Package ai.libs.jaicore.search.algorithms.standard.bestfirst

Class BestFirstEpsilon<T,A,W extends java.lang.Comparable<W>>

java.lang.Object

ai.libs.jaicore.basic.algorithm.AAlgorithm<I,O>

ai.libs.jaicore.basic.algorithm.ASolutionCandidateIterator<I,O>

ai.libs.jaicore.basic.algorithm.AOptimizer<I,EvaluatedSearchGraphPath<N,A,V>,V>

ai.libs.jaicore.search.core.interfaces.AOptimalPathInORGraphSearch<I,N,A,V>

ai.libs.jaicore.search.algorithms.standard.bestfirst.BestFirst<GraphSearchWithSubpathEvaluationsInput<N,A,V>,N,A,V>

ai.libs.jaicore.search.algorithms.standard.bestfirst.StandardBestFirst<T,A,java.lang.Double>

ai.libs.jaicore.search.algorithms.standard.bestfirst.BestFirstEpsilon<T,A,W>

All Implemented Interfaces:

java.lang.Iterable<org.api4.java.algorithm.events.IAlgorithmEvent>, java.util.concurrent.Callable<EvaluatedSearchGraphPath<T,A,java.lang.Double>>, java.util.Iterator<org.api4.java.algorithm.events.IAlgorithmEvent>, org.api4.java.ai.graphsearch.problem.IOptimalPathInORGraphSearch<GraphSearchWithSubpathEvaluationsInput<T,A,java.lang.Double>,EvaluatedSearchGraphPath<T,A,java.lang.Double>,T,A,java.lang.Double>, org.api4.java.ai.graphsearch.problem.IPathInORGraphSearch<GraphSearchWithSubpathEvaluationsInput<T,A,java.lang.Double>,EvaluatedSearchGraphPath<T,A,java.lang.Double>,T,A>, org.api4.java.ai.graphsearch.problem.IPathSearch<GraphSearchWithSubpathEvaluationsInput<T,A,java.lang.Double>,EvaluatedSearchGraphPath<T,A,java.lang.Double>,T,A>, org.api4.java.algorithm.IAlgorithm<GraphSearchWithSubpathEvaluationsInput<T,A,java.lang.Double>,EvaluatedSearchGraphPath<T,A,java.lang.Double>>, org.api4.java.algorithm.IOptimizationAlgorithm<GraphSearchWithSubpathEvaluationsInput<T,A,java.lang.Double>,EvaluatedSearchGraphPath<T,A,java.lang.Double>,java.lang.Double>, org.api4.java.algorithm.ISolutionCandidateIterator<GraphSearchWithSubpathEvaluationsInput<T,A,java.lang.Double>,EvaluatedSearchGraphPath<T,A,java.lang.Double>>, org.api4.java.common.control.ICancelable, org.api4.java.common.control.ILoggingCustomizable, org.api4.java.common.event.IEventEmitter<java.lang.Object>, org.api4.java.common.event.IRelaxedEventEmitter

public class BestFirstEpsilon<T,A,W extends java.lang.Comparable<W>>
extends StandardBestFirst<T,A,java.lang.Double>

A* algorithm implementation using the method design pattern.

Nested Class Summary

Nested classes/interfaces inherited from class ai.libs.jaicore.search.algorithms.standard.bestfirst.BestFirst

BestFirst.ParentDiscarding

Field Summary

Fields inherited from class ai.libs.jaicore.search.algorithms.standard.bestfirst.BestFirst

activeJobs, additionalThreadsForNodeAttachment, ext2int, graphGenerator, nodeEvaluator, open, pathGoalTester, pendingSolutionFoundEvents, rootGenerator, solutions, successorGenerator

Constructor Summary

Constructors

Constructor	Description
BestFirstEpsilon(GraphSearchWithSubpathEvaluationsInput<T,A,java.lang.Double> problem, org.api4.java.ai.graphsearch.problem.pathsearch.pathevaluation.IPathEvaluator<T,A,W> pSecondaryNodeEvaluator, double epsilon, boolean absolute)
BestFirstEpsilon(GraphSearchWithSubpathEvaluationsInput<T,A,java.lang.Double> problem, org.api4.java.ai.graphsearch.problem.pathsearch.pathevaluation.IPathEvaluator<T,A,W> pSecondaryNodeEvaluator, int epsilon)

Method Summary

Modifier and Type	Method	Description
double	getEpsilon()
java.lang.String	getLoggerName()
boolean	isAbsolute()
void	setLoggerName(java.lang.String name)

Methods inherited from class ai.libs.jaicore.search.algorithms.standard.bestfirst.BestFirst

afterExpansion, afterInitialization, afterSelection, beforeExpansion, beforeSelection, bootstrap, expandNextNode, getAdditionalThreadsForExpansion, getConfig, getCreatedCounter, getCurrentPathToNode, getExpandedCounter, getFValue, getFValue, getInternalRepresentationOf, getLocalVersionOfNode, getNodeAnnotation, getNodeAnnotations, getNodeEvaluator, getOpen, getSolutionQueue, getTimeoutForComputationOfF, initGraph, insertNodeIntoLocalGraph, isShutdownComplete, labelNode, newNode, newNode, nextNodeExpansion, nextSolutionThatDominatesOpen, nextWithException, onFValueReceivedEvent, receiveNodeAnnotationEvent, receiveRolloutEvent, receiveSolutionCandidateAnnotationEvent, receiveSolutionCandidateEvent, registerSolution, selectNodeForNextExpansion, selectNodeForNextExpansion, setOpen, setTimeoutForComputationOfF, shutdown, toDetailedString, toString

Methods inherited from class ai.libs.jaicore.search.core.interfaces.AOptimalPathInORGraphSearch

getGoalTester, getGraphGenerator, nextSolutionCandidateEvent

Methods inherited from class ai.libs.jaicore.basic.algorithm.AOptimizer

call, getBestScoreKnownToExist, getBestSeenSolution, nextSolutionCandidate, setBestSeenSolution, tellAboutBestScoreKnownToExist, updateBestSeenSolution

Methods inherited from class ai.libs.jaicore.basic.algorithm.ASolutionCandidateIterator

collectAllSolutions

Methods inherited from class ai.libs.jaicore.basic.algorithm.AAlgorithm

activate, announceTimeoutDetected, avoidReinterruptionOnShutdownOnCurrentThread, cancel, checkAndConductTermination, checkTermination, computeTimeoutAware, getActivationTime, getDeadline, getId, getInput, getListeners, getNumCPUs, getRemainingTimeToDeadline, getState, getTimeout, getTimeoutPrecautionOffset, hasNext, hasThreadBeenInterruptedDuringShutdown, interruptThreadAsPartOfShutdown, isCanceled, isShutdownInitialized, isStopCriterionSatisfied, isTimeoutDefined, isTimeouted, iterator, next, post, registerActiveThread, registerListener, resolveShutdownInterruptOnCurrentThread, setConfig, setDeadline, setMaxNumThreads, setNumCPUs, setState, setTimeout, setTimeout, setTimeoutPrecautionOffset, terminate, unregisterActiveThread, unregisterThreadAndShutdown

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait

Methods inherited from interface org.api4.java.algorithm.IAlgorithm

call, getId, getInput, getNumCPUs, getTimeout, registerListener, setMaxNumThreads, setNumCPUs, setTimeout, setTimeout

Methods inherited from interface org.api4.java.common.control.ICancelable

cancel

Methods inherited from interface org.api4.java.algorithm.ISolutionCandidateIterator

nextSolutionCandidate

Methods inherited from interface java.lang.Iterable

forEach, iterator, spliterator

Methods inherited from interface java.util.Iterator

forEachRemaining, hasNext, next, remove

Constructor Detail

BestFirstEpsilon

public BestFirstEpsilon(GraphSearchWithSubpathEvaluationsInput<T,A,java.lang.Double> problem,
                        org.api4.java.ai.graphsearch.problem.pathsearch.pathevaluation.IPathEvaluator<T,A,W> pSecondaryNodeEvaluator,
                        int epsilon)

BestFirstEpsilon

public BestFirstEpsilon(GraphSearchWithSubpathEvaluationsInput<T,A,java.lang.Double> problem,
                        org.api4.java.ai.graphsearch.problem.pathsearch.pathevaluation.IPathEvaluator<T,A,W> pSecondaryNodeEvaluator,
                        double epsilon,
                        boolean absolute)

Method Detail

isAbsolute

public boolean isAbsolute()

getEpsilon

public double getEpsilon()

getLoggerName

public java.lang.String getLoggerName()

Specified by:

getLoggerName in interface org.api4.java.common.control.ILoggingCustomizable

Overrides:

getLoggerName in class BestFirst<GraphSearchWithSubpathEvaluationsInput<T,A,java.lang.Double>,T,A,java.lang.Double>

setLoggerName

public void setLoggerName(java.lang.String name)

Specified by:

setLoggerName in interface org.api4.java.common.control.ILoggingCustomizable

Overrides:

setLoggerName in class BestFirst<GraphSearchWithSubpathEvaluationsInput<T,A,java.lang.Double>,T,A,java.lang.Double>