void TrackingSyncSource::checkStatus(SyncSourceReport &changes)
{
    // use the most reliable (and most expensive) method by default
    ChangeMode mode = CHANGES_FULL;

    // assume that we do a regular sync, with reusing stored information
    // if possible
    string oldRevision = m_metaNode->readProperty("databaseRevision");
    if (!oldRevision.empty()) {
        string newRevision = databaseRevision();
        SE_LOG_DEBUG(this, NULL, "old database revision '%s', new revision '%s'",
                     oldRevision.c_str(),
                     newRevision.c_str());
        if (newRevision == oldRevision) {
            SE_LOG_DEBUG(this, NULL, "revisions match, no item changes");
            mode = CHANGES_NONE;
        }
    }
    if (mode == CHANGES_FULL) {
        SE_LOG_DEBUG(this, NULL, "using full item scan to detect changes");
    }

    detectChanges(*m_trackingNode, mode);

    // copy our item counts into the report
    changes.setItemStat(ITEM_LOCAL, ITEM_ADDED, ITEM_TOTAL, getNewItems().size());
    changes.setItemStat(ITEM_LOCAL, ITEM_UPDATED, ITEM_TOTAL, getUpdatedItems().size());
    changes.setItemStat(ITEM_LOCAL, ITEM_REMOVED, ITEM_TOTAL, getDeletedItems().size());
    changes.setItemStat(ITEM_LOCAL, ITEM_ANY, ITEM_TOTAL, getAllItems().size());
}
Esempio n. 2
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int main(){
	height = 5, width = 5;
	freopen("rays.in", "r", stdin);
	initialize();
	getInputAtoms();
	getHitOrder();
	detectChanges();
	printBoard();
}
void TrackingSyncSource::beginSync(const std::string &lastToken, const std::string &resumeToken)
{
    // use the most reliable (and most expensive) method by default
    ChangeMode mode = CHANGES_FULL;

    // resume token overrides the normal token; safe to ignore in most
    // cases and this detectChanges() is done independently of the
    // token, but let's do it right here anyway
    string token;
    if (!resumeToken.empty()) {
        token = resumeToken;
    } else {
        token = lastToken;
    }
    // slow sync if token is empty
    if (token.empty()) {
        SE_LOG_DEBUG(this, NULL, "slow sync or testing, do full item scan to detect changes");
        mode = CHANGES_SLOW;
    } else {
        string oldRevision = m_metaNode->readProperty("databaseRevision");
        if (!oldRevision.empty()) {
            string newRevision = databaseRevision();
            SE_LOG_DEBUG(this, NULL, "old database revision '%s', new revision '%s'",
                         oldRevision.c_str(),
                         newRevision.c_str());
            if (newRevision == oldRevision) {
                SE_LOG_DEBUG(this, NULL, "revisions match, no item changes");
                mode = CHANGES_NONE;
            }

            // Reset old revision. If anything goes wrong, then we
            // don't want to rely on a possibly incorrect optimization.
            m_metaNode->setProperty("databaseRevision", "");
            m_metaNode->flush();
        }
    }
    if (mode == CHANGES_FULL) {
        SE_LOG_DEBUG(this, NULL, "using full item scan to detect changes");
    }

    detectChanges(*m_trackingNode, mode);
}