/**
* Clone this query service, optionally overriding the clone's namespace and variable bindings. If
* the namespace bindings override or variable bindings override is specified, then that object is
* cloned and used for its respective purpose. If an override is not specified, the bindings are
* cloned from the original query service.
*
* @param nsBindingsOverride the namespace bindings to clone, or <code>null</code> to clone from
* the original
* @param varBindingsOverride the variable bindings to clone, or <code>null</code> to clone from
* the original
* @return a clone of this query service with bindings optionally overridden
*/
public QueryService clone(NamespaceMap nsBindingsOverride, Map<QName, ?> varBindingsOverride) {
try {
QueryService that = (QueryService) super.clone();
that.namespaceBindings =
nsBindingsOverride != null ? nsBindingsOverride.clone() : that.namespaceBindings.clone();
if (varBindingsOverride == null) {
that.bindings = new HashMap<QName, Object>(that.bindings);
} else {
that.bindings = new HashMap<QName, Object>();
for (Map.Entry<QName, ?> entry : varBindingsOverride.entrySet()) {
that.let(entry.getKey(), entry.getValue());
}
}
that.moduleMap = new TreeMap<String, Document>(moduleMap);
return that;
} catch (CloneNotSupportedException e) {
throw new RuntimeException("unexpected exception", e);
}
}
