public virtual Net.Vpc.Upa.Key ExtractKey(Net.Vpc.Upa.Record sourceRecord)
{
switch (GetSourceRole().GetRelationshipUpdateType())
{
case Net.Vpc.Upa.RelationshipUpdateType.COMPOSED:
{
object targetEntityVal = sourceRecord.GetObject <T>(GetSourceRole().GetEntityField().GetName());
if (targetEntityVal == null)
{
return(null);
}
Net.Vpc.Upa.EntityBuilder targetConverter = GetTargetRole().GetEntity().GetBuilder();
return(targetConverter.ObjectToKey(targetEntityVal));
}
case Net.Vpc.Upa.RelationshipUpdateType.FLAT:
{
System.Collections.Generic.IList <Net.Vpc.Upa.Field> relFields = GetSourceRole().GetFields();
System.Collections.Generic.List <object> keys = new System.Collections.Generic.List <object>((relFields).Count);
foreach (Net.Vpc.Upa.Field field in relFields)
{
object keyPart = sourceRecord.GetObject <T>(field.GetName());
if (keyPart == null)
{
return(null);
}
keys.Add(keyPart);
}
return(GetTargetRole().GetEntity().CreateKey(keys.ToArray()));
}
}
return(null);
}
public virtual Net.Vpc.Upa.Impl.Persistence.QueryExecutor Execute() /* throws Net.Vpc.Upa.Exceptions.UPAException */
{
int c1 = 0;
int c2 = 0;
string oldAlias = baseExpression.GetEntityAlias();
if (oldAlias == null)
{
oldAlias = entity.GetName();
}
bool replaceThis = !"this".Equals(oldAlias);
if (baseExpression.CountFields() > 0)
{
if (replaceThis)
{
Net.Vpc.Upa.Impl.Uql.Util.UQLUtils.ReplaceThisVar(baseExpression, oldAlias, context.GetPersistenceUnit());
}
c1 = defaultPersistenceStore.CreateDefaultExecutor(baseExpression, parametersByName, parametersByIndex, updatable, defaultFieldFilter, context).Execute().GetResultCount();
}
if ((complexVals).Count > 0)
{
Net.Vpc.Upa.Expressions.Select q = new Net.Vpc.Upa.Expressions.Select();
foreach (Net.Vpc.Upa.Field primaryField in entity.GetPrimaryFields())
{
q.Field(primaryField.GetName());
}
foreach (Net.Vpc.Upa.Expressions.VarVal f in complexVals)
{
Net.Vpc.Upa.Expressions.Expression fieldExpression = f.GetVal();
if (replaceThis)
{
Net.Vpc.Upa.Impl.Uql.Util.UQLUtils.ReplaceThisVar(fieldExpression, oldAlias, context.GetPersistenceUnit());
}
q.Field(fieldExpression, f.GetVar().GetName());
}
q.From(entity.GetName(), oldAlias);
Net.Vpc.Upa.Expressions.Expression cond = baseExpression.GetCondition();
q.SetWhere(cond == null ? null : cond.Copy());
Net.Vpc.Upa.EntityBuilder eb = entity.GetBuilder();
foreach (Net.Vpc.Upa.Record record in entity.GetPersistenceUnit().CreateQuery(q).GetRecordList())
{
Net.Vpc.Upa.Expressions.Update u2 = new Net.Vpc.Upa.Expressions.Update();
u2.Entity(entityName);
foreach (Net.Vpc.Upa.Expressions.VarVal f in complexVals)
{
string fname = f.GetVar().GetName();
u2.Set(fname, record.GetObject <T>(fname));
}
Net.Vpc.Upa.Expressions.Expression exprId = eb.ObjectToIdExpression(record, oldAlias);
u2.Where(exprId);
c2 += defaultPersistenceStore.CreateDefaultExecutor(u2, parametersByName, parametersByIndex, updatable, defaultFieldFilter, context).Execute().GetResultCount();
}
}
resultCount = System.Math.Max(c1, c2);
return(this);
}
public ComposedToFlatFieldPersister(Net.Vpc.Upa.Field field)
{
this.field = field;
Net.Vpc.Upa.Types.ManyToOneType t = (Net.Vpc.Upa.Types.ManyToOneType)field.GetDataType();
Net.Vpc.Upa.Entity master = t.GetRelationship().GetTargetRole().GetEntity();
Net.Vpc.Upa.RelationshipRole detailRole = t.GetRelationship().GetSourceRole();
flatFields = detailRole.GetFields();
relationshipTargetConverter = master.GetBuilder();
}
public virtual object ExtractIdByEntityField(Net.Vpc.Upa.Record sourceRecord)
{
object targetEntityVal = sourceRecord.GetObject <T>(GetSourceRole().GetEntityField().GetName());
if (targetEntityVal == null)
{
return(null);
}
Net.Vpc.Upa.EntityBuilder targetConverter = GetTargetRole().GetEntity().GetBuilder();
return(targetConverter.ObjectToId(targetEntityVal));
}
public TypeInfo(string binding, Net.Vpc.Upa.Entity entity)
{
this.binding = binding;
int dotPos = binding == null ? -1 : binding.LastIndexOf('.');
if (dotPos > 0)
{
this.parentBinding = binding.Substring(0, dotPos);
this.bindingName = binding.Substring(dotPos + 1);
}
this.entity = entity;
if (entity != null)
{
entityFactory = entity.GetBuilder();
entityConverter = entity.GetBuilder();
entityType = entity.GetEntityType();
}
}
public virtual int Update(Net.Vpc.Upa.Entity entity, Net.Vpc.Upa.Persistence.EntityExecutionContext context, Net.Vpc.Upa.Record updates, Net.Vpc.Upa.Expressions.Expression condition) /* throws Net.Vpc.Upa.Exceptions.UPAException */
{
Net.Vpc.Upa.Expressions.Update u = new Net.Vpc.Upa.Expressions.Update().Entity(entity.GetName());
foreach (string fieldName in updates.KeySet())
{
Net.Vpc.Upa.Field f = entity.FindField(fieldName);
if (f != null && Net.Vpc.Upa.Impl.Util.Filters.Fields2.UPDATE.Accept(f))
{
object @value = updates.GetObject <T>(fieldName);
if ((f.GetDataType() is Net.Vpc.Upa.Types.ManyToOneType))
{
Net.Vpc.Upa.Types.ManyToOneType e = (Net.Vpc.Upa.Types.ManyToOneType)f.GetDataType();
if (e.IsUpdatable())
{
Net.Vpc.Upa.Entity masterEntity = context.GetPersistenceUnit().GetEntity(e.GetTargetEntityName());
Net.Vpc.Upa.EntityBuilder mbuilder = masterEntity.GetBuilder();
if (@value is Net.Vpc.Upa.Expressions.Expression)
{
Net.Vpc.Upa.Expressions.Expression evalue;
System.Collections.Generic.IList <Net.Vpc.Upa.Field> sfields = e.GetRelationship().GetSourceRole().GetFields();
System.Collections.Generic.IList <Net.Vpc.Upa.Field> tfields = e.GetRelationship().GetTargetRole().GetFields();
for (int i = 0; i < (sfields).Count; i++)
{
Net.Vpc.Upa.Field fk = sfields[i];
Net.Vpc.Upa.Field fid = tfields[i];
evalue = ((Net.Vpc.Upa.Expressions.Expression)@value).Copy();
evalue = context.GetPersistenceUnit().GetExpressionManager().ParseExpression(evalue);
if (evalue is Net.Vpc.Upa.Expressions.Select)
{
Net.Vpc.Upa.Expressions.Select svalue = (Net.Vpc.Upa.Expressions.Select)evalue;
if (svalue.CountFields() != 1)
{
throw new System.Exception("Invalid Expression " + svalue + " as formula for field " + f.GetAbsoluteName());
}
if (svalue.GetField(0).GetExpression() is Net.Vpc.Upa.Expressions.Var)
{
svalue.GetField(0).SetExpression(new Net.Vpc.Upa.Expressions.Var((Net.Vpc.Upa.Expressions.Var)svalue.GetField(0).GetExpression(), fid.GetName()));
}
else
{
throw new System.Exception("Invalid Expression " + svalue + " as formula for field " + f.GetAbsoluteName());
}
}
else if (evalue is Net.Vpc.Upa.Expressions.Var)
{
evalue = (new Net.Vpc.Upa.Expressions.Var((Net.Vpc.Upa.Expressions.Var)evalue, fk.GetName()));
}
else if (evalue is Net.Vpc.Upa.Expressions.Param)
{
}
else if (evalue is Net.Vpc.Upa.Expressions.Literal)
{
}
else
{
throw new System.Exception("Invalid Expression " + evalue + " as formula for field " + f.GetAbsoluteName());
}
u.Set(fk.GetName(), evalue);
}
}
else
{
Net.Vpc.Upa.Key k = null;
if (@value is Net.Vpc.Upa.Record)
{
k = mbuilder.RecordToKey((Net.Vpc.Upa.Record)@value);
}
else
{
k = mbuilder.ObjectToKey(@value);
}
int x = 0;
foreach (Net.Vpc.Upa.Field fk in e.GetRelationship().GetSourceRole().GetFields())
{
u.Set(fk.GetName(), new Net.Vpc.Upa.Expressions.Param(fk.GetName(), k == null ? null : k.GetObjectAt(x)));
x++;
}
}
}
}
else
{
Net.Vpc.Upa.Expressions.Expression expression = (@value is Net.Vpc.Upa.Expressions.Expression) ? ((Net.Vpc.Upa.Expressions.Expression)((Net.Vpc.Upa.Expressions.Expression)@value)) : new Net.Vpc.Upa.Expressions.Param(null, @value);
u.Set(fieldName, expression);
}
}
}
u.Where(condition);
return(context.GetPersistenceStore().CreateQuery(u, context).ExecuteNonQuery());
}
