/*
* Copyright 2004-2015 the Seasar Foundation and the Others.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND,
* either express or implied. See the License for the specific language
* governing permissions and limitations under the License.
*/
package org.seasar.extension.jdbc.gen.desc;
import javax.persistence.UniqueConstraint;
/**
* {@link UniqueKeyDesc 一意キー記述}のファクトリです。
*
* @author taedium
*/
public interface UniqueKeyDescFactory {
/**
* 複数のカラムで表される一意制約の一意キー記述を返します。
*
* @param uniqueConstraint
* 一意制約
* @return 存在する場合は一意キー記述、存在しない場合は{@code null}
*/
UniqueKeyDesc getCompositeUniqueKeyDesc(UniqueConstraint uniqueConstraint);
/**
* 単一のカラムで表される一意制約の一意キー記述を返します。
*
* @param columnDesc
* カラム記述
* @return 存在する場合は一意キー記述、存在しない場合は{@code null}
*/
UniqueKeyDesc getSingleUniqueKeyDesc(ColumnDesc columnDesc);
}