PrepareContractionHierarchies (GraphHopper Core 7.0-testgithub4 API)

Nested Classes
Modifier and Type	Class and Description
`static class`	`PrepareContractionHierarchies.Result`

All Methods Static Methods Instance Methods Concrete Methods
Modifier and Type	Method and Description
`PrepareContractionHierarchies.Result`	`doWork()`
`static PrepareContractionHierarchies`	`fromGraph(BaseGraph graph, CHConfig chConfig)`
`CHConfig`	`getCHConfig()`
`long`	`getTotalPrepareTime()`
`boolean`	`isPrepared()`
`PrepareContractionHierarchies`	`setParams(PMap pMap)`
`String`	`toString()`
`PrepareContractionHierarchies`	`useFixedNodeOrdering(NodeOrderingProvider nodeOrderingProvider)` Instead of heuristically determining a node ordering for the graph contraction it is also possible to use a fixed ordering.

public static PrepareContractionHierarchies fromGraph(BaseGraph graph,
                                                      CHConfig chConfig)

public PrepareContractionHierarchies setParams(PMap pMap)

useFixedNodeOrdering
```
public PrepareContractionHierarchies useFixedNodeOrdering(NodeOrderingProvider nodeOrderingProvider)
```
Instead of heuristically determining a node ordering for the graph contraction it is also possible to use a fixed ordering. For example this allows re-using a previously calculated node ordering. This will speed up CH preparation, but might lead to slower queries.

public PrepareContractionHierarchies.Result doWork()

Class PrepareContractionHierarchies