protected internal virtual Net.Vpc.Upa.Impl.Uql.Compiledexpression.CompiledEntityStatement CreateCompiledEntityStatement()
{
Net.Vpc.Upa.Persistence.ExpressionCompilerConfig config = new Net.Vpc.Upa.Persistence.ExpressionCompilerConfig();
string alias = null;
string ent = null;
if (query is Net.Vpc.Upa.Expressions.Select)
{
Net.Vpc.Upa.Expressions.Select d = (Net.Vpc.Upa.Expressions.Select)query;
string entityAlias = d.GetEntityAlias();
Net.Vpc.Upa.Expressions.EntityName entityName = (d.GetEntity() is Net.Vpc.Upa.Expressions.EntityName) ? ((Net.Vpc.Upa.Expressions.EntityName)d.GetEntity()) : null;
if (entityAlias != null)
{
alias = entityAlias;
ent = entityName == null ? null : entityName.GetName();
}
else
{
ent = entityName == null ? null : entityName.GetName();
alias = ent;
}
}
if (alias != null)
{
config.SetThisAlias(alias);
}
config.SetExpandFields(false);
config.SetExpandEntityFilter(false);
config.SetValidate(false);
return((Net.Vpc.Upa.Impl.Uql.Compiledexpression.CompiledEntityStatement)context.GetPersistenceUnit().GetExpressionManager().CompileExpression(query, config));
}
private System.Collections.Generic.IDictionary <string, Net.Vpc.Upa.Expressions.NameOrQuery> FindDeclarations(Net.Vpc.Upa.Expressions.QueryStatement queryStatement)
{
System.Collections.Generic.IDictionary <string, Net.Vpc.Upa.Expressions.NameOrQuery> names = new System.Collections.Generic.Dictionary <string, Net.Vpc.Upa.Expressions.NameOrQuery>();
if (queryStatement is Net.Vpc.Upa.Expressions.Select)
{
Net.Vpc.Upa.Expressions.Select s = (Net.Vpc.Upa.Expressions.Select)queryStatement;
if (!Net.Vpc.Upa.Impl.Util.StringUtils.IsNullOrEmpty(s.GetEntityAlias()))
{
names[s.GetEntityAlias()] = s.GetEntity();
}
else
{
string t = s.GetEntityName();
if (!Net.Vpc.Upa.Impl.Util.StringUtils.IsNullOrEmpty(t))
{
names[s.GetEntityAlias()] = s.GetEntity();
}
}
foreach (Net.Vpc.Upa.Expressions.JoinCriteria j in s.GetJoins())
{
if (!Net.Vpc.Upa.Impl.Util.StringUtils.IsNullOrEmpty(j.GetEntityAlias()))
{
names[j.GetEntityAlias()] = j.GetEntity();
}
else
{
string t = j.GetEntityName();
if (!Net.Vpc.Upa.Impl.Util.StringUtils.IsNullOrEmpty(t))
{
names[j.GetEntityAlias()] = j.GetEntity();
}
}
}
}
else if (queryStatement is Net.Vpc.Upa.Expressions.Union)
{
}
// do nothing
return(names);
}
public DefaultQuery(Net.Vpc.Upa.Expressions.EntityStatement query, Net.Vpc.Upa.Entity defaultEntity, Net.Vpc.Upa.Persistence.EntityExecutionContext context)
{
this.query = query;
if (defaultEntity != null)
{
if (query is Net.Vpc.Upa.Expressions.Select)
{
Net.Vpc.Upa.Expressions.Select select = (Net.Vpc.Upa.Expressions.Select)query;
if (select.GetEntity() == null)
{
select.From(defaultEntity.GetName());
}
}
else if (query is Net.Vpc.Upa.Expressions.Insert)
{
if (((Net.Vpc.Upa.Expressions.Insert)query).GetEntity() == null)
{
((Net.Vpc.Upa.Expressions.Insert)query).Into(defaultEntity.GetName());
}
}
else if (query is Net.Vpc.Upa.Expressions.Update)
{
if (((Net.Vpc.Upa.Expressions.Update)query).GetEntity() == null)
{
((Net.Vpc.Upa.Expressions.Update)query).Entity(defaultEntity.GetName());
}
}
else if (query is Net.Vpc.Upa.Expressions.Delete)
{
if (((Net.Vpc.Upa.Expressions.Delete)query).GetEntity() == null)
{
((Net.Vpc.Upa.Expressions.Delete)query).From(defaultEntity.GetName());
}
}
}
this.context = context;
// this.cquery = (CompiledEntityStatement) query.copy();
// this.defaultEntity = defaultEntity;
store = (Net.Vpc.Upa.Impl.Persistence.DefaultPersistenceStore)context.GetPersistenceStore();
}
public virtual bool Accept(Net.Vpc.Upa.Expressions.Expression expression)
{
if (typeof(Net.Vpc.Upa.Expressions.Select).IsInstanceOfType(expression))
{
Net.Vpc.Upa.Expressions.Select ss = (Net.Vpc.Upa.Expressions.Select)expression;
if (isUpdateComplexValuesStatementSupported)
{
if (ss.GetEntity() != null)
{
bool meFound = false;
string ssentityName = ss.GetEntityName();
if (ssentityName != null && ssentityName.Equals(entityName))
{
meFound = true;
}
if (!meFound)
{
foreach (Net.Vpc.Upa.Expressions.JoinCriteria join in ss.GetJoins())
{
string jentityName = join.GetEntityName();
if (jentityName != null && jentityName.Equals(entityName))
{
meFound = true;
}
}
}
if (meFound)
{
return(true);
}
}
}
else
{
return(true);
}
}
return(false);
}
protected internal virtual Net.Vpc.Upa.Impl.Uql.Compiledexpression.CompiledSelect CompileSelect(Net.Vpc.Upa.Expressions.Select v, Net.Vpc.Upa.Impl.Uql.ExpressionTranslationManager manager, Net.Vpc.Upa.Impl.Uql.ExpressionDeclarationList declarations)
{
if (v == null)
{
return(null);
}
Net.Vpc.Upa.Impl.Uql.Compiledexpression.CompiledSelect s = new Net.Vpc.Upa.Impl.Uql.Compiledexpression.CompiledSelect();
s.SetDistinct(v.IsDistinct());
s.SetTop(v.GetTop());
Net.Vpc.Upa.Impl.Uql.Compiledexpression.CompiledNameOrSelect nameOrSelect = (Net.Vpc.Upa.Impl.Uql.Compiledexpression.CompiledNameOrSelect)manager.TranslateAny(v.GetEntity(), declarations);
string entityAlias = v.GetEntityAlias();
System.Collections.Generic.HashSet <string> aliases = new System.Collections.Generic.HashSet <string>();
if (entityAlias == null)
{
if (nameOrSelect is Net.Vpc.Upa.Impl.Uql.Compiledexpression.CompiledEntityName)
{
entityAlias = ((Net.Vpc.Upa.Impl.Uql.Compiledexpression.CompiledEntityName)nameOrSelect).GetName();
}
else
{
entityAlias = "ALIAS";
}
int i = 0;
while (true)
{
string a2 = i == 0 ? entityAlias : (entityAlias + i);
if (!aliases.Contains(a2))
{
aliases.Add(a2);
entityAlias = a2;
break;
}
i++;
}
}
s.From(nameOrSelect, entityAlias);
for (int i = 0; i < v.CountJoins(); i++)
{
Net.Vpc.Upa.Expressions.JoinCriteria c = v.GetJoin(i);
Net.Vpc.Upa.Impl.Uql.Compiledexpression.CompiledNameOrSelect jnameOrSelect = (Net.Vpc.Upa.Impl.Uql.Compiledexpression.CompiledNameOrSelect)manager.TranslateAny(c.GetEntity(), declarations);
entityAlias = c.GetEntityAlias();
if (entityAlias == null)
{
if (nameOrSelect is Net.Vpc.Upa.Impl.Uql.Compiledexpression.CompiledEntityName)
{
entityAlias = ((Net.Vpc.Upa.Impl.Uql.Compiledexpression.CompiledEntityName)nameOrSelect).GetName();
}
else
{
entityAlias = "ALIAS";
}
i = 0;
while (true)
{
string a2 = i == 0 ? entityAlias : (entityAlias + i);
if (!aliases.Contains(a2))
{
aliases.Add(a2);
entityAlias = a2;
break;
}
i++;
}
}
Net.Vpc.Upa.Impl.Uql.Compiledexpression.CompiledJoinCriteria cc = new Net.Vpc.Upa.Impl.Uql.Compiledexpression.CompiledJoinCriteria(c.GetJoinType(), jnameOrSelect, entityAlias, manager.TranslateAny(c.GetCondition(), declarations));
s.Join(cc);
}
for (int i = 0; i < v.CountFields(); i++)
{
Net.Vpc.Upa.Expressions.QueryField field = v.GetField(i);
s.Field(manager.TranslateAny(field.GetExpression(), declarations), field.GetAlias());
}
s.Where(manager.TranslateAny(v.GetWhere(), declarations));
s.Having(manager.TranslateAny(v.GetHaving(), declarations));
for (int i = 0; i < v.CountGroupByItems(); i++)
{
Net.Vpc.Upa.Expressions.Expression c = v.GetGroupBy(i);
s.GroupBy(manager.TranslateAny(c, declarations));
}
for (int i = 0; i < v.CountOrderByItems(); i++)
{
Net.Vpc.Upa.Expressions.Expression c = v.GetOrderBy(i);
s.OrderBy(manager.TranslateAny(c, declarations), v.IsOrderAscending(i));
}
return(s);
}