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46 lines
1.5 KiB
46 lines
1.5 KiB
7 years ago
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/*
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* Copyright (c) 2008, 2009, 2011 Oracle, Inc. All rights reserved.
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*
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* This program and the accompanying materials are made available under the
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* terms of the Eclipse Public License v1.0 and Eclipse Distribution License v. 1.0
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* which accompanies this distribution. The Eclipse Public License is available
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* at http://www.eclipse.org/legal/epl-v10.html and the Eclipse Distribution License
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* is available at http://www.eclipse.org/org/documents/edl-v10.php.
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*/
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package com.fr.third.javax.persistence;
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import java.lang.annotation.Retention;
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import java.lang.annotation.Target;
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import static java.lang.annotation.RetentionPolicy.RUNTIME;
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/**
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* The ForeignKey annotation is used in schema generation. It is used to define a foreign key constraint or to
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* override or disable the persistence provider’s default foreign key definition.
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*
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* @since JPA 2.1
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*/
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@Target({})
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@Retention(RUNTIME)
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public @interface ForeignKey {
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/**
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* (Optional) The name of the foreign key constraint. Defaults to a provider-generated name.
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*
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* @return The foreign key name
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*/
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String name() default "";
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/**
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* (Optional) The foreign key constraint definition. Default is provider defined. If the value of
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* disableForeignKey is true, the provider must not generate a foreign key constraint.
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*
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* @return The foreign key definition
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*/
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String foreignKeyDefinition() default "";
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/**
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* (Optional) Used to specify whether a foreign key constraint should be generated when schema generation is in effect.
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*/
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ConstraintMode value() default ConstraintMode.CONSTRAINT;
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}
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