Java tutorial
/******************************************************************************* * 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.Target; import java.lang.annotation.Retention; import static java.lang.annotation.ElementType.TYPE; import static java.lang.annotation.RetentionPolicy.RUNTIME; /** * Specifies the primary table for the annotated entity. Additional * tables may be specified using {@link SecondaryTable} or {@link * SecondaryTables} annotation. * * <p> If no <code>Table</code> annotation is specified for an entity * class, the default values apply. * * <pre> * Example: * * @Entity * @Table(name="CUST", schema="RECORDS") * public class Customer { ... } * </pre> * * @since Java Persistence 1.0 */ @Target(TYPE) @Retention(RUNTIME) public @interface Table { /** * (Optional) The name of the table. * <p> Defaults to the entity name. */ String name() default ""; /** (Optional) The catalog of the table. * <p> Defaults to the default catalog. */ String catalog() default ""; /** (Optional) The schema of the table. * <p> Defaults to the default schema for user. */ String schema() default ""; /** * (Optional) Unique constraints that are to be placed on * the table. These are only used if table generation is in * effect. These constraints apply in addition to any constraints * specified by the <code>Column</code> and <code>JoinColumn</code> * annotations and constraints entailed by primary key mappings. * <p> Defaults to no additional constraints. */ UniqueConstraint[] uniqueConstraints() default {}; /** * (Optional) Indexes for the table. These are only used if * table generation is in effect. Note that it is not necessary * to specify an index for a primary key, as the primary key * index will be created automatically. * * @since Java Persistence 2.1 */ Index[] indexes() default {}; }