All Downloads are FREE. Search and download functionalities are using the official Maven repository.

javax.persistence.Id Maven / Gradle / Ivy

Go to download

Light wrapper of JDBC, support ddl, dml, query, plsql/procedure/function, transaction and manage sql file.

There is a newer version: 9.0.2
Show newest version
/*******************************************************************************
 * Copyright (c) 2008 - 2013 Oracle Corporation. All rights reserved.
 *
 * This program and the accompanying materials are made available under the
 * terms of the Eclipse Public License v1.0 and Eclipse Distribution License v. 1.0
 * which accompanies this distribution.
 * The Eclipse Public License is available at http://www.eclipse.org/legal/epl-v10.html
 * and the Eclipse Distribution License is available at
 * http://www.eclipse.org/org/documents/edl-v10.php.
 *
 * Contributors:
 *     Linda DeMichiel - Java Persistence 2.1
 *     Linda DeMichiel - Java Persistence 2.0
 *
 ******************************************************************************/
package javax.persistence;

import java.lang.annotation.Retention;
import java.lang.annotation.Target;

import static java.lang.annotation.ElementType.FIELD;
import static java.lang.annotation.ElementType.METHOD;
import static java.lang.annotation.RetentionPolicy.RUNTIME;

/**
 * Specifies the primary key of an entity.
 * The field or property to which the Id annotation is applied
 * should be one of the following types: any Java primitive type;
 * any primitive wrapper type;
 * String;
 * java.util.Date;
 * java.sql.Date;
 * java.math.BigDecimal;
 * java.math.BigInteger.
 *
 * 

The mapped column for the primary key of the entity is assumed * to be the primary key of the primary table. If no Column annotation * is specified, the primary key column name is assumed to be the name * of the primary key property or field. * *

 *   Example:
 *
 *   @Id
 *   public Long getId() { return id; }
 * 
* * @see Column * @since Java Persistence 1.0 */ @Target({METHOD, FIELD}) @Retention(RUNTIME) public @interface Id { }




© 2015 - 2024 Weber Informatics LLC | Privacy Policy