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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])], TraversableOnce[(Array[Byte], Array[Byte])], GenTraversableOnce[(Array[Byte], Array[Byte])], AnyRef, Any
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Inherited
  1. StateStoreChangelogReader
  2. Logging
  3. NextIterator
  4. Iterator
  5. TraversableOnce
  6. GenTraversableOnce
  7. AnyRef
  8. Any
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Visibility
  1. Public
  2. All

Instance Constructors

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

Type Members

  1. class GroupedIterator[B >: A] extends AbstractIterator[Seq[B]] with Iterator[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. def ++[B >: (Array[Byte], Array[Byte])](that: ⇒ GenTraversableOnce[B]): Iterator[B]
    Definition Classes
    Iterator
  4. final def ==(arg0: Any): Boolean
    Definition Classes
    AnyRef → Any
  5. def addString(b: StringBuilder): StringBuilder
    Definition Classes
    TraversableOnce
  6. def addString(b: StringBuilder, sep: String): StringBuilder
    Definition Classes
    TraversableOnce
  7. def addString(b: StringBuilder, start: String, sep: String, end: String): StringBuilder
    Definition Classes
    TraversableOnce
  8. def aggregate[B](z: ⇒ B)(seqop: (B, (Array[Byte], Array[Byte])) ⇒ B, combop: (B, B) ⇒ B): B
    Definition Classes
    TraversableOnce → GenTraversableOnce
  9. final def asInstanceOf[T0]: T0
    Definition Classes
    Any
  10. def buffered: BufferedIterator[(Array[Byte], Array[Byte])]
    Definition Classes
    Iterator
  11. def clone(): AnyRef
    Attributes
    protected[lang]
    Definition Classes
    AnyRef
    Annotations
    @throws( ... ) @native()
  12. def close(): Unit
    Definition Classes
    StateStoreChangelogReader → NextIterator
  13. def closeIfNeeded(): Unit
    Definition Classes
    NextIterator
  14. def collect[B](pf: PartialFunction[(Array[Byte], Array[Byte]), B]): Iterator[B]
    Definition Classes
    Iterator
    Annotations
    @migration
    Migration

    (Changed in version 2.8.0) collect has changed. The previous behavior can be reproduced with toSeq.

  15. def collectFirst[B](pf: PartialFunction[(Array[Byte], Array[Byte]), B]): Option[B]
    Definition Classes
    TraversableOnce
  16. def contains(elem: Any): Boolean
    Definition Classes
    Iterator
  17. def copyToArray[B >: (Array[Byte], Array[Byte])](xs: Array[B], start: Int, len: Int): Unit
    Definition Classes
    Iterator → TraversableOnce → GenTraversableOnce
  18. def copyToArray[B >: (Array[Byte], Array[Byte])](xs: Array[B]): Unit
    Definition Classes
    TraversableOnce → GenTraversableOnce
  19. def copyToArray[B >: (Array[Byte], Array[Byte])](xs: Array[B], start: Int): Unit
    Definition Classes
    TraversableOnce → GenTraversableOnce
  20. def copyToBuffer[B >: (Array[Byte], Array[Byte])](dest: Buffer[B]): Unit
    Definition Classes
    TraversableOnce
  21. def corresponds[B](that: GenTraversableOnce[B])(p: ((Array[Byte], Array[Byte]), B) ⇒ Boolean): Boolean
    Definition Classes
    Iterator
  22. def count(p: ((Array[Byte], Array[Byte])) ⇒ Boolean): Int
    Definition Classes
    TraversableOnce → GenTraversableOnce
  23. def drop(n: Int): Iterator[(Array[Byte], Array[Byte])]
    Definition Classes
    Iterator
  24. def dropWhile(p: ((Array[Byte], Array[Byte])) ⇒ Boolean): Iterator[(Array[Byte], Array[Byte])]
    Definition Classes
    Iterator
  25. def duplicate: (Iterator[(Array[Byte], Array[Byte])], Iterator[(Array[Byte], Array[Byte])])
    Definition Classes
    Iterator
  26. final def eq(arg0: AnyRef): Boolean
    Definition Classes
    AnyRef
  27. def equals(arg0: Any): Boolean
    Definition Classes
    AnyRef → Any
  28. def exists(p: ((Array[Byte], Array[Byte])) ⇒ Boolean): Boolean
    Definition Classes
    Iterator → TraversableOnce → GenTraversableOnce
  29. def filter(p: ((Array[Byte], Array[Byte])) ⇒ Boolean): Iterator[(Array[Byte], Array[Byte])]
    Definition Classes
    Iterator
  30. def filterNot(p: ((Array[Byte], Array[Byte])) ⇒ Boolean): Iterator[(Array[Byte], Array[Byte])]
    Definition Classes
    Iterator
  31. def finalize(): Unit
    Attributes
    protected[lang]
    Definition Classes
    AnyRef
    Annotations
    @throws( classOf[java.lang.Throwable] )
  32. def find(p: ((Array[Byte], Array[Byte])) ⇒ Boolean): Option[(Array[Byte], Array[Byte])]
    Definition Classes
    Iterator → TraversableOnce → GenTraversableOnce
  33. var finished: Boolean
    Attributes
    protected
    Definition Classes
    NextIterator
  34. def flatMap[B](f: ((Array[Byte], Array[Byte])) ⇒ GenTraversableOnce[B]): Iterator[B]
    Definition Classes
    Iterator
  35. def fold[A1 >: (Array[Byte], Array[Byte])](z: A1)(op: (A1, A1) ⇒ A1): A1
    Definition Classes
    TraversableOnce → GenTraversableOnce
  36. def foldLeft[B](z: B)(op: (B, (Array[Byte], Array[Byte])) ⇒ B): B
    Definition Classes
    TraversableOnce → GenTraversableOnce
  37. def foldRight[B](z: B)(op: ((Array[Byte], Array[Byte]), B) ⇒ B): B
    Definition Classes
    TraversableOnce → GenTraversableOnce
  38. def forall(p: ((Array[Byte], Array[Byte])) ⇒ Boolean): Boolean
    Definition Classes
    Iterator → TraversableOnce → GenTraversableOnce
  39. def foreach[U](f: ((Array[Byte], Array[Byte])) ⇒ U): Unit
    Definition Classes
    Iterator → TraversableOnce → GenTraversableOnce
  40. final def getClass(): Class[_]
    Definition Classes
    AnyRef → Any
    Annotations
    @native()
  41. def getNext(): (Array[Byte], Array[Byte])
    Definition Classes
    StateStoreChangelogReader → NextIterator
  42. def grouped[B >: (Array[Byte], Array[Byte])](size: Int): GroupedIterator[B]
    Definition Classes
    Iterator
  43. def hasDefiniteSize: Boolean
    Definition Classes
    Iterator → TraversableOnce → GenTraversableOnce
  44. def hasNext: Boolean
    Definition Classes
    NextIterator → Iterator
  45. def hashCode(): Int
    Definition Classes
    AnyRef → Any
    Annotations
    @native()
  46. def indexOf[B >: (Array[Byte], Array[Byte])](elem: B, from: Int): Int
    Definition Classes
    Iterator
  47. def indexOf[B >: (Array[Byte], Array[Byte])](elem: B): Int
    Definition Classes
    Iterator
  48. def indexWhere(p: ((Array[Byte], Array[Byte])) ⇒ Boolean, from: Int): Int
    Definition Classes
    Iterator
  49. def indexWhere(p: ((Array[Byte], Array[Byte])) ⇒ Boolean): 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 → TraversableOnce → GenTraversableOnce
  53. final def isInstanceOf[T0]: Boolean
    Definition Classes
    Any
  54. def isTraceEnabled(): Boolean
    Attributes
    protected
    Definition Classes
    Logging
  55. def isTraversableAgain: Boolean
    Definition Classes
    Iterator → GenTraversableOnce
  56. def length: Int
    Definition Classes
    Iterator
  57. def log: Logger
    Attributes
    protected
    Definition Classes
    Logging
  58. def logDebug(msg: ⇒ String, throwable: Throwable): Unit
    Attributes
    protected
    Definition Classes
    Logging
  59. def logDebug(msg: ⇒ String): Unit
    Attributes
    protected
    Definition Classes
    Logging
  60. def logError(msg: ⇒ String, throwable: Throwable): Unit
    Attributes
    protected
    Definition Classes
    Logging
  61. def logError(msg: ⇒ String): Unit
    Attributes
    protected
    Definition Classes
    Logging
  62. def logInfo(msg: ⇒ String, throwable: Throwable): Unit
    Attributes
    protected
    Definition Classes
    Logging
  63. def logInfo(msg: ⇒ String): Unit
    Attributes
    protected
    Definition Classes
    Logging
  64. def logName: String
    Attributes
    protected
    Definition Classes
    Logging
  65. def logTrace(msg: ⇒ String, throwable: Throwable): Unit
    Attributes
    protected
    Definition Classes
    Logging
  66. def logTrace(msg: ⇒ String): Unit
    Attributes
    protected
    Definition Classes
    Logging
  67. def logWarning(msg: ⇒ String, throwable: Throwable): Unit
    Attributes
    protected
    Definition Classes
    Logging
  68. def logWarning(msg: ⇒ String): Unit
    Attributes
    protected
    Definition Classes
    Logging
  69. def map[B](f: ((Array[Byte], Array[Byte])) ⇒ B): Iterator[B]
    Definition Classes
    Iterator
  70. def max[B >: (Array[Byte], Array[Byte])](implicit cmp: Ordering[B]): (Array[Byte], Array[Byte])
    Definition Classes
    TraversableOnce → GenTraversableOnce
  71. def maxBy[B](f: ((Array[Byte], Array[Byte])) ⇒ B)(implicit cmp: Ordering[B]): (Array[Byte], Array[Byte])
    Definition Classes
    TraversableOnce → GenTraversableOnce
  72. def min[B >: (Array[Byte], Array[Byte])](implicit cmp: Ordering[B]): (Array[Byte], Array[Byte])
    Definition Classes
    TraversableOnce → GenTraversableOnce
  73. def minBy[B](f: ((Array[Byte], Array[Byte])) ⇒ B)(implicit cmp: Ordering[B]): (Array[Byte], Array[Byte])
    Definition Classes
    TraversableOnce → GenTraversableOnce
  74. def mkString: String
    Definition Classes
    TraversableOnce → GenTraversableOnce
  75. def mkString(sep: String): String
    Definition Classes
    TraversableOnce → GenTraversableOnce
  76. def mkString(start: String, sep: String, end: String): String
    Definition Classes
    TraversableOnce → GenTraversableOnce
  77. final def ne(arg0: AnyRef): Boolean
    Definition Classes
    AnyRef
  78. def next(): (Array[Byte], Array[Byte])
    Definition Classes
    NextIterator → Iterator
  79. def nonEmpty: Boolean
    Definition Classes
    TraversableOnce → GenTraversableOnce
  80. final def notify(): Unit
    Definition Classes
    AnyRef
    Annotations
    @native()
  81. final def notifyAll(): Unit
    Definition Classes
    AnyRef
    Annotations
    @native()
  82. def padTo[A1 >: (Array[Byte], Array[Byte])](len: Int, elem: A1): Iterator[A1]
    Definition Classes
    Iterator
  83. def partition(p: ((Array[Byte], Array[Byte])) ⇒ Boolean): (Iterator[(Array[Byte], Array[Byte])], Iterator[(Array[Byte], Array[Byte])])
    Definition Classes
    Iterator
  84. def patch[B >: (Array[Byte], Array[Byte])](from: Int, patchElems: Iterator[B], replaced: Int): Iterator[B]
    Definition Classes
    Iterator
  85. def product[B >: (Array[Byte], Array[Byte])](implicit num: Numeric[B]): B
    Definition Classes
    TraversableOnce → GenTraversableOnce
  86. def reduce[A1 >: (Array[Byte], Array[Byte])](op: (A1, A1) ⇒ A1): A1
    Definition Classes
    TraversableOnce → GenTraversableOnce
  87. def reduceLeft[B >: (Array[Byte], Array[Byte])](op: (B, (Array[Byte], Array[Byte])) ⇒ B): B
    Definition Classes
    TraversableOnce
  88. def reduceLeftOption[B >: (Array[Byte], Array[Byte])](op: (B, (Array[Byte], Array[Byte])) ⇒ B): Option[B]
    Definition Classes
    TraversableOnce → GenTraversableOnce
  89. def reduceOption[A1 >: (Array[Byte], Array[Byte])](op: (A1, A1) ⇒ A1): Option[A1]
    Definition Classes
    TraversableOnce → GenTraversableOnce
  90. def reduceRight[B >: (Array[Byte], Array[Byte])](op: ((Array[Byte], Array[Byte]), B) ⇒ B): B
    Definition Classes
    TraversableOnce → GenTraversableOnce
  91. def reduceRightOption[B >: (Array[Byte], Array[Byte])](op: ((Array[Byte], Array[Byte]), B) ⇒ B): Option[B]
    Definition Classes
    TraversableOnce → GenTraversableOnce
  92. def reversed: List[(Array[Byte], Array[Byte])]
    Attributes
    protected[this]
    Definition Classes
    TraversableOnce
  93. def sameElements(that: Iterator[_]): Boolean
    Definition Classes
    Iterator
  94. def scanLeft[B](z: B)(op: (B, (Array[Byte], Array[Byte])) ⇒ B): Iterator[B]
    Definition Classes
    Iterator
  95. def scanRight[B](z: B)(op: ((Array[Byte], Array[Byte]), B) ⇒ B): Iterator[B]
    Definition Classes
    Iterator
  96. def seq: Iterator[(Array[Byte], Array[Byte])]
    Definition Classes
    Iterator → TraversableOnce → GenTraversableOnce
  97. def size: Int
    Definition Classes
    TraversableOnce → GenTraversableOnce
  98. def sizeHintIfCheap: Int
    Attributes
    protected[collection]
    Definition Classes
    GenTraversableOnce
  99. def slice(from: Int, until: Int): Iterator[(Array[Byte], Array[Byte])]
    Definition Classes
    Iterator
  100. def sliceIterator(from: Int, until: Int): Iterator[(Array[Byte], Array[Byte])]
    Attributes
    protected
    Definition Classes
    Iterator
  101. def sliding[B >: (Array[Byte], Array[Byte])](size: Int, step: Int): GroupedIterator[B]
    Definition Classes
    Iterator
  102. def span(p: ((Array[Byte], Array[Byte])) ⇒ Boolean): (Iterator[(Array[Byte], Array[Byte])], Iterator[(Array[Byte], Array[Byte])])
    Definition Classes
    Iterator
  103. def sum[B >: (Array[Byte], Array[Byte])](implicit num: Numeric[B]): B
    Definition Classes
    TraversableOnce → GenTraversableOnce
  104. final def synchronized[T0](arg0: ⇒ T0): T0
    Definition Classes
    AnyRef
  105. def take(n: Int): Iterator[(Array[Byte], Array[Byte])]
    Definition Classes
    Iterator
  106. def takeWhile(p: ((Array[Byte], Array[Byte])) ⇒ Boolean): Iterator[(Array[Byte], Array[Byte])]
    Definition Classes
    Iterator
  107. def to[Col[_]](implicit cbf: CanBuildFrom[Nothing, (Array[Byte], Array[Byte]), Col[(Array[Byte], Array[Byte])]]): Col[(Array[Byte], Array[Byte])]
    Definition Classes
    TraversableOnce → GenTraversableOnce
  108. def toArray[B >: (Array[Byte], Array[Byte])](implicit arg0: ClassTag[B]): Array[B]
    Definition Classes
    TraversableOnce → GenTraversableOnce
  109. def toBuffer[B >: (Array[Byte], Array[Byte])]: Buffer[B]
    Definition Classes
    TraversableOnce → GenTraversableOnce
  110. def toIndexedSeq: IndexedSeq[(Array[Byte], Array[Byte])]
    Definition Classes
    TraversableOnce → GenTraversableOnce
  111. def toIterable: Iterable[(Array[Byte], Array[Byte])]
    Definition Classes
    TraversableOnce → GenTraversableOnce
  112. def toIterator: Iterator[(Array[Byte], Array[Byte])]
    Definition Classes
    Iterator → GenTraversableOnce
  113. def toList: List[(Array[Byte], Array[Byte])]
    Definition Classes
    TraversableOnce → GenTraversableOnce
  114. def toMap[T, U](implicit ev: <:<[(Array[Byte], Array[Byte]), (T, U)]): Map[T, U]
    Definition Classes
    TraversableOnce → GenTraversableOnce
  115. def toSeq: Seq[(Array[Byte], Array[Byte])]
    Definition Classes
    TraversableOnce → GenTraversableOnce
  116. def toSet[B >: (Array[Byte], Array[Byte])]: Set[B]
    Definition Classes
    TraversableOnce → GenTraversableOnce
  117. def toStream: Stream[(Array[Byte], Array[Byte])]
    Definition Classes
    Iterator → GenTraversableOnce
  118. def toString(): String
    Definition Classes
    Iterator → AnyRef → Any
  119. def toTraversable: Traversable[(Array[Byte], Array[Byte])]
    Definition Classes
    Iterator → TraversableOnce → GenTraversableOnce
  120. def toVector: Vector[(Array[Byte], Array[Byte])]
    Definition Classes
    TraversableOnce → GenTraversableOnce
  121. final def wait(): Unit
    Definition Classes
    AnyRef
    Annotations
    @throws( ... )
  122. final def wait(arg0: Long, arg1: Int): Unit
    Definition Classes
    AnyRef
    Annotations
    @throws( ... )
  123. final def wait(arg0: Long): Unit
    Definition Classes
    AnyRef
    Annotations
    @throws( ... ) @native()
  124. def withFilter(p: ((Array[Byte], Array[Byte])) ⇒ Boolean): Iterator[(Array[Byte], Array[Byte])]
    Definition Classes
    Iterator
  125. def zip[B](that: Iterator[B]): Iterator[((Array[Byte], Array[Byte]), B)]
    Definition Classes
    Iterator
  126. def zipAll[B, A1 >: (Array[Byte], Array[Byte]), B1 >: B](that: Iterator[B], thisElem: A1, thatElem: B1): Iterator[(A1, B1)]
    Definition Classes
    Iterator
  127. def zipWithIndex: Iterator[((Array[Byte], Array[Byte]), Int)]
    Definition Classes
    Iterator

Deprecated Value Members

  1. def /:[B](z: B)(op: (B, (Array[Byte], Array[Byte])) ⇒ B): B
    Definition Classes
    TraversableOnce → GenTraversableOnce
    Annotations
    @deprecated
    Deprecated

    (Since version 2.12.10) Use foldLeft instead of /:

  2. def :\[B](z: B)(op: ((Array[Byte], Array[Byte]), B) ⇒ B): B
    Definition Classes
    TraversableOnce → GenTraversableOnce
    Annotations
    @deprecated
    Deprecated

    (Since version 2.12.10) Use foldRight instead of :\

Inherited from Logging

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

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

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

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

Inherited from AnyRef

Inherited from Any

Ungrouped