db4o

Query.Constrain Method 

adds a constraint to this node.

Constraint Constrain(
   object constraint
);

Parameters

constraint
the constraint to be added to this Query.

Return Value

com.db4o.query.Constraint a new com.db4o.query.Constraint for this query node or

null
for objects implementing the com.db4o.query.Evaluation interface.

Remarks

adds a constraint to this node.

If the constraint contains attributes that are not yet present in the query graph, the query graph is extended accordingly.

Special behaviour for:

See Also

Query Interface | com.db4o.query Namespace