Java Doc for RETERuleContext.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.RETERuleContext RETERuleContext public class RETERuleContext implements RuleContext(Code) An implementation of the generic RuleContext for use in the RETE implementation. The RuleContext is used to supply context information to the builtin operations. author:    Dave Reynolds version:    $Revision: 1.11 $ on $Date: 2008/01/02 12:06:15 $ Field Summary protected  RETEEngine engine      protected  BindingEnvironment env      The binding environment which represents the state of the current rule execution. protected  ForwardRuleInfGraphI graph      The enclosing inference graph. protected  Rule rule      The rule current being executed. Constructor Summary public   RETERuleContext(ForwardRuleInfGraphI graph, RETEEngine engine)      Constructor. Method Summary public  void add(Triple t)      Assert a new triple in the deduction graph, triggering any consequent processing as appropriate. public  boolean contains(Triple t)      Return true if the triple is already in either the graph or the stack. I.e. public  boolean contains(Node s, Node p, Node o)      Return true if the triple pattern is already in either the graph or the stack. I.e. public  ClosableIterator find(Node s, Node p, Node o)      In some formulations the context includes deductions that are not yet visible to the underlying graph but need to be checked for. public  RETEEngine getEngine()      Returns the RETE engine associated with this context. public  BindingEnvironment getEnv()      Returns the current variable binding environment for the current rule. public  InfGraph getGraph()      Returns the graph. public  Rule getRule()      Returns the rule. public  void remove(Triple t)      Remove a triple from the deduction graph (and the original graph if relevant). public  void setEnv(BindingEnvironment env)      Sets the current binding environment for this context. public  void setRule(Rule rule)      Sets the rule. public  boolean shouldFire(boolean allowUnsafe)      Check whether the rule should fire in this context. public  boolean shouldStillFire()      Check if a rule from the conflict set is still OK to fire. public  void silentAdd(Triple t)      Assert a new triple in the deduction graph, bypassing any processing machinery. Field Detail engine protected RETEEngine engine(Code) The RETE engine associated with the inference graph env protected BindingEnvironment env(Code) The binding environment which represents the state of the current rule execution. graph protected ForwardRuleInfGraphI graph(Code) The enclosing inference graph. rule protected Rule rule(Code) The rule current being executed. Constructor Detail RETERuleContext public RETERuleContext(ForwardRuleInfGraphI graph, RETEEngine engine)(Code) Constructor. Parameters:   graph - the inference graph which owns this context. Method Detail add public void add(Triple t)(Code) Assert a new triple in the deduction graph, triggering any consequent processing as appropriate. contains public boolean contains(Triple t)(Code) Return true if the triple is already in either the graph or the stack. I.e. it has already been deduced. contains public boolean contains(Node s, Node p, Node o)(Code) Return true if the triple pattern is already in either the graph or the stack. I.e. it has already been deduced. find public ClosableIterator find(Node s, Node p, Node o)(Code) In some formulations the context includes deductions that are not yet visible to the underlying graph but need to be checked for. However, currently this calls the graph find directly. getEngine public RETEEngine getEngine()(Code) Returns the RETE engine associated with this context. getEnv public BindingEnvironment getEnv()(Code) Returns the current variable binding environment for the current rule. BindingEnvironment getGraph public InfGraph getGraph()(Code) Returns the graph. InfGraph getRule public Rule getRule()(Code) Returns the rule. Rule remove public void remove(Triple t)(Code) Remove a triple from the deduction graph (and the original graph if relevant). setEnv public void setEnv(BindingEnvironment env)(Code) Sets the current binding environment for this context. Parameters:   env - the binding environment so far setRule public void setRule(Rule rule)(Code) Sets the rule. Parameters:   rule - The rule to set shouldFire public boolean shouldFire(boolean allowUnsafe)(Code) Check whether the rule should fire in this context. shouldStillFire public boolean shouldStillFire()(Code) Check if a rule from the conflict set is still OK to fire. Just checks the non-monotonic guards such as noValue. silentAdd public void silentAdd(Triple t)(Code) Assert a new triple in the deduction graph, bypassing any processing machinery. 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)