Class

reactivemongo.api

FlattenedCursor

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class FlattenedCursor[T] extends Cursor[T]

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Inherited
  1. FlattenedCursor
  2. Cursor
  3. AnyRef
  4. Any
Implicitly
  1. by any2stringadd
  2. by StringFormat
  3. by Ensuring
  4. by ArrowAssoc
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Instance Constructors

  1. new FlattenedCursor(cursor: Future[Cursor[T]])

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Value Members

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

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    Definition Classes
    AnyRef → Any
  2. final def ##(): Int

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    Definition Classes
    AnyRef → Any
  3. def +(other: String): String

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    Implicit information
    This member is added by an implicit conversion from FlattenedCursor[T] to any2stringadd[FlattenedCursor[T]] performed by method any2stringadd in scala.Predef.
    Definition Classes
    any2stringadd
  4. def ->[B](y: B): (FlattenedCursor[T], B)

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    Implicit information
    This member is added by an implicit conversion from FlattenedCursor[T] to ArrowAssoc[FlattenedCursor[T]] performed by method ArrowAssoc in scala.Predef.
    Definition Classes
    ArrowAssoc
    Annotations
    @inline()
  5. final def ==(arg0: Any): Boolean

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    Definition Classes
    AnyRef → Any
  6. final def asInstanceOf[T0]: T0

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    Definition Classes
    Any
  7. def clone(): AnyRef

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    Attributes
    protected[java.lang]
    Definition Classes
    AnyRef
    Annotations
    @throws( ... )
  8. def collect[M[_]](maxDocs: Int, err: ErrorHandler[M[T]])(implicit cbf: CanBuildFrom[M[_], T, M[T]], ec: ExecutionContext): Future[M[T]]

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    Collects all the documents into a collection of type M[T].

    Collects all the documents into a collection of type M[T].

    maxDocs

    the maximum number of documents to be retrieved (-1 for unlimited).

    err

    The binary operator to be applied when failing to get the next response. Exception or Fail raised within the suc function cannot be recovered by this error handler.

    val cursor = collection.find(query, filter).cursor[BSONDocument]
    // return the 3 first documents in a Vector[BSONDocument].
    val vector = cursor.collect[Vector](3, Cursor.FailOnError())
    Definition Classes
    FlattenedCursorCursor
  9. def ensuring(cond: (FlattenedCursor[T]) ⇒ Boolean, msg: ⇒ Any): FlattenedCursor[T]

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    Implicit information
    This member is added by an implicit conversion from FlattenedCursor[T] to Ensuring[FlattenedCursor[T]] performed by method Ensuring in scala.Predef.
    Definition Classes
    Ensuring
  10. def ensuring(cond: (FlattenedCursor[T]) ⇒ Boolean): FlattenedCursor[T]

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    Implicit information
    This member is added by an implicit conversion from FlattenedCursor[T] to Ensuring[FlattenedCursor[T]] performed by method Ensuring in scala.Predef.
    Definition Classes
    Ensuring
  11. def ensuring(cond: Boolean, msg: ⇒ Any): FlattenedCursor[T]

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    Implicit information
    This member is added by an implicit conversion from FlattenedCursor[T] to Ensuring[FlattenedCursor[T]] performed by method Ensuring in scala.Predef.
    Definition Classes
    Ensuring
  12. def ensuring(cond: Boolean): FlattenedCursor[T]

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    Implicit information
    This member is added by an implicit conversion from FlattenedCursor[T] to Ensuring[FlattenedCursor[T]] performed by method Ensuring in scala.Predef.
    Definition Classes
    Ensuring
  13. final def eq(arg0: AnyRef): Boolean

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    Definition Classes
    AnyRef
  14. def equals(arg0: Any): Boolean

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    Definition Classes
    AnyRef → Any
  15. def finalize(): Unit

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    Attributes
    protected[java.lang]
    Definition Classes
    AnyRef
    Annotations
    @throws( classOf[java.lang.Throwable] )
  16. def fold[A](z: ⇒ A, maxDocs: Int = 1)(suc: (A, T) ⇒ A)(implicit ctx: ExecutionContext): Future[A]

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    Applies a binary operator to a start value and all elements retrieved by this cursor, going first to last.

    Applies a binary operator to a start value and all elements retrieved by this cursor, going first to last.

    A

    the result type of the binary operator

    cursor.foldWhile(Nil: Seq[Person])((s, p) => Cursor.Cont(s :+ p),
      { (l, e) => println("last valid value: " + l); Cursor.Fail(e) })
    z

    the initial value

    maxDocs

    the maximum number of documents to be retrieved (-1 for unlimited).

    suc

    The binary operator to be applied when the next document is successfully read.

    Definition Classes
    Cursor
  17. def foldBulks[A](z: ⇒ A, maxDocs: Int = 1)(suc: (A, Iterator[T]) ⇒ State[A], err: ErrorHandler[A])(implicit ctx: ExecutionContext): Future[A]

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    Applies a binary operator to a start value and all bulks of documents retrieved by this cursor, going first to last.

    Applies a binary operator to a start value and all bulks of documents retrieved by this cursor, going first to last.

    A

    the result type of the binary operator

    z

    the initial value

    maxDocs

    the maximum number of documents to be retrieved (-1 for unlimited). The actual document count can exceed this, when this maximum devided by the batch size given a non-zero remainder.

    suc

    The binary operator to be applied when the next response is successfully read.

    err

    The binary operator to be applied when failing to get the next response. Exception or Fail raised within the suc function cannot be recovered by this error handler.

    Definition Classes
    FlattenedCursorCursor
  18. def foldBulksM[A](z: ⇒ A, maxDocs: Int = 1)(suc: (A, Iterator[T]) ⇒ Future[State[A]], err: ErrorHandler[A])(implicit ctx: ExecutionContext): Future[A]

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    Applies a binary operator to a start value and all bulks of documents retrieved by this cursor, going first to last.

    Applies a binary operator to a start value and all bulks of documents retrieved by this cursor, going first to last.

    A

    the result type of the binary operator

    z

    the initial value

    maxDocs

    the maximum number of documents to be retrieved (-1 for unlimited). The actual document count can exceed this, when this maximum devided by the batch size given a non-zero remainder.

    suc

    The binary operator to be applied when the next response is successfully read. This must be safe, and any error must be returned as Future.failed[State[A]].

    err

    The binary operator to be applied when failing to get the next response. Exception or Fail raised within the suc function cannot be recovered by this error handler.

    Definition Classes
    FlattenedCursorCursor
  19. def foldResponses[A](z: ⇒ A, maxDocs: Int = 1)(suc: (A, Response) ⇒ State[A], err: ErrorHandler[A])(implicit ctx: ExecutionContext): Future[A]

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    Applies a binary operator to a start value and all responses handled by this cursor, going first to last.

    Applies a binary operator to a start value and all responses handled by this cursor, going first to last.

    A

    the result type of the binary operator

    z

    the initial value

    maxDocs

    the maximum number of documents to be retrieved (-1 for unlimited). The actual document count can exceed this, when this maximum devided by the batch size given a non-zero remainder.

    suc

    The binary operator to be applied when the next response is successfully read.

    err

    The binary operator to be applied when failing to get the next response. Exception or Fail raised within the suc function cannot be recovered by this error handler.

    Definition Classes
    FlattenedCursorCursor
  20. def foldResponsesM[A](z: ⇒ A, maxDocs: Int = 1)(suc: (A, Response) ⇒ Future[State[A]], err: ErrorHandler[A])(implicit ctx: ExecutionContext): Future[A]

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    Applies a binary operator to a start value and all responses handled by this cursor, going first to last.

    Applies a binary operator to a start value and all responses handled by this cursor, going first to last.

    A

    the result type of the binary operator

    z

    the initial value

    maxDocs

    the maximum number of documents to be retrieved (-1 for unlimited). The actual document count can exceed this, when this maximum devided by the batch size given a non-zero remainder.

    suc

    The binary operator to be applied when the next response is successfully read. This must be safe, and any error must be returned as Future.failed[State[A]].

    err

    The binary operator to be applied when failing to get the next response. Exception or Fail raised within the suc function cannot be recovered by this error handler.

    Definition Classes
    FlattenedCursorCursor
  21. def foldWhile[A](z: ⇒ A, maxDocs: Int = 1)(suc: (A, T) ⇒ State[A], err: ErrorHandler[A])(implicit ctx: ExecutionContext): Future[A]

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    Applies a binary operator to a start value and all elements retrieved by this cursor, going first to last.

    Applies a binary operator to a start value and all elements retrieved by this cursor, going first to last.

    A

    the result type of the binary operator

    cursor.foldWhile(Nil: Seq[Person])((s, p) => Cursor.Cont(s :+ p),
      { (l, e) => println("last valid value: " + l); Cursor.Fail(e) })
    z

    the initial value

    maxDocs

    the maximum number of documents to be retrieved (-1 for unlimited).

    suc

    The binary operator to be applied when the next document is successfully read.

    err

    The binary operator to be applied when failing to get the next response. Exception or Fail raised within the suc function cannot be recovered by this error handler.

    Definition Classes
    FlattenedCursorCursor
  22. def foldWhileM[A](z: ⇒ A, maxDocs: Int = 1)(suc: (A, T) ⇒ Future[State[A]], err: ErrorHandler[A])(implicit ctx: ExecutionContext): Future[A]

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    Applies a binary operator to a start value and all elements retrieved by this cursor, going first to last.

    Applies a binary operator to a start value and all elements retrieved by this cursor, going first to last.

    A

    the result type of the binary operator

    cursor.foldWhileM(Nil: Seq[Person])(
      (s, p) => Future.successful(Cursor.Cont(s :+ p)),
      { (l, e) => Future {
        println("last valid value: " + l)
        Cursor.Fail(e)
      })
    z

    the initial value

    maxDocs

    the maximum number of documents to be retrieved (-1 for unlimited).

    suc

    The binary operator to be applied when the next document is successfully read. This must be safe, and any error must be returned as Future.failed[State[A]].

    err

    The binary operator to be applied when failing to get the next response. Exception or Fail raised within the suc function cannot be recovered by this error handler.

    Definition Classes
    FlattenedCursorCursor
  23. def formatted(fmtstr: String): String

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    Implicit information
    This member is added by an implicit conversion from FlattenedCursor[T] to StringFormat[FlattenedCursor[T]] performed by method StringFormat in scala.Predef.
    Definition Classes
    StringFormat
    Annotations
    @inline()
  24. final def getClass(): Class[_]

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    Definition Classes
    AnyRef → Any
  25. def hashCode(): Int

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    Definition Classes
    AnyRef → Any
  26. def head(implicit ctx: ExecutionContext): Future[T]

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    Returns the first document matching the query, or fails with Cursor.NoSuchResultException if none.

    Returns the first document matching the query, or fails with Cursor.NoSuchResultException if none.

    val cursor = collection.find(query, filter).cursor[BSONDocument]
    // return option of the first element.
    val first: Future[BSONDocument] = cursor.head
    Definition Classes
    FlattenedCursorCursor
  27. def headOption(implicit ctx: ExecutionContext): Future[Option[T]]

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    Returns the first document matching the query, if any.

    Returns the first document matching the query, if any.

    val cursor = collection.find(query, filter).cursor[BSONDocument]
    // return option of the first element.
    val maybeFirst: Future[Option[BSONDocument]] = cursor.headOption
    Definition Classes
    FlattenedCursorCursor
  28. final def isInstanceOf[T0]: Boolean

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    Definition Classes
    Any
  29. final def ne(arg0: AnyRef): Boolean

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    Definition Classes
    AnyRef
  30. final def notify(): Unit

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    Definition Classes
    AnyRef
  31. final def notifyAll(): Unit

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    Definition Classes
    AnyRef
  32. final def synchronized[T0](arg0: ⇒ T0): T0

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    Definition Classes
    AnyRef
  33. def toString(): String

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    Definition Classes
    AnyRef → Any
  34. final def wait(): Unit

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    Definition Classes
    AnyRef
    Annotations
    @throws( ... )
  35. final def wait(arg0: Long, arg1: Int): Unit

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    Definition Classes
    AnyRef
    Annotations
    @throws( ... )
  36. final def wait(arg0: Long): Unit

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    Definition Classes
    AnyRef
    Annotations
    @throws( ... )
  37. def [B](y: B): (FlattenedCursor[T], B)

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    Implicit information
    This member is added by an implicit conversion from FlattenedCursor[T] to ArrowAssoc[FlattenedCursor[T]] performed by method ArrowAssoc in scala.Predef.
    Definition Classes
    ArrowAssoc

Deprecated Value Members

  1. def collect[M[_]](maxDocs: Int = 1, stopOnError: Boolean = true)(implicit cbf: CanBuildFrom[M[_], T, M[T]], ec: ExecutionContext): Future[M[T]]

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    Collects all the documents into a collection of type M[T].

    Collects all the documents into a collection of type M[T].

    maxDocs

    the maximum number of documents to be retrieved (-1 for unlimited).

    stopOnError

    States if may stop on non-fatal exception (default: true). If set to false, the exceptions are skipped, trying to get the next result..

    val cursor = collection.find(query, filter).cursor[BSONDocument]
    // return the 3 first documents in a Vector[BSONDocument].
    val vector = cursor.collect[Vector](3)
    Definition Classes
    Cursor
    Annotations
    @deprecated
    Deprecated

    (Since version 0.12-RC1) Use collect with an Cursor.ErrorHandler.

  2. def enumerate(maxDocs: Int = 1, stopOnError: Boolean = false)(implicit ctx: ExecutionContext): Enumerator[T]

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    Produces an Enumerator of documents.

    Produces an Enumerator of documents. The returned enumerator may process up to maxDocs. If stopOnError is false, then documents that cause error are dropped, so the enumerator may emit a little less than maxDocs, even if it processes maxDocs documents.

    maxDocs

    the maximum number of documents to be retrieved (-1 for unlimited).

    stopOnError

    States if may stop on non-fatal exception (default: true). If set to false, the exceptions are skipped, trying to get the next result..

    returns

    an play.api.libs.iteratee.Enumerator of documents

    Definition Classes
    FlattenedCursorCursor
    Annotations
    @deprecated
    Deprecated

    (Since version 0.11.10) Use the Play Iteratees module

  3. def enumerateBulks(maxDocs: Int = 1, stopOnError: Boolean = false)(implicit ctx: ExecutionContext): Enumerator[Iterator[T]]

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    Produces an Enumerator of Iterator of documents.

    Produces an Enumerator of Iterator of documents. Given the stopOnError parameter, this Enumerator may stop on any non-fatal exception, or skip and continue.

    maxDocs

    the maximum number of documents to be retrieved (-1 for unlimited). The actual document count can exceed this, when this maximum devided by the batch size given a non-zero remainder.

    stopOnError

    States if may stop on non-fatal exception (default: true). If set to false, the exceptions are skipped, trying to get the next result..

    returns

    an play.api.libs.iteratee.Enumerator of Iterators of documents

    Definition Classes
    FlattenedCursorCursor
    Annotations
    @deprecated
    Deprecated

    (Since version 0.11.10) Use the Play Iteratees module

  4. def enumerateResponses(maxDocs: Int = 1, stopOnError: Boolean = false)(implicit ctx: ExecutionContext): Enumerator[Response]

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    Produces an Enumerator of responses from the database.

    Produces an Enumerator of responses from the database. Given the stopOnError parameter, this Enumerator may stop on any non-fatal exception, or skip and continue.

    maxDocs

    the maximum number of documents to be retrieved (-1 for unlimited). The actual document count can exceed this, when this maximum devided by the batch size given a non-zero remainder.

    stopOnError

    States if may stop on non-fatal exception (default: true). If set to false, the exceptions are skipped, trying to get the next result..

    returns

    an play.api.libs.iteratee.Enumerator of Responses.

    Definition Classes
    FlattenedCursorCursor
    Annotations
    @deprecated
    Deprecated

    (Since version 0.11.10) Use the Play Iteratees module

  5. def rawEnumerateResponses(maxDocs: Int = 1)(implicit ctx: ExecutionContext): Enumerator[Response]

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    Produces an Enumerator of responses from the database.

    Produces an Enumerator of responses from the database. An Enumeratee for error handling should be used to prevent silent failures.

    maxDocs

    the maximum number of documents to be retrieved (-1 for unlimited)

    Definition Classes
    FlattenedCursorCursor
    Annotations
    @deprecated
    Deprecated

    (Since version 0.11.10) Use the Play Iteratees module

  6. def toList(maxDocs: Int = 1, stopOnError: Boolean = true)(implicit ctx: ExecutionContext): Future[List[T]]

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    Returns the list of the matching documents.

    Returns the list of the matching documents.

    Definition Classes
    Cursor
    Annotations
    @deprecated
    Deprecated

    (Since version 0.10.0) consider using collect[List] instead

Inherited from Cursor[T]

Inherited from AnyRef

Inherited from Any

Inherited by implicit conversion any2stringadd from FlattenedCursor[T] to any2stringadd[FlattenedCursor[T]]

Inherited by implicit conversion StringFormat from FlattenedCursor[T] to StringFormat[FlattenedCursor[T]]

Inherited by implicit conversion Ensuring from FlattenedCursor[T] to Ensuring[FlattenedCursor[T]]

Inherited by implicit conversion ArrowAssoc from FlattenedCursor[T] to ArrowAssoc[FlattenedCursor[T]]

Ungrouped