|
public AddOperation ( |
||
| operation | ||
| Результат | void | |
private void ApplyUpdatesSoFarAsNewCommand(
IList <BaseCommand> results,
IList <UpdateOperation> updates,
ref string updateTableName,
ref object updatePk)
{
if (updates.Count == 0)
{
return;
}
var command = new UpdateCommand();
updates.ForEach(update => command.AddOperation(update));
results.Add(command);
updates.Clear();
updateTableName = null;
updatePk = null;
}
private void AppendPropertyToInsertStatement(
Script script,
StringBuilder colBuff,
StringBuilder valBuff,
PropertyMetadata property,
ref int index,
BaseInsertDeleteOperation operation,
ArrayList values,
MethodInfo getter,
UpdateCommand updateCommand)
{
object columnValueForUpdate = null;
if (property.HasAttribute <ForeignKeyReferenceAttribute>() &&
null != operation.OwnerMetadata &&
_dtoMetadataCache.GetValidatedMetadataFor(
property.GetAttribute <ForeignKeyReferenceAttribute>().ReferencedDto).TableName ==
operation.OwnerMetadata.TableName)
{
columnValueForUpdate = new Func <object>(() => operation.OwnerPrimaryKeyAsObject);
values.Add(columnValueForUpdate);
}
else if (property.HasAttribute <ManyToOneAttribute>() && property.GetAttribute <ManyToOneAttribute>().ForeignKeyTargetColumnName != null)
{
var propValue = property.GetValue(operation.Value);
var propTypeMetadata = _dtoMetadataCache.GetValidatedMetadataFor(property.Prop.PropertyType);
if (null != propValue && null != propTypeMetadata)
{
var targetName = property.GetAttribute <ManyToOneAttribute>().ForeignKeyTargetColumnName;
var fkTargetProperty = propTypeMetadata[targetName];
if (fkTargetProperty == null)
{
throw new ArgumentException(string.Format(
"Cannot INSERT foreign key value for non existent target column '{0}'"
+ " specified from column '{1}'.",
targetName,
property.ColumnName));
}
columnValueForUpdate = new Func <object>(() => fkTargetProperty.GetValue(propValue));
values.Add(columnValueForUpdate);
}
else
{
columnValueForUpdate = new Func <object>(() => null);
values.Add(columnValueForUpdate);
}
}
else if (property.HasAttribute <ManyToOneAttribute>() || property.HasAttribute <OneToOneAttribute>())
{
if (property.HasAttribute <OneToOneAttribute>() && !property.HasAttribute <ForeignKeyReferenceAttribute>())
{
// One to one relationship where child table references parent rather than the other way around.
// This will be saved along with the child object.
return;
}
object propValue = property.GetValue(operation.Value);
DtoMetadata propMetadata = _dtoMetadataCache.GetValidatedMetadataFor(property.Prop.PropertyType);
columnValueForUpdate = new Func <object>(
() =>
propValue == null || propMetadata == null
? null
: propMetadata.GetPrimaryKeyValueAsObject(propValue));
values.Add(columnValueForUpdate);
}
else
{
columnValueForUpdate = getter.Invoke(operation.Value, new object[0]);
values.Add(columnValueForUpdate);
}
if (columnValueForUpdate is Func <object> )
{
script.WireUpActions.Add(() =>
{
object newPropertyValue = ((Func <object>)columnValueForUpdate)();
if (CanAssignToProperty(newPropertyValue, property))
{
property.Prop.SetValue(operation.Value, newPropertyValue);
}
});
}
updateCommand.AddOperation(new UpdateOperation()
{
ColumnPropertyMetadata = property,
TableName = operation.ValueMetadata.TableName,
Value = columnValueForUpdate,
ValueMetadata = property.IsString || property.IsNumericType || property.IsEnum || !property.IsReferenceType
? null
: _dtoMetadataCache.GetMetadataFor(property.Prop.PropertyType),
Owner = operation.Value,
OwnerMetadata = operation.ValueMetadata,
OwnerPrimaryKeyColumn = operation.ValueMetadata.PrimaryKey.ColumnName,
OwnerPropertyMetadata = property
});
if (colBuff.Length > 0)
{
colBuff.Append(@", ");
valBuff.Append(@", ");
}
colBuff.Append("[" + property.ColumnName + "]");
valBuff.Append("{");
valBuff.Append(index);
valBuff.Append("}");
++index;
}
private void ApplyUpdatesSoFarAsNewCommand(
IList<BaseCommand> results,
IList<UpdateOperation> updates,
ref string updateTableName,
ref object updatePk)
{
if (updates.Count == 0)
{
return;
}
var command = new UpdateCommand();
updates.ForEach(update => command.AddOperation(update));
results.Add(command);
updates.Clear();
updateTableName = null;
updatePk = null;
}
private void AppendPropertyToInsertStatement(
Script script,
StringBuilder colBuff,
StringBuilder valBuff,
PropertyMetadata property,
ref int index,
BaseInsertDeleteOperation operation,
ArrayList values,
MethodInfo getter,
UpdateCommand updateCommand)
{
object columnValueForUpdate = null;
if (property.HasAttribute<ForeignKeyReferenceAttribute>()
&& null != operation.OwnerMetadata
&& _dtoMetadataCache.GetValidatedMetadataFor(
property.GetAttribute<ForeignKeyReferenceAttribute>().ReferencedDto).TableName ==
operation.OwnerMetadata.TableName)
{
columnValueForUpdate = new Func<object>(() => operation.OwnerPrimaryKeyAsObject);
values.Add(columnValueForUpdate);
}
else if (property.HasAttribute<ManyToOneAttribute>() && property.GetAttribute<ManyToOneAttribute>().ForeignKeyTargetColumnName != null)
{
var propValue = property.GetValue(operation.Value);
var propTypeMetadata = _dtoMetadataCache.GetValidatedMetadataFor(property.Prop.PropertyType);
if (null != propValue && null != propTypeMetadata)
{
var targetName = property.GetAttribute<ManyToOneAttribute>().ForeignKeyTargetColumnName;
var fkTargetProperty = propTypeMetadata[targetName];
if (fkTargetProperty == null)
{
throw new ArgumentException(string.Format(
"Cannot INSERT foreign key value for non existent target column '{0}'"
+ " specified from column '{1}'.",
targetName,
property.ColumnName));
}
columnValueForUpdate = new Func<object>(() => fkTargetProperty.GetValue(propValue));
values.Add(columnValueForUpdate);
}
else
{
columnValueForUpdate = new Func<object>(() => null);
values.Add(columnValueForUpdate);
}
}
else if (property.HasAttribute<ManyToOneAttribute>() || property.HasAttribute<OneToOneAttribute>())
{
if (property.HasAttribute<OneToOneAttribute>() && !property.HasAttribute<ForeignKeyReferenceAttribute>())
{
// One to one relationship where child table references parent rather than the other way around.
// This will be saved along with the child object.
return;
}
object propValue = property.GetValue(operation.Value);
DtoMetadata propMetadata = _dtoMetadataCache.GetValidatedMetadataFor(property.Prop.PropertyType);
columnValueForUpdate = new Func<object>(
() =>
propValue == null || propMetadata == null
? null
: propMetadata.GetPrimaryKeyValueAsObject(propValue));
values.Add(columnValueForUpdate);
}
else
{
columnValueForUpdate = getter.Invoke(operation.Value, new object[0]);
values.Add(columnValueForUpdate);
}
if (columnValueForUpdate is Func<object>)
{
script.WireUpActions.Add(() =>
{
object newPropertyValue = ((Func<object>) columnValueForUpdate)();
if (CanAssignToProperty(newPropertyValue, property))
{
property.Prop.SetValue(operation.Value, newPropertyValue);
}
});
}
updateCommand.AddOperation(new UpdateOperation()
{
ColumnPropertyMetadata = property,
TableName = operation.ValueMetadata.TableName,
Value = columnValueForUpdate,
ValueMetadata = property.IsString || property.IsNumericType || property.IsEnum || ! property.IsReferenceType
? null
: _dtoMetadataCache.GetMetadataFor(property.Prop.PropertyType),
Owner = operation.Value,
OwnerMetadata = operation.ValueMetadata,
OwnerPrimaryKeyColumn = operation.ValueMetadata.PrimaryKey.ColumnName,
OwnerPropertyMetadata = property
});
if (colBuff.Length > 0) {
colBuff.Append(@", ");
valBuff.Append(@", ");
}
colBuff.Append("[" + property.ColumnName + "]");
valBuff.Append("{");
valBuff.Append(index);
valBuff.Append("}");
++index;
}
