QdbBlob Class

A blob (unstructured data) in a quasardb database.

Inheritance Hierarchy

SystemObject
  QuasardbQdbEntry
    QuasardbQdbExpirableEntry
      QuasardbQdbBlob

Namespace: Quasardb
Assembly: Quasardb (in Quasardb.dll) Version: 3.15.0.0 (3.15.0.0)

Syntax

public sealed class QdbBlob : QdbExpirableEntry

Public NotInheritable Class QdbBlob
	Inherits QdbExpirableEntry

The QdbBlob type exposes the following members.

Properties

	Name	Description
	Alias	The alias of the entry in the database. (Inherited from QdbEntry.)

Methods

	Name	Description
	AttachTag(String)	Adds a tag to the entry. (Inherited from QdbEntry.)
	AttachTag(QdbTag)	Adds a tag to the entry. (Inherited from QdbEntry.)
	CompareAndSwap	Atomically compares and replaces the content when it matches.
	DetachTag(String)	Removes a tag from the entry. (Inherited from QdbEntry.)
	DetachTag(QdbTag)	Removes a tag from the entry. (Inherited from QdbEntry.)
	ExpiresAt	Sets an absolute expiry time. (Inherited from QdbExpirableEntry.)
	ExpiresFromNow	Sets an relative expiry time. (Inherited from QdbExpirableEntry.)
	Get	Gets the content.
	GetAndRemove	Atomically gets the content and delete the blob.
	GetAndUpdate	Atomically gets the content and replaces it.
	GetExpiryTime	Gets the expiry time. (Inherited from QdbExpirableEntry.)
	GetTags	Gets the tags of the entry (Inherited from QdbEntry.)
	HasTag(String)	Checks if the entry has the specified tag. (Inherited from QdbEntry.)
	HasTag(QdbTag)	Checks if the entry has the specified tag. (Inherited from QdbEntry.)
	Put	Sets the content, but fails if the blob already exists.
	Remove	Removes the entry from the database. (Inherited from QdbEntry.)
	RemoveIf	Atomically compares the content and deletes the blob when it matches.
	Update	Replaces the content.

Remarks

QdbBlob can be constructed via Blob(String).

Examples

Here is how to put a blob in the database:

byte[] myData;
var cluster = new QdbCluster("qdb://127.0.0.1:2836");

cluster.Blob("some name").Put(myData);

Dim myData As Byte()
Dim cluster = New QdbCluster("qdb://127.0.0.1:2836")

cluster.Blob("some name").Put(myData)