/// <summary>
/// Determine if any of the given field values are modified,
/// returning an array containing indexes of
/// the dirty fields or null if no fields are modified.
/// </summary>
public static int[] FindModified(
StandardProperty[] properties,
object[] x,
object[] y,
bool[][] includeColumns,
bool anyUninitializedProperties,
ISessionImplementor session)
{
int[] results = null;
int count = 0;
int span = properties.Length;
for (int i = 0; i < span; i++)
{
bool dirty =
// TODO H3: x[ i ] != LazyPropertyInitializer.UnfetchedProperty && //x is the "current" state
properties[i].IsDirtyCheckable(anyUninitializedProperties)
&& properties[i].Type.IsModified(y[i], x[i], includeColumns[i], session);
if (dirty)
{
if (results == null)
{
results = new int[span];
}
results[count++] = i;
}
}
if (count == 0)
{
return null;
}
else
{
int[] trimmed = new int[count];
System.Array.Copy(results, 0, trimmed, 0, count);
return trimmed;
}
}
private ValueInclusion DetermineUpdateValueGenerationType(Mapping.Property mappingProperty, StandardProperty runtimeProperty)
{
if (runtimeProperty.IsUpdateGenerated)
{
return ValueInclusion.Full;
}
else if (mappingProperty.Value is Component)
{
if (HasPartialUpdateComponentGeneration((Component) mappingProperty.Value))
{
return ValueInclusion.Partial;
}
}
return ValueInclusion.None;
}
private static bool Dirty(StandardProperty[] properties, object[] currentState, object[] previousState, bool[][] includeColumns, bool anyUninitializedProperties, ISessionImplementor session, int i)
{
if (Equals(LazyPropertyInitializer.UnfetchedProperty, currentState[i]))
return false;
if (Equals(LazyPropertyInitializer.UnfetchedProperty, previousState[i]))
return true;
return properties[i].IsDirtyCheckable(anyUninitializedProperties) &&
properties[i].Type.IsDirty(previousState[i], currentState[i], includeColumns[i], session);
}
/// <summary>
/// <para>Determine if any of the given field values are modified, returning an array containing
/// indices of the modified fields.</para>
/// <para>If it is determined that no fields are dirty, null is returned.</para>
/// </summary>
/// <param name="properties">The property definitions</param>
/// <param name="currentState">The current state of the entity</param>
/// <param name="previousState">The baseline state of the entity</param>
/// <param name="includeColumns">Columns to be included in the mod checking, per property</param>
/// <param name="anyUninitializedProperties">Does the entity currently hold any uninitialized property values?</param>
/// <param name="session">The session from which the dirty check request originated.</param>
/// <returns>Array containing indices of the modified properties, or null if no properties considered modified.</returns>
public static int[] FindModified(StandardProperty[] properties,
object[] currentState,
object[] previousState,
bool[][] includeColumns,
bool anyUninitializedProperties,
ISessionImplementor session)
{
int[] results = null;
int count = 0;
int span = properties.Length;
for (int i = 0; i < span; i++)
{
bool dirty =
!Equals(LazyPropertyInitializer.UnfetchedProperty, currentState[i]) &&
properties[i].IsDirtyCheckable(anyUninitializedProperties)
&& properties[i].Type.IsModified(previousState[i], currentState[i], includeColumns[i], session);
if (dirty)
{
if (results == null)
{
results = new int[span];
}
results[count++] = i;
}
}
if (count == 0)
{
return null;
}
else
{
int[] trimmed = new int[count];
Array.Copy(results, 0, trimmed, 0, count);
return trimmed;
}
}
/// <summary>
/// <para>Determine if any of the given field values are dirty, returning an array containing
/// indices of the dirty fields.</para>
/// <para>If it is determined that no fields are dirty, null is returned.</para>
/// </summary>
/// <param name="properties">The property definitions</param>
/// <param name="currentState">The current state of the entity</param>
/// <param name="previousState">The baseline state of the entity</param>
/// <param name="includeColumns">Columns to be included in the dirty checking, per property</param>
/// <param name="anyUninitializedProperties">Does the entity currently hold any uninitialized property values?</param>
/// <param name="session">The session from which the dirty check request originated.</param>
/// <returns>Array containing indices of the dirty properties, or null if no properties considered dirty.</returns>
public static int[] FindDirty(StandardProperty[] properties,
object[] currentState,
object[] previousState,
bool[][] includeColumns,
bool anyUninitializedProperties,
ISessionImplementor session)
{
int[] results = null;
int count = 0;
int span = properties.Length;
for (int i = 0; i < span; i++)
{
var dirty = Dirty(properties, currentState, previousState, includeColumns, anyUninitializedProperties, session, i);
if (dirty)
{
if (results == null)
{
results = new int[span];
}
results[count++] = i;
}
}
if (count == 0)
{
return null;
}
else
{
int[] trimmed = new int[count];
Array.Copy(results, 0, trimmed, 0, count);
return trimmed;
}
}