public class MapKeyHelpers extends Object
MapJoin.key()
poses a number of implementation difficulties in terms of the type signatures
amongst the Path
, Join
and Attribute
reference at play. The implementations found here
provide that bridge.Modifier and Type | Class and Description |
---|---|
static class |
MapKeyHelpers.MapKeyAttribute<K>
Defines an
Attribute modelling of a map-key. |
static class |
MapKeyHelpers.MapKeyPath<K>
Models a path to a map key.
|
static class |
MapKeyHelpers.MapKeySource<K,V>
Defines a
Path for the map which can then be used to represent the source of the
map key "attribute". |
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