterator
    Annotations
    @deprecated
    Deprecated

    (Since version 2.13.0) Call scanRight on an Iterable instead.

  7. def seq: StateStoreChangelogReader.this.type
    Definition Classes
    Iterator
    Annotations
    @deprecated
    Deprecated

    (Since version 2.13.0) Iterator.seq always returns the iterator itself

  8. final def toIterator: Iterator[(Array[Byte], Array[Byte])]
    Definition Classes
    IterableOnceOps
    Annotations
    @deprecated @inline()
    Deprecated

    (Since version 2.13.0) Use .iterator instead of .toIterator

  9. final def toStream: Stream[(Array[Byte], Array[Byte])]
    Definition Classes
    IterableOnceOps
    Annotations
    @deprecated @inline()
    Deprecated

    (Since version 2.13.0) Use .to(LazyList) instead of .toStream

Inherited from Logging

Inherited from NextIterator[(Array[Byte], Array[Byte])]

Inherited from Iterator[(Array[Byte], Array[Byte])]

Inherited from IterableOnceOps[(Array[Byte], Array[Byte]), Iterator, Iterator[(Array[Byte], Array[Byte])]]

Inherited from IterableOnce[(Array[Byte], Array[Byte])]

Inherited from AnyRef

Inherited from Any

Ungrouped