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/*
 * 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.dialect.mysql.ast.statement;

import com.alibaba.druid.sql.ast.SQLCommentHint;
import com.alibaba.druid.sql.ast.statement.SQLExprTableSource;
import com.alibaba.druid.sql.ast.statement.SQLLockTableStatement;
import com.alibaba.druid.sql.dialect.h2.visitor.H2ASTVisitor;
import com.alibaba.druid.sql.dialect.mysql.ast.MySqlObjectImpl;
import com.alibaba.druid.sql.dialect.mysql.visitor.MySqlASTVisitor;
import com.alibaba.druid.sql.visitor.SQLASTVisitor;

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

public class MySqlLockTableStatement extends MySqlStatementImpl implements SQLLockTableStatement {
    private List items = new ArrayList();

    @Override
    protected void accept0(SQLASTVisitor visitor) {
        if (visitor instanceof H2ASTVisitor) {
            return;
        }
        super.accept0(visitor);
    }

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

    public static enum LockType {
        READ("READ"), READ_LOCAL("READ LOCAL"), WRITE("WRITE"), LOW_PRIORITY_WRITE("LOW_PRIORITY WRITE");

        public final String name;

        LockType(String name) {
            this.name = name;
        }
    }

    public List getItems() {
        return items;
    }

    public void setItems(List items) {
        this.items = items;
    }

    public static class Item extends MySqlObjectImpl {
        private SQLExprTableSource tableSource = new SQLExprTableSource();

        private LockType lockType;

        private List hints;

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

        public SQLExprTableSource getTableSource() {
            return tableSource;
        }

        public void setTableSource(SQLExprTableSource tableSource) {
            if (tableSource != null) {
                tableSource.setParent(this);
            }
            this.tableSource = tableSource;
        }

        public LockType getLockType() {
            return lockType;
        }

        public void setLockType(LockType lockType) {
            this.lockType = lockType;
        }

        public List getHints() {
            return hints;
        }

        public void setHints(List hints) {
            this.hints = hints;
        }
    }
}




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