+ActivityImpl::~ActivityImpl()
+{
+ clean_action();
+ XBT_DEBUG("Destroy activity %p", this);
+}
+
+void ActivityImpl::clean_action()
+{
+ if (surf_action_) {
+ surf_action_->unref();
+ surf_action_ = nullptr;
+ }
+}
+
+double ActivityImpl::get_remaining() const
+{
+ return surf_action_ ? surf_action_->get_remains() : 0;
+}
+
+void ActivityImpl::suspend()
+{
+ if (surf_action_ == nullptr)
+ return;
+ XBT_VERB("This activity is suspended (remain: %f)", surf_action_->get_remains());
+ surf_action_->suspend();
+ on_suspended(*this);
+}
+
+void ActivityImpl::resume()
+{
+ if (surf_action_ == nullptr)
+ return;
+ XBT_VERB("This activity is resumed (remain: %f)", surf_action_->get_remains());
+ surf_action_->resume();
+ on_resumed(*this);
+}
+
+void ActivityImpl::cancel()
+{
+ XBT_VERB("Activity %p is canceled", this);
+ if (surf_action_ != nullptr)
+ surf_action_->cancel();
+ state_ = SIMIX_CANCELED;
+}