@Override
public void disable() {
CompositeRegistration reg = myCell.get(DISABLE_REG);
if (reg != null) {
reg.remove();
}
}
@Override
public void addDisableRegistration(Registration disableReg) {
CompositeRegistration reg = myCell.get(DISABLE_REG);
if (reg == null) {
reg = new CompositeRegistration();
Registration propReg = myCell.set(DISABLE_REG, reg);
reg.add(propReg);
}
reg.add(disableReg);
}