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#include <pch.hpp>
#include "cache.h"
#include "rowSet.h"
#include "rowProcessor.h"
#include "logger.h"
#include <boost/foreach.hpp>

Cache::Cache(const xmlpp::Element * p) :
	IHaveParameters(p),
	SourceObject(p),
	inherit(p->get_attribute_value("inherit") != "false")
{
}

bool Cache::checkAndExecute(const Glib::ustring & n, const Glib::ustring & f, const RowProcessor * rp)
{
	RowSetCPtr cached = getCachedRowSet(n, f, rp);
	if (cached) {
		try {
			Logger()->messagef(LOG_ERR, "Executing from cache");
			cached->execute(f, rp);
			return true;
		}
		catch (...) {
			Logger()->messagef(LOG_WARNING, "Cache failed");
		}
	}
	return false;
}

void
Cache::applyKeys(const boost::function2<void, const std::string &, const VariableType &> & f, const IHaveParameters * ps) const
{
	BOOST_FOREACH(const IHaveParameters::Parameters::value_type & p, allParameters()) {
		f(p.first, p.second);
	}
	if (inherit) {
		BOOST_FOREACH(const IHaveParameters::Parameters::value_type & p, ps->allParameters()) {
			f(p.first, p.second);
		}
	}
}