protected internal virtual Net.Vpc.Upa.Impl.Uql.Compiledexpression.CompiledLessThan CompileLessThan(Net.Vpc.Upa.Expressions.LessThan 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.DefaultCompiledExpression left = manager.TranslateAny(v.GetLeft(), declarations);
Net.Vpc.Upa.Impl.Uql.Compiledexpression.DefaultCompiledExpression right = manager.TranslateAny(v.GetRight(), declarations);
Net.Vpc.Upa.Impl.Uql.Compiledexpression.CompiledLessThan s = new Net.Vpc.Upa.Impl.Uql.Compiledexpression.CompiledLessThan(left, right);
// s.setDeclarationList(declarations);
return(s);
}
public virtual Net.Vpc.Upa.Expressions.Expression RecordToExpression(Net.Vpc.Upa.Record record, string alias) /* throws Net.Vpc.Upa.Exceptions.UPAException */
{
if (record == null)
{
return(null);
}
Net.Vpc.Upa.Expressions.Expression a = null;
foreach (System.Collections.Generic.KeyValuePair <string, object> entry in record.EntrySet())
{
string key = (entry).Key;
object @value = (entry).Value;
Net.Vpc.Upa.Field field = GetEntity().GetField(key);
if (!field.IsUnspecifiedValue(@value))
{
Net.Vpc.Upa.Expressions.Expression e = null;
Net.Vpc.Upa.Expressions.Var p = new Net.Vpc.Upa.Expressions.Var(Net.Vpc.Upa.Impl.Util.StringUtils.IsNullOrEmpty(alias) ? GetEntity().GetName() : alias);
switch (field.GetSearchOperator())
{
case Net.Vpc.Upa.SearchOperator.DEFAULT:
case Net.Vpc.Upa.SearchOperator.EQ:
{
if (field.GetDataType() is Net.Vpc.Upa.Types.ManyToOneType)
{
Net.Vpc.Upa.Types.ManyToOneType et = (Net.Vpc.Upa.Types.ManyToOneType)field.GetDataType();
Net.Vpc.Upa.Key foreignKey = et.GetRelationship().GetTargetRole().GetEntity().GetBuilder().ObjectToKey(@value);
Net.Vpc.Upa.Expressions.Expression b = null;
int i = 0;
foreach (Net.Vpc.Upa.Field df in et.GetRelationship().GetSourceRole().GetFields())
{
e = new Net.Vpc.Upa.Expressions.Equals(new Net.Vpc.Upa.Expressions.Var((Net.Vpc.Upa.Expressions.Var)p.Copy(), df.GetName()), Net.Vpc.Upa.Expressions.ExpressionFactory.ToLiteral(foreignKey.GetObjectAt(i)));
b = b == null ? ((Net.Vpc.Upa.Expressions.Expression)(b)) : new Net.Vpc.Upa.Expressions.And(b, e);
i++;
}
}
else
{
e = new Net.Vpc.Upa.Expressions.Equals(new Net.Vpc.Upa.Expressions.Var(p, key), Net.Vpc.Upa.Expressions.ExpressionFactory.ToLiteral(@value));
}
break;
}
case Net.Vpc.Upa.SearchOperator.NE:
{
e = new Net.Vpc.Upa.Expressions.Different(new Net.Vpc.Upa.Expressions.Var(p, key), Net.Vpc.Upa.Expressions.ExpressionFactory.ToLiteral(@value));
break;
}
case Net.Vpc.Upa.SearchOperator.GT:
{
e = new Net.Vpc.Upa.Expressions.GreaterThan(new Net.Vpc.Upa.Expressions.Var(p, key), Net.Vpc.Upa.Expressions.ExpressionFactory.ToLiteral(@value));
break;
}
case Net.Vpc.Upa.SearchOperator.GTE:
{
e = new Net.Vpc.Upa.Expressions.GreaterEqualThan(new Net.Vpc.Upa.Expressions.Var(p, key), Net.Vpc.Upa.Expressions.ExpressionFactory.ToLiteral(@value));
break;
}
case Net.Vpc.Upa.SearchOperator.LT:
{
e = new Net.Vpc.Upa.Expressions.LessThan(new Net.Vpc.Upa.Expressions.Var(p, key), Net.Vpc.Upa.Expressions.ExpressionFactory.ToLiteral(@value));
break;
}
case Net.Vpc.Upa.SearchOperator.LTE:
{
e = new Net.Vpc.Upa.Expressions.LessEqualThan(new Net.Vpc.Upa.Expressions.Var(p, key), Net.Vpc.Upa.Expressions.ExpressionFactory.ToLiteral(@value));
break;
}
case Net.Vpc.Upa.SearchOperator.CONTAINS:
{
e = new Net.Vpc.Upa.Expressions.Like(new Net.Vpc.Upa.Expressions.Var(p, key), Net.Vpc.Upa.Expressions.ExpressionFactory.ToLiteral("%" + @value + "%"));
break;
}
case Net.Vpc.Upa.SearchOperator.STARTS_WITH:
{
e = new Net.Vpc.Upa.Expressions.Like(new Net.Vpc.Upa.Expressions.Var(p, key), Net.Vpc.Upa.Expressions.ExpressionFactory.ToLiteral(@value + "%"));
break;
}
case Net.Vpc.Upa.SearchOperator.ENDS_WITH:
{
e = new Net.Vpc.Upa.Expressions.Like(new Net.Vpc.Upa.Expressions.Var(p, key), Net.Vpc.Upa.Expressions.ExpressionFactory.ToLiteral("%" + @value));
break;
}
}
if (e != null)
{
a = a == null ? ((Net.Vpc.Upa.Expressions.Expression)(e)) : new Net.Vpc.Upa.Expressions.And(a, e);
}
}
}
return(a);
}
private object GetNavigateKey(Net.Vpc.Upa.Entity entity, object id, char @operator) /* throws Net.Vpc.Upa.Exceptions.UPAException */
{
System.Collections.Generic.IList <Net.Vpc.Upa.Field> pk = entity.GetPrimaryFields();
if ((pk).Count == 1)
{
Net.Vpc.Upa.Expressions.Select s = new Net.Vpc.Upa.Expressions.Select().From(entity.GetName());
s.From(entity.GetName());
string fieldName = pk[0].GetName();
if (id != null)
{
object[] @value = entity.GetBuilder().IdToKey(id).GetValue();
if (@operator == '<')
{
s.Field(new Net.Vpc.Upa.Expressions.Max(new Net.Vpc.Upa.Expressions.Var(fieldName)), "next");
s.SetWhere(new Net.Vpc.Upa.Expressions.LessThan(new Net.Vpc.Upa.Expressions.Var(fieldName), new Net.Vpc.Upa.Expressions.Param(null, @value[0])));
}
else if (@operator == '>')
{
s.Field(new Net.Vpc.Upa.Expressions.Min(new Net.Vpc.Upa.Expressions.Var(fieldName)), "next");
s.SetWhere(new Net.Vpc.Upa.Expressions.GreaterThan(new Net.Vpc.Upa.Expressions.Var(fieldName), new Net.Vpc.Upa.Expressions.Param(null, @value[0])));
}
else
{
throw new System.Exception("WouldNeverBeThrownException");
}
}
else
{
if (@operator == '<')
{
s.Field(new Net.Vpc.Upa.Expressions.Min(new Net.Vpc.Upa.Expressions.Var(fieldName)), "next");
}
else if (@operator == '>')
{
s.Field(new Net.Vpc.Upa.Expressions.Max(new Net.Vpc.Upa.Expressions.Var(fieldName)), "next");
}
else
{
throw new System.Exception("WouldNeverBeThrownException");
}
}
Net.Vpc.Upa.Record next = entity.GetPersistenceUnit().CreateQuery(s).GetRecord();
if (next != null)
{
object o = next.GetObject <T>("next");
if (o != null)
{
return(entity.CreateId(o));
}
}
return(null);
}
else
{
object[] v;
Net.Vpc.Upa.Expressions.Select sb = new Net.Vpc.Upa.Expressions.Select();
sb.Top(1);
foreach (Net.Vpc.Upa.Field aPk in pk)
{
sb.Field(new Net.Vpc.Upa.Expressions.Var(aPk.GetName()));
}
sb.From(entity.GetName());
if (id != null)
{
object[] @value = entity.GetBuilder().IdToKey(id).GetValue();
Net.Vpc.Upa.Expressions.Expression or = null;
for (int i = 0; i < (pk).Count; i++)
{
Net.Vpc.Upa.Field pki = pk[i];
Net.Vpc.Upa.Expressions.Expression a = null;
for (int j = 0; j < i; j++)
{
Net.Vpc.Upa.Field pkj = pk[j];
Net.Vpc.Upa.Expressions.Expression e = (new Net.Vpc.Upa.Expressions.Equals(new Net.Vpc.Upa.Expressions.Var(pkj.GetName()), (new Net.Vpc.Upa.Expressions.Param(null, @value[j]))));
a = (a == null) ? ((Net.Vpc.Upa.Expressions.Expression)(e)) : new Net.Vpc.Upa.Expressions.And(a, e);
}
Net.Vpc.Upa.Expressions.Expression e2 = new Net.Vpc.Upa.Expressions.LessThan(new Net.Vpc.Upa.Expressions.Var(pki.GetName()), new Net.Vpc.Upa.Expressions.Param(null, @value[i]));
a = (a == null) ? ((Net.Vpc.Upa.Expressions.Expression)(e2)) : new Net.Vpc.Upa.Expressions.And(a, e2);
or = or == null ? ((Net.Vpc.Upa.Expressions.Expression)(a)) : new Net.Vpc.Upa.Expressions.Or(or, a);
}
sb.SetWhere(or);
}
foreach (Net.Vpc.Upa.Field aPk in pk)
{
sb.OrderBy(new Net.Vpc.Upa.Expressions.Var(aPk.GetName()), @operator == '>');
}
Net.Vpc.Upa.Record r = entity.GetPersistenceUnit().CreateQuery(sb).GetRecord();
if (r != null)
{
object[] k = new object[(pk).Count];
for (int i = 0; i < k.Length; i++)
{
k[i] = r.GetObject <T>(pk[i].GetName());
}
return(entity.CreateId(k));
}
}
return(null);
}
