org.eclipse.ecf.presence.search
Interface ICriterion
- All Known Implementing Classes:
- LogicalCriterion, SimpleCriterion
public interface ICriterion
A representation of a query criterion for a restriction in a Criteria.
A Criteria is formed by one or several criterion,
that together are able to compose an entire expression to project
a result that match the criteria. The instances of this should be
created for IRestriction
implementations.
- Since:
- 2.0
Method Summary |
java.lang.String |
toExpression()
Returns a expression composed for the search. |
toExpression
java.lang.String toExpression()
- Returns a expression composed for the search.
The String can be something like 'field' + 'operator' + value,
that it will be interpreted for each specific provider.
- Returns:
- String