Package: Id

Id

Coverage

1: /**
2: * Copyright (C) 2020 Czech Technical University in Prague
3: *
4: * This program is free software: you can redistribute it and/or modify it under
5: * the terms of the GNU General Public License as published by the Free Software
6: * Foundation, either version 3 of the License, or (at your option) any
7: * later version.
8: *
9: * This program is distributed in the hope that it will be useful, but WITHOUT
10: * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
11: * FOR A PARTICULAR PURPOSE. See the GNU General Public License for more
12: * details. You should have received a copy of the GNU General Public License
13: * along with this program. If not, see <http://www.gnu.org/licenses/>.
14: */
15: package cz.cvut.kbss.jopa.model.annotations;
16:
17: import java.lang.annotation.Documented;
18: import java.lang.annotation.ElementType;
19: import java.lang.annotation.Retention;
20: import java.lang.annotation.RetentionPolicy;
21: import java.lang.annotation.Target;
22:
23: /**
24: * Specifies the identifier of an entity.
25: *
26: * The basic identifier types that have to be supported are {@link java.net.URI}, {@link java.net.URL} and {@link String}.
27: */
28: @Documented
29: @Retention(RetentionPolicy.RUNTIME)
30: @Target(ElementType.FIELD)
31: public @interface Id {
32:
33: /**
34: * Generates the identifier on persist if it is null.
35: *
36: * @return Whether the id is generated
37: */
38: boolean generated() default false;
39: }