ObjectDbGetByIndexT Method

Gets objects from the database by an index over a non primary key property. Because non primary index values may not be unique, a set of results is returned.

Namespace: Orthogonal.ObjectDb.Esent
Assembly: Orthogonal.ObjectDb.Esent (in Orthogonal.ObjectDb.Esent.dll) Version: 4.0.0

Syntax

Copy

public IEnumerable<T> GetByIndex<T>(
	string propertyIndexName,
	Object matchValue
)
where T : class, new()

Parameters

propertyIndexName: Type: SystemString
The name of the property index to search. The property must not be part of the primary key. The property Type cannot be byte[]. If no property with the specified name is found on the Type being processed, then an empty set is returned.
matchValue: Type: SystemObject
The value to match when searching the property index. Objects are only returned if their property value exactly matches this key value.

Type Parameters

T: The type of object to retrieve.

Return Value

Type: IEnumerableT
An enumerable set of objects of type T.

Implements

IObjectDbEsentGetByIndexT(String, Object)

Exceptions

Exception	Condition
ArgumentNullException	Thrown if propertyIndexName or matchValue is null.
ArgumentException	Thrown if there is a mismatch between the propertyIndexName property Type and the matchValue object Type.

Reference

ObjectDb Class