org.sql.generation.api.grammar.definition.table.UniqueSpecification Maven / Gradle / Ivy
/*
* Copyright (c) 2010, Stanislav Muhametsin. All Rights Reserved.
*
* 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.sql.generation.api.grammar.definition.table;
/**
* This syntax element represents the two kind of uniqueness of a column(s): either that the column(s) are
* {@code PRIMARY KEY} ({@link #PRIMARY_KEY}), or {@code UNIQUE} ({@link #UNIQUE}).
*
* @author Stanislav Muhametsin
*/
public final class UniqueSpecification
{
/**
* Represents the primary key uniqueness ({@code PRIMARY KEY(col1, col2, ...)}).
*/
public static final UniqueSpecification PRIMARY_KEY = new UniqueSpecification();
/**
* Represents the normal uniqueness ({@code UNIQUE(col1, col2, ...)}).
*/
public static final UniqueSpecification UNIQUE = new UniqueSpecification();
}