protected internal virtual Net.Vpc.Upa.Impl.Uql.Compiledexpression.CompiledVar CompileVar(Net.Vpc.Upa.Expressions.Var v, Net.Vpc.Upa.Impl.Uql.ExpressionTranslationManager manager, Net.Vpc.Upa.Impl.Uql.ExpressionDeclarationList declarations)
{
if (v == null)
{
return(null);
}
Net.Vpc.Upa.Expressions.CompiledExpression p = null;
if (v.GetApplier() != null)
{
p = manager.TranslateAny(v.GetApplier(), declarations);
}
if (p == null)
{
return(new Net.Vpc.Upa.Impl.Uql.Compiledexpression.CompiledVar(v.GetName()));
}
else
{
Net.Vpc.Upa.Impl.Uql.Compiledexpression.CompiledVar r = new Net.Vpc.Upa.Impl.Uql.Compiledexpression.CompiledVar(v.GetName());
if (p is Net.Vpc.Upa.Impl.Uql.Compiledexpression.CompiledVar)
{
((Net.Vpc.Upa.Impl.Uql.Compiledexpression.CompiledVar)((Net.Vpc.Upa.Impl.Uql.Compiledexpression.CompiledVar)p).GetFinest()).SetChild(r);
return((Net.Vpc.Upa.Impl.Uql.Compiledexpression.CompiledVar)p);
}
else
{
throw new Net.Vpc.Upa.Exceptions.UPAException("Unsupported");
}
}
}
public virtual bool Visit(Net.Vpc.Upa.Expressions.Expression expression, Net.Vpc.Upa.Expressions.ExpressionTag tag)
{
foreach (Net.Vpc.Upa.Expressions.TaggedExpression cc in expression.GetChildren())
{
Net.Vpc.Upa.Expressions.Expression cce = cc.GetExpression();
if (cce != null)
{
if (cce is Net.Vpc.Upa.Expressions.UserExpression)
{
Net.Vpc.Upa.Expressions.Expression rr = expressionManager.ParseExpression(cce);
rr.Visit(this);
expression.SetChild(rr, cc.GetTag());
}
else if (cce is Net.Vpc.Upa.Expressions.Var)
{
Net.Vpc.Upa.Expressions.Var v = (Net.Vpc.Upa.Expressions.Var)cce;
if (v.GetApplier() == null && v.GetName().Equals("this"))
{
v.SetName(thisName);
}
}
}
}
return(true);
}
protected internal virtual Net.Vpc.Upa.Expressions.Expression EvalVar(Net.Vpc.Upa.Expressions.Var expression)
{
if (expression.GetApplier() == null)
{
//this is the very root
string name = expression.GetName();
if (vars.ContainsKey(name))
{
return(new Net.Vpc.Upa.Expressions.Literal(Net.Vpc.Upa.Impl.FwkConvertUtils.GetMapValue <string, object>(vars, name), null));
}
}
else
{
Net.Vpc.Upa.Expressions.Expression x = expression.GetApplier();
// no need for evalVar() in post order DFS
if (x is Net.Vpc.Upa.Expressions.Literal)
{
object v = ((Net.Vpc.Upa.Expressions.Literal)x).GetValue();
if (v == null)
{
return(Net.Vpc.Upa.Expressions.Literal.NULL);
}
else if (v is Net.Vpc.Upa.Record)
{
Net.Vpc.Upa.Record r = (Net.Vpc.Upa.Record)v;
return(new Net.Vpc.Upa.Expressions.Literal(r.GetObject <object>(expression.GetName()), null));
}
else if (v is System.Collections.IDictionary)
{
System.Collections.IDictionary r = (System.Collections.IDictionary)v;
return(new Net.Vpc.Upa.Expressions.Literal(Net.Vpc.Upa.Impl.FwkConvertUtils.GetMapValue0(r, expression.GetName()), null));
}
else
{
Net.Vpc.Upa.Entity entity = pu.GetEntity(v.GetType());
Net.Vpc.Upa.Field field = entity.GetField(expression.GetName());
Net.Vpc.Upa.Record r = entity.GetBuilder().ObjectToRecord(v);
return(new Net.Vpc.Upa.Expressions.Literal(r.GetObject <object>(field.GetName()), null));
}
}
}
return(expression);
}
public virtual bool Accept(Net.Vpc.Upa.Expressions.Expression expression)
{
if (expression is Net.Vpc.Upa.Expressions.Var)
{
Net.Vpc.Upa.Expressions.Var v = (Net.Vpc.Upa.Expressions.Var)expression;
if (v.GetApplier() == null && "this".Equals(v.GetName()))
{
v.SetName(oldAlias);
}
}
return(false);
}
protected internal virtual Net.Vpc.Upa.Impl.Uql.Compiledexpression.CompiledInsertSelection CompileInsertSelection(Net.Vpc.Upa.Expressions.InsertSelection 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.CompiledInsertSelection s = new Net.Vpc.Upa.Impl.Uql.Compiledexpression.CompiledInsertSelection();
s.Into(v.GetEntity().GetName());
for (int i = 0; i < v.CountFields(); i++)
{
Net.Vpc.Upa.Expressions.Var fvar = v.GetField(i);
s.Field(fvar.GetName());
}
s.From((Net.Vpc.Upa.Impl.Uql.Compiledexpression.CompiledQueryStatement)manager.TranslateAny(v.GetSelection(), declarations));
return(s);
}
protected internal virtual Net.Vpc.Upa.Impl.Uql.Compiledexpression.CompiledInsert CompileInsert(Net.Vpc.Upa.Expressions.Insert 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.CompiledInsert s = new Net.Vpc.Upa.Impl.Uql.Compiledexpression.CompiledInsert();
s.Into(v.GetEntity().GetName());
for (int i = 0; i < v.CountFields(); i++)
{
Net.Vpc.Upa.Expressions.Var fvar = v.GetField(i);
Net.Vpc.Upa.Expressions.Expression fvalue = v.GetFieldValue(i);
Net.Vpc.Upa.Impl.Uql.Compiledexpression.DefaultCompiledExpression vv = manager.TranslateAny(fvalue, declarations);
s.Set(fvar.GetName(), vv);
}
return(s);
}
protected internal virtual Net.Vpc.Upa.Impl.Uql.Compiledexpression.CompiledUpdate CompileUpdate(Net.Vpc.Upa.Expressions.Update 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.CompiledUpdate s = new Net.Vpc.Upa.Impl.Uql.Compiledexpression.CompiledUpdate();
s.Entity(v.GetEntity().GetName());
Net.Vpc.Upa.Entity entity = manager.GetPersistenceUnit().GetEntity(v.GetEntity().GetName());
for (int i = 0; i < v.CountFields(); i++)
{
Net.Vpc.Upa.Expressions.Var fvar = v.GetField(i);
Net.Vpc.Upa.Expressions.Expression fvalue = v.GetFieldValue(i);
s.Set(entity.GetField(fvar.GetName()), manager.TranslateAny(fvalue, declarations));
}
s.Where(manager.TranslateAny(v.GetCondition(), declarations));
return(s);
}
private void Init(Net.Vpc.Upa.Expressions.Expression ancestorExpression, Net.Vpc.Upa.Expressions.Expression childExpression, Net.Vpc.Upa.Expressions.Expression entityName)
{
if (entityName != null)
{
if (entityName is Net.Vpc.Upa.Expressions.EntityName)
{
this.entityName = (Net.Vpc.Upa.Expressions.EntityName)entityName;
}
else if (entityName is Net.Vpc.Upa.Expressions.Var)
{
Net.Vpc.Upa.Expressions.Var v = (Net.Vpc.Upa.Expressions.Var)entityName;
if (v.GetApplier() != null)
{
throw new Net.Vpc.Upa.Exceptions.IllegalArgumentException("Invalid EntityName");
}
this.entityName = new Net.Vpc.Upa.Expressions.EntityName(v.GetName());
}
else if (entityName is Net.Vpc.Upa.Expressions.Literal)
{
Net.Vpc.Upa.Expressions.Literal v = (Net.Vpc.Upa.Expressions.Literal)entityName;
if (!(v.GetValue() is string))
{
throw new Net.Vpc.Upa.Exceptions.IllegalArgumentException("Invalid EntityName");
}
this.entityName = new Net.Vpc.Upa.Expressions.EntityName((string)v.GetValue());
}
else
{
throw new Net.Vpc.Upa.Exceptions.IllegalArgumentException("Invalid EntityName");
}
}
else
{
this.entityName = new Net.Vpc.Upa.Expressions.EntityName("");
}
this.ancestorExpression = ancestorExpression;
this.childExpression = childExpression;
}
protected internal virtual System.Collections.Generic.IList <Net.Vpc.Upa.Persistence.ResultField> CreateResultFields(Net.Vpc.Upa.Expressions.Expression expression, string alias, Net.Vpc.Upa.Filters.FieldFilter fieldFilter, System.Collections.Generic.IList <Net.Vpc.Upa.Expressions.QueryStatement> context)
{
expression = expressionManager.ParseExpression(expression);
System.Collections.Generic.IList <Net.Vpc.Upa.Persistence.ResultField> results = new System.Collections.Generic.List <Net.Vpc.Upa.Persistence.ResultField>();
if (expression is Net.Vpc.Upa.Expressions.Var)
{
Net.Vpc.Upa.Expressions.Var v = (Net.Vpc.Upa.Expressions.Var)expression;
Net.Vpc.Upa.Expressions.Expression parent = v.GetApplier();
if (parent != null)
{
System.Collections.Generic.IList <Net.Vpc.Upa.Persistence.ResultField> parentResults = CreateResultFields(parent, null, fieldFilter, context);
int size = (parentResults).Count;
foreach (Net.Vpc.Upa.Persistence.ResultField p in parentResults)
{
if (size > 1)
{
v = (Net.Vpc.Upa.Expressions.Var)v.Copy();
}
if (p.GetExpression() != parent)
{
//change parent
v.SetApplier((Net.Vpc.Upa.Expressions.Var)p.GetExpression());
}
if (p.GetEntity() != null)
{
if (v.GetName().Equals("*"))
{
foreach (Net.Vpc.Upa.Field field in p.GetEntity().GetFields(fieldFilter))
{
results.Add(new Net.Vpc.Upa.Impl.Persistence.DefaultResultField(v, alias, field.GetDataType(), field, null));
}
}
else
{
Net.Vpc.Upa.Field field = p.GetEntity().GetField(v.GetName());
results.Add(new Net.Vpc.Upa.Impl.Persistence.DefaultResultField(v, alias, field.GetDataType(), field, null));
}
}
else if (p.GetField() != null)
{
if (p.GetField().GetDataType() is Net.Vpc.Upa.Types.ManyToOneType)
{
Net.Vpc.Upa.Entity entity = ((Net.Vpc.Upa.Types.ManyToOneType)p.GetField().GetDataType()).GetTargetEntity();
if (v.GetName().Equals("*"))
{
foreach (Net.Vpc.Upa.Field field in entity.GetFields(fieldFilter))
{
results.Add(new Net.Vpc.Upa.Impl.Persistence.DefaultResultField(v, alias, field.GetDataType(), field, null));
}
}
else
{
Net.Vpc.Upa.Field field = entity.GetField(v.GetName());
results.Add(new Net.Vpc.Upa.Impl.Persistence.DefaultResultField(v, alias, field.GetDataType(), field, null));
}
}
else
{
results.Add(new Net.Vpc.Upa.Impl.Persistence.DefaultResultField(v, alias, Net.Vpc.Upa.Types.TypesFactory.OBJECT, null, null));
}
}
else
{
results.Add(new Net.Vpc.Upa.Impl.Persistence.DefaultResultField(v, alias, Net.Vpc.Upa.Types.TypesFactory.OBJECT, null, null));
}
}
}
else
{
string name = v.GetName();
System.Collections.Generic.IDictionary <string, Net.Vpc.Upa.Expressions.NameOrQuery> declarations = FindDeclarations(context);
Net.Vpc.Upa.Expressions.NameOrQuery r = Net.Vpc.Upa.Impl.FwkConvertUtils.GetMapValue <string, Net.Vpc.Upa.Expressions.NameOrQuery>(declarations, name);
if (r != null)
{
if (r is Net.Vpc.Upa.Expressions.EntityName)
{
Net.Vpc.Upa.Entity entity = pu.GetEntity(((Net.Vpc.Upa.Expressions.EntityName)r).GetName());
results.Add(new Net.Vpc.Upa.Impl.Persistence.DefaultResultField(v, alias, entity.GetDataType(), null, entity));
}
else
{
results.Add(new Net.Vpc.Upa.Impl.Persistence.DefaultResultField(v, alias, Net.Vpc.Upa.Types.TypesFactory.OBJECT, null, null));
}
}
else
{
if ("*".Equals(name))
{
foreach (System.Collections.Generic.KeyValuePair <string, Net.Vpc.Upa.Expressions.NameOrQuery> entry in new System.Collections.Generic.HashSet <System.Collections.Generic.KeyValuePair <string, Net.Vpc.Upa.Expressions.NameOrQuery> >(declarations))
{
r = (entry).Value;
if (r is Net.Vpc.Upa.Expressions.EntityName)
{
Net.Vpc.Upa.Entity entity = pu.GetEntity(((Net.Vpc.Upa.Expressions.EntityName)r).GetName());
Net.Vpc.Upa.Field field = entity.FindField(name);
results.Add(new Net.Vpc.Upa.Impl.Persistence.DefaultResultField(v, alias, field.GetDataType(), field, null));
break;
}
}
}
else
{
Net.Vpc.Upa.Field field = null;
foreach (System.Collections.Generic.KeyValuePair <string, Net.Vpc.Upa.Expressions.NameOrQuery> entry in new System.Collections.Generic.HashSet <System.Collections.Generic.KeyValuePair <string, Net.Vpc.Upa.Expressions.NameOrQuery> >(declarations))
{
r = (entry).Value;
if (r is Net.Vpc.Upa.Expressions.EntityName)
{
Net.Vpc.Upa.Entity entity = pu.GetEntity(((Net.Vpc.Upa.Expressions.EntityName)r).GetName());
field = entity.FindField(name);
break;
}
}
if (field != null)
{
results.Add(new Net.Vpc.Upa.Impl.Persistence.DefaultResultField(v, alias, field.GetDataType(), field, null));
}
else
{
results.Add(new Net.Vpc.Upa.Impl.Persistence.DefaultResultField(v, alias, Net.Vpc.Upa.Types.TypesFactory.OBJECT, null, null));
}
}
}
}
return(results);
}
results.Add(new Net.Vpc.Upa.Impl.Persistence.DefaultResultField(expression, alias, Net.Vpc.Upa.Types.TypesFactory.OBJECT, null, null));
return(results);
}
