public ISelector CreateExceptSelector(string[] paths)
{
var exceptInfo = GetInfos(paths);
if (RootMapping.HasJoinRelateModel)
{
var jSelector = new JoinSelector();
foreach (var kvs in fieldInfoDict)
{
if (!exceptInfo.Contains(kvs.Value))
{
jSelector.SetAliasDataField(kvs.Value as AliasDataFieldInfo);
}
}
return(jSelector);
}
var nSelector = new Selector();
foreach (var kvs in fieldInfoDict)
{
if (!exceptInfo.Contains(kvs.Value))
{
nSelector.SetSelectField(kvs.Value);
}
}
return(nSelector);
}
public static JoinSelector ComposeSelector(Dictionary <string, Selector> selectors)
{
var joinSelector = new JoinSelector();
foreach (var selector in selectors)
{
foreach (var item in selector.Value.selectList)
{
var info = item;
var aliasName = $"{selector.Key}_{info.FieldName}";
var alias = new AliasDataFieldInfo(info, aliasName, selector.Key);
//alias.AliasTableName = selector.Key;
joinSelector.SetAliasDataField(alias);
}
}
return(joinSelector);
}
public static JoinSelector ComposeSelector(Dictionary <string, Selector> selectors)
{
JoinSelector joinSelector = new JoinSelector();
foreach (KeyValuePair <string, Selector> selector in selectors)
{
foreach (DataFieldInfo item in selector.Value.selectList)
{
DataFieldInfo info = item;
string aliasName = string.Format("{0}_{1}", selector.Key, info.FieldName);
AliasDataFieldInfo alias = new AliasDataFieldInfo(info, aliasName, selector.Key);
//alias.AliasTableName = selector.Key;
joinSelector.SetAliasDataField(alias);
}
}
return(joinSelector);
}
public override ISelector CreateSelector(string[] fullPaths)
{
Dictionary <string, List <string> > dict = new Dictionary <string, List <string> >();
foreach (string fullPath in fullPaths)
{
int index = fullPath.IndexOf(".", StringComparison.Ordinal);
if (index < 0)
{
if (mapDict.ContainsKey(fullPath))
{
if (!dict.TryGetValue(fullPath, out List <string> list))
{
list = new List <string>();
dict.Add(fullPath, list);
}
if (!list.Contains(string.Empty))
{
list.Add(string.Empty);
}
}
else
{
throw new LambdaParseException(LambdaParseMessage.ExpressionFieldPathError, fullPath);
}
}
else
{
string name = fullPath.Substring(0, index);
string path = fullPath.Substring(index);
if (mapDict.ContainsKey(name))
{
if (!dict.TryGetValue(name, out List <string> list))
{
list = new List <string>();
dict.Add(name, list);
}
if (!list.Contains(path))
{
list.Add(path);
}
}
else
{
throw new LambdaParseException(LambdaParseMessage.ExpressionFieldPathNotExists, fullPath);
}
}
}
Dictionary <string, Selector> selectDict = new Dictionary <string, Selector>();
foreach (KeyValuePair <string, List <string> > kvs in dict)
{
IMap map = mapDict[kvs.Key];
string alias = aliasDict[kvs.Key];
Selector selector = map.CreateSelector(kvs.Value.ToArray()) as Selector;
if (selector == null)
{
throw new LambdaParseException(LambdaParseMessage.NotSupportRelateEnityJoinSelect);
}
selectDict.Add(alias, selector);
}
JoinSelector joinSelector = Selector.ComposeSelector(selectDict);
return(joinSelector);
}
public ISelector CreateSelector(string[] paths)
{
var allPaths = RewritePaths(paths);
var hash = new HashSet <DataFieldInfo>();
var stable = new HashSet <string>();
foreach (var path in allPaths)
{
if (fieldInfoDict.TryGetValue(path, out var info))
{
if (!hash.Contains(info))
{
hash.Add(info);
var index = path.LastIndexOf('.');
if (index > 0)
{
var t = path.Substring(0, index);
if (!stable.Contains(t))
{
stable.Add(t);
var sInfos = GetFieldInfoForSingleField(t);
foreach (var sInfo in sInfos)
{
if (!hash.Contains(sInfo))
{
hash.Add(sInfo);
}
}
}
}
}
continue;
}
if (tableInfoDict.TryGetValue(path, out var tInfos))
{
foreach (var tInfo in tInfos)
{
stable.Add(path);
if (!hash.Contains(tInfo))
{
hash.Add(tInfo);
}
}
continue;
}
throw new LightDataException(string.Format(SR.CanNotFindTheSpecifiedFieldViaPath, path));
}
if (RootMapping.HasJoinRelateModel)
{
var jSelector = new JoinSelector();
foreach (var dataFieldInfo in hash)
{
var info = (AliasDataFieldInfo)dataFieldInfo;
jSelector.SetAliasDataField(info);
}
return(jSelector);
}
var nSelector = new Selector();
foreach (var item in hash)
{
nSelector.SetSelectField(item);
}
return(nSelector);
}
private void LoadJoinRelate()
{
LoadEntityMapping(RootMapping, null);
var joinSelector = new JoinSelector();
var items = new List <RelationItem>();
// var relationItemDict = new Dictionary<string, RelationItem>();
var tIndex = 0;
foreach (var link in linkList)
{
var sItems = link.GetRelationItems();
foreach (var item in sItems)
{
if (!items.Contains(item))
{
if (item.FieldMapping == null && tIndex != 0)
{
continue;
}
item.AliasName = "T" + tIndex;
tIndex++;
items.Add(item);
// relationItemDict.Add(item.CurrentFieldPath, item);
}
}
}
var rootItem = items[0];
mapDict.Add(items[0].CurrentFieldPath, items[0]);
var rootInfoList = new List <DataFieldInfo>();
foreach (var field in RootMapping.DataEntityFields)
{
var info = new DataFieldInfo(field);
var aliasName = $"{rootItem.AliasName}_{info.FieldName}";
var alias = new AliasDataFieldInfo(info, aliasName, rootItem.AliasName);
joinSelector.SetAliasDataField(alias);
rootInfoList.Add(alias);
fieldInfoDict.Add($"{items[0].CurrentFieldPath}.{field.IndexName}", alias);
}
tableInfoDict.Add(items[0].CurrentFieldPath, rootInfoList.ToArray());
for (var i = 1; i < items.Count; i++)
{
var mItem = items[i];
mapDict.Add(mItem.CurrentFieldPath, mItem);
var fieldMapping = mItem.FieldMapping;
var mapping = fieldMapping.RelateMapping;
DataFieldExpression expression = null;
var rItem = mapDict[mItem.PrevFieldPath];
var mAlias = rItem.AliasName;
var rAlias = mItem.AliasName;
var relations = fieldMapping.CreateDataFieldInfoRelations(mAlias, rAlias);
foreach (var relation in relations)
{
var mInfo = relation.MasterInfo;
var rInfo = relation.RelateInfo;
var keyExpression = new DataFieldOnMatchExpression(mInfo, rInfo, QueryPredicate.Eq);
expression = DataFieldExpression.And(expression, keyExpression);
}
var infoList = new List <DataFieldInfo>();
foreach (var field in mapping.DataEntityFields)
{
var info = new DataFieldInfo(field);
var aliasName = $"{rAlias}_{info.FieldName}";
var alias = new AliasDataFieldInfo(info, aliasName, rAlias);
joinSelector.SetAliasDataField(alias);
infoList.Add(alias);
fieldInfoDict.Add($"{mItem.CurrentFieldPath}.{field.Name}", alias);
}
tableInfoDict.Add(mItem.CurrentFieldPath, infoList.ToArray());
var connect = new JoinConnect(JoinType.LeftJoin, expression);
var model = new EntityJoinModel(mapping, rAlias, connect, null, null, JoinSetting.None);
selector = joinSelector;
models.Add(model);
}
}
void LoadJoinRelate()
{
LoadEntityMapping(this.rootMapping, null);
JoinSelector joinSelector = new JoinSelector();
List <RelationItem> items = new List <RelationItem>();
Dictionary <string, RelationItem> relationItemDict = new Dictionary <string, RelationItem>();
int tindex = 0;
foreach (RelationLink link in linkList)
{
RelationItem[] sitems = link.GetRelationItems();
foreach (RelationItem item in sitems)
{
if (!items.Contains(item))
{
if (item.FieldMapping == null && tindex != 0)
{
continue;
}
item.AliasName = "T" + tindex;
tindex++;
items.Add(item);
relationItemDict.Add(item.CurrentFieldPath, item);
}
}
}
//if (this.rootMapping != items [0].DataMapping) {
// throw new LightDataException (RE.RelationMapEntityMappingError);
//}
RelationItem rootItem = items[0];
mapDict.Add(items[0].CurrentFieldPath, items[0]);
List <DataFieldInfo> rootInfoList = new List <DataFieldInfo>();
foreach (DataFieldMapping field in this.rootMapping.DataEntityFields)
{
DataFieldInfo info = new DataFieldInfo(field);
string aliasName = string.Format("{0}_{1}", rootItem.AliasName, info.FieldName);
AliasDataFieldInfo alias = new AliasDataFieldInfo(info, aliasName, rootItem.AliasName);
//alias.AliasTablesName = rootItem.AliasName;
joinSelector.SetAliasDataField(alias);
rootInfoList.Add(alias);
fieldInfoDict.Add(string.Format("{0}.{1}", items[0].CurrentFieldPath, field.IndexName), alias);
}
tableInfoDict.Add(items[0].CurrentFieldPath, rootInfoList.ToArray());
for (int i = 1; i < items.Count; i++)
{
RelationItem mitem = items[i];
mapDict.Add(mitem.CurrentFieldPath, mitem);
SingleRelationFieldMapping fieldMapping = mitem.FieldMapping;
DataEntityMapping mapping = fieldMapping.RelateMapping;
DataFieldExpression expression = null;
//DataFieldInfoRelation [] relations = fieldMapping.GetDataFieldInfoRelations ();
RelationItem ritem = mapDict[mitem.PrevFieldPath];
string malias = ritem.AliasName;
string ralias = mitem.AliasName;
DataFieldInfoRelation[] relations = fieldMapping.CreateDataFieldInfoRelations(malias, ralias);
foreach (DataFieldInfoRelation relation in relations)
{
DataFieldInfo minfo = relation.MasterInfo;
//minfo.AliasTableName = malias;
DataFieldInfo rinfo = relation.RelateInfo;
//rinfo.AliasTableName = ralias;
DataFieldMatchExpression keyExpression = new DataFieldMatchExpression(minfo, rinfo, QueryPredicate.Eq);
expression = DataFieldExpression.And(expression, keyExpression);
//expression = DataFieldExpression.And (expression, minfo == rinfo);
}
List <DataFieldInfo> infoList = new List <DataFieldInfo>();
foreach (DataFieldMapping field in mapping.DataEntityFields)
{
DataFieldInfo info = new DataFieldInfo(field);
string aliasName = string.Format("{0}_{1}", ralias, info.FieldName);
AliasDataFieldInfo alias = new AliasDataFieldInfo(info, aliasName, ralias);
//alias.AliasTableName = ralias;
joinSelector.SetAliasDataField(alias);
infoList.Add(alias);
fieldInfoDict.Add(string.Format("{0}.{1}", mitem.CurrentFieldPath, field.Name), alias);
}
tableInfoDict.Add(mitem.CurrentFieldPath, infoList.ToArray());
JoinConnect connect = new JoinConnect(JoinType.LeftJoin, expression);
EntityJoinModel model = new EntityJoinModel(mapping, ralias, connect, null, null, JoinSetting.None);
this.selector = joinSelector;
this.models.Add(model);
}
}
