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change RowFormatter* to RowFormatterPtr

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Modified all uses of RowFormatter pointer to SharedPtr (RowFormatterPtr)
This commit is contained in:
aleks-f 2013-04-03 19:19:29 -05:00
parent a3873cbb5f
commit 1021b792b7
5 changed files with 41 additions and 20 deletions
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24
Data/include/Poco/Data/RecordSet.h
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@ -98,21 +98,39 @@ public:
static const std::size_t UNKNOWN_TOTAL_ROW_COUNT;
explicit RecordSet(const Statement& rStatement,
RowFormatter* pRowFormatter = 0);
RowFormatterPtr pRowFormatter = 0);
/// Creates the RecordSet.
explicit RecordSet(Session& rSession,
const std::string& query,
RowFormatter* pRowFormatter = 0);
RowFormatterPtr pRowFormatter = 0);
/// Creates the RecordSet.
explicit RecordSet(Session& rSession,
const std::string& query,
const RowFormatter& rowFormatter);
/// Creates the RecordSet.
template <class RF>
RecordSet(Session& rSession, const std::string& query, const RF& rowFormatter):
Statement((rSession << query, now)),
_currentRow(0),
_pBegin(new RowIterator(this, 0 == rowsExtracted())),
_pEnd(new RowIterator(this, true)),
_pFilter(0),
_totalRowCount(UNKNOWN_TOTAL_ROW_COUNT)
/// Creates the RecordSet.
{
setRowFormatter(Keywords::format(rowFormatter));
}
RecordSet(const RecordSet& other);
/// Copy-creates the recordset.
~RecordSet();
/// Destroys the RecordSet.
void setRowFormatter(RowFormatter* pRowFormatter);
void setRowFormatter(RowFormatterPtr pRowFormatter);
/// Assigns the row formatter to the statement and all recordset rows.
Statement& operator = (const Statement& stmt);

9
Data/include/Poco/Data/RowFormatter.h
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@ -232,13 +232,15 @@ inline void RowFormatter::setMode(Mode mode)
}
typedef SharedPtr<RowFormatter> RowFormatterPtr;
namespace Keywords {
template <typename T>
inline T* format(const T& formatter)
inline RowFormatterPtr format(const T& formatter)
/// Utility function used to pass formatter to the statement.
/// Statement takes the ownership of the formatter.
{
return new T(formatter);
}
@ -247,9 +249,6 @@ inline T* format(const T& formatter)
} // namespace Keywords
typedef SharedPtr<RowFormatter> RowFormatterPtr;
} } // namespace Poco::Data

8
Data/include/Poco/Data/Statement.h
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@ -250,7 +250,7 @@ public:
///
/// Set per default to zero to Limit::LIMIT_UNLIMITED, which disables the limit.
Statement& operator , (RowFormatter* pRowFformatter);
Statement& operator , (RowFormatterPtr pRowFformatter);
/// Sets the row formatter for the statement.
Statement& operator , (const Range& extrRange);
@ -401,7 +401,7 @@ public:
/// Returns false if the current data set index points to the last
/// data set. Otherwise, it returns true.
void setRowFormatter(RowFormatter* pRowFormatter);
void setRowFormatter(RowFormatterPtr pRowFormatter);
/// Sets the row formatter for this statement.
/// Statement takes the ownership of the formatter.
@ -545,7 +545,7 @@ inline void Data_API reset(Statement& statement)
// inlines
//
inline Statement& Statement::operator , (RowFormatter* pRowFformatter)
inline Statement& Statement::operator , (RowFormatterPtr pRowFformatter)
{
_pRowFormatter = pRowFformatter;
return *this;
@ -811,7 +811,7 @@ inline bool Statement::isAsync() const
}
inline void Statement::setRowFormatter(RowFormatter* pRowFormatter)
inline void Statement::setRowFormatter(RowFormatterPtr pRowFormatter)
{
_pRowFormatter = pRowFormatter;
}

14
Data/samples/RowFormatter/src/RowFormatter.cpp
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@ -49,6 +49,7 @@ using Poco::Data::Session;
using Poco::Data::Statement;
using Poco::Data::RecordSet;
using Poco::Data::RowFormatter;
using Poco::Data::RowFormatterPtr;
class HTMLTableFormatter : public RowFormatter
@ -103,15 +104,18 @@ public:
int main(int argc, char** argv)
{
// register SQLite connector
Poco::Data::SQLite::Connector::registerConnector();
// create a session
Session session("SQLite", "sample.db");
// drop sample table, if it exists
session << "DROP TABLE IF EXISTS Simpsons", now;
// (re)create table
session << "CREATE TABLE Simpsons (Name VARCHAR(30), Address VARCHAR, Age INTEGER(3), Birthday DATE)", now;
// insert some rows
DateTime hd(1956, 3, 1);
session << "INSERT INTO Simpsons VALUES('Homer Simpson', 'Springfield', 42, ?)", use(hd), now;
@ -121,7 +125,7 @@ int main(int argc, char** argv)
session << "INSERT INTO Simpsons VALUES('Bart Simpson', 'Springfield', 12, ?)", use(hd), now;
hd.assign(1982, 5, 9);
session << "INSERT INTO Simpsons VALUES('Lisa Simpson', 'Springfield', 10, ?)", use(hd), now;
// create a statement and print the column names and data as HTML table
HTMLTableFormatter tf;
Statement stmt = (session << "SELECT * FROM Simpsons", format(tf), now);
@ -129,8 +133,8 @@ int main(int argc, char** argv)
std::cout << rs << std::endl;
// Note: The code above is divided into individual steps for clarity purpose.
// The four lines can be reduced to the following single line of code:
std::cout << RecordSet(session, "SELECT * FROM Simpsons", new HTMLTableFormatter);
// The four lines can be reduced to the following single line:
std::cout << RecordSet(session, "SELECT * FROM Simpsons", HTMLTableFormatter());
// simple formatting example (uses the default SimpleRowFormatter provided by framework)
std::cout << std::endl << "Simple formatting:" << std::endl << std::endl;

6
Data/src/RecordSet.cpp
View File

@ -55,7 +55,7 @@ const std::size_t RecordSet::UNKNOWN_TOTAL_ROW_COUNT = std::numeric_limits<std::
RecordSet::RecordSet(const Statement& rStatement,
RowFormatter* pRowFormatter):
RowFormatterPtr pRowFormatter):
Statement(rStatement),
_currentRow(0),
_pBegin(new RowIterator(this, 0 == rowsExtracted())),
@ -69,7 +69,7 @@ RecordSet::RecordSet(const Statement& rStatement,
RecordSet::RecordSet(Session& rSession,
const std::string& query,
RowFormatter* pRowFormatter):
RowFormatterPtr pRowFormatter):
Statement((rSession << query, now)),
_currentRow(0),
_pBegin(new RowIterator(this, 0 == rowsExtracted())),
@ -309,7 +309,7 @@ bool RecordSet::moveLast()
}
void RecordSet::setRowFormatter(RowFormatter* pRowFormatter)
void RecordSet::setRowFormatter(RowFormatterPtr pRowFormatter)
{
pRowFormatter->setTotalRowCount(static_cast<int>(getTotalRowCount()));
Statement::setRowFormatter(pRowFormatter);