public void addChildObject(WDBObject child) throws Exception {
if (!children.containsKey(child.getClassName())) {
this.children.put(child.getClassName(), child.getUid());
} else {
throw new ClassCastException(
"This entity of class \""
+ this.classDefName
+ "\" has alreadly been extended to class \""
+ child.getClassName()
+ "\"");
}
}
public WDBObject newInstance(WDBObject baseParent, Adapter scda) throws Exception {
Integer newUid = new Integer(Math.abs((new UID()).hashCode()));
WDBObject newObject =
new WDBObject(
new Hashtable<String, Integer>(),
new Hashtable<String, Integer>(),
new Hashtable<String, Object>(),
new Hashtable<String, Object>(),
this.name,
newUid);
for (int i = 0; i < this.superClasses.size(); i++) {
ClassDef superClass = scda.getClass((String) this.superClasses.get(i));
WDBObject parent;
if (baseParent == null || !superClass.name.equals(baseParent.getClassName())) {
if (superClass.getClass() == SubclassDef.class) {
// If this super class is another subclass, then create a new instance of one of those
// with this object as the child and the parent we want to attach to
parent = superClass.newInstance(baseParent, scda);
} else {
// If this super class is a base class, then create a new isntance but don't pass the
// parent we want to attach since its a base class
parent = superClass.newInstance(null, scda);
}
} else {
// The base parent is my immediate parent
parent = baseParent;
}
WDBObject childObject = parent.getChildObject(this.name, scda);
if (childObject != null) {
// Parent alreadly extended to this class, just return the child instance
return childObject;
}
parent.addChildObject(newObject);
parent.commit(scda);
newObject.addParentObject(parent);
}
this.addInstance(newUid);
this.commit(scda);
return newObject;
}
public WDBObject newInstance(WDBObject parent) throws Exception {
if (parent != null) {
throw new IllegalArgumentException(
"Failed to add parent object of class \""
+ parent.getClassName()
+ "\" to base class "
+ this.name);
}
Integer newUid = new Integer(Math.abs((new UID()).hashCode()));
WDBObject newObject =
new WDBObject(
new Hashtable<String, Integer>(),
new Hashtable<String, Integer>(),
new Hashtable<String, Object>(),
new Hashtable<String, Object>(),
this.name,
newUid);
this.addInstance(newUid);
return newObject;
}
public void removeChildObject(WDBObject child) throws Exception {
this.children.remove(child.getClassName());
}
public void removeParentObject(WDBObject parent) throws Exception {
this.parents.remove(parent.getClassName());
}
public void addParentObject(WDBObject parent) throws Exception {
this.parents.put(parent.getClassName(), parent.getUid());
}