/*
* Copyright 1999-2012 Alibaba Group.
*
* 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.
*/
/**
* (created at 2011-7-5)
*/
package com.alibaba.cobar.parser.ast.stmt.ddl;
import java.util.Collections;
import java.util.LinkedList;
import java.util.List;
import com.alibaba.cobar.parser.ast.expression.primary.Identifier;
import com.alibaba.cobar.parser.util.Pair;
import com.alibaba.cobar.parser.visitor.SQLASTVisitor;
/**
* @author <a href="mailto:shuo.qius@alibaba-inc.com">QIU Shuo</a>
*/
public class DDLRenameTableStatement implements DDLStatement {
private final List<Pair<Identifier, Identifier>> list;
public DDLRenameTableStatement() {
this.list = new LinkedList<Pair<Identifier, Identifier>>();
}
public DDLRenameTableStatement(List<Pair<Identifier, Identifier>> list) {
if (list == null) {
this.list = Collections.emptyList();
} else {
this.list = list;
}
}
public DDLRenameTableStatement addRenamePair(Identifier from, Identifier to) {
list.add(new Pair<Identifier, Identifier>(from, to));
return this;
}
public List<Pair<Identifier, Identifier>> getList() {
return list;
}
@Override
public void accept(SQLASTVisitor visitor) {
visitor.visit(this);
}
}