protected virtual void Init()
{
start = 0;
end = 0;
// for instance, only manage index for one field query using 'equal'
if (classInfo.HasIndex() && query.HasCriteria() && CanUseIndex(query.GetCriteria(
)))
{
NeoDatis.Tool.Wrappers.List.IOdbList <string> fields = query.GetAllInvolvedFields(
);
if (fields.IsEmpty())
{
useIndex = false;
}
else
{
int[] fieldIds = GetAllInvolvedFieldIds(fields);
classInfoIndex = classInfo.GetIndexForAttributeIds(fieldIds);
if (classInfoIndex != null)
{
useIndex = true;
}
}
}
// Keep the detail
details = GetDetails();
}
/// <exception cref="System.Exception"></exception>
public virtual void TestReuse()
{
string baseName = GetBaseName();
NeoDatis.Odb.ODB odb = Open(baseName);
System.Collections.Generic.IList <NeoDatis.Odb.Test.VO.Login.Profile> profiles = new
System.Collections.Generic.List <NeoDatis.Odb.Test.VO.Login.Profile>();
profiles.Add(new NeoDatis.Odb.Test.VO.Login.Profile("p1", new NeoDatis.Odb.Test.VO.Login.Function
("f1")));
profiles.Add(new NeoDatis.Odb.Test.VO.Login.Profile("p2", new NeoDatis.Odb.Test.VO.Login.Function
("f2")));
NeoDatis.Odb.Test.Query.Criteria.ClassB cb = new NeoDatis.Odb.Test.Query.Criteria.ClassB
("name", profiles);
odb.Store(cb);
odb.Close();
odb = Open(baseName);
NeoDatis.Odb.Test.VO.Login.Profile p = (NeoDatis.Odb.Test.VO.Login.Profile)odb.GetObjects
(typeof(NeoDatis.Odb.Test.VO.Login.Profile)).GetFirst();
NeoDatis.Odb.Impl.Core.Query.Criteria.CriteriaQuery query = odb.CriteriaQuery(typeof(
NeoDatis.Odb.Test.Query.Criteria.ClassB), NeoDatis.Odb.Core.Query.Criteria.Where
.Equal("profiles", p));
NeoDatis.Odb.Impl.Core.Query.Criteria.EqualCriterion ec = (NeoDatis.Odb.Impl.Core.Query.Criteria.EqualCriterion
)query.GetCriteria();
try
{
NeoDatis.Odb.Objects <NeoDatis.Odb.Test.Query.Criteria.ClassB> l = odb.GetObjects(
query);
}
catch (System.Exception e)
{
AssertTrue(NeoDatis.Tool.Wrappers.OdbString.ExceptionToString(e, true).IndexOf("1063"
) != -1);
}
odb.Close();
}
/// <summary>Take the fields of the index and take value from the query</summary>
/// <param name="ci">The class info involved</param>
/// <param name="index">The index</param>
/// <param name="query"></param>
/// <returns>The key of the index</returns>
public static NeoDatis.Tool.Wrappers.OdbComparable ComputeKey(NeoDatis.Odb.Core.Layers.Layer2.Meta.ClassInfo
ci, NeoDatis.Odb.Core.Layers.Layer2.Meta.ClassInfoIndex index, NeoDatis.Odb.Impl.Core.Query.Criteria.CriteriaQuery
query)
{
string[] attributesNames = ci.GetAttributeNames(index.GetAttributeIds());
NeoDatis.Odb.Core.Layers.Layer2.Meta.AttributeValuesMap values = query.GetCriteria
().GetValues();
return(BuildIndexKey(index.GetName(), values, attributesNames));
}
public override System.IComparable ComputeIndexKey(NeoDatis.Odb.Core.Layers.Layer2.Meta.ClassInfo
ci, NeoDatis.Odb.Core.Layers.Layer2.Meta.ClassInfoIndex index)
{
NeoDatis.Odb.Impl.Core.Query.Criteria.CriteriaQuery q = (NeoDatis.Odb.Impl.Core.Query.Criteria.CriteriaQuery
)query;
NeoDatis.Odb.Core.Layers.Layer2.Meta.AttributeValuesMap values = q.GetCriteria().
GetValues();
// if values.hasOid() is true, this means that we are working of the full object,
// the index key is then the oid and not the object itself
if (values.HasOid())
{
return(new NeoDatis.Odb.Core.Query.SimpleCompareKey(values.GetOid()));
}
return(NeoDatis.Odb.Core.Query.Execution.IndexTool.ComputeKey(classInfo, index, (
NeoDatis.Odb.Impl.Core.Query.Criteria.CriteriaQuery)query));
}
public ValuesCriteriaQuery(NeoDatis.Odb.Impl.Core.Query.Criteria.CriteriaQuery query
) : this(query.GetFullClassName(), query.GetCriteria())
{
}
