Package nl.tue.astar.impl

Interface AbstractAStarThread.StorageHandler<H extends Head,T extends Tail>

Type Parameters:

H -

T -

All Known Implementing Classes:

JavaCollectionStorageHandler, MemoryEfficientStorageHandler

Enclosing class:

AbstractAStarThread<H extends Head,T extends Tail>

public static interface AbstractAStarThread.StorageHandler<H extends Head,T extends Tail>

The storageHandler handles the storing and retrieving of elements from the statespace searched by the AStar algorithm

Author:

bfvdonge

Method Summary

Modifier and Type	Method	Description
int	getEstimate(H head, long index)	return the estimate of the tail for the given head.
long	getIndexOf(H head)
State<H,T>	getStoredState(Record rec)
<TT extends FastLowerBoundTail> void	reComputeFastLowerboundTail(Record rec, TT tail, H head, int storedEstimate)	implementations may assume that TT == T
void	storeStateForRecord(State<H,T> state, Record newRec)

Method Detail

getEstimate

int getEstimate(H head,
                long index)
         throws AStarException

return the estimate of the tail for the given head. The head is stored at the given index.

Parameters:

head -

index -

Returns:

Throws:

AStarException

storeStateForRecord

void storeStateForRecord(State<H,T> state,
                         Record newRec)
                  throws AStarException

Throws:

AStarException

getIndexOf

long getIndexOf(H head)
         throws AStarException

Throws:

AStarException

getStoredState

State<H,T> getStoredState(Record rec)
                         throws AStarException

Throws:

AStarException

reComputeFastLowerboundTail

<TT extends FastLowerBoundTail> void reComputeFastLowerboundTail(Record rec,
                                                                 TT tail,
                                                                 H head,
                                                                 int storedEstimate)
                                                          throws AStarException

implementations may assume that TT == T

Type Parameters:

TT -

Parameters:

rec -

tail -

head -

storedEstimate -

Throws:

AStarException