Java Doc for RuleImpl.java in  » Rule-Engine » Mandarax » org » mandarax » reference » Java Source Code / Java DocumentationJava Source Code and Java Documentation

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Java Source Code / Java Documentation » Rule Engine » Mandarax » org.mandarax.reference   Source Cross Reference   Class Diagram   Java Document (Java Doc)   java.lang.Object    org.mandarax.kernel.AbstractPropertiesSupport       org.mandarax.kernel.AbstractClause          org.mandarax.reference.RuleImpl RuleImpl public class RuleImpl extends AbstractClause implements Rule,ClauseSetChangeListener(Code) Reference implementation for rules. author:    Jens Dietrich version:    3.4 <7 March 05> since:    1.1 since:    Prova re-integration modifications author:    Alex Kozlenkov version:    3.4 <7 March 05> Constructor Summary public   RuleImpl()      Constructor.   RuleImpl(java.util.List c, Fact h)      Constructor.   RuleImpl(java.util.List c, Fact h, boolean or)      Constructor. Method Summary public  void addToBody(Fact f)      Add a fact to the body. public  Clause apply(java.util.Collection r)      Apply a set of replacements to a clause. public  Clause apply(Replacement r)      Apply a single replacement to a fact. public  Rule applyToRule(java.util.Collection r)      Apply a set of substitutions. public  Rule applyToRule(Replacement r)      Apply a replacement to a rule. public  void clauseSetChanged(ClauseSetChangeEvent e)      Handle a clause set change event. public  org.mandarax.util.ClauseIterator clauses()      Get a clause iterator. public  boolean equals(Object obj)      Check whether objects are equal. public  java.util.List getBody()      Get the body of the rule. public  Fact getHead()      Get the head fact. public  Object getKey()      Get a key for fast access. public  java.util.List getNegativeLiterals()      Get the negative literals. public synchronized  java.util.List getPositiveLiterals()      Get the positive literals. public  int hashCode()      Get the hashcode of the object. public  boolean isAtomic()      Indicates whether the clause is atomic. public  boolean isBodyOrConnected()      Indicates whether the premisses in the body are connected by OR. public  boolean isBound()      public  boolean isEmpty()      Indicates whether the clause is the empty clause. public  boolean isExecutable()      Indicates whether the object (usually a term or a clause set) can be performed using the java semantics. public  boolean isGround()      Indicates whether the clause is ground (= does not have variables). public  Iterator predicates()      Get an iterator iterating over the predicates contained in this clause set. public  boolean removeFromBody(Fact f)      Remove a fact from the body. public  void setBody(java.util.List b)      Set the body. public  void setBodyOrConnected(boolean value)      Set a new value. public  void setHead(Fact f)      Set the head. public  String toString()      Convert the receiver to a string. Constructor Detail RuleImpl public RuleImpl()(Code) Constructor. RuleImpl RuleImpl(java.util.List c, Fact h)(Code) Constructor. Pass a head and a body. Parameters:   c - a list of facts that is going to be the body of the rule Parameters:   h - a fact that is going to be the head of the rule RuleImpl RuleImpl(java.util.List c, Fact h, boolean or)(Code) Constructor. Pass a head and a body. Parameters:   c - a list of facts that is going to be the body of the rule Parameters:   h - a fact that is going to be the head of the rule Parameters:   or - if true the premisses are connected by OR, otherwise by AND Method Detail addToBody public void addToBody(Fact f)(Code) Add a fact to the body. Parameters:   f - a fact apply public Clause apply(java.util.Collection r)(Code) Apply a set of replacements to a clause. Returns a new clause! the rule (clause) resulting from the application of the replacements Parameters:   r - a collection of replacements apply public Clause apply(Replacement r)(Code) Apply a single replacement to a fact. Returns a new clause! the rule (clause) resulting from the application of the replacemen Parameters:   r - the replacement applyToRule public Rule applyToRule(java.util.Collection r)(Code) Apply a set of substitutions. the rule that is the result of applying the replacements Parameters:   r - a collection of replacements applyToRule public Rule applyToRule(Replacement r)(Code) Apply a replacement to a rule. the rule that is the result of applying the replacement Parameters:   r - a replacement clauseSetChanged public void clauseSetChanged(ClauseSetChangeEvent e)(Code) Handle a clause set change event. Parameters:   e - an event clauses public org.mandarax.util.ClauseIterator clauses()(Code) Get a clause iterator. a clause iterator equals public boolean equals(Object obj)(Code) Check whether objects are equal. Parameters:   obj - the object to compare this object with true if the objects are equal, false otherwise getBody public java.util.List getBody()(Code) Get the body of the rule. the body (a list of facts) getHead public Fact getHead()(Code) Get the head fact. the hhead of the rule getKey public Object getKey()(Code) Get a key for fast access. See Also:   org.mandarax.kernel.Fact the key object getNegativeLiterals public java.util.List getNegativeLiterals()(Code) Get the negative literals. the body of the rule getPositiveLiterals public synchronized java.util.List getPositiveLiterals()(Code) Get the positive literals. a list containing only the head of the rule hashCode public int hashCode()(Code) Get the hashcode of the object. a hash code isAtomic public boolean isAtomic()(Code) Indicates whether the clause is atomic. a boolean isBodyOrConnected public boolean isBodyOrConnected()(Code) Indicates whether the premisses in the body are connected by OR. a boolean isBound public boolean isBound()(Code) Whether the head contains variables boolean isEmpty public boolean isEmpty()(Code) Indicates whether the clause is the empty clause. true if head and body are empty, false otherwise isExecutable public boolean isExecutable()(Code) Indicates whether the object (usually a term or a clause set) can be performed using the java semantics. a boolean isGround public boolean isGround()(Code) Indicates whether the clause is ground (= does not have variables). a boolean predicates public Iterator predicates()(Code) Get an iterator iterating over the predicates contained in this clause set. an iterator removeFromBody public boolean removeFromBody(Fact f)(Code) Remove a fact from the body. boolean - indicates whether the element has been found or not Parameters:   f - a fact setBody public void setBody(java.util.List b)(Code) Set the body. Parameters:   b - the new body setBodyOrConnected public void setBodyOrConnected(boolean value)(Code) Set a new value. A value true means that the prerequisistes are connected by OR, a value false means that the prerequistes are connected by AND. Parameters:   value - a boolean setHead public void setHead(Fact f)(Code) Set the head. Note that we fire an event because changing the head could imply changing the key and containers (knowledge bases) need to be notified about this. Prova: add isBound processing Parameters:   f - the new head toString public String toString()(Code) Convert the receiver to a string. the string representation of this object Fields inherited from org.mandarax.kernel.AbstractClause protected transient Vector clauseSetChangeListener(Code)(Java Doc) protected ClauseSet container(Code)(Java Doc) Methods inherited from org.mandarax.kernel.AbstractClause public void addClauseSetChangeListener(ClauseSetChangeListener l)(Code)(Java Doc) public org.mandarax.util.ClauseIterator clauses()(Code)(Java Doc) public org.mandarax.util.ClauseIterator clauses(Clause query, Object additionalParameter)(Code)(Java Doc) protected void fireClauseSetChangeEvent(ClauseSetChangeEvent e)(Code)(Java Doc) public ClauseSet getContainer()(Code)(Java Doc) public void removeClauseSetChangeListener(ClauseSetChangeListener l)(Code)(Java Doc) public void setContainer(ClauseSet aContainer)(Code)(Java Doc) Methods inherited from org.mandarax.kernel.AbstractPropertiesSupport public Properties getProperties()(Code)(Java Doc) public String getProperty(String key)(Code)(Java Doc) public Enumeration propertyNames()(Code)(Java Doc) public Object removeProperty(String key)(Code)(Java Doc) public void setProperties(Properties properties)(Code)(Java Doc) public Object setProperty(String key, String value)(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)