Java Doc for LPRuleStore.java in  » RSS-RDF » Jena-2.5.5 » com » hp » hpl » jena » reasoner » rulesys » impl » Java Source Code / Java DocumentationJava Source Code and Java Documentation

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Java Source Code / Java Documentation » RSS RDF » Jena 2.5.5 » com.hp.hpl.jena.reasoner.rulesys.impl   Source Cross Reference   Class Diagram   Java Document (Java Doc)   java.lang.Object    com.hp.hpl.jena.reasoner.rulesys.impl.RuleStore       com.hp.hpl.jena.reasoner.rulesys.impl.LPRuleStore LPRuleStore public class LPRuleStore extends RuleStore (Code) Holds the set of backward rules used by an LPEngine. Is responsible for compile the rules into internal byte codes before use. author:    Dave Reynolds version:    $Revision: 1.7 $ on $Date: 2008/01/02 12:06:16 $ Field Summary protected  ArrayList allRuleClauseCodes      protected  boolean allTabled      protected  Map indexPredicateToCodeMap      protected  boolean isCompiled      protected  Map predicateToCodeMap      A map from predicate to a list of RuleClauseCode objects for that predicate. protected  HashSet tabledPredicates      Constructor Summary public   LPRuleStore(List rules)      Construct a rule store containing the given rules. public   LPRuleStore()      Method Summary public  void addAll(LPRuleStore store)      Add all the rules and tabling instructions from an existing rulestore into this one. public  List codeFor(Node predicate)      Return an ordered list of RuleClauseCode objects to implement the given predicate. public  List codeFor(TriplePattern goal)      Return an ordered list of RuleClauseCode objects to implement the given query pattern. protected  void compileAll()      Compile all the rules in a table. protected  void doAddRemoveRule(Rule rule, boolean isAdd)      Add/remove a single rule from the store. public  boolean isIndexedPredicate(Node predicate)      Return true if the given predicate is indexed. public  boolean isTabled(TriplePattern goal)      Return true if the given goal is tabled, currently this is true if the predicate is a tabled predicate or the predicate is a wildcard and some tabled predictes exist. public  boolean isTabled(Node predicate)      Return true if the given predicated is tabled, currently this is true if the predicate is a tabled predicate or the predicate is a wildcard and some tabled predictes exist. public synchronized  void tablePredicate(Node predicate)      Register an RDF predicate as one whose presence in a goal should force the goal to be tabled. Field Detail allRuleClauseCodes protected ArrayList allRuleClauseCodes(Code) The list of all RuleClauseCode objects, used to implement wildcard queries allTabled protected boolean allTabled(Code) True if all goals should be treated as tabled indexPredicateToCodeMap protected Map indexPredicateToCodeMap(Code) Two level index map - index on predicate then on object isCompiled protected boolean isCompiled(Code) Flag to indicate whether the rules have been compiled into code objects predicateToCodeMap protected Map predicateToCodeMap(Code) A map from predicate to a list of RuleClauseCode objects for that predicate. Uses Node_RuleVariable.WILD for wildcard predicates. tabledPredicates protected HashSet tabledPredicates(Code) Set of predicates which should be tabled Constructor Detail LPRuleStore public LPRuleStore(List rules)(Code) Construct a rule store containing the given rules. Parameters:   rules - the rules to initialize the store with. LPRuleStore public LPRuleStore()(Code) Construct an empty rule store Method Detail addAll public void addAll(LPRuleStore store)(Code) Add all the rules and tabling instructions from an existing rulestore into this one. codeFor public List codeFor(Node predicate)(Code) Return an ordered list of RuleClauseCode objects to implement the given predicate. Parameters:   predicate - the predicate node or Node_RuleVariable.WILD for wildcards. codeFor public List codeFor(TriplePattern goal)(Code) Return an ordered list of RuleClauseCode objects to implement the given query pattern. This may use indexing to narrow the rule set more that the predicate-only case. Parameters:   goal - the triple pattern that makes up the query compileAll protected void compileAll()(Code) Compile all the rules in a table. initially just indexed on predicate but want to add better indexing for the particular cases of wildcard rules and type rules. doAddRemoveRule protected void doAddRemoveRule(Rule rule, boolean isAdd)(Code) Add/remove a single rule from the store. Overridden in order to reset the "isCompiled" flag. Parameters:   rule - the rule, single headed only Parameters:   isAdd - true to add, false to remove isIndexedPredicate public boolean isIndexedPredicate(Node predicate)(Code) Return true if the given predicate is indexed. isTabled public boolean isTabled(TriplePattern goal)(Code) Return true if the given goal is tabled, currently this is true if the predicate is a tabled predicate or the predicate is a wildcard and some tabled predictes exist. isTabled public boolean isTabled(Node predicate)(Code) Return true if the given predicated is tabled, currently this is true if the predicate is a tabled predicate or the predicate is a wildcard and some tabled predictes exist. tablePredicate public synchronized void tablePredicate(Node predicate)(Code) Register an RDF predicate as one whose presence in a goal should force the goal to be tabled. Fields inherited from com.hp.hpl.jena.reasoner.rulesys.impl.RuleStore protected List allRules(Code)(Java Doc) protected OneToManyMap goalMap(Code)(Java Doc) protected Set ruleIndex(Code)(Java Doc) Methods inherited from com.hp.hpl.jena.reasoner.rulesys.impl.RuleStore public void addAll(RuleStore store)(Code)(Java Doc) public void addRule(Rule rule)(Code)(Java Doc) public void deleteAllRules()(Code)(Java Doc) public void deleteRule(Rule rule)(Code)(Java Doc) protected void doAddRemoveRule(Rule rule, boolean isAdd)(Code)(Java Doc) public List getAllRules()(Code)(Java Doc) public List rulesFor(TriplePattern goal)(Code)(Java Doc) Methods inherited from java.lang.Object native protected Object clone() throws CloneNotSupportedException(Code)(Java Doc) public boolean equals(Object obj)(Code)(Java Doc) protected void finalize() throws Throwable(Code)(Java Doc) final native public Class getClass()(Code)(Java Doc) native public int hashCode()(Code)(Java Doc) final native public void notify()(Code)(Java Doc) final native public void notifyAll()(Code)(Java Doc) public String toString()(Code)(Java Doc) final native public void wait(long timeout) throws InterruptedException(Code)(Java Doc) final public void wait(long timeout, int nanos) throws InterruptedException(Code)(Java Doc) final public void wait() throws InterruptedException(Code)(Java Doc)