HashMatchGroup Class

Holds information on documents that have equal SHA1 document hashes. The hash comparison is only for all documents within a document data archive (.dda) file. See DocumentDataArchiveReader.

Inheritance Hierarchy

SystemObject
OpenDiscoverSDK.Interfaces.Platform.ArchiveHashMatchGroup

Namespace: OpenDiscoverSDK.Interfaces.Platform.Archive
Assembly: OpenDiscoverSDK.Interfaces (in OpenDiscoverSDK.Interfaces.dll) Version: 2025.4.4.0 (2025.4.4)

Syntax

Copy

[DataContractAttribute]
public class HashMatchGroup

The HashMatchGroup type exposes the following members.

Constructors

	Name	Description
	HashMatchGroup	Initializes a new instance of the HashMatchGroup class

Top

Properties

	Name	Description
	Documents	All the documents that match on Hash.
	FormatId	Document file format Id of first document in this group as a string.
	GroupNumber	The group number of this group.
	Hash	The matching hash for this group (see HashMatchType for the hash type source).
	HashMatchType	The type of hash match for this group.

Top

Methods

	Name	Description
	Equals	Determines whether the specified object is equal to the current object. (Inherited from Object)
	GetHashCode	Serves as the default hash function. (Inherited from Object)
	GetType	Gets the Type of the current instance. (Inherited from Object)
	ToString	Returns a string that represents the current object. (Inherited from Object)

Top

Remarks

Document de-duplication should be performed in the document store, i.e., relational database or document database. This class is provided for testing or for example applications like what is provided in the Open Discover example projects.

Reference

OpenDiscoverSDK.Interfaces.Platform.Archive Namespace