[This topic is pre-release documentation and is subject to change in future releases. Blank topics are included as placeholders.]

registers an attribute provider for special query behavior.

Namespace: Db4objects.Db4o.Config
Assembly:   Db4objects.Db4o (in Db4objects.Db4o.dll)

Syntax

Visual Basic (Declaration)
Sub Compare ( _
	attributeProvider As IObjectAttribute _
)
C#
void Compare (
	IObjectAttribute attributeProvider
)
Visual C++
void Compare (
	IObjectAttribute^ attributeProvider
)

Parameters

attributeProvider
Db4objects.Db4o.Config.IObjectAttribute
the attribute provider to be used

Remarks

registers an attribute provider for special query behavior.

The query processor will compare the object returned by the attribute provider instead of the actual object, both for the constraint and the candidate persistent object.

Preinstalled attribute providers are documented in the sourcecode of com.db4o.samples.translators.Default.java#defaultConfiguration().