/**
*
* Copyright
* 2009-2015 Jayway Products AB
* 2016-2017 Föreningen Sambruk
*
* Licensed under AGPL, Version 3.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.gnu.org/licenses/agpl.txt
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package se.streamsource.streamflow.web.domain.interaction.gtd;
import java.lang.annotation.Retention;
import java.lang.annotation.RetentionPolicy;
import org.qi4j.api.constraint.ConstraintDeclaration;
import org.qi4j.api.constraint.Constraints;
/**
* Check that an assignable is assigned or not
*/
@ConstraintDeclaration
@Retention(RetentionPolicy.RUNTIME)
@Constraints(RequiresAssigned.Constraint.class)
public @interface RequiresAssigned
{
public abstract boolean value() default true;
public class Constraint
implements org.qi4j.api.constraint.Constraint<RequiresAssigned, Assignable>
{
public boolean isValid( RequiresAssigned assigned, Assignable value )
{
return assigned.value() == value.isAssigned();
}
}
}