public synchronized void registerIfAbsent(ParameterizedTypeHandlerMap<T> other) {
if (!modifiable) {
throw new IllegalStateException("Attempted to modify an unmodifiable map.");
}
for (Map.Entry<Type, T> entry : other.userMap.entrySet()) {
if (!userMap.containsKey(entry.getKey())) {
register(entry.getKey(), entry.getValue(), false);
}
}
for (Map.Entry<Type, T> entry : other.systemMap.entrySet()) {
if (!systemMap.containsKey(entry.getKey())) {
register(entry.getKey(), entry.getValue(), true);
}
}
// Quite important to traverse the typeHierarchyList from stack bottom first since
// we want to register the handlers in the same order to preserve priority order
for (int i = other.userTypeHierarchyList.size() - 1; i >= 0; --i) {
Pair<Class<?>, T> entry = other.userTypeHierarchyList.get(i);
int index = getIndexOfSpecificHandlerForTypeHierarchy(entry.first, userTypeHierarchyList);
if (index < 0) {
registerForTypeHierarchy(entry, false);
}
}
for (int i = other.systemTypeHierarchyList.size() - 1; i >= 0; --i) {
Pair<Class<?>, T> entry = other.systemTypeHierarchyList.get(i);
int index = getIndexOfSpecificHandlerForTypeHierarchy(entry.first, systemTypeHierarchyList);
if (index < 0) {
registerForTypeHierarchy(entry, true);
}
}
}
public synchronized void registerIfAbsent(Type typeOfT, T value) {
if (!modifiable) {
throw new IllegalStateException("Attempted to modify an unmodifiable map.");
}
if (!userMap.containsKey(typeOfT)) {
register(typeOfT, value, false);
}
}
private static <T> void registerIfAbsent(
Class<?> type, ParameterizedTypeHandlerMap<T> adapters, T adapter) {
if (!adapters.hasSpecificHandlerFor(type)) {
adapters.register(type, adapter, false);
}
}
