/**
* INTERNAL: Add element into the container.
*
* @param element java.lang.Object
* @param container java.lang.Object
* @return boolean indicating whether the container changed
*/
protected boolean addInto(Object key, Object element, Object container) {
try {
((IndirectList) container).addElement(element);
return true;
} catch (ClassCastException ex) {
throw QueryException.cannotAddElement(element, container, ex);
}
}
/**
* INTERNAL: Remove elements from this container starting with this index
*
* @param beginIndex int the point to start deleting values from the collection
* @param container java.lang.Object
* @return boolean indicating whether the container changed
*/
public void removeFromWithOrder(int beginIndex, Object container) {
int size = sizeFor(container) - 1;
try {
for (; size >= beginIndex; --size) {
((IndirectList) container).removeElementAt(size);
}
} catch (ClassCastException ex1) {
throw QueryException.cannotRemoveFromContainer(new Integer(size), container, this);
}
}
/**
* INTERNAL: Add element into a container which implements the Collection interface.
*
* @param element java.lang.Object
* @param container java.lang.Object
* @return boolean indicating whether the container changed
*/
public void addIntoWithOrder(Vector indexes, Hashtable elements, Object container) {
Object object = null;
try {
Enumeration indexEnum = indexes.elements();
while (indexEnum.hasMoreElements()) {
Integer index = (Integer) indexEnum.nextElement();
object = elements.get(index);
if (index.intValue() >= (sizeFor(container) - 1)) {
((IndirectList) container).addElement(object);
} else {
((IndirectList) container).setElementAt(object, index.intValue());
}
}
} catch (ClassCastException ex1) {
throw QueryException.cannotAddElement(object, container, ex1);
}
}