public void bind() {
if (!bound) {
bound = true;
for (BindingUpdatable binding : bindings) {
binding.bind();
}
}
}
public void unbind() {
if (bound) {
for (BindingUpdatable binding : bindings) {
binding.unbind();
}
bound = false;
}
}
public void reverseUpdate() {
for (BindingUpdatable binding : bindings) {
binding.reverseUpdate();
}
}
public void update() {
for (BindingUpdatable binding : bindings) {
binding.update();
}
}
public void addBinding(BindingUpdatable binding) {
if (bound) binding.bind(); // bind is idempotent, so no state checking
bindings.add(binding);
}
