org.tinygroup.tinysqldsl.select.SetOperation Maven / Gradle / Ivy
/**
* Copyright (c) 1997-2013, www.tinygroup.org ([email protected]).
*
* Licensed under the GPL, Version 3.0 (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.gnu.org/licenses/gpl.html
*
* 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.tinygroup.tinysqldsl.select;
import org.tinygroup.tinysqldsl.select.SetOperationList.SetOperationType;
/**
* Single Set-Operation (name). Placeholder for one specific set operation, e.g.
* union, intersect.
*/
public abstract class SetOperation {
/**
* 操作类型
*/
private SetOperationType type;
public SetOperation(SetOperationType type) {
this.type = type;
}
public String toString() {
return type.name();
}
}