/*
 * Copyright 1999-2017 Alibaba Group Holding Ltd.
 *
 * 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.alibaba.druid.sql.ast.statement;

import com.alibaba.druid.sql.ast.SQLExpr;
import com.alibaba.druid.sql.ast.expr.SQLListExpr;
import com.alibaba.druid.sql.visitor.SQLASTVisitor;

import java.util.ArrayList;
import java.util.List;

public class SQLValuesQuery extends SQLSelectQueryBase {
    private List<SQLExpr> values = new ArrayList<SQLExpr>();

    public List<SQLExpr> getValues() {
        return values;
    }

    public void addValue(SQLListExpr value) {
        value.setParent(this);
        values.add(value);
    }

    @Override
    public void accept0(SQLASTVisitor visitor) {
        if (visitor.visit(this)) {
            acceptChild(visitor, values);
        }
        visitor.endVisit(this);
    }

    public SQLValuesQuery clone() {
        SQLValuesQuery x = new SQLValuesQuery();
        x.parenthesized = parenthesized;

        for (int i = 0; i < values.size(); ++i) {
            SQLExpr value = values.get(i).clone();
            value.setParent(x);
            x.values.add(value);
        }

        return x;
    }
}
