public bool StructMetaTableByXML(XmlNode pTable, EnumDBStandard pDBStandard, List <string> pList)
{
string sDBStandard = "";
switch (pDBStandard)
{
case EnumDBStandard.XJBZ:
sDBStandard = "XJBZ";
break;
case EnumDBStandard.SJBZ:
sDBStandard = "SJBZ";
break;
case EnumDBStandard.XZJBZ:
sDBStandard = "XZJBZ";
break;
case EnumDBStandard.ALL:
default:
break;
}
XmlAttributeCollection pAttributeCollection = pTable.Attributes;
m_pMetaDataFilds = new List <MetaDataField>();
///如果没有属性集合则返回
if (pAttributeCollection == null || pAttributeCollection.Count <= 0)
{
return(false);
}
///获取表名称
XmlAttribute pTableAttribute = pAttributeCollection["Name"];
if (pTableAttribute != null)
{
this.m_strTableName = pTableAttribute.Value;
}
///获取要素代码
pTableAttribute = pAttributeCollection["Code"];
if (pTableAttribute != null)
{
this.m_strFeatureCode = pTableAttribute.Value;
}
///获取要素类型
pTableAttribute = pAttributeCollection["GeometryType"];
if (pTableAttribute != null)
{
this.m_strType = pTableAttribute.Value;
}
///获取属性表名称
pTableAttribute = pAttributeCollection["AtrTBName"];
if (pTableAttribute != null)
{
this.m_strAtrTableName = pTableAttribute.Value;
}
///获取约束条件 与分类 暂时不需要
///2011-9-11添加过滤条件
if (pList != null && !pList.Contains(m_strAtrTableName))
{
return(false);
}
///获取图形表现编码
pTableAttribute = pAttributeCollection["GraphPerformance"];
if (pTableAttribute != null)
{
this.m_strGraPerformance = pTableAttribute.Value;
}
for (int i = 0; i < pTable.ChildNodes.Count; i++)
{
XmlNode pTableSubNode = pTable.ChildNodes[i];
//处理字段信息
if (pTableSubNode.Name == "FIELDS")
{
///读表格属性信息构造配置表对象
foreach (XmlNode pFiled in pTableSubNode.ChildNodes)
{
XmlAttribute pVersion = pFiled.Attributes["Versions"];
if (pVersion != null && !pVersion.Value.ToString().Contains(sDBStandard))
{
////如果该表不属于当前级别的数据库标准
continue;
}
else
{
///获取字段信息
MetaDataField pMetaDataField = GetMetaTableFieldByXMLAtr(pFiled.Attributes);
if (pMetaDataField != null)
{
this.m_pMetaDataFilds.Add(pMetaDataField);
if (pMetaDataField.FiledType == EnumFieldType.EntityID)
{
m_strEntityIDFiledName = pMetaDataField.Code;
}
else if (pMetaDataField.FiledType == EnumFieldType.YSDM)
{
m_strYSDMFiledName = pMetaDataField.Code;
}
}
}
}
}
//处理关联要素信息
else if (pTableSubNode.Name == "TABLELINKS")
{
foreach (XmlNode pTableLinkItem in pTableSubNode.ChildNodes)
{
XmlAttribute pTableLinkNameAttr = pTableLinkItem.Attributes["TableName"];
XmlAttribute pTableLinkCodeAttr = pTableLinkItem.Attributes["Code"];
if (pTableLinkNameAttr != null && pTableLinkCodeAttr != null)
{
m_LinkFeatureCode.Add(pTableLinkCodeAttr.Value);
}
}
}
}
return(true);
}
/// <summary>
/// 获取表中的字段信息（没有做版本判断）
/// </summary>
/// <param name="pFieldAtrrCollection"></param>
/// <returns></returns>
private MetaDataField GetMetaTableFieldByXMLAtr(XmlAttributeCollection pFieldAtrrCollection)
{
if (pFieldAtrrCollection == null || pFieldAtrrCollection.Count <= 0)
{
return(null);
}
MetaDataField pMetaDataField = new MetaDataField();
///获取表名称
XmlAttribute pAttribute = pFieldAtrrCollection["Name"];
if (pAttribute != null)
{
pMetaDataField.Name = pAttribute.Value;
}
///获取要素代码
pAttribute = pFieldAtrrCollection["Code"];
if (pAttribute != null)
{
pMetaDataField.Code = pAttribute.Value;
}
///获取字段类型
pAttribute = pFieldAtrrCollection["Type"];
if (pAttribute != null)
{
pMetaDataField.Type = pAttribute.Value;
}
///获取字段长度
pAttribute = pFieldAtrrCollection["Length"];
if (pAttribute != null)
{
if (pAttribute.Value != "" && pAttribute.Value != null)
{
int nLength = -1;
if (VCTFile.ConvertToInt32(pAttribute.Value, out nLength))
{
pMetaDataField.Length = nLength;
}
}
}
///获取字段精度
pAttribute = pFieldAtrrCollection["Precision"];
if (pAttribute != null)
{
int nPresion = -1;
if (pAttribute.Value != "" && pAttribute.Value != null)
{
if (VCTFile.ConvertToInt32(pAttribute.Value, out nPresion))
{
pMetaDataField.Presion = nPresion;
}
}
}
///获取要素代码字段
pAttribute = pFieldAtrrCollection["FieldType"];
if (pAttribute != null)
{
EnumFieldType pEnumType = EnumFieldType.Other;
switch (pAttribute.Value)
{
case "bsm":
pEnumType = EnumFieldType.EntityID;
break;
case "ysdm":
pEnumType = EnumFieldType.YSDM;
break;
case "other":
pEnumType = EnumFieldType.Other;
break;
default:
break;
}
pMetaDataField.FiledType = pEnumType;
}
///获取约束条件 与值域 对照表 暂时不需要
return(pMetaDataField);
}
/// <summary>
/// 获取表中的字段信息（没有做版本判断）
/// </summary>
/// <param name="pFieldAtrrCollection"></param>
/// <returns></returns>
private MetaDataField GetMetaTableFieldByXMLAtr(XmlAttributeCollection pFieldAtrrCollection)
{
if (pFieldAtrrCollection == null || pFieldAtrrCollection.Count <= 0)
return null;
MetaDataField pMetaDataField = new MetaDataField();
///获取表名称
XmlAttribute pAttribute = pFieldAtrrCollection["Name"];
if (pAttribute != null)
pMetaDataField.Name = pAttribute.Value;
///获取要素代码
pAttribute = pFieldAtrrCollection["Code"];
if (pAttribute != null)
pMetaDataField.Code = pAttribute.Value;
///获取字段类型
pAttribute = pFieldAtrrCollection["Type"];
if (pAttribute != null)
pMetaDataField.Type = pAttribute.Value;
///获取字段长度
pAttribute = pFieldAtrrCollection["Length"];
if (pAttribute != null)
{
if (pAttribute.Value != "" && pAttribute.Value != null)
{
int nLength=-1;
if (VCTFile.ConvertToInt32(pAttribute.Value, out nLength))
pMetaDataField.Length = nLength;
}
}
///获取字段精度
pAttribute = pFieldAtrrCollection["Precision"];
if (pAttribute != null)
{
int nPresion = -1;
if (pAttribute.Value != "" && pAttribute.Value != null)
{
if (VCTFile.ConvertToInt32(pAttribute.Value,out nPresion))
pMetaDataField.Presion = nPresion;
}
}
///获取要素代码字段
pAttribute = pFieldAtrrCollection["FieldType"];
if (pAttribute != null)
{
EnumFieldType pEnumType = EnumFieldType.Other;
switch (pAttribute.Value)
{
case "bsm":
pEnumType = EnumFieldType.EntityID;
break;
case "ysdm":
pEnumType = EnumFieldType.YSDM;
break;
case "other":
pEnumType = EnumFieldType.Other;
break;
default:
break;
}
pMetaDataField.FiledType = pEnumType;
}
///获取约束条件 与值域 对照表 暂时不需要
return pMetaDataField;
}
