trait ChangeStreamOps[P <: SerializationPack with Singleton] extends AnyRef
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Type Members
- sealed trait WatchBuilder[T] extends AnyRef
A builder for the
watchcollection helper, which allows to consume the collection's ChangeStream.
Value Members
- 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 ChangeStreamOps[P] toany2stringadd[ChangeStreamOps[P]] performed by method any2stringadd in scala.Predef.
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- any2stringadd
- def ->[B](y: B): (ChangeStreamOps[P], B)
- Implicit
- This member is added by an implicit conversion from ChangeStreamOps[P] toArrowAssoc[ChangeStreamOps[P]] performed by method ArrowAssoc in scala.Predef.
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- @throws(classOf[java.lang.CloneNotSupportedException]) @native() @HotSpotIntrinsicCandidate()
- def ensuring(cond: (ChangeStreamOps[P]) => Boolean, msg: => Any): ChangeStreamOps[P]
- Implicit
- This member is added by an implicit conversion from ChangeStreamOps[P] toEnsuring[ChangeStreamOps[P]] performed by method Ensuring in scala.Predef.
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- Ensuring
- def ensuring(cond: (ChangeStreamOps[P]) => Boolean): ChangeStreamOps[P]
- Implicit
- This member is added by an implicit conversion from ChangeStreamOps[P] toEnsuring[ChangeStreamOps[P]] performed by method Ensuring in scala.Predef.
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- Ensuring
- def ensuring(cond: Boolean, msg: => Any): ChangeStreamOps[P]
- Implicit
- This member is added by an implicit conversion from ChangeStreamOps[P] toEnsuring[ChangeStreamOps[P]] performed by method Ensuring in scala.Predef.
- Definition Classes
- Ensuring
- def ensuring(cond: Boolean): ChangeStreamOps[P]
- Implicit
- This member is added by an implicit conversion from ChangeStreamOps[P] toEnsuring[ChangeStreamOps[P]] performed by method Ensuring in scala.Predef.
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- Ensuring
- final def eq(arg0: AnyRef): Boolean
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- def equals(arg0: AnyRef): Boolean
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- def formatted(fmtstr: String): String
- Implicit
- This member is added by an implicit conversion from ChangeStreamOps[P] toStringFormat[ChangeStreamOps[P]] performed by method StringFormat in scala.Predef.
- Definition Classes
- StringFormat
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- @inline()
- final def getClass(): Class[_ <: AnyRef]
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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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- final def watch[T](resumeAfter: Option[P.Value] = None, startAtOperationTime: Option[P.Value] = None, pipeline: List[PipelineOperator] = Nil, maxAwaitTimeMS: Option[Long] = None, fullDocumentStrategy: Option[FullDocumentStrategy] = None)(implicit reader: P.Reader[T]): GenericCollection.WatchBuilder[T]
Prepares a builder for watching the change stream of this collection.
Prepares a builder for watching the change stream of this collection.
Note: The target mongo instance MUST be a replica-set (even in the case of a single node deployement).
import scala.concurrent.{ ExecutionContext, Future } import reactivemongo.api.Cursor import reactivemongo.api.bson.BSONDocument import reactivemongo.api.bson.collection.BSONCollection def events(coll: BSONCollection)( implicit ec: ExecutionContext): Cursor[BSONDocument] = coll.watch[BSONDocument]().cursor
- T
the type into which Change Events are deserialized
- resumeAfter
The id of the last known Change Event, if any. The stream will resume just after that event.
- startAtOperationTime
The operation time before which all Change Events are known. Must be in the time range of the oplog. (since MongoDB 4.0)
- pipeline
The sequence of aggregation stages to apply on events in the stream (see MongoDB documentation for a list of valid stages for a change stream).
- maxAwaitTimeMS
The maximum amount of time in milliseconds the server waits for new data changes before returning an empty batch. In practice, this parameter controls the duration of the long-polling behavior of the cursor.
- fullDocumentStrategy
if set to UpdateLookup, every update change event will be joined with the current version of the relevant document.
- reader
the reader of the resulting change events
- Since
MongoDB 3.6
Deprecated Value Members
- def finalize(): Unit
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- Deprecated
(Since version ) see corresponding Javadoc for more information.
- def →[B](y: B): (ChangeStreamOps[P], B)
- Implicit
- This member is added by an implicit conversion from ChangeStreamOps[P] toArrowAssoc[ChangeStreamOps[P]] performed by method ArrowAssoc in scala.Predef.
- Definition Classes
- ArrowAssoc
- Annotations
- @deprecated
- Deprecated
(Since version 2.13.0) Use
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