/// <summary>
/// 根据已经解析的SqlSchema，解析生成带数据的Update语句。
/// </summary>
/// <param name="sqlSchemata">已经解析的SqlSchema。</param>
/// <param name="domainModel">领域对象</param>
/// <param name="context">数据上下文</param>
/// <returns>Insert语句集合</returns>
private SqlStatementCollection ParseUpdateSqlDetail(SqlStatementCollection sqlSchemata, DomainModel.Spi.DomainModel domainModel, DomainModel.Spi.DomainObject domainObject,
DataContext dataContext, Dictionary<string, ShardingTarget> routeInfo)
{
var result = new SqlStatementCollection();
if (!dataContext.Data.ContainsKey(domainObject.ID))
{
return result;
}
var data = dataContext.Data[domainObject.ID];
if (data == null || data.Count == 0) return result;
var strategy = new UpdateSqlBuildStrategy();
for (int i = 0; i < dataContext.Data[domainObject.ID].Count; i++)
{
dataContext.CurrentDataIndex = i;
var context = new SqlBuildingContext(domainModel, domainObject, SQLBuilderUtils.GetCurrentDbType(), dataContext);
context.RouteInfo = routeInfo;
var rowSqls = new SqlStatementCollection();
var sqls = sqlSchemata.Where(s => s.SqlBuildingInfo.CurrentNode.ID == domainObject.ID).ToList();
rowSqls.AddRangeClone(sqls);
strategy.BuildTableSqlDetail(rowSqls, context);
result.AddRange(rowSqls);
}
return result;
}
/// <summary>
/// 解析生成Insert语句的主干部分。
/// </summary>
/// <param name="sqlSchemata">Insert语句的主干。</param>
/// <param name="co">通用中间对象。</param>
/// <param name="node">通用中间对象的节点。</param>
/// <returns>Insert语句的主干部分。</returns>
private void ParseUpdateSqlSchema(SqlStatementCollection sqlSchemata, DomainModel.Spi.DomainModel domainModel, DomainModel.Spi.DomainObject domainObject,
Dictionary<string, ShardingTarget> routeInfo, DataContext dataContext)
{
var updateStrategy = new UpdateSqlBuildStrategy();
var context = new SqlBuildingContext(domainModel, domainObject, SQLBuilderUtils.GetCurrentDbType());
context.RouteInfo = routeInfo;
if (dataContext.GetCurrentDataContextItem(domainObject.ID) != null)
{
var nodeSqlSchemata = updateStrategy.BuildTableSqlSchema(context);
sqlSchemata.AddRange(nodeSqlSchemata);
}
//递归处理子对象
if (context.Node.ChildDomainObjects.Count == 0) return;
foreach (var childModelObject in context.Node.ChildDomainObjects)
{
ParseUpdateSqlSchema(sqlSchemata, domainModel, childModelObject, routeInfo, dataContext);
}
}