net.seninp.gi.rulepruner

Class RulePrunerFactory

java.lang.Object

net.seninp.gi.rulepruner.RulePrunerFactory

public class RulePrunerFactory
extends Object

Pruner methods implementation.

Author:

psenin

Constructor Summary

Constructors

Constructor and Description
RulePrunerFactory()

Method Summary

Modifier and Type	Method and Description
static double	computeCover(boolean[] cover) Compute the covered percentage.
static Integer	computeGrammarSize(GrammarRules rules, Integer paaSize) Computes the size of a normal, i.e.
static boolean	hasEmptyRanges(boolean[] range) Searches for empty (i.e.
static boolean	isCovered(boolean[] range) Checks if the range is completely covered.
static GrammarRules	performPruning(double[] ts, GrammarRules grammarRules) Performs pruning.
static boolean[]	updateRanges(boolean[] range, GrammarRules grammar) Updating the coverage ranges.
static boolean[]	updateRanges(boolean[] range, List<RuleInterval> ruleIntervals) Updating the coverage ranges.

Methods inherited from class java.lang.Object

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

Constructor Detail

RulePrunerFactory

public RulePrunerFactory()

Method Detail

computeGrammarSize

public static Integer computeGrammarSize(GrammarRules rules,
                                         Integer paaSize)

Computes the size of a normal, i.e. unpruned grammar.

Parameters:

rules - the grammar rules.

paaSize - the SAX transform word size.

Returns:

the grammar size, in BYTES.

performPruning

public static GrammarRules performPruning(double[] ts,
                                          GrammarRules grammarRules)

Performs pruning.

Parameters:

ts - the input time series.

grammarRules - the grammar.

Returns:

pruned ruleset.

updateRanges

public static boolean[] updateRanges(boolean[] range,
                                     List<RuleInterval> ruleIntervals)

Updating the coverage ranges.

Parameters:

range - the global range array.

ruleIntervals - The intervals used for this update.

Returns:

an updated array.

updateRanges

public static boolean[] updateRanges(boolean[] range,
                                     GrammarRules grammar)

Updating the coverage ranges.

Parameters:

range - the global range array.

grammar - The grammar (i.e. set of rules) used for this update.

Returns:

an updated array.

computeCover

public static double computeCover(boolean[] cover)

Compute the covered percentage.

Parameters:

cover - the cover array.

Returns:

coverage percentage.

isCovered

public static boolean isCovered(boolean[] range)

Checks if the range is completely covered.

Parameters:

range - the range.

Returns:

true if covered.

hasEmptyRanges

public static boolean hasEmptyRanges(boolean[] range)

Searches for empty (i.e. uncovered) ranges.

Parameters:

range - the whole range to analyze.

Returns:

true if uncovered ranges exist.