Indexer (Timefold Solver constraints: Constraint streams (Bavet) 0.8.42 API)

Type Parameters:

T - The element type. Often a tuple. For example for from(A).join(B), the tuple is UniTuple<A> xor UniTuple<B>. For example for Bi<A, B>.join(C), the tuple is BiTuple<A, B> xor UniTuple<C>.
```
public interface Indexer<T>
```
An indexer for entity or fact X, maps a property or a combination of properties of X, denoted by indexProperties, to all instances of X that match those properties, depending on the the indexer type (equal, lower than, ...). For example for {Lesson(id=1, room=A), Lesson(id=2, room=B), Lesson(id=3, room=A)}, calling visit(room=A) would visit lesson 1 and 3.
The fact X is wrapped in a Tuple, because the TupleState is needed by clients of forEach(IndexProperties, Consumer).

Method Summary

All Methods Instance Methods Abstract Methods
Modifier and Type	Method	Description
`void`	`forEach(IndexProperties indexProperties, Consumer<T> tupleConsumer)`
`boolean`	`isEmpty()`
`ElementAwareListEntry<T>`	`put(IndexProperties indexProperties, T tuple)`
`void`	`remove(IndexProperties indexProperties, ElementAwareListEntry<T> entry)`
`int`	`size(IndexProperties indexProperties)`

Method Detail

put

ElementAwareListEntry<T> put(IndexProperties indexProperties,
                             T tuple)

remove

void remove(IndexProperties indexProperties,
            ElementAwareListEntry<T> entry)

size

int size(IndexProperties indexProperties)

forEach

void forEach(IndexProperties indexProperties,
             Consumer<T> tupleConsumer)

isEmpty
```
boolean isEmpty()
```