FourTupleMap (Apache Jena ARQ)

java.lang.Object
- org.apache.jena.atlas.lib.persistent.PMap<Node,FourTupleMap.ThreeTupleMap,FourTupleMap>
- - org.apache.jena.sparql.core.mem.FourTupleMap

All Implemented Interfaces:

org.apache.jena.atlas.lib.persistent.PersistentMap<Node,FourTupleMap.ThreeTupleMap,FourTupleMap>
```
public class FourTupleMap
extends org.apache.jena.atlas.lib.persistent.PMap<Node,FourTupleMap.ThreeTupleMap,FourTupleMap>
```
A PMap of Nodes: Node->Node->Node->PersistentSet<Node>

Nested Class Summary

Nested Classes
Modifier and Type	Class	Description
`static class`	`FourTupleMap.ThreeTupleMap`	A `PMap` of `Node`s: `Node->Node->PersistentSet<Node>`
`static class`	`FourTupleMap.TwoTupleMap`	A `PMap` of `Node`s: `Node->PersistentSet<Node>`

Constructor Summary

Constructors
Constructor Description

FourTupleMap()
Default constructor.

Method Summary
- Methods inherited from class org.apache.jena.atlas.lib.persistent.PMap
  asMap, containsKey, entryStream, get, minus, plus
- Methods inherited from class java.lang.Object
  equals, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait
- Methods inherited from interface org.apache.jena.atlas.lib.persistent.PersistentMap
  flatten

- Constructor Detail
  - FourTupleMap
```
public FourTupleMap()
```
    Default constructor.