/// <summary>
/// Creates request to update a mapping in given shard map.
/// </summary>
/// <param name="operationCode">Operation code.</param>
/// <param name="shardMapManager">Shard map manager object.</param>
/// <param name="operationId">Operation Id.</param>
/// <param name="undoStartState">Undo start state.</param>
/// <param name="root">Xml representation of the object.</param>
/// <param name="originalShardVersionRemoves">Original shard version for removes.</param>
/// <param name="originalShardVersionAdds">Original shard version for adds.</param>
/// <returns>The store operation.</returns>
public virtual IStoreOperation CreateUpdateMappingOperation(
StoreOperationCode operationCode,
ShardMapManager shardMapManager,
Guid operationId,
StoreOperationState undoStartState,
XElement root,
Guid originalShardVersionRemoves,
Guid originalShardVersionAdds)
{
return(new UpdateMappingOperation(
shardMapManager,
operationId,
undoStartState,
operationCode,
StoreObjectFormatterXml.ReadIStoreShardMap(root.Element("ShardMap")),
StoreObjectFormatterXml.ReadIStoreMapping(
root.Element("Steps").Element("Step").Element("Mapping"),
root.Element("Removes").Element("Shard")),
StoreObjectFormatterXml.ReadIStoreMapping(
root.Element("Steps").Element("Step").Element("Update").Element("Mapping"),
root.Element("Adds").Element("Shard")),
root.Element("PatternForKill").Value,
StoreObjectFormatterXml.ReadLock(root.Element("Steps").Element("Step").Element("Lock")),
originalShardVersionRemoves,
originalShardVersionAdds));
}
/// <summary>
/// Creates request to remove shard from given shard map.
/// </summary>
/// <param name="shardMapManager">Shard map manager object.</param>
/// <param name="operationId">Operation Id.</param>
/// <param name="undoStartState">Undo start state.</param>
/// <param name="root">Xml representation of the object.</param>
/// <returns>The store operation.</returns>
public virtual IStoreOperation CreateRemoveShardOperation(
ShardMapManager shardMapManager,
Guid operationId,
StoreOperationState undoStartState,
XElement root)
{
return(new RemoveShardOperation(
shardMapManager,
operationId,
undoStartState,
StoreObjectFormatterXml.ReadIStoreShardMap(root.Element("ShardMap")),
StoreObjectFormatterXml.ReadIStoreShard(root.Element("Steps").Element("Step").Element("Shard"))));
}
/// <summary>
/// Creates request to add a mapping in given shard map.
/// </summary>
/// <param name="operationCode">Operation code.</param>
/// <param name="shardMapManager">Shard map manager object.</param>
/// <param name="operationId">Operation Id.</param>
/// <param name="undoStartState">Undo start state.</param>
/// <param name="root">Xml representation of the object.</param>
/// <param name="originalShardVersionAdds">Original shard version.</param>
/// <returns>The store operation.</returns>
public virtual IStoreOperation CreateAddMappingOperation(
StoreOperationCode operationCode,
ShardMapManager shardMapManager,
Guid operationId,
StoreOperationState undoStartState,
XElement root,
Guid originalShardVersionAdds)
{
return(new AddMappingOperation(
shardMapManager,
operationId,
undoStartState,
operationCode,
StoreObjectFormatterXml.ReadIStoreShardMap(root.Element("ShardMap")),
StoreObjectFormatterXml.ReadIStoreMapping(
root.Element("Steps").Element("Step").Element("Mapping"),
root.Element("Adds").Element("Shard")),
originalShardVersionAdds));
}
/// <summary>
/// Creates request to replace a set of mappings with new set in given shard map.
/// </summary>
/// <param name="operationCode">Operation code.</param>
/// <param name="shardMapManager">Shard map manager object.</param>
/// <param name="operationId">Operation Id.</param>
/// <param name="undoStartState">Undo start state.</param>
/// <param name="root">Xml representation of the object.</param>
/// <param name="originalShardVersionAdds">Original shard Id of source.</param>
/// <returns>The store operation.</returns>
public virtual IStoreOperation CreateReplaceMappingsOperation(
StoreOperationCode operationCode,
ShardMapManager shardMapManager,
Guid operationId,
StoreOperationState undoStartState,
XElement root,
Guid originalShardVersionAdds)
{
XElement removeShard = root.Element("Removes").Element("Shard");
XElement addShard = root.Element("Adds").Element("Shard");
return(new ReplaceMappingsOperation(
shardMapManager,
operationId,
undoStartState,
operationCode,
StoreObjectFormatterXml.ReadIStoreShardMap(root.Element("ShardMap")),
root.Element("Steps").Elements("Step").Where(e => e.Attribute("Kind").Value == "1").Select(
xe => new
{
Index = Int32.Parse(xe.Attribute("Id").Value),
Mapping = StoreObjectFormatterXml.ReadIStoreMapping(xe.Element("Mapping"), removeShard),
Lock = StoreObjectFormatterXml.ReadLock(xe.Element("Lock"))
})
.OrderBy(el => el.Index)
.Select(el => new Tuple <IStoreMapping, Guid>(el.Mapping, el.Lock))
.ToArray(),
root.Element("Steps").Elements("Step").Where(e => e.Attribute("Kind").Value == "3").Select(
xe => new
{
Index = Int32.Parse(xe.Attribute("Id").Value),
Mapping = StoreObjectFormatterXml.ReadIStoreMapping(xe.Element("Mapping"), addShard),
Lock = StoreObjectFormatterXml.ReadLock(xe.Element("Lock"))
})
.OrderBy(el => el.Index)
.Select(el => new Tuple <IStoreMapping, Guid>(el.Mapping, el.Lock))
.ToArray(),
originalShardVersionAdds));
}
