public <T> T getInformalParameter(String name, Class<T> type) {
Binding binding = getBinding(name);
Object value = binding == null ? null : binding.get();
return elementResources.coerce(value, type);
}
public Messages getMessages() {
if (messages == null) {
// This kind of lazy loading pattern is acceptable without locking.
// Changes to the messages field are atomic; in some race conditions, the call to
// getMessages() may occur more than once (but it caches the value anyway).
messages = elementResources.getMessages(componentModel);
}
return messages;
}
private void createRenderVariablesPerThreadValue() {
try {
upgradeReadLockToWriteLock();
if (renderVariables == null) {
renderVariables = elementResources.createPerThreadValue();
}
} finally {
downgradeWriteLockToReadLock();
}
}