public void printAttributeName(PrintNode row, AttributePath attributePath, Adapter scda)
throws Exception {
for (int j = 0; j < attributes.size(); j++) {
Attribute currentAttribute = (Attribute) attributes.get(j);
int attributeLength = currentAttribute.name.length() + 2;
if (currentAttribute.getClass() == DVA.class && attributePath.levelsOfIndirection() <= 0) {
// If the attribute we want is found or we just want everything, output
if (attributePath.attribute.equals("*")) {
PrintCell cell = new PrintCell();
cell.setOutput(String.format("%s", currentAttribute.name));
row.addCell(cell);
} else if (attributePath.attribute.equals(currentAttribute.name)) {
PrintCell cell = new PrintCell();
cell.setOutput(String.format("%s", currentAttribute.name));
row.addCell(cell);
return;
}
}
if (currentAttribute.getClass() == EVA.class && attributePath.levelsOfIndirection() > 0) {
String evaName = attributePath.getIndirection(attributePath.levelsOfIndirection() - 1);
if (evaName.equals(currentAttribute.name)) {
ClassDef targetClass = scda.getClass(((EVA) currentAttribute).baseClassName);
attributePath.removeIndirection(attributePath.levelsOfIndirection() - 1);
targetClass.printAttributeName(row, attributePath, scda);
attributePath.addIndirection(evaName);
return;
}
}
}
// Got here if we didn't get what we need in this class
int i = 0;
while (i < superClasses.size()) {
try {
ClassDef superClass = scda.getClass(((String) superClasses.get(i)));
superClass.printAttributeName(row, attributePath, scda);
i++;
} catch (NoSuchFieldException nsfe) {
if (i < superClasses.size()) {
i++;
} else {
throw nsfe;
}
}
}
}
public void padAttribute(PrintNode row, AttributePath attributePath, Adapter scda)
throws Exception {
for (int j = 0; j < attributes.size(); j++) {
Attribute currentAttribute = (Attribute) attributes.get(j);
int attributeLength = currentAttribute.name.length();
if (currentAttribute.getClass() == DVA.class && attributePath.levelsOfIndirection() <= 0) {
// If the attribute we want is found or we just want everything, output
if (attributePath.attribute.equals("*")) {
PrintCell cell = new PrintCell();
cell.setOutput(String.format(""));
row.addCell(cell);
} else if (attributePath.attribute.equals(currentAttribute.name)) {
PrintCell cell = new PrintCell();
cell.setOutput(String.format(""));
row.addCell(cell);
return;
}
}
if (currentAttribute.getClass() == EVA.class && attributePath.levelsOfIndirection() > 0) {
String evaName = attributePath.getIndirection(attributePath.levelsOfIndirection() - 1);
if (evaName.equals(currentAttribute.name)) {
ClassDef targetClass = scda.getClass(((EVA) currentAttribute).baseClassName);
attributePath.removeIndirection(attributePath.levelsOfIndirection() - 1);
targetClass.padAttribute(row, attributePath, scda);
attributePath.addIndirection(evaName);
return;
}
}
}
if (!(attributePath.attribute.equals("*") && attributePath.levelsOfIndirection() <= 0)) {
// If we got here and we weren't trying to output all the attributes, we didn't find the
// requested attribute.
if (this.getClass() == SubclassDef.class) {
for (int i = 0; i < ((SubclassDef) this).numberOfSuperClasses(); i++) {
ClassDef parentClass = scda.getClass(((SubclassDef) this).getSuperClass(i));
parentClass.padAttribute(row, attributePath, scda);
}
} else {
throw new NoSuchFieldException(
"Attribute \"" + attributePath.attribute + "\" is not a valid DVA");
}
}
}
public boolean isSubclassOf(String superClassName, Adapter scda) throws Exception {
// See if its one of my immediate superclasses.
if (superClasses.contains(superClassName)) {
return true;
}
// Not immediate superclass of me. Check my parents.
ClassDef superClass;
for (int i = 0; i < superClasses.size(); i++) {
superClass = scda.getClass(((String) superClasses.get(i)));
if (superClass.isSubclassOf(superClassName, scda)) {
return true;
}
}
// Not any superClass of mine!
return false;
}
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 ClassDef getBaseClass(Adapter scda) throws Exception {
// Assume all of our superclasses go back to the same base class alreadly
ClassDef superClass;
superClass = scda.getClass(((String) superClasses.get(0)));
return superClass.getBaseClass(scda);
}
