## Uses of Interface
org.optaplanner.core.api.score.stream.uni.UniConstraintStream

- Packages that use UniConstraintStream
  Package | Description
  --- | ---
  org.optaplanner.core.api.score.stream | The `ConstraintStream` API: a way to define constraints for `Score` calculation.
  org.optaplanner.core.api.score.stream.bi | The `ConstraintStream` API for bi-tuples.
  org.optaplanner.core.api.score.stream.quad | The `ConstraintStream` API for four matched facts.
  org.optaplanner.core.api.score.stream.tri | The `ConstraintStream` API for tri-tuples.
  org.optaplanner.core.api.score.stream.uni | The `ConstraintStream` API for uni-tuples.
  org.optaplanner.core.impl.score.stream |
  org.optaplanner.core.impl.score.stream.bavet.bi |
  org.optaplanner.core.impl.score.stream.bavet.tri |
  org.optaplanner.core.impl.score.stream.bavet.uni |
  org.optaplanner.core.impl.score.stream.drools |
  org.optaplanner.core.impl.score.stream.drools.bi |
  org.optaplanner.core.impl.score.stream.drools.quad |
  org.optaplanner.core.impl.score.stream.drools.tri |
  org.optaplanner.core.impl.score.stream.drools.uni |
  org.optaplanner.core.impl.score.stream.uni |

- - ### Uses of UniConstraintStream in org.optaplanner.core.api.score.stream

    Methods in org.optaplanner.core.api.score.stream that return UniConstraintStream
    Modifier and Type | Method and Description
    --- | ---
    `<A> UniConstraintStream<A>` | ConstraintFactory.`from(Class<A> fromClass)` Start a `ConstraintStream` of all instances of the fromClass that are known as `problem facts` or `planning entities`.
    `<A> UniConstraintStream<A>` | ConstraintFactory.`fromUnfiltered(Class<A> fromClass)` Like `ConstraintFactory.from(Class)`, but without any filtering of uninitialized `planning entities`.

  - ### Uses of UniConstraintStream in org.optaplanner.core.api.score.stream.bi

    Methods in org.optaplanner.core.api.score.stream.bi that return UniConstraintStream
    Modifier and Type | Method and Description
    --- | ---
    `<ResultContainer_,Result_> UniConstraintStream<Result_>` | BiConstraintStream.`groupBy(BiConstraintCollector<A,B,ResultContainer_,Result_> collector)` Runs all tuples of the stream through a given @`BiConstraintCollector` and converts them into a new `UniConstraintStream` which only has a single tuple, the result of applying `BiConstraintCollector`.
    `<GroupKey_> UniConstraintStream<GroupKey_>` | BiConstraintStream.`groupBy(BiFunction<A,B,GroupKey_> groupKeyMapping)` Convert the `BiConstraintStream` to a `UniConstraintStream`, containing the set of tuples resulting from applying the group key mapping function on all tuples of the original stream.

    Methods in org.optaplanner.core.api.score.stream.bi with parameters of type UniConstraintStream
    Modifier and Type | Method and Description
    --- | ---
    `default <C> TriConstraintStream<A,B,C>` | BiConstraintStream.`join(UniConstraintStream<C> otherStream)` Create a new `TriConstraintStream` for every combination of [A, B] and C.
    `<C> TriConstraintStream<A,B,C>` | BiConstraintStream.`join(UniConstraintStream<C> otherStream, TriJoiner<A,B,C> joiner)` Create a new `TriConstraintStream` for every combination of [A, B] and C for which the `TriJoiner` is true (for the properties it extracts from both facts).

  - ### Uses of UniConstraintStream in org.optaplanner.core.api.score.stream.quad

    Methods in org.optaplanner.core.api.score.stream.quad that return UniConstraintStream
    Modifier and Type | Method and Description
    --- | ---
    `<ResultContainer_,Result_> UniConstraintStream<Result_>` | QuadConstraintStream.`groupBy(QuadConstraintCollector<A,B,C,D,ResultContainer_,Result_> collector)` Convert the `QuadConstraintStream` to a `UniConstraintStream`, containing only a single tuple, the result of applying `QuadConstraintCollector`.
    `<GroupKey_> UniConstraintStream<GroupKey_>` | QuadConstraintStream.`groupBy(QuadFunction<A,B,C,D,GroupKey_> groupKeyMapping)` Convert the `QuadConstraintStream` to a `UniConstraintStream`, containing the set of tuples resulting from applying the group key mapping function on all tuples of the original stream.

  - ### Uses of UniConstraintStream in org.optaplanner.core.api.score.stream.tri

    Methods in org.optaplanner.core.api.score.stream.tri that return UniConstraintStream
    Modifier and Type | Method and Description
    --- | ---
    `<ResultContainer_,Result_> UniConstraintStream<Result_>` | TriConstraintStream.`groupBy(TriConstraintCollector<A,B,C,ResultContainer_,Result_> collector)` Convert the `TriConstraintStream` to a `UniConstraintStream`, containing only a single tuple, the result of applying `TriConstraintCollector`.
    `<GroupKey_> UniConstraintStream<GroupKey_>` | TriConstraintStream.`groupBy(TriFunction<A,B,C,GroupKey_> groupKeyMapping)` Convert the `TriConstraintStream` to a `UniConstraintStream`, containing the set of tuples resulting from applying the group key mapping function on all tuples of the original stream.

    Methods in org.optaplanner.core.api.score.stream.tri with parameters of type UniConstraintStream
    Modifier and Type | Method and Description
    --- | ---
    `default <D> QuadConstraintStream<A,B,C,D>` | TriConstraintStream.`join(UniConstraintStream<D> otherStream)` Create a new `QuadConstraintStream` for every combination of [A, B, C] and D.
    `<D> QuadConstraintStream<A,B,C,D>` | TriConstraintStream.`join(UniConstraintStream<D> otherStream, QuadJoiner<A,B,C,D> joiner)` Create a new `QuadConstraintStream` for every combination of [A, B] and C for which the `QuadJoiner` is true (for the properties it extracts from all facts).

  - ### Uses of UniConstraintStream in org.optaplanner.core.api.score.stream.uni

    Methods in org.optaplanner.core.api.score.stream.uni that return UniConstraintStream
    Modifier and Type | Method and Description
    --- | ---
    `UniConstraintStream<A>` | UniConstraintStream.`filter(Predicate<A> predicate)` Exhaustively test each fact against the `Predicate` and match if `Predicate.test(Object)` returns true.
    `<GroupKey_> UniConstraintStream<GroupKey_>` | UniConstraintStream.`groupBy(Function<A,GroupKey_> groupKeyMapping)` Convert the `UniConstraintStream` to a different `UniConstraintStream`, containing the set of tuples resulting from applying the group key mapping function on all tuples of the original stream.
    `<ResultContainer_,Result_> UniConstraintStream<Result_>` | UniConstraintStream.`groupBy(UniConstraintCollector<A,ResultContainer_,Result_> collector)` Convert the `UniConstraintStream` to a different `UniConstraintStream`, containing only a single tuple, the result of applying `UniConstraintCollector`.
    `<B> UniConstraintStream<A>` | UniConstraintStream.`ifExists(Class<B> otherClass, BiJoiner<A,B>... joiners)` As defined by `ifExists(Class, BiJoiner)`.
    `default <B> UniConstraintStream<A>` | UniConstraintStream.`ifExists(Class<B> otherClass, BiJoiner<A,B> joiner)` Create a new `UniConstraintStream` for every A where B exists for which the `BiJoiner` is true (for the properties it extracts from both facts).
    `default <B> UniConstraintStream<A>` | UniConstraintStream.`ifExists(Class<B> otherClass, BiJoiner<A,B> joiner1, BiJoiner<A,B> joiner2)` As defined by `ifExists(Class, BiJoiner)`.
    `default <B> UniConstraintStream<A>` | UniConstraintStream.`ifExists(Class<B> otherClass, BiJoiner<A,B> joiner1, BiJoiner<A,B> joiner2, BiJoiner<A,B> joiner3)` As defined by `ifExists(Class, BiJoiner)`.
    `default <B> UniConstraintStream<A>` | UniConstraintStream.`ifExists(Class<B> otherClass, BiJoiner<A,B> joiner1, BiJoiner<A,B> joiner2, BiJoiner<A,B> joiner3, BiJoiner<A,B> joiner4)` As defined by `ifExists(Class, BiJoiner)`.
    `default UniConstraintStream<A>` | UniConstraintStream.`ifExistsOther(Class<A> otherClass)` Create a new `UniConstraintStream` for every A, if another A exists that does not `#equals(Object)` the first.
    `default UniConstraintStream<A>` | UniConstraintStream.`ifExistsOther(Class<A> otherClass, BiJoiner<A,A>... joiners)` As defined by `ifExistsOther(Class, BiJoiner)`.
    `default UniConstraintStream<A>` | UniConstraintStream.`ifExistsOther(Class<A> otherClass, BiJoiner<A,A> joiner)` Create a new `UniConstraintStream` for every A, if another A exists that does not `#equals(Object)` the first, and for which the `BiJoiner` is true (for the properties it extracts from both facts).
    `default UniConstraintStream<A>` | UniConstraintStream.`ifExistsOther(Class<A> otherClass, BiJoiner<A,A> joiner1, BiJoiner<A,A> joiner2)` As defined by `ifExistsOther(Class, BiJoiner)`.
    `default UniConstraintStream<A>` | UniConstraintStream.`ifExistsOther(Class<A> otherClass, BiJoiner<A,A> joiner1, BiJoiner<A,A> joiner2, BiJoiner<A,A> joiner3)` As defined by `ifExistsOther(Class, BiJoiner)`.
    `default UniConstraintStream<A>` | UniConstraintStream.`ifExistsOther(Class<A> otherClass, BiJoiner<A,A> joiner1, BiJoiner<A,A> joiner2, BiJoiner<A,A> joiner3, BiJoiner<A,A> joiner4)` As defined by `ifExistsOther(Class, BiJoiner)`.
    `<B> UniConstraintStream<A>` | UniConstraintStream.`ifNotExists(Class<B> otherClass, BiJoiner<A,B>... joiners)` As defined by `ifNotExists(Class, BiJoiner)`.
    `default <B> UniConstraintStream<A>` | UniConstraintStream.`ifNotExists(Class<B> otherClass, BiJoiner<A,B> joiner)` Create a new `UniConstraintStream` for every A where B does not exist for which the `BiJoiner` is true (for the properties it extracts from both facts).
    `default <B> UniConstraintStream<A>` | UniConstraintStream.`ifNotExists(Class<B> otherClass, BiJoiner<A,B> joiner1, BiJoiner<A,B> joiner2)` As defined by `ifNotExists(Class, BiJoiner)`.
    `default <B> UniConstraintStream<A>` | UniConstraintStream.`ifNotExists(Class<B> otherClass, BiJoiner<A,B> joiner1, BiJoiner<A,B> joiner2, BiJoiner<A,B> joiner3)` As defined by `ifNotExists(Class, BiJoiner)`.
    `default <B> UniConstraintStream<A>` | UniConstraintStream.`ifNotExists(Class<B> otherClass, BiJoiner<A,B> joiner1, BiJoiner<A,B> joiner2, BiJoiner<A,B> joiner3, BiJoiner<A,B> joiner4)` As defined by `ifNotExists(Class, BiJoiner)`.
    `default UniConstraintStream<A>` | UniConstraintStream.`ifNotExistsOther(Class<A> otherClass)` Create a new `UniConstraintStream` for every A, if no other A exists that does not `#equals(Object)` the first.
    `default UniConstraintStream<A>` | UniConstraintStream.`ifNotExistsOther(Class<A> otherClass, BiJoiner<A,A>... joiners)` As defined by `ifNotExistsOther(Class, BiJoiner)`.
    `default UniConstraintStream<A>` | UniConstraintStream.`ifNotExistsOther(Class<A> otherClass, BiJoiner<A,A> joiner)` Create a new `UniConstraintStream` for every A, if no other A exists that does not `#equals(Object)` the first, and for which the `BiJoiner` is true (for the properties it extracts from both facts).
    `default UniConstraintStream<A>` | UniConstraintStream.`ifNotExistsOther(Class<A> otherClass, BiJoiner<A,A> joiner1, BiJoiner<A,A> joiner2)` As defined by `ifNotExistsOther(Class, BiJoiner)`.
    `default UniConstraintStream<A>` | UniConstraintStream.`ifNotExistsOther(Class<A> otherClass, BiJoiner<A,A> joiner1, BiJoiner<A,A> joiner2, BiJoiner<A,A> joiner3)` As defined by `ifNotExistsOther(Class, BiJoiner)`.
    `default UniConstraintStream<A>` | UniConstraintStream.`ifNotExistsOther(Class<A> otherClass, BiJoiner<A,A> joiner1, BiJoiner<A,A> joiner2, BiJoiner<A,A> joiner3, BiJoiner<A,A> joiner4)` As defined by `ifNotExistsOther(Class, BiJoiner)`.

    Methods in org.optaplanner.core.api.score.stream.uni with parameters of type UniConstraintStream
    Modifier and Type | Method and Description
    --- | ---
    `default <B> BiConstraintStream<A,B>` | UniConstraintStream.`join(UniConstraintStream<B> otherStream)` Create a new `BiConstraintStream` for every combination of A and B.
    `<B> BiConstraintStream<A,B>` | UniConstraintStream.`join(UniConstraintStream<B> otherStream, BiJoiner<A,B> joiner)` Create a new `BiConstraintStream` for every combination of A and B for which the `BiJoiner` is true (for the properties it extracts from both facts).

  - ### Uses of UniConstraintStream in org.optaplanner.core.impl.score.stream

    Methods in org.optaplanner.core.impl.score.stream that return UniConstraintStream
    Modifier and Type | Method and Description
    --- | ---
    `default <A> UniConstraintStream<A>` | InnerConstraintFactory.`from(Class<A> fromClass)`

  - ### Uses of UniConstraintStream in org.optaplanner.core.impl.score.stream.bavet.bi

    Methods in org.optaplanner.core.impl.score.stream.bavet.bi that return UniConstraintStream
    Modifier and Type | Method and Description
    --- | ---
    `<ResultContainer_,Result_> UniConstraintStream<Result_>` | BavetAbstractBiConstraintStream.`groupBy(BiConstraintCollector<A,B,ResultContainer_,Result_> collector)`
    `<GroupKey_> UniConstraintStream<GroupKey_>` | BavetAbstractBiConstraintStream.`groupBy(BiFunction<A,B,GroupKey_> groupKeyMapping)`

    Methods in org.optaplanner.core.impl.score.stream.bavet.bi with parameters of type UniConstraintStream
    Modifier and Type | Method and Description
    --- | ---
    `<C> TriConstraintStream<A,B,C>` | BavetAbstractBiConstraintStream.`join(UniConstraintStream<C> otherStream, TriJoiner<A,B,C> joiner)`

  - ### Uses of UniConstraintStream in org.optaplanner.core.impl.score.stream.bavet.tri

    Methods in org.optaplanner.core.impl.score.stream.bavet.tri that return UniConstraintStream
    Modifier and Type | Method and Description
    --- | ---
    `<ResultContainer_,Result_> UniConstraintStream<Result_>` | BavetAbstractTriConstraintStream.`groupBy(TriConstraintCollector<A,B,C,ResultContainer_,Result_> collector)`
    `<GroupKey_> UniConstraintStream<GroupKey_>` | BavetAbstractTriConstraintStream.`groupBy(TriFunction<A,B,C,GroupKey_> groupKeyMapping)`

    Methods in org.optaplanner.core.impl.score.stream.bavet.tri with parameters of type UniConstraintStream
    Modifier and Type | Method and Description
    --- | ---
    `<D> QuadConstraintStream<A,B,C,D>` | BavetAbstractTriConstraintStream.`join(UniConstraintStream<D> otherStream, QuadJoiner<A,B,C,D> joiner)`

  - ### Uses of UniConstraintStream in org.optaplanner.core.impl.score.stream.bavet.uni

    Classes in org.optaplanner.core.impl.score.stream.bavet.uni that implement UniConstraintStream
    Modifier and Type | Class and Description
    --- | ---
    `class` | `BavetAbstractUniConstraintStream<Solution_,A>`
    `class` | `BavetFilterUniConstraintStream<Solution_,A>`
    `class` | `BavetFromUniConstraintStream<Solution_,A>`
    `class` | `BavetGroupBridgeUniConstraintStream<Solution_,A,NewA,ResultContainer_,NewB>`
    `class` | `BavetJoinBridgeUniConstraintStream<Solution_,A>`
    `class` | `BavetScoringUniConstraintStream<Solution_,A>`

    Methods in org.optaplanner.core.impl.score.stream.bavet.uni that return UniConstraintStream
    Modifier and Type | Method and Description
    --- | ---
    `<GroupKey_> UniConstraintStream<GroupKey_>` | BavetAbstractUniConstraintStream.`groupBy(Function<A,GroupKey_> groupKeyMapping)`
    `<ResultContainer_,Result_> UniConstraintStream<Result_>` | BavetAbstractUniConstraintStream.`groupBy(UniConstraintCollector<A,ResultContainer_,Result_> collector)`
    `<B> UniConstraintStream<A>` | BavetAbstractUniConstraintStream.`ifExists(Class<B> otherClass, BiJoiner<A,B>... joiners)`
    `<B> UniConstraintStream<A>` | BavetAbstractUniConstraintStream.`ifNotExists(Class<B> otherClass, BiJoiner<A,B>... joiners)`

    Methods in org.optaplanner.core.impl.score.stream.bavet.uni with parameters of type UniConstraintStream
    Modifier and Type | Method and Description
    --- | ---
    `<B> BiConstraintStream<A,B>` | BavetAbstractUniConstraintStream.`join(UniConstraintStream<B> otherStream, BiJoiner<A,B> joiner)`

  - ### Uses of UniConstraintStream in org.optaplanner.core.impl.score.stream.drools

    Methods in org.optaplanner.core.impl.score.stream.drools that return UniConstraintStream
    Modifier and Type | Method and Description
    --- | ---
    `<A> UniConstraintStream<A>` | DroolsConstraintFactory.`fromUnfiltered(Class<A> fromClass)`

  - ### Uses of UniConstraintStream in org.optaplanner.core.impl.score.stream.drools.bi

    Methods in org.optaplanner.core.impl.score.stream.drools.bi that return UniConstraintStream
    Modifier and Type | Method and Description
    --- | ---
    `<ResultContainer_,Result_> UniConstraintStream<Result_>` | DroolsAbstractBiConstraintStream.`groupBy(BiConstraintCollector<A,B,ResultContainer_,Result_> collector)`
    `<GroupKey_> UniConstraintStream<GroupKey_>` | DroolsAbstractBiConstraintStream.`groupBy(BiFunction<A,B,GroupKey_> groupKeyMapping)`

    Methods in org.optaplanner.core.impl.score.stream.drools.bi with parameters of type UniConstraintStream
    Modifier and Type | Method and Description
    --- | ---
    `<C> TriConstraintStream<A,B,C>` | DroolsAbstractBiConstraintStream.`join(UniConstraintStream<C> otherStream, TriJoiner<A,B,C> joiner)`

  - ### Uses of UniConstraintStream in org.optaplanner.core.impl.score.stream.drools.quad

    Methods in org.optaplanner.core.impl.score.stream.drools.quad that return UniConstraintStream
    Modifier and Type | Method and Description
    --- | ---
    `<ResultContainer_,Result_> UniConstraintStream<Result_>` | DroolsAbstractQuadConstraintStream.`groupBy(QuadConstraintCollector<A,B,C,D,ResultContainer_,Result_> collector)`
    `<GroupKey_> UniConstraintStream<GroupKey_>` | DroolsAbstractQuadConstraintStream.`groupBy(QuadFunction<A,B,C,D,GroupKey_> groupKeyMapping)`

  - ### Uses of UniConstraintStream in org.optaplanner.core.impl.score.stream.drools.tri

    Methods in org.optaplanner.core.impl.score.stream.drools.tri that return UniConstraintStream
    Modifier and Type | Method and Description
    --- | ---
    `<ResultContainer_,Result_> UniConstraintStream<Result_>` | DroolsAbstractTriConstraintStream.`groupBy(TriConstraintCollector<A,B,C,ResultContainer_,Result_> collector)`
    `<GroupKey_> UniConstraintStream<GroupKey_>` | DroolsAbstractTriConstraintStream.`groupBy(TriFunction<A,B,C,GroupKey_> groupKeyMapping)`

    Methods in org.optaplanner.core.impl.score.stream.drools.tri with parameters of type UniConstraintStream
    Modifier and Type | Method and Description
    --- | ---
    `<D> QuadConstraintStream<A,B,C,D>` | DroolsAbstractTriConstraintStream.`join(UniConstraintStream<D> otherStream, QuadJoiner<A,B,C,D> joiner)`

  - ### Uses of UniConstraintStream in org.optaplanner.core.impl.score.stream.drools.uni

    Classes in org.optaplanner.core.impl.score.stream.drools.uni that implement UniConstraintStream
    Modifier and Type | Class and Description
    --- | ---
    `class` | `DroolsAbstractUniConstraintStream<Solution_,A>`
    `class` | `DroolsExistsUniConstraintStream<Solution_,A>`
    `class` | `DroolsFilterUniConstraintStream<Solution_,A>`
    `class` | `DroolsFromUniConstraintStream<Solution_,A>`
    `class` | `DroolsGroupingUniConstraintStream<Solution_,NewA>`
    `class` | `DroolsScoringUniConstraintStream<Solution_,A>`

    Methods in org.optaplanner.core.impl.score.stream.drools.uni that return UniConstraintStream
    Modifier and Type | Method and Description
    --- | ---
    `UniConstraintStream<A>` | DroolsAbstractUniConstraintStream.`filter(Predicate<A> predicate)`
    `<GroupKey_> UniConstraintStream<GroupKey_>` | DroolsAbstractUniConstraintStream.`groupBy(Function<A,GroupKey_> groupKeyMapping)`
    `<ResultContainer_,Result_> UniConstraintStream<Result_>` | DroolsAbstractUniConstraintStream.`groupBy(UniConstraintCollector<A,ResultContainer_,Result_> collector)`
    `<B> UniConstraintStream<A>` | DroolsAbstractUniConstraintStream.`ifExists(Class<B> otherClass, BiJoiner<A,B>... joiners)`
    `<B> UniConstraintStream<A>` | DroolsAbstractUniConstraintStream.`ifNotExists(Class<B> otherClass, BiJoiner<A,B>... joiners)`

    Methods in org.optaplanner.core.impl.score.stream.drools.uni with parameters of type UniConstraintStream
    Modifier and Type | Method and Description
    --- | ---
    `<B> BiConstraintStream<A,B>` | DroolsAbstractUniConstraintStream.`join(UniConstraintStream<B> otherStream, BiJoiner<A,B> joiner)`

  - ### Uses of UniConstraintStream in org.optaplanner.core.impl.score.stream.uni

    Subinterfaces of UniConstraintStream in org.optaplanner.core.impl.score.stream.uni
    Modifier and Type | Interface and Description
    --- | ---
    `interface` | `InnerUniConstraintStream<A>`

    Constructors in org.optaplanner.core.impl.score.stream.uni with parameters of type UniConstraintStream
    Constructor and Description
    `UniConstraintStreamHelper(UniConstraintStream<A> stream)`

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