com.oceanbase.tools.sqlparser.adapter.mysql.MySQLWindowFactory Maven / Gradle / Ivy
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ob-sql-parser parses an SQL statement into a Java classes.
/*
* Copyright (c) 2023 OceanBase.
*
* 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 com.oceanbase.tools.sqlparser.adapter.mysql;
import com.oceanbase.tools.sqlparser.adapter.StatementFactory;
import com.oceanbase.tools.sqlparser.obmysql.OBParser.Named_windowContext;
import com.oceanbase.tools.sqlparser.obmysql.OBParserBaseVisitor;
import com.oceanbase.tools.sqlparser.statement.common.Window;
import com.oceanbase.tools.sqlparser.statement.common.WindowSpec;
import lombok.NonNull;
/**
* {@link MySQLWindowFactory}
*
* @author yh263208
* @date 2022-12-12 15:48
* @since ODC_release_4.1.0
* @see StatementFactory
*/
public class MySQLWindowFactory extends OBParserBaseVisitor implements StatementFactory {
private final Named_windowContext namedWindowContext;
public MySQLWindowFactory(@NonNull Named_windowContext namedWindowContext) {
this.namedWindowContext = namedWindowContext;
}
@Override
public Window generate() {
return visit(this.namedWindowContext);
}
@Override
public Window visitNamed_window(Named_windowContext ctx) {
StatementFactory factory =
new MySQLWindowSpecFactory(ctx.new_generalized_window_clause_with_blanket());
return new Window(ctx, ctx.NAME_OB().getText(), factory.generate());
}
}