001 /*
002 * Licensed to the Apache Software Foundation (ASF) under one
003 * or more contributor license agreements. See the NOTICE file
004 * distributed with this work for additional information
005 * regarding copyright ownership. The ASF licenses this file
006 * to you under the Apache License, Version 2.0 (the
007 * "License"); you may not use this file except in compliance
008 * with the License. You may obtain a copy of the License at
009 *
010 * http://www.apache.org/licenses/LICENSE-2.0
011 *
012 * Unless required by applicable law or agreed to in writing,
013 * software distributed under the License is distributed on an
014 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
015 * KIND, either express or implied. See the License for the
016 * specific language governing permissions and limitations
017 * under the License.
018 */
019
020 //
021 // This source code implements specifications defined by the Java
022 // Community Process. In order to remain compliant with the specification
023 // DO NOT add / change / or delete method signatures!
024 //
025
026 package javax.persistence;
027
028 import java.lang.annotation.Retention;
029 import java.lang.annotation.Target;
030 import java.lang.annotation.ElementType;
031 import java.lang.annotation.RetentionPolicy;
032
033 /**
034 * @version $Rev: 467742 $ $Date: 2006-10-25 15:30:38 -0400 (Wed, 25 Oct 2006) $
035 */
036 @Target({ElementType.METHOD, ElementType.FIELD})
037 @Retention(RetentionPolicy.RUNTIME)
038 public @interface JoinColumn {
039 String name() default "";
040
041 String referencedColumnName() default "";
042
043 boolean unique() default false;
044
045 boolean nullable() default true;
046
047 boolean insertable() default true;
048
049 boolean updatable() default true;
050
051 String columnDefinition() default "";
052
053 String table() default "";
054 }