Packages

trait BSONReader[T] extends AnyRef

A reader that produces an instance of T from a subtype of BSONValue.

Self Type
BSONReader[T]
Linear Supertypes
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Inherited
  1. BSONReader
  2. AnyRef
  3. Any
Implicitly
  1. by any2stringadd
  2. by StringFormat
  3. by Ensuring
  4. by ArrowAssoc
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Visibility
  1. Public
  2. All

Abstract Value Members

  1. abstract def readTry(bson: BSONValue): Try[T]

    Tries to produce an instance of T from the bson value.

    Tries to produce an instance of T from the bson value.

    import scala.util.Try
    import reactivemongo.api.bson.{ BSONReader, BSONValue }
    
    def fromBSON[T](bson: BSONValue)(implicit r: BSONReader[T]): Try[T] =
      r.readTry(bson)

Concrete Value Members

  1. final def !=(arg0: Any): Boolean
    Definition Classes
    AnyRef → Any
  2. final def ##(): Int
    Definition Classes
    AnyRef → Any
  3. def +(other: String): String
    Implicit
    This member is added by an implicit conversion from BSONReader[T] to any2stringadd[BSONReader[T]] performed by method any2stringadd in scala.Predef.
    Definition Classes
    any2stringadd
  4. def ->[B](y: B): (BSONReader[T], B)
    Implicit
    This member is added by an implicit conversion from BSONReader[T] to ArrowAssoc[BSONReader[T]] performed by method ArrowAssoc in scala.Predef.
    Definition Classes
    ArrowAssoc
    Annotations
    @inline()
  5. final def ==(arg0: Any): Boolean
    Definition Classes
    AnyRef → Any
  6. def afterRead[U](f: (T) ⇒ U): BSONReader[U]

    Prepares a BSONReader that returns the result of applying f on the result of this reader.

    Prepares a BSONReader that returns the result of applying f on the result of this reader.

    import scala.util.Try
    import reactivemongo.api.bson.{ BSONReader, BSONValue }
    
    // Try to return an integer + 1,
    // from any T that can be read from BSON
    // and is a numeric type
    def fromBSON[T](bson: BSONValue)(
      implicit r: BSONReader[T], n: Numeric[T]): Try[Int] = {
      val r2: BSONReader[Int] = r.afterRead { v => n.toInt(v) + 1 }
     r2.readTry(bson)
    }
    f

    the function to apply

  7. final def asInstanceOf[T0]: T0
    Definition Classes
    Any
  8. def beforeRead(f: PartialFunction[BSONValue, BSONValue]): BSONReader[T]

    Prepares a BSONReader that transforms the input BSON value, using the given f function, before passing the transformed BSON value to the current reader.

    Prepares a BSONReader that transforms the input BSON value, using the given f function, before passing the transformed BSON value to the current reader.

    import reactivemongo.api.bson.{
      BSONReader, BSONInteger, BSONNull, BSONString
    }
    
    val normalizingReader: BSONReader[Int] =
      implicitly[BSONReader[Int]].beforeRead {
        case BSONNull => BSONInteger(-1)
        case BSONString(s) => BSONInteger(s.size)
        // other values are unchanged
      }
    
    normalizingReader.readOpt(BSONNull) // Some(-1)
    normalizingReader.readTry(BSONString("foo")) // Success(3)
    normalizingReader.readOpt(BSONInteger(4)) // unchanged: Some(4)
  9. def clone(): AnyRef
    Attributes
    protected[lang]
    Definition Classes
    AnyRef
    Annotations
    @throws( ... ) @native()
  10. def ensuring(cond: (BSONReader[T]) ⇒ Boolean, msg: ⇒ Any): BSONReader[T]
    Implicit
    This member is added by an implicit conversion from BSONReader[T] to Ensuring[BSONReader[T]] performed by method Ensuring in scala.Predef.
    Definition Classes
    Ensuring
  11. def ensuring(cond: (BSONReader[T]) ⇒ Boolean): BSONReader[T]
    Implicit
    This member is added by an implicit conversion from BSONReader[T] to Ensuring[BSONReader[T]] performed by method Ensuring in scala.Predef.
    Definition Classes
    Ensuring
  12. def ensuring(cond: Boolean, msg: ⇒ Any): BSONReader[T]
    Implicit
    This member is added by an implicit conversion from BSONReader[T] to Ensuring[BSONReader[T]] performed by method Ensuring in scala.Predef.
    Definition Classes
    Ensuring
  13. def ensuring(cond: Boolean): BSONReader[T]
    Implicit
    This member is added by an implicit conversion from BSONReader[T] to Ensuring[BSONReader[T]] performed by method Ensuring in scala.Predef.
    Definition Classes
    Ensuring
  14. final def eq(arg0: AnyRef): Boolean
    Definition Classes
    AnyRef
  15. def equals(arg0: Any): Boolean
    Definition Classes
    AnyRef → Any
  16. def finalize(): Unit
    Attributes
    protected[lang]
    Definition Classes
    AnyRef
    Annotations
    @throws( classOf[java.lang.Throwable] )
  17. def formatted(fmtstr: String): String
    Implicit
    This member is added by an implicit conversion from BSONReader[T] to StringFormat[BSONReader[T]] performed by method StringFormat in scala.Predef.
    Definition Classes
    StringFormat
    Annotations
    @inline()
  18. final def getClass(): Class[_]
    Definition Classes
    AnyRef → Any
    Annotations
    @native()
  19. def hashCode(): Int
    Definition Classes
    AnyRef → Any
    Annotations
    @native()
  20. final def isInstanceOf[T0]: Boolean
    Definition Classes
    Any
  21. final def ne(arg0: AnyRef): Boolean
    Definition Classes
    AnyRef
  22. final def notify(): Unit
    Definition Classes
    AnyRef
    Annotations
    @native()
  23. final def notifyAll(): Unit
    Definition Classes
    AnyRef
    Annotations
    @native()
  24. def readOpt(bson: BSONValue): Option[T]

    Tries to produce an instance of T from the bson value, returns None if an error occurred.

    Tries to produce an instance of T from the bson value, returns None if an error occurred.

    import reactivemongo.api.bson.{ BSONReader, BSONValue }
    
    def fromBSON[T](bson: BSONValue)(implicit r: BSONReader[T]): Option[T] =
      r.readOpt(bson)
  25. def readOrElse(bson: BSONValue, default: ⇒ T): T

    Tries to produce an instance of T from the bson value, returns the default value if an error occurred.

    Tries to produce an instance of T from the bson value, returns the default value if an error occurred.

    import reactivemongo.api.bson.{ BSONReader, BSONValue }
    
    def fromBSON[T](bson: BSONValue, v: T)(implicit r: BSONReader[T]): T =
      r.readOrElse(bson, v)
  26. final def synchronized[T0](arg0: ⇒ T0): T0
    Definition Classes
    AnyRef
  27. def toString(): String
    Definition Classes
    AnyRef → Any
  28. final def wait(): Unit
    Definition Classes
    AnyRef
    Annotations
    @throws( ... )
  29. final def wait(arg0: Long, arg1: Int): Unit
    Definition Classes
    AnyRef
    Annotations
    @throws( ... )
  30. final def wait(arg0: Long): Unit
    Definition Classes
    AnyRef
    Annotations
    @throws( ... ) @native()
  31. def widen[U >: T]: BSONReader[U]

    Widens this reader for a compatible type U.

    Widens this reader for a compatible type U.

    import reactivemongo.api.bson.BSONReader
    
    val listReader: BSONReader[List[String]] =
      implicitly[BSONReader[List[String]]]
    
    val widenAsSeqReader: BSONReader[Seq[String]] =
      listReader.widen[Seq[String]]
      // as Seq[String] >: List[String]
    U

    must be a super-type of T

    Annotations
    @SuppressWarnings()
  32. def [B](y: B): (BSONReader[T], B)
    Implicit
    This member is added by an implicit conversion from BSONReader[T] to ArrowAssoc[BSONReader[T]] performed by method ArrowAssoc in scala.Predef.
    Definition Classes
    ArrowAssoc

Inherited from AnyRef

Inherited from Any

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

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

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

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

Ungrouped