private IDataCommand ResolveCommand(XmlReader reader, MetadataFile provider, string @namespace, Action unrecognize)
{
//创建命令元素对象
var command = new MetadataCommand(provider,
this.GetFullName(reader.GetAttribute(XML_NAME_ATTRIBUTE), @namespace),
reader.GetAttribute(XML_ALIAS_ATTRIBUTE))
{
Type = this.GetAttributeValue(reader, XML_TYPE_ATTRIBUTE, DataCommandType.Procedure),
Alias = this.GetAttributeValue <string>(reader, XML_ALIAS_ATTRIBUTE),
Mutability = this.GetAttributeValue(reader, XML_MUTABILITY_ATTRIBUTE, CommandMutability.Delete | CommandMutability.Insert | CommandMutability.Update),
};
int depth = reader.Depth;
var path = reader.GetAttribute(XML_PATH_ATTRIBUTE);
while (reader.Read() && reader.Depth > depth)
{
if (reader.NodeType != XmlNodeType.Element)
{
continue;
}
switch (reader.LocalName)
{
case XML_PARAMETER_ELEMENT:
var parameter = new MetadataCommandParameter(command, reader.GetAttribute(XML_NAME_ATTRIBUTE), this.GetDbType(this.GetAttributeValue <string>(reader, XML_TYPE_ATTRIBUTE)))
{
Direction = this.GetAttributeValue(reader, XML_DIRECTION_ATTRIBUTE, value => GetDirection(value)),
Alias = this.GetAttributeValue <string>(reader, XML_ALIAS_ATTRIBUTE),
Length = this.GetAttributeValue <int>(reader, XML_LENGTH_ATTRIBUTE),
Value = this.GetAttributeValue <object>(reader, XML_VALUE_ATTRIBUTE),
};
//将解析成功的命令参数元素加入到命令的参数集合
command.Parameters.Add(parameter);
break;
case XML_SCRIPT_ELEMENT:
var driver = reader.GetAttribute(XML_DRIVER_ATTRIBUTE);
if (reader.Read() && (reader.NodeType == XmlNodeType.Text || reader.NodeType == XmlNodeType.CDATA))
{
command.Scriptor.SetScript(driver, reader.Value);
}
break;
default:
unrecognize();
break;
}
}
private IDataCommand ResolveCommand(XmlReader reader, MetadataFile provider, string @namespace, Action unrecognize)
{
//创建命令元素对象
var command = new MetadataCommand(provider,
this.GetFullName(reader.GetAttribute(XML_NAME_ATTRIBUTE), @namespace),
reader.GetAttribute(XML_ALIAS_ATTRIBUTE))
{
Type = this.GetAttributeValue(reader, XML_TYPE_ATTRIBUTE, DataCommandType.Procedure),
Text = this.GetAttributeValue <string>(reader, XML_TEXT_ATTRIBUTE),
};
int depth = reader.Depth;
while (reader.Read() && reader.Depth > depth)
{
if (reader.NodeType != XmlNodeType.Element)
{
continue;
}
switch (reader.LocalName)
{
case XML_PARAMETER_ELEMENT:
var parameter = new MetadataCommandParameter(command, reader.GetAttribute(XML_NAME_ATTRIBUTE), this.GetAttributeValue <Type>(reader, XML_TYPE_ATTRIBUTE))
{
Direction = this.GetAttributeValue(reader, XML_DIRECTION_ATTRIBUTE, System.Data.ParameterDirection.Input),
Alias = this.GetAttributeValue <string>(reader, XML_ALIAS_ATTRIBUTE),
Length = this.GetAttributeValue <int>(reader, XML_LENGTH_ATTRIBUTE),
Value = this.GetAttributeValue <object>(reader, XML_VALUE_ATTRIBUTE),
};
//将解析成功的命令参数元素加入到命令的参数集合
command.Parameters.Add(parameter);
break;
case XML_TEXT_ELEMENT:
if (reader.NodeType == XmlNodeType.CDATA || reader.NodeType == XmlNodeType.Text)
{
command.Text = reader.Value;
}
break;
default:
unrecognize();
break;
}
}
return(command);
}
