C# Class AngularAzureSearch.WebAPI.PartitionResolvers.TransitionHashPartitionResolver

Creates a partition resolver that handles routing of reads and creates during transitions between partitioning configurations. Most commonly when you add an additional collection to the hash ring. This also shows how you can manage the policy for handling reads during migration (read both old and new partitions, or throw a retry-able error, etc.)

Inheritance: IPartitionResolver

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Public Methods

Method	Description
GetPartitionKey ( object document ) : object	Returns the partition key for the document.
ResolveForCreate ( object partitionKey ) : string	Returns the collection to create this document. Returns the last collection.
ResolveForRead ( object partitionKey ) : IEnumerable	Returns the collections to read for a partitionKey, based on the TransitionReadMode.
TransitionHashPartitionResolver ( IPartitionResolver current, IPartitionResolver next, TransitionReadMode readMode = TransitionReadMode.ReadBoth ) : System	Initializes a new instance of the TransitionHashPartitionResolver class.

Method Details

GetPartitionKey() public method

Returns the partition key for the document.

public GetPartitionKey ( object document ) : object
document	object	The document to locate.
return	object

ResolveForCreate() public method

Returns the collection to create this document. Returns the last collection.

public ResolveForCreate ( object partitionKey ) : string
partitionKey	object	The partition key for the create.
return	string

ResolveForRead() public method

Returns the collections to read for a partitionKey, based on the TransitionReadMode.

public ResolveForRead ( object partitionKey ) : IEnumerable
partitionKey	object	The partition key for the read.
return	IEnumerable

TransitionHashPartitionResolver() public method

Initializes a new instance of the TransitionHashPartitionResolver class.

public TransitionHashPartitionResolver ( IPartitionResolver current, IPartitionResolver next, TransitionReadMode readMode = TransitionReadMode.ReadBoth ) : System
current	IPartitionResolver	The current IPartitionResolver.
next	IPartitionResolver	The next IPartitionResolver.
readMode	TransitionReadMode	How to handle read requests during transition.
return	System