// Constructors
/// <summary>
/// Initializes a new instance of this class.
/// </summary>
/// <param name="owner">Persistent this entity set belongs to.</param>
/// <param name="field">Field corresponds to this entity set.</param>
protected EntitySetBase(Entity owner, FieldInfo field)
: base(owner.Session)
{
this.owner = owner;
Field = field;
State = new EntitySetState(this);
var association = Field.Associations.Last();
if (association.AuxiliaryType != null && association.IsMaster)
{
Domain domain = Session.Domain;
var itemType = domain.Model.Types[Field.ItemType];
auxilaryTypeKeyTransform = new CombineTransform(
false,
owner.TypeInfo.Key.TupleDescriptor,
itemType.Key.TupleDescriptor);
}
if (association.Multiplicity != Multiplicity.ManyToOne && association.Multiplicity != Multiplicity.OneToMany)
{
skipOwnerVersionChange = false;
}
else
{
skipOwnerVersionChange = Session.Domain.Configuration.VersioningConvention.DenyEntitySetOwnerVersionChange;
}
Initialize(WellKnownOrmTypes.EntitySetBase);
}
public void BaseTest()
{
Xtensive.Tuples.Tuple t1 = Xtensive.Tuples.Tuple.Create(1, "2");
Xtensive.Tuples.Tuple t2 = Xtensive.Tuples.Tuple.Create(3, 4.0, "5");
TestLog.Info("Originals: {0}, {1}", t1, t2);
CombineTransform mt = new CombineTransform(false, t1.Descriptor, t2.Descriptor);
CombineTransform mtro = new CombineTransform(true, t1.Descriptor, t2.Descriptor);
Xtensive.Tuples.Tuple wt1 = mt.Apply(TupleTransformType.TransformedTuple, t1, t2);
TestLog.Info("Wrapper: {0}", wt1);
Xtensive.Tuples.Tuple ct1 = mt.Apply(TupleTransformType.Tuple, t1, t2);
TestLog.Info("Copy: {0}", ct1);
Xtensive.Tuples.Tuple wt2 = mt.Apply(TupleTransformType.TransformedTuple, t1, t2);
Xtensive.Tuples.Tuple ct2 = mt.Apply(TupleTransformType.Tuple, t1, t2);
Assert.AreEqual(wt1, wt2);
Assert.AreEqual(wt2, ct1);
Assert.AreEqual(ct1, ct2);
wt1.SetValue(2, 0);
Assert.AreEqual(t2.GetValue(0), wt1.GetValue(2));
Assert.AreEqual(wt1, wt2);
Assert.AreNotEqual(wt2, ct1);
Assert.AreEqual(ct1, ct2);
ct1.SetValue(2, 0);
Assert.AreEqual(t2.GetValue(0), ct1.GetValue(2));
Assert.AreEqual(wt1, wt2);
Assert.AreEqual(wt2, ct1);
Assert.AreNotEqual(ct1, ct2);
Xtensive.Tuples.Tuple wtro = mtro.Apply(TupleTransformType.TransformedTuple, t1, t2);
AssertEx.Throws <NotSupportedException>(delegate {
wtro.SetValue(2, 0);
});
CombineTransform mt3 = new CombineTransform(false, t1.Descriptor, t1.Descriptor, t1.Descriptor);
Xtensive.Tuples.Tuple wt3 = mt3.Apply(TupleTransformType.TransformedTuple, t1, t1, t1);
TestLog.Info("Wrapper: {0}", wt3);
Xtensive.Tuples.Tuple ct3 = mt3.Apply(TupleTransformType.Tuple, t1, t1, t1);
TestLog.Info("Copy: {0}", ct3);
t1.SetValue(0, 0);
Assert.AreEqual(wt3.GetValue(4), t1.GetValue(0));
t1.SetValue(0, 1);
CombineTransform mt4 = new CombineTransform(false, t1.Descriptor, t1.Descriptor, t1.Descriptor, t1.Descriptor);
Xtensive.Tuples.Tuple wt4 = mt4.Apply(TupleTransformType.TransformedTuple, t1, t1, t1, t1);
TestLog.Info("Wrapper: {0}", wt4);
Xtensive.Tuples.Tuple ct4 = mt4.Apply(TupleTransformType.Tuple, t1, t1, t1, t1);
TestLog.Info("Copy: {0}", ct4);
t1.SetValue(0, 0);
Assert.AreEqual(wt4.GetValue(6), t1.GetValue(0));
t1.SetValue(0, 1);
}
/// <inheritdoc/>
protected override RecordSetHeader BuildHeader()
{
var newHeader = Source.Header.Add(new SystemColumn(ResultColumnName, 0, typeof(bool)));
var types = FilteredColumns.Select(m => newHeader.Columns[m].Type);
FilteredColumnsExtractionTransform = new MapTransform(true, TupleDescriptor.Create(types), FilteredColumns);
ResultTransform = new CombineTransform(true, Source.Header.TupleDescriptor, TupleDescriptor.Create(new [] { typeof(bool) }));
return(newHeader);
}
/// <inheritdoc/>
protected override RecordSetHeader BuildHeader()
{
var newHeader = Source.Header.Add(new SystemColumn(ResultColumnName, 0, BoolType));
var fieldTypes = new Type[FilteredColumns.Count];
for (var index = 0; index < fieldTypes.Length; index++)
{
fieldTypes[index] = newHeader.Columns[FilteredColumns[index]].Type;
}
var tupleDescriptor = TupleDescriptor.Create(fieldTypes);
FilteredColumnsExtractionTransform = new MapTransform(true, tupleDescriptor, FilteredColumns);
ResultTransform = new CombineTransform(true, Source.Header.TupleDescriptor, BoolTupleDescriptor);
return(newHeader);
}
private void RemapEntitySetReference(RemapContext context, ReferenceFieldChangeInfo info)
{
var fieldAssociation = info.Field.GetAssociation(info.FieldValue.TypeInfo);
if (!fieldAssociation.IsMaster && fieldAssociation.IsPaired)
{
return;
}
var oldCombinedKey = info.AuxiliaryEntity;
var fieldOwnerKey = context.TryRemapKey(info.FieldOwner);
var fieldValueKey = context.TryRemapKey(info.FieldValue);
var transformer = new CombineTransform(false, fieldOwnerKey.Value.Descriptor, fieldValueKey.Value.Descriptor);
var combinedTuple = transformer.Apply(TupleTransformType.Tuple, fieldOwnerKey.Value, fieldValueKey.Value);
var newCombinedKey = Key.Create(Session.Domain, Session.StorageNodeId, fieldAssociation.AuxiliaryType, TypeReferenceAccuracy.ExactType, combinedTuple);
context.RegisterKeyMap(oldCombinedKey, newCombinedKey);
}
public void PerformanceTest2()
{
AdvancedComparerStruct <Xtensive.Tuples.Tuple> comparer = AdvancedComparerStruct <Xtensive.Tuples.Tuple> .Default;
Xtensive.Tuples.Tuple t = Xtensive.Tuples.Tuple.Create(1);
CombineTransform mt = new CombineTransform(false, t.Descriptor, t.Descriptor, t.Descriptor, t.Descriptor);
SegmentTransform st = new SegmentTransform(false, mt.Descriptor, new Segment <int>(1, 2));
Xtensive.Tuples.Tuple wt1 = st.Apply(TupleTransformType.TransformedTuple, mt.Apply(TupleTransformType.TransformedTuple, t, t, t, t));
Xtensive.Tuples.Tuple wt2 = st.Apply(TupleTransformType.TransformedTuple, mt.Apply(TupleTransformType.TransformedTuple, t, t, t, t));
Xtensive.Tuples.Tuple ct1 = st.Apply(TupleTransformType.Tuple, mt.Apply(TupleTransformType.Tuple, t, t, t, t));
Xtensive.Tuples.Tuple ct2 = st.Apply(TupleTransformType.Tuple, mt.Apply(TupleTransformType.Tuple, t, t, t, t));
int count = IterationCount;
comparer.Equals(ct1, ct2);
comparer.Equals(ct1, wt1);
comparer.Equals(wt1, wt2);
TestHelper.CollectGarbage();
using (new Measurement("O&O", MeasurementOptions.Log, count))
for (int i = 0; i < count; i++)
{
comparer.Equals(ct1, ct2);
}
TestHelper.CollectGarbage();
using (new Measurement("O&W", MeasurementOptions.Log, count))
for (int i = 0; i < count; i++)
{
comparer.Equals(ct1, wt1);
}
TestHelper.CollectGarbage();
using (new Measurement("W&W", MeasurementOptions.Log, count))
for (int i = 0; i < count; i++)
{
comparer.Equals(wt1, wt2);
}
}
/// <summary>
/// Combines the <paramref name="left"/> with <paramref name="right"/>.
/// </summary>
/// <param name="left">The first <see cref="Tuple"/> to combine.</param>
/// <param name="right">The second <see cref="Tuple"/> to combine.</param>
/// <returns></returns>
public static Tuple Combine(this Tuple left, Tuple right)
{
var transform = new CombineTransform(false, new[] { left.Descriptor, right.Descriptor });
return(transform.Apply(TupleTransformType.TransformedTuple, left, right));
}