/**
* Check if a methodTree is overriden.
*
* @return true if overriden, null if it cannot be decided (method symbol not resolved or lack of
* bytecode for super types).
*/
@CheckForNull
public Boolean isOverriding() {
if (isStatic() || isPrivate()) {
return false;
}
if (isAnnotatedOverride()) {
return true;
}
if (symbol == null) {
return null;
}
JavaSymbol.MethodJavaSymbol methodJavaSymbol = symbol.overriddenSymbol();
if (methodJavaSymbol != null) {
return methodJavaSymbol.isUnknown() ? null : true;
}
return false;
}
