/*
 * 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.DbType;
import com.alibaba.druid.sql.ast.SQLCommentHint;
import com.alibaba.druid.sql.ast.SQLObject;
import com.alibaba.druid.sql.ast.SQLStatement;
import com.alibaba.druid.sql.ast.SQLStatementImpl;
import com.alibaba.druid.sql.visitor.SQLASTVisitor;

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

public class SQLExplainStatement extends SQLStatementImpl {
    protected String type;
    protected String format;
    protected boolean extended;
    protected boolean dependency;
    protected boolean authorization;
    protected boolean optimizer;
    protected SQLStatement statement;
    protected List<SQLCommentHint> hints;
    protected boolean parenthesis;

    public SQLExplainStatement() {
    }

    public SQLExplainStatement(DbType dbType) {
        super(dbType);
    }

    public SQLStatement getStatement() {
        return statement;
    }

    public void setStatement(SQLStatement statement) {
        if (statement != null) {
            statement.setParent(this);
        }
        this.statement = statement;
    }

    public String getType() {
        return type;
    }

    public void setType(String type) {
        this.type = type;
    }

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

    public List<SQLCommentHint> getHints() {
        return hints;
    }

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

    @Override
    public List<SQLObject> getChildren() {
        List<SQLObject> children = new ArrayList<SQLObject>();
        if (statement != null) {
            children.add(statement);
        }
        return children;
    }

    public boolean isExtended() {
        return extended;
    }

    public void setExtended(boolean extended) {
        this.extended = extended;
    }

    public boolean isDependency() {
        return dependency;
    }

    public void setDependency(boolean dependency) {
        this.dependency = dependency;
    }

    public boolean isAuthorization() {
        return authorization;
    }

    public void setAuthorization(boolean authorization) {
        this.authorization = authorization;
    }

    public boolean isOptimizer() {
        return optimizer;
    }

    public void setOptimizer(boolean optimizer) {
        this.optimizer = optimizer;
    }

    public String getFormat() {
        return format;
    }

    public void setFormat(String format) {
        this.format = format;
    }

    public boolean isParenthesis() {
        return parenthesis;
    }

    public void setParenthesis(boolean parenthesis) {
        this.parenthesis = parenthesis;
    }
}
