private void ClonePartition(PartitionDescriptor newPartitionDescriptor, Partition oldPartition)
{
var hashPartition = oldPartition as HashPartition;
if (hashPartition != null)
{
var newPartition = newPartitionDescriptor.CreateHashPartition(hashPartition.Filegroup);
CopyDbName(oldPartition, newPartition);
return;
}
var listPartition = oldPartition as ListPartition;
if (listPartition != null)
{
var newPartition = newPartitionDescriptor.CreateListPartition(listPartition.Filegroup, (string[])listPartition.Values.Clone());
CopyDbName(oldPartition, newPartition);
return;
}
var rangePartition = oldPartition as RangePartition;
if (rangePartition != null)
{
var newPartition = newPartitionDescriptor.CreateRangePartition(rangePartition.Filegroup, rangePartition.Boundary);
CopyDbName(oldPartition, newPartition);
return;
}
throw new ArgumentOutOfRangeException("oldPartition", Strings.ExUnexpectedTypeOfParameter);
}
public PhysicalPartition(PartitionDescriptor descriptor, IBuffer buffer, uint sectorSize)
{
_partitionNumber = descriptor.PartitionNumber;
_parentBuffer = buffer;
_contentBuffer = new SubBuffer(_parentBuffer, descriptor.PartitionStartingLocation * (long)sectorSize, descriptor.PartitionLength * (long)sectorSize);
_descriptor = descriptor;
}
public PhysicalPartition(PartitionDescriptor descriptor, IBuffer buffer, uint sectorSize)
{
_partitionNumber = descriptor.PartitionNumber;
_parentBuffer = buffer;
_contentBuffer = new SubBuffer(_parentBuffer, descriptor.PartitionStartingLocation * (long)sectorSize, descriptor.PartitionLength * (long)sectorSize);
_descriptor = descriptor;
}
private void ClonePartitionDescriptor(IPartitionable newObject, IPartitionable oldObject)
{
var oldPartitionDescriptor = oldObject.PartitionDescriptor;
if (oldPartitionDescriptor == null)
{
return;
}
var column = GetPartitionColumn(newObject, oldPartitionDescriptor);
var partitionDescriptor = new PartitionDescriptor(newObject, column, oldPartitionDescriptor.PartitionMethod);
CopyDbName(partitionDescriptor, oldPartitionDescriptor);
foreach (var oldPartition in oldPartitionDescriptor.Partitions)
{
ClonePartition(partitionDescriptor, oldPartition);
}
newObject.PartitionDescriptor = partitionDescriptor;
}
private TableColumn GetPartitionColumn(IPartitionable newObject, PartitionDescriptor oldPartitionDescriptor)
{
var table = newObject as Table;
if (table != null)
{
return(table.TableColumns[oldPartitionDescriptor.Column.Name]);
}
var index = newObject as Index;
if (index != null)
{
var tableColumn = index.Columns[oldPartitionDescriptor.Column.Name].Column as TableColumn;
if (tableColumn != null)
{
return(tableColumn);
}
throw new InvalidOperationException(Strings.ExUnableToGetTableColumnInstanceFromIndex);
}
throw new ArgumentOutOfRangeException("newObject", Strings.ExUnexpectedTypeOfParameter);
}
/// <inheritdoc/>
/// <exception cref="NotSupportedException">Method is not supported.</exception>
protected override IPathNode VisitPartitionDescriptor(PartitionDescriptor partitionDescriptor)
{
throw new NotSupportedException();
}
