public override Tuple GenerateKey(KeyInfo keyInfo, Session session)
{
return(Tuple.Create(seed++, seed++));
}
/// <summary>
/// Converts the <paramref name="source"/> <see cref="Tuple"/> to
/// its string representation.
/// </summary>
/// <param name="source">The tuple to convert.</param>
/// <param name="format">Indicates whether to use <see cref="Format"/>,
/// or <see cref="Tuple.ToString"/> method.</param>
/// <returns>String representation of <paramref name="source"/> <see cref="Tuple"/>.</returns>
public static string ToString(this Tuple source, bool format)
{
return(format ? source.Format() : source.ToString());
}
public abstract void Execute(Tuple source, string[] targets, int fieldIndex);
public static Key Materialize(Domain domain, string nodeId,
TypeInfo type, Tuple value, TypeReferenceAccuracy accuracy, bool canCache, int[] keyIndexes)
{
var hierarchy = type.Hierarchy;
var keyInfo = type.Key;
if (keyIndexes == null)
{
if (value.Descriptor != keyInfo.TupleDescriptor)
{
throw new ArgumentException(Strings.ExWrongKeyStructure);
}
if (accuracy == TypeReferenceAccuracy.ExactType)
{
int typeIdColumnIndex = keyInfo.TypeIdColumnIndex;
if (typeIdColumnIndex >= 0 && !value.GetFieldState(typeIdColumnIndex).IsAvailable())
{
// Ensures TypeId is filled in into Keys of newly created Entities
value.SetValue(typeIdColumnIndex, type.TypeId);
}
}
}
if (hierarchy != null && hierarchy.Root.IsLeaf)
{
accuracy = TypeReferenceAccuracy.ExactType;
canCache = false; // No reason to cache
}
Key key;
var isGenericKey = keyInfo.TupleDescriptor.Count <= WellKnown.MaxGenericKeyLength;
if (isGenericKey)
{
key = CreateGenericKey(domain, nodeId, type, accuracy, value, keyIndexes);
}
else
{
if (keyIndexes != null)
{
throw Exceptions.InternalError(Strings.ExKeyIndexesAreSpecifiedForNonGenericKey, OrmLog.Instance);
}
key = new LongKey(nodeId, type, accuracy, value);
}
if (!canCache)
{
return(key);
}
var keyCache = domain.KeyCache;
lock (keyCache) {
Key foundKey;
if (keyCache.TryGetItem(key, true, out foundKey))
{
key = foundKey;
}
else
{
if (accuracy == TypeReferenceAccuracy.ExactType)
{
keyCache.Add(key);
}
}
}
return(key);
}
public abstract void Execute(string[] source, Tuple target, int fieldIndex);
public static Key Materialize(Domain domain, string nodeId,
TypeInfo type, TypeReferenceAccuracy accuracy, params object[] values)
{
var keyInfo = type.Key;
ArgumentValidator.EnsureArgumentIsInRange(values.Length, 1, keyInfo.TupleDescriptor.Count, "values");
var tuple = Tuple.Create(keyInfo.TupleDescriptor);
int typeIdIndex = keyInfo.TypeIdColumnIndex;
if (typeIdIndex >= 0)
{
tuple.SetValue(typeIdIndex, type.TypeId);
}
int tupleIndex = 0;
if (tupleIndex == typeIdIndex)
{
tupleIndex++;
}
for (int valueIndex = 0; valueIndex < values.Length; valueIndex++)
{
var value = values[valueIndex];
ArgumentValidator.EnsureArgumentNotNull(value, String.Format("values[{0}]", valueIndex));
var entity = value as Entity;
if (entity != null)
{
entity.EnsureNotRemoved();
value = entity.Key;
}
var key = value as Key;
if (key != null)
{
if (key.TypeReference.Type.Hierarchy == type.Hierarchy)
{
typeIdIndex = -1; // Key must be fully copied in this case
}
for (int keyIndex = 0; keyIndex < key.Value.Count; keyIndex++)
{
tuple.SetValue(tupleIndex++, key.Value.GetValueOrDefault(keyIndex));
if (tupleIndex == typeIdIndex)
{
tupleIndex++;
}
}
continue;
}
tuple.SetValue(tupleIndex++, value);
if (tupleIndex == typeIdIndex)
{
tupleIndex++;
}
}
if (tupleIndex != tuple.Count)
{
throw new ArgumentException(String.Format(
Strings.ExSpecifiedValuesArentEnoughToCreateKeyForTypeX, type.Name));
}
return(Materialize(domain, nodeId, type, tuple, accuracy, false, null));
}
private static Key CreateGenericKey(Domain domain, string nodeId, TypeInfo type, TypeReferenceAccuracy accuracy, Tuple tuple, int[] keyIndexes)
{
var keyTypeInfo = domain.GenericKeyFactories.GetOrAdd(type, BuildGenericKeyFactory);
if (keyIndexes == null)
{
return(keyTypeInfo.DefaultConstructor(nodeId, type, tuple, accuracy));
}
return(keyTypeInfo.KeyIndexBasedConstructor(nodeId, type, tuple, accuracy, keyIndexes));
}
/// <summary>
/// Extracts the key part from <paramref name="tuple"/> using <see cref="OrderKeyExtractorTransform"/>.
/// </summary>
/// <param name="tuple">The tuple to extract the key from.</param>
/// <returns>A tuple containing extracted order key.</returns>
public Tuple OrderKeyExtractor(Tuple tuple)
{
return(OrderKeyExtractorTransform.Apply(TupleTransformType.Auto, tuple));
}
/// <summary>
/// Initializes a new instance of this class.
/// </summary>
/// <param name="source">The <see cref="UnaryProvider.Source"/> property value.</param>
/// <param name="key">Wrapped to <see cref="Key"/> property value.</param>
public SeekProvider(CompilableProvider source, Tuple key)
: base(ProviderType.Seek, source)
{
Key = () => key;
Initialize();
}
internal static Key Create(Domain domain, string nodeId, TypeInfo type, TypeReferenceAccuracy accuracy, Tuple value)
{
return(KeyFactory.Materialize(domain, nodeId, type, value, accuracy, false, null));
}
public static int ExtractTypeId(TypeInfo type, TypeIdRegistry typeIdRegistry, Tuple tuple, int typeIdIndex, out TypeReferenceAccuracy accuracy)
{
accuracy = TypeReferenceAccuracy.Hierarchy;
if (type.IsInterface)
{
accuracy = TypeReferenceAccuracy.BaseType;
}
if (typeIdIndex < 0)
{
if (type.IsLeaf)
{
accuracy = TypeReferenceAccuracy.ExactType;
}
return(typeIdRegistry.GetTypeId(type));
}
accuracy = TypeReferenceAccuracy.ExactType;
TupleFieldState state;
var value = tuple.GetValue <int>(typeIdIndex, out state);
if (type.IsLeaf)
{
return(state.HasValue() ? typeIdRegistry.GetTypeId(type) : TypeInfo.NoTypeId);
}
// Hack here: 0 (default) = TypeInfo.NoTypeId
return(value);
}
/// <summary>
/// Creates <see cref="Key"/> instance
/// for the specified <see cref="Entity"/> <paramref name="type"/>,
/// with specified <paramref name="value"/>, <paramref name="accuracy"/> and <paramref name="nodeId"/>.
/// </summary>
/// <param name="domain">Domain to use.</param>
/// <param name="nodeId">Node identifier to use.</param>
/// <param name="type">Entity type.</param>
/// <param name="accuracy">Key accuracy.</param>
/// <param name="value">Key values.</param>
/// <returns>A newly created or existing <see cref="Key"/> instance.</returns>
public static Key Create([NotNull] Domain domain, [NotNull] string nodeId, [NotNull] Type type, TypeReferenceAccuracy accuracy, [NotNull] Tuple value)
{
ArgumentValidator.EnsureArgumentNotNull(domain, "domain");
ArgumentValidator.EnsureArgumentNotNull(type, "type");
ArgumentValidator.EnsureArgumentNotNull(value, "value");
return(Create(domain, nodeId, domain.Model.Types[type], accuracy, value));
}
/// <summary>
/// Creates <see cref="Key"/> instance
/// for the specified <see cref="Entity"/> <paramref name="type"/>,
/// with specified <paramref name="value"/> and <paramref name="accuracy"/>.
/// </summary>
/// <param name="domain">Domain to use.</param>
/// <param name="type">Entity type.</param>
/// <param name="accuracy">Key accuracy.</param>
/// <param name="value">Key values.</param>
/// <returns>A newly created or existing <see cref="Key"/> instance.</returns>
public static Key Create([NotNull] Domain domain, [NotNull] Type type, TypeReferenceAccuracy accuracy, [NotNull] Tuple value)
{
return(Create(domain, WellKnown.DefaultNodeId, type, accuracy, value));
}
/// <summary>
/// Creates <see cref="Key"/> instance
/// for the specified <see cref="Entity"/> type <typeparamref name="T"/>
/// and with specified <paramref name="value"/>.
/// </summary>
/// <typeparam name="T">Type of <see cref="Entity"/> descendant to get <see cref="Key"/> for.</typeparam>
/// <param name="domain">Domain to use.</param>
/// <param name="value">Key value.</param>
/// <returns>
/// A newly created or existing <see cref="Key"/> instance.
/// </returns>
public static Key Create <T>([NotNull] Domain domain, [NotNull] Tuple value)
where T : IEntity
{
return(Create(domain, WellKnown.DefaultNodeId, typeof(T), TypeReferenceAccuracy.BaseType, value));
}
internal Tuple CreateTuple()
{
var descriptor = TypeReference.Type.Key.TupleDescriptor;
return(Tuple.Create(descriptor));
}
public void FieldAccessTest()
{
const int iterationCount = 10000000;
TupleDescriptor descriptor = TupleDescriptor.Create(shortFieldTypes);
Tuple tuple = Tuple.Create(descriptor);
for (int i = 0; i < iterationCount; i++)
{
tuple.SetValue(0, (object)i);
}
for (int i = 0; i < iterationCount; i++)
{
TupleFieldState state;
tuple.GetValue(0, out state);
}
for (int i = 0; i < iterationCount; i++)
{
tuple.SetValue(0, i);
}
for (int i = 0; i < iterationCount; i++)
{
tuple.GetValue <int>(0);
}
for (int i = 0; i < iterationCount; i++)
{
TupleFieldState state;
tuple.GetValue <int>(0, out state);
}
for (int i = 0; i < iterationCount; i++)
{
TupleFieldState state;
tuple.GetValue <int?>(0, out state);
}
using (new Measurement("Tuple.SetValue?", iterationCount))
for (int i = 0; i < iterationCount; i++)
{
tuple.SetValue(0, null);
}
using (new Measurement("Tuple.SetValue", iterationCount))
for (int i = 0; i < iterationCount; i++)
{
tuple.SetValue(0, (object)i);
}
using (new Measurement("Tuple.GetValue", iterationCount))
for (int i = 0; i < iterationCount; i++)
{
tuple.GetValue(0);
}
using (new Measurement("Tuple.GetValue(_,_)", iterationCount))
for (int i = 0; i < iterationCount; i++)
{
TupleFieldState state;
tuple.GetValue(0, out state);
}
using (new Measurement("Tuple.GetValueOrDefault", iterationCount))
for (int i = 0; i < iterationCount; i++)
{
tuple.GetValueOrDefault(0);
}
using (new Measurement("Tuple.SetValue<T>", iterationCount))
for (int i = 0; i < iterationCount; i++)
{
tuple.SetValue(0, i);
}
using (new Measurement("Tuple.GetValue<T>", iterationCount))
for (int i = 0; i < iterationCount; i++)
{
tuple.GetValue <int>(0);
}
using (new Measurement("Tuple.GetValue<T>(_,_)", iterationCount))
for (int i = 0; i < iterationCount; i++)
{
TupleFieldState state;
tuple.GetValue <int>(0, out state);
}
using (new Measurement("Tuple.GetValueOrDefault<T>", iterationCount))
for (int i = 0; i < iterationCount; i++)
{
tuple.GetValueOrDefault <int>(0);
}
using (new Measurement("Tuple.SetValue<T?>", iterationCount))
for (int i = 0; i < iterationCount; i++)
{
tuple.SetValue(0, new int?(i));
}
using (new Measurement("Tuple.GetValue<T?>", iterationCount))
for (int i = 0; i < iterationCount; i++)
{
tuple.GetValue <int?>(0);
}
using (new Measurement("Tuple.GetValue<T?>(_,_)", iterationCount))
for (int i = 0; i < iterationCount; i++)
{
TupleFieldState state;
tuple.GetValue <int?>(0, out state);
}
using (new Measurement("Tuple.GetValueOrDefault<T?>", iterationCount))
for (int i = 0; i < iterationCount; i++)
{
tuple.GetValueOrDefault <int?>(0);
}
}