class FlattenedCursor[T] extends Cursor[T]
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final
def
!=(arg0: Any): Boolean
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final
def
##(): Int
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def
+(other: String): String
- Implicit
- 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
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def
->[B](y: B): (FlattenedCursor[T], B)
- Implicit
- This member is added by an implicit conversion from FlattenedCursor[T] to ArrowAssoc[FlattenedCursor[T]] performed by method ArrowAssoc in scala.Predef.
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final
def
==(arg0: Any): Boolean
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final
def
asInstanceOf[T0]: T0
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clone(): AnyRef
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def
collect[M[_]](maxDocs: Int, err: ErrorHandler[M[T]])(implicit cbf: CanBuildFrom[M[_], T, M[T]], ec: ExecutionContext): Future[M[T]]
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
sucfunction 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[Vector[BSONDocument]]())
- Definition Classes
- FlattenedCursor → Cursor
-
def
ensuring(cond: (FlattenedCursor[T]) ⇒ Boolean, msg: ⇒ Any): FlattenedCursor[T]
- Implicit
- This member is added by an implicit conversion from FlattenedCursor[T] to Ensuring[FlattenedCursor[T]] performed by method Ensuring in scala.Predef.
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- Ensuring
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def
ensuring(cond: (FlattenedCursor[T]) ⇒ Boolean): FlattenedCursor[T]
- Implicit
- 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
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def
ensuring(cond: Boolean, msg: ⇒ Any): FlattenedCursor[T]
- Implicit
- 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
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def
ensuring(cond: Boolean): FlattenedCursor[T]
- Implicit
- This member is added by an implicit conversion from FlattenedCursor[T] to Ensuring[FlattenedCursor[T]] performed by method Ensuring in scala.Predef.
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- Ensuring
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final
def
eq(arg0: AnyRef): Boolean
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def
equals(arg0: Any): Boolean
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def
finalize(): Unit
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def
fold[A](z: ⇒ A, maxDocs: Int = -1)(suc: (A, T) ⇒ A)(implicit ec: ExecutionContext): Future[A]
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
-
def
foldBulks[A](z: ⇒ A, maxDocs: Int = -1)(suc: (A, Iterator[T]) ⇒ State[A], err: ErrorHandler[A])(implicit ec: ExecutionContext): Future[A]
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
sucfunction cannot be recovered by this error handler.
- Definition Classes
- FlattenedCursor → Cursor
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def
foldBulksM[A](z: ⇒ A, maxDocs: Int = -1)(suc: (A, Iterator[T]) ⇒ Future[State[A]], err: ErrorHandler[A])(implicit ec: ExecutionContext): Future[A]
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
sucfunction cannot be recovered by this error handler.
- Definition Classes
- FlattenedCursor → Cursor
-
def
foldResponses[A](z: ⇒ A, maxDocs: Int = -1)(suc: (A, Response) ⇒ State[A], err: ErrorHandler[A])(implicit ec: ExecutionContext): Future[A]
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
sucfunction cannot be recovered by this error handler.
- Definition Classes
- FlattenedCursor → Cursor
-
def
foldResponsesM[A](z: ⇒ A, maxDocs: Int = -1)(suc: (A, Response) ⇒ Future[State[A]], err: ErrorHandler[A])(implicit ec: ExecutionContext): Future[A]
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
sucfunction cannot be recovered by this error handler.
- Definition Classes
- FlattenedCursor → Cursor
-
def
foldWhile[A](z: ⇒ A, maxDocs: Int = -1)(suc: (A, T) ⇒ State[A], err: ErrorHandler[A])(implicit ec: ExecutionContext): Future[A]
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
sucfunction cannot be recovered by this error handler.
- Definition Classes
- FlattenedCursor → Cursor
-
def
foldWhileM[A](z: ⇒ A, maxDocs: Int = -1)(suc: (A, T) ⇒ Future[State[A]], err: ErrorHandler[A])(implicit ec: ExecutionContext): Future[A]
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
sucfunction cannot be recovered by this error handler.
- Definition Classes
- FlattenedCursor → Cursor
-
def
formatted(fmtstr: String): String
- Implicit
- 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
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final
def
getClass(): Class[_]
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def
hashCode(): Int
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def
head(implicit ec: ExecutionContext): Future[T]
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
- FlattenedCursor → Cursor
-
def
headOption(implicit ec: ExecutionContext): Future[Option[T]]
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
- FlattenedCursor → Cursor
-
final
def
isInstanceOf[T0]: Boolean
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final
def
ne(arg0: AnyRef): Boolean
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final
def
notify(): Unit
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final
def
notifyAll(): Unit
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final
def
synchronized[T0](arg0: ⇒ T0): T0
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def
toString(): String
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final
def
wait(): Unit
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final
def
wait(arg0: Long, arg1: Int): Unit
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final
def
wait(arg0: Long): Unit
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def
→[B](y: B): (FlattenedCursor[T], B)
- Implicit
- 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