Package org.optaplanner.constraint.streams.bavet.common.index

Interface IndexProperties

public interface IndexProperties

No instance of implementing classes is expected to equal any instance other than itself. Index properties are cached in tuples and each tuple carries its unique instance.

Method Summary

Modifier and Type	Method	Description
<Type_> Type_	getIndexerKey(int fromInclusive, int toExclusive)
<Type_> Type_	getProperty(int index)	Retrieves index property at a given position.

Method Detail

getProperty

<Type_> Type_ getProperty(int index)

Retrieves index property at a given position.

Type Parameters:

Type_ - ComparisonIndexer will expect this to implement Comparable.

Parameters:

index -

Returns:

never null

getIndexerKey

<Type_> Type_ getIndexerKey(int fromInclusive,
                            int toExclusive)

Type Parameters:

Type_ - any type understanding that two keys may point to different tuples unless their instances are equal

Parameters:

fromInclusive - position of the first index property to be part of the key, inclusive

toExclusive - position of the last index property to be part of the key, exclusive

Returns:

never null;