C++ (Cpp) ProxyObjectPtr::isAggregate示例

void ProxyEntity::initializeToProxy(const ProxyObjectPtr &ppo) {
    assert( ppo );
    assert( !mProxy || (mProxy->getObjectReference() == ppo->getObjectReference()) );

    setIsAggregate(ppo->isAggregate());
    /**
       FIXME: ADDING AND REMOVING LISTENERS COULD INVALIDATE ITERATORS
     */
    if (mProxy) {
        mProxy->ProxyObjectProvider::removeListener(this);
        mProxy->PositionProvider::removeListener(this);
        mProxy->MeshProvider::removeListener(this);
    }
    mProxy = ppo;
    mProxy->ProxyObjectProvider::addListener(this);
    mProxy->PositionProvider::addListener(this);
    mProxy->MeshProvider::addListener(this);
    checkDynamic();
}