/*
    * @author Giorgos Anestis, TUC/MUSIC
    * 
    * @version 2.0 
    */
   package org.dbe.studio.tools.ontologyviewer.metamodels.odm;
   
   import java.util.Collection;
   import java.util.Hashtable;
  import java.util.Vector;
  
  import org.dbe.studio.tools.ontologyviewer.views.OntologyTree;
  
  /***
   * An ontology defines the various elements that can be used to describe and
   * represent a domain of knowledge. It includes definitions of basic concepts 
   * within a domain or across domains and the relationships among them, using
   * elements, such as classes, individuals, properties, etc. 
   * 
   */
  public class OdmOntology {
  	// The tree into which the ontology will be presented
  	OntologyTree theTree;
  	
  	String name; //attributes inherited from the abstact class NamedElement
  	String id;
  	OdmOntologyHeader ontologyHeader;
  	Hashtable classes;  // list of OntologyClass class instances
  	Hashtable classInstances;
  	Vector objectPropertyIntances;
  	Hashtable dataRanges;  // list of the defined data ranges
  	
  	/*
  	 * The list of ObjectProperties defined in the Ontology
  	 * Only the ObjectProperties are kept directly in the Ontology because they
  	 * have some autonomy as concepts. The same is not true for datatype 
  	 * properties 
  	 */
  	Hashtable objectProperties; 
  	
  	/***
  	 * 
  	 */
  	public OdmOntology(String name, String id) {
  		super();
  		this.name = name;
  		this.id = id;
  		ontologyHeader = new OdmOntologyHeader();
  		classes = new Hashtable();		
  		classes.put(OdmThingClass.THE_THING_ID, OdmThingClass.getThingClass());
  		objectProperties = new Hashtable();
  		classInstances = new Hashtable();		
  		objectPropertyIntances = new Vector();
  		dataRanges = new Hashtable();
  	}
  		
  	public void addClass(OdmOntologyClass oc) {
  		classes.put(oc.getId(), oc);
  	}
  	
  	public void removeClass(OdmOntologyClass oc) {		
  		classes.remove(oc.getId());		
  	}
  	
  	public OdmOntologyClass findClass(String classID) {
  		return (OdmOntologyClass)classes.get(classID);
  	}
  	
  	public void addObjectProperty(OdmObjectProperty property) {
  		objectProperties.put(property.getId(), property);
  	}
  	
  	public void removeObjectProperty(OdmObjectProperty property) {
  		objectProperties.remove(property.getId());
  	}
  	
  	public OdmObjectProperty findObjectProperty(String propID) {
  		return (OdmObjectProperty)objectProperties.get(propID);
  	}
  	
  	public void addClassInstance(OdmOntologyClassInst ocInst) {
  		classInstances.put(ocInst.getId(), ocInst);
  	}
  	
  	public void removeClassInstance(OdmOntologyClassInst ocInst) {
  		classInstances.remove(ocInst.getId());		
  	}
  	
  	public OdmOntologyClassInst findClassInst(String classID) {
  		return (OdmOntologyClassInst)classInstances.get(classID);
  	}
  	
  	public void addObjPropertyInst(OdmObjectPropertyInst objPropertyInst) {
  		objectPropertyIntances.add(objPropertyInst);
  	}
  	
  	public void removeObjPropertyInst(OdmObjectPropertyInst objPropertyInst) {
  		objectPropertyIntances.remove(objPropertyInst);
  	}
 	
 	public void addDataRange(OdmDataRange dr) {
 		dataRanges.put(dr.getId(), dr);
 	}
 	
 	public void removeDataRange(OdmDataRange dr) {
 		dataRanges.remove(dr.getId());
 	}
 	
 	public OdmDataRange findDataRange(String id) {
 		return (OdmDataRange)dataRanges.get(id);
 	}
 	
 	public OdmDataRange findDataRangeByURI(String uri) {
 		Collection c = dataRanges.values();
 		
 		for(; c.iterator().hasNext() ; ) {
 			OdmDataRange dr = ((OdmDataRange)c.iterator().next()); 
 			if ( dr.getName().equals(uri) ) {
 				return dr;
 			}
 		}
 		return null;
 	}		
 	
 	public void setName(String name) {
 		this.name = name;
 	}
 	
 	public void setId(String id) {
 		this.id = id;
 	}
 	
 	public void setOntologyHeader(OdmOntologyHeader op) {		
 		ontologyHeader = op;
 	}
 	
 	public void setObjectProperties(Hashtable op) {		
 		objectProperties = op;
 	}
 	
 	public void setClasses(Hashtable oc) {
 		classes = oc;
 	}
 	
 	public void setTheTree(OntologyTree t) {
 		theTree = t;
 	}
 	
 	public String getName() {
 		return name;
 	}
 	
 	public String getId() {
 		return id;
 	}
 	
 	public OdmOntologyHeader getOntologyHeader() {
 		return ontologyHeader;
 	}
 	
 	public Hashtable getClasses() {
 		return classes;
 	}
 	
 	public Hashtable getObjectProperties() {
 		return objectProperties;
 	}
 	
 	public OntologyTree getTheTree() {
 		return theTree;
 	}
 }