| Interface | Description | 
|---|---|
| Expression | 
 Handles an expression of a repository query. 
The formal view depends on the implementation of the query.  | 
| Class | Description | 
|---|---|
| AndExpression | 
 Constructs an  
Expression corresponding to the logical "and"
 between two others Expression. | 
| BooleanExpression | 
 Constructs an  
Expression corresponding to the boolean comparison with a metadata. | 
| DateExpression | 
 Constructs an  
Expression corresponding to the Date comparison with a metadata. | 
| DoubleExpression | 
 Constructs an  
Expression corresponding to the double comparison with a metadata. | 
| FullTextExpression | 
 Constructs an  
Expression corresponding to a full text search | 
| LongExpression | 
 Constructs an  
Expression corresponding to the long comparison with a metadata. | 
| MetadataExpression | 
 Constructs an  
Expression testing the existence of a metadata. | 
| NotExpression | 
 Constructs an  
Expression corresponding to the logical "not" of another Expression. | 
| OrExpression | 
 Constructs an  
Expression corresponding to the logical "or"
 between two others Expression. | 
| StringExpression | 
 Constructs an  
Expression corresponding to the String comparison with a metadata. | 
| StringWildcardExpression | Deprecated
 use  
StringExpression instead. | 
| UserExpression | 
 Constructs an  
Expression corresponding to a user comparison store as a composite with login and id of population. | 
| VirtualFactoryExpression | 
 Expression matching  
AmetysObjects holding a link to a VirtualAmetysObjectFactory. | 
| Enum | Description | 
|---|---|
| Expression.Operator | 
 Enumeration of available operators in  
Expression |