private ClassMetadata singleClassConstraint() {
if (requiresSort()) {
return null;
}
QConClass clazzconstr = classConstraint();
if (clazzconstr == null) {
return null;
}
ClassMetadata clazz = clazzconstr._classMetadata;
if (clazz == null) {
return null;
}
if (clazzconstr.hasChildren() || clazz.isArray()) {
return null;
}
return clazz;
}
private Constraint addInterfaceConstraint(ReflectClass claxx) {
Collection4 classes = stream().classCollection().forInterface(claxx);
if (classes.size() == 0) {
QConClass qcc = new QConClass(_trans, null, null, claxx);
addConstraint(qcc);
return qcc;
}
Iterator4 i = classes.iterator();
Constraint constr = null;
while (i.moveNext()) {
ClassMetadata classMetadata = (ClassMetadata) i.current();
ReflectClass classMetadataClaxx = classMetadata.classReflector();
if (classMetadataClaxx != null) {
if (!classMetadataClaxx.isInterface()) {
if (constr == null) {
constr = constrain(classMetadataClaxx);
} else {
constr = constr.or(constrain(classMetadata.classReflector()));
}
}
}
}
return constr;
}