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FieldResult.java
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FieldResult.java
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/**
* Copyright (C) 2016 Czech Technical University in Prague
*
* This program is free software: you can redistribute it and/or modify it under
* the terms of the GNU General Public License as published by the Free Software
* Foundation, either version 3 of the License, or (at your option) any
* later version.
*
* This program is distributed in the hope that it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
* FOR A PARTICULAR PURPOSE. See the GNU General Public License for more
* details. You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
package cz.cvut.kbss.jopa.model.annotations;
import java.lang.annotation.Retention;
import java.lang.annotation.RetentionPolicy;
import java.lang.annotation.Target;
/**
* Used in conjunction with the {@link EntityResult} annotation to map columns specified in the SELECT list of a SPARQL
* query to the properties or fields of an entity class.
* <p>
* Example:
* <pre>
* <code>
* Query q = em.createNativeQuery(
* "SELECT ?x, ?quantity, ?item, ?label, ?description "+
* "WHERE {
* ?x a <http://onto.fel.cvut.cz/ontologies/jopa/Order> ;
* <http://onto.fel.cvut.cz/ontologies/ufo/has_part> ?item .
* ?item a <http://onto.fel.cvut.cz/ontologies/jopa/Order> ;
* rdfs:label ?label;
* rdfs:comment ?description .
* }", "OrderItemResults");
*
* {@literal @}SparqlResultSetMapping(name="OrderItemResults",
* entities={
* {@literal @}EntityResult(entityClass=cz.cvut.kbss.jopa.Order.class, fields = {
* {@literal @}FieldResult(name="uri", variable="x")
* }),
* {@literal @}EntityResult(entityClass=cz.cvut.kbss.jopa.Item.class)
* })
* </code>
* </pre>
*
* @see EntityResult
* @see SparqlResultSetMapping
*/
@Target({})
@Retention(RetentionPolicy.RUNTIME)
public @interface FieldResult {
/**
* Name of the persistent field or property of the class.
*/
String name();
/**
* Name of the variable in the SELECT clause.
*/
String variable();
}