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DynamicAny improvements (now holds any type out-of-the-box), some refactoring and documentation improvements

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This commit is contained in:
Aleksandar Fabijanic
2008-06-30 00:26:54 +00:00
parent e0bb9c162b
commit b1f895eed8
14 changed files with 331 additions and 776 deletions
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26
Data/src/Row.cpp
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@@ -64,13 +64,17 @@ Row::Row(NameVecPtr pNames, const RowFormatterPtr& pFormatter):
setFormatter(pFormatter);
// It would be logical for row to be started with empty values
// however, Row sortability at all times is an invariant, hence
// we must start with all zeros here. If null values are later
// retrieved from DB, the DynamicAny::empty() call
// should be used to empty the corresponding Row value
_values.resize(_pNames->size(), 0);
addSortField(0);
NameVec::size_type sz = _pNames->size();
if (sz)
{
_values.resize(sz);
// Row sortability at all times is an invariant, hence
// we must start with a zero here. If null value is later
// retrieved from DB, the DynamicAny::empty() call
// should be used to empty the corresponding Row value.
_values[0] = 0;
addSortField(0);
}
}
@@ -122,7 +126,11 @@ void Row::addSortField(std::size_t pos)
}
ComparisonType ct;
if ((_values[pos].type() == typeid(Poco::Int8)) ||
if (_values[pos].isEmpty())
{
throw InvalidAccessException("Empty value not sortable.");
}
else if ((_values[pos].type() == typeid(Poco::Int8)) ||
(_values[pos].type() == typeid(Poco::UInt8)) ||
(_values[pos].type() == typeid(Poco::Int16)) ||
(_values[pos].type() == typeid(Poco::UInt16)) ||
@@ -184,7 +192,7 @@ void Row::replaceSortField(std::size_t oldPos, std::size_t newPos)
if (_values[newPos].isEmpty())
{
throw IllegalStateException("Empty value not sortable.");
throw InvalidAccessException("Empty value not sortable.");
}
else if ((_values[newPos].type() == typeid(Poco::Int8)) ||
(_values[newPos].type() == typeid(Poco::UInt8)) ||