/// <summary>
/// Returns an <see cref="XmlReader"/> object that provides an XML view of the set's data.
/// </summary>
/// <param name="settings">An <see cref="XmlMappingSettings"/> object that customizes the mapping.</param>
/// <returns>An <see cref="XmlReader"/> object.</returns>
public XmlReader AsXml(XmlMappingSettings settings)
{
return(new XmlMappingReader(
this.Connection.Map <IDataRecord>(GetDefiningQuery(clone: true), r => r, this.Log).GetEnumerator(),
settings,
(XmlReaderSettings)null
));
}
public XmlMappingReader(
IEnumerator <IDataRecord> enumerator,
XmlMappingSettings mappingSettings,
XmlReaderSettings readerSettings)
{
if (enumerator == null)
{
throw new ArgumentNullException("enumerator");
}
mappingSettings = mappingSettings ?? XmlMappingSettings.Defaults;
this.enumerator = enumerator;
this._Settings = readerSettings ?? closeInputSettings;
this.xsiNil = mappingSettings.NullHandling == XmlNullHandling.IncludeNilAttribute;
this.xsiType = mappingSettings.TypeAnnotation == XmlTypeAnnotation.XmlSchema;
this.tableName = mappingSettings.CollectionName;
this.rowName = mappingSettings.ItemName;
}
/// <summary>
/// Maps the results of the <paramref name="query"/> to XML.
/// The query is deferred-executed.
/// </summary>
/// <param name="query">The query.</param>
/// <param name="settings">An <see cref="XmlMappingSettings"/> object that customizes the mapping.</param>
/// <returns>An <see cref="XmlReader"/> object.</returns>
public XmlReader MapXml(SqlBuilder query, XmlMappingSettings settings)
{
return(CreateCommand(query).MapXml(settings, this.Log));
}
public void Xml()
{
var query = SQL
.SELECT("p.ProductID, p.ProductName")
._("c.CategoryID AS Category$CategoryID")
._("c.CategoryName AS Category$CategoryName")
._("p.UnitPrice")
.FROM("Products p")
.LEFT_JOIN("Categories c ON p.CategoryID = c.CategoryID")
.WHERE("ProductID < {0}", 3);
var settings = new XmlMappingSettings {
CollectionName = new XmlQualifiedName("Products", "http://example.com/ns/Store"),
ItemName = "Product",
NullHandling = XmlNullHandling.IncludeNilAttribute,
TypeAnnotation = XmlTypeAnnotation.XmlSchema
};
using (XmlReader reader = conn.MapXml(query, settings, log)) {
using (XmlWriter writer = XmlWriter.Create(log, new XmlWriterSettings { Indent = true })) {
while (!reader.EOF)
writer.WriteNode(reader, defattr: true);
}
}
}
/// <summary>
/// Maps the results of the <paramref name="query"/> to XML.
/// The query is deferred-executed.
/// </summary>
/// <param name="connection">The connection.</param>
/// <param name="query">The query.</param>
/// <param name="settings">An <see cref="XmlMappingSettings"/> object that customizes the mapping.</param>
/// <param name="logger">A <see cref="TextWriter"/> used to log when the command is executed.</param>
/// <returns>An <see cref="XmlReader"/> object.</returns>
public static XmlReader MapXml(this DbConnection connection, SqlBuilder query, XmlMappingSettings settings, TextWriter logger)
{
return(connection.CreateCommand(query).MapXml(settings, logger));
}
/// <summary>
/// Maps the results of the <paramref name="query"/> to XML.
/// The query is deferred-executed.
/// </summary>
/// <param name="connection">The connection.</param>
/// <param name="query">The query.</param>
/// <param name="settings">An <see cref="XmlMappingSettings"/> object that customizes the mapping.</param>
/// <returns>An <see cref="XmlReader"/> object.</returns>
public static XmlReader MapXml(this DbConnection connection, SqlBuilder query, XmlMappingSettings settings)
{
return connection.CreateCommand(query).MapXml(settings);
}
public XmlMappingReader(
IEnumerator<IDataRecord> enumerator,
XmlMappingSettings mappingSettings,
XmlReaderSettings readerSettings)
{
if (enumerator == null) throw new ArgumentNullException("enumerator");
mappingSettings = mappingSettings ?? XmlMappingSettings.Defaults;
this.enumerator = enumerator;
this._Settings = readerSettings ?? closeInputSettings;
this.xsiNil = mappingSettings.NullHandling == XmlNullHandling.IncludeNilAttribute;
this.xsiType = mappingSettings.TypeAnnotation == XmlTypeAnnotation.XmlSchema;
this.tableName = mappingSettings.CollectionName;
this.rowName = mappingSettings.ItemName;
}
/// <summary>
/// Maps the results of the <paramref name="query"/> to XML.
/// The query is deferred-executed.
/// </summary>
/// <param name="connection">The connection.</param>
/// <param name="query">The query.</param>
/// <param name="settings">An <see cref="XmlMappingSettings"/> object that customizes the mapping.</param>
/// <param name="logger">A <see cref="TextWriter"/> used to log when the command is executed.</param>
/// <returns>An <see cref="XmlReader"/> object.</returns>
public static XmlReader MapXml(this DbConnection connection, SqlBuilder query, XmlMappingSettings settings, TextWriter logger)
{
return MapXml(q => connection.CreateCommand(q), query, settings, logger);
}
internal static XmlReader MapXml(Func<SqlBuilder, IDbCommand> queryToCommand, SqlBuilder query, XmlMappingSettings settings, TextWriter logger)
{
if (query.HasIgnoredColumns) {
if (settings == null) {
settings = new XmlMappingSettings();
}
foreach (int item in query.IgnoredColumns) {
settings.IgnoredColumns.Add(item);
}
}
return MapXml(queryToCommand(query), settings, logger);
}
/// <summary>
/// Maps the results of the <paramref name="command"/> to XML.
/// The query is deferred-executed.
/// </summary>
/// <param name="command">The query command.</param>
/// <param name="settings">An <see cref="XmlMappingSettings"/> object that customizes the mapping.</param>
/// <param name="logger">A <see cref="TextWriter"/> used to log when the command is executed.</param>
/// <returns>An <see cref="XmlReader"/> object.</returns>
public static XmlReader MapXml(this IDbCommand command, XmlMappingSettings settings, TextWriter logger)
{
return new XmlMappingReader(command.Map(r => r, logger).GetEnumerator(), settings, (XmlReaderSettings)null);
}
/// <summary>
/// Maps the results of the <paramref name="query"/> to XML.
/// The query is deferred-executed.
/// </summary>
/// <param name="connection">The connection.</param>
/// <param name="query">The query.</param>
/// <param name="settings">An <see cref="XmlMappingSettings"/> object that customizes the mapping.</param>
/// <returns>An <see cref="XmlReader"/> object.</returns>
public static XmlReader MapXml(this DbConnection connection, SqlBuilder query, XmlMappingSettings settings)
{
return MapXml(connection, query, settings, (TextWriter)null);
}
/// <summary>
/// Maps the results of the <paramref name="command"/> to XML.
/// The query is deferred-executed.
/// </summary>
/// <param name="command">The query command.</param>
/// <param name="settings">An <see cref="XmlMappingSettings"/> object that customizes the mapping.</param>
/// <returns>An <see cref="XmlReader"/> object.</returns>
public static XmlReader MapXml(this IDbCommand command, XmlMappingSettings settings)
{
return MapXml(command, settings, (TextWriter)null);
}
/// <summary>
/// Maps the results of the <paramref name="query"/> to XML.
/// The query is deferred-executed.
/// </summary>
/// <param name="query">The query.</param>
/// <param name="settings">An <see cref="XmlMappingSettings"/> object that customizes the mapping.</param>
/// <returns>An <see cref="XmlReader"/> object.</returns>
public XmlReader MapXml(SqlBuilder query, XmlMappingSettings settings)
{
return Extensions.MapXml(q => CreateCommand(q), query, settings, this.Log);
}
/// <summary>
/// Returns an <see cref="XmlReader"/> object that provides an XML view of the set's data.
/// </summary>
/// <param name="settings">An <see cref="XmlMappingSettings"/> object that customizes the mapping.</param>
/// <returns>An <see cref="XmlReader"/> object.</returns>
public XmlReader AsXml(XmlMappingSettings settings)
{
return new XmlMappingReader(
this.Connection.Map<IDataRecord>(GetDefiningQuery(clone: true), r => r, this.Log).GetEnumerator(),
settings,
(XmlReaderSettings)null
);
}
/// <summary>
/// Maps the results of the <paramref name="command"/> to XML.
/// The query is deferred-executed.
/// </summary>
/// <param name="command">The query command.</param>
/// <param name="settings">An <see cref="XmlMappingSettings"/> object that customizes the mapping.</param>
/// <returns>An <see cref="XmlReader"/> object.</returns>
public static XmlReader MapXml(this IDbCommand command, XmlMappingSettings settings)
{
return(MapXml(command, settings, (TextWriter)null));
}
/// <summary>
/// Returns an <see cref="XmlReader"/> object that provides an XML view of the set's data.
/// </summary>
/// <param name="settings">An <see cref="XmlMappingSettings"/> object that customizes the mapping.</param>
/// <returns>An <see cref="XmlReader"/> object.</returns>
public XmlReader AsXml(XmlMappingSettings settings)
{
return Extensions.MapXml(q => CreateCommand(q), GetDefiningQuery(), settings, this.Log);
}
/// <summary>
/// Maps the results of the <paramref name="command"/> to XML.
/// The query is deferred-executed.
/// </summary>
/// <param name="command">The query command.</param>
/// <param name="settings">An <see cref="XmlMappingSettings"/> object that customizes the mapping.</param>
/// <param name="logger">A <see cref="TextWriter"/> used to log when the command is executed.</param>
/// <returns>An <see cref="XmlReader"/> object.</returns>
public static XmlReader MapXml(this IDbCommand command, XmlMappingSettings settings, TextWriter logger)
{
return(new XmlMappingReader(command.Map(r => r, logger).GetEnumerator(), settings, (XmlReaderSettings)null));
}
/// <summary>
/// Maps the results of the <paramref name="query"/> to XML.
/// The query is deferred-executed.
/// </summary>
/// <param name="query">The query.</param>
/// <param name="settings">An <see cref="XmlMappingSettings"/> object that customizes the mapping.</param>
/// <returns>An <see cref="XmlReader"/> object.</returns>
public XmlReader MapXml(SqlBuilder query, XmlMappingSettings settings)
{
return CreateCommand(query).MapXml(settings, this.Log);
}
