Java Doc for AbstractKnowledgeBase.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.reference.AbstractKnowledgeBase All known Subclasses:   org.mandarax.reference.KnowledgeBase,  org.mandarax.reference.AdvancedKnowledgeBase, AbstractKnowledgeBase abstract public class AbstractKnowledgeBase implements org.mandarax.kernel.KnowledgeBase,LogCategories(Code) Abstract super class for knowledge bases. Includes some support methods for event handling. Queries are organized in a Hashtable. author:    Jens Dietrich version:    3.4 <7 March 05> since:    1.2 Constructor Summary public   AbstractKnowledgeBase()      Constructor. Method Summary public  void addKnowledgeBaseChangeListener(KnowledgeBaseChangeListener l)      Add a knowledge base change listener. public  void addQuery(Query q)      Add a query. public  void addTestCase(TestCase testCase)      Add a test case. protected  void fireKnowledgeBaseChanged(int state)      Fire a knowledge base change event. protected  void fireKnowledgeBaseChanged(int state, Object changed)      Fire a knowledge base change event. protected  void fireKnowledgeBaseChanged(int state, Collection changed)      Fire a knowledge base changed event. protected  void fireKnowledgeBaseChanged(KnowledgeBaseChangeEvent e)      Fire a knowledge base change event. public synchronized  Predicate getPredicate(String name)      Get a predicate by name. Note that there might by more than one predicate in the kb with the same name. In some cases, this makes sense (e.g. public  Query getQuery(String queryName)      Get a query by name or null if there is no query with this name. public synchronized  Iterator predicates()      Get an iterator for all predicates contained (in any clause set within the kb). public  Iterator queries()      Get an iterator for all queries registered. public  Iterator queryNames()      Get an iterator for the names of all queries registered. public  void removeKnowledgeBaseChangeListener(KnowledgeBaseChangeListener l)      Remove a knowledge base change listener. public  boolean removeQuery(Query q)      Remove a query. public  boolean removeTestCase(TestCase testCase)      Remove a test case. public  Iterator testcases()      Get an iterator for all test cases registered. Constructor Detail AbstractKnowledgeBase public AbstractKnowledgeBase()(Code) Constructor. Method Detail addKnowledgeBaseChangeListener public void addKnowledgeBaseChangeListener(KnowledgeBaseChangeListener l)(Code) Add a knowledge base change listener. Parameters:   l - org.mandarax.kernel.KnowledgeBaseChangeListener addQuery public void addQuery(Query q)(Code) Add a query. If a query with the name name already exists, replace it. Parameters:   q - a query addTestCase public void addTestCase(TestCase testCase)(Code) Add a test case. Parameters:   testCase - a test case fireKnowledgeBaseChanged protected void fireKnowledgeBaseChanged(int state)(Code) Fire a knowledge base change event. See Also:   KnowledgeBaseChangeEvent Parameters:   state - should be one of the constant defined in KnowledgeBaseEvent fireKnowledgeBaseChanged protected void fireKnowledgeBaseChanged(int state, Object changed)(Code) Fire a knowledge base change event. See Also:   KnowledgeBaseChangeEvent Parameters:   state - should be one of the constant defined in KnowledgeBaseEvent Parameters:   changed - the affected clause set fireKnowledgeBaseChanged protected void fireKnowledgeBaseChanged(int state, Collection changed)(Code) Fire a knowledge base changed event. See Also:   KnowledgeBaseChangeEvent Parameters:   state - should be one of the constant defined in KnowledgeBaseEvent Parameters:   changed - the collection of affected clause sets fireKnowledgeBaseChanged protected void fireKnowledgeBaseChanged(KnowledgeBaseChangeEvent e)(Code) Fire a knowledge base change event. Parameters:   e - the event getPredicate public synchronized Predicate getPredicate(String name)(Code) Get a predicate by name. Note that there might by more than one predicate in the kb with the same name. In some cases, this makes sense (e.g. polymorphic predicates such as < for different types), but should be avoided for "custom" predicates (such as SimplePredicates). In this case, this method should return one predicate. In this case, applications can still use predicates() in order to find all predicates with a particular name. a predicate or null indicating that the kb does not contain a predicate with this name Parameters:   name - a predicate name getQuery public Query getQuery(String queryName)(Code) Get a query by name or null if there is no query with this name. Parameters:   queryName - a query name a query of null if there is no query registered with this name predicates public synchronized Iterator predicates()(Code) Get an iterator for all predicates contained (in any clause set within the kb). an iterator queries public Iterator queries()(Code) Get an iterator for all queries registered. The iterator cannot be used to remove elements! an iterator queryNames public Iterator queryNames()(Code) Get an iterator for the names of all queries registered. an iterator removeKnowledgeBaseChangeListener public void removeKnowledgeBaseChangeListener(KnowledgeBaseChangeListener l)(Code) Remove a knowledge base change listener. Parameters:   l - a listener removeQuery public boolean removeQuery(Query q)(Code) Remove a query. Parameters:   q - a query true if the object has been found (true) or not (false) removeTestCase public boolean removeTestCase(TestCase testCase)(Code) Remove a test case. Parameters:   testCase - a test case true if the object has been found (true) or not (false) testcases public Iterator testcases()(Code) Get an iterator for all test cases registered. an iterator 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)