content: /*
   * 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.SQLName;
  import com.alibaba.druid.sql.ast.SQLStatementImpl;
  import com.alibaba.druid.sql.ast.expr.SQLIdentifierExpr;
  import com.alibaba.druid.sql.visitor.SQLASTVisitor;
  
  import java.util.ArrayList;
  import java.util.List;
  
  /**
   * @author zz [455910092@qq.com]
   */
  public class SQLOpenStatement extends SQLStatementImpl {
      //cursor name
      private SQLName cursorName;
  
      private final List<SQLExpr> columns = new ArrayList<SQLExpr>();
  
      private SQLExpr forExpr;
  
      private final List<SQLExpr> using = new ArrayList<SQLExpr>();
  
      public SQLOpenStatement() {
      }
  
      public SQLName getCursorName() {
          return cursorName;
      }
  
      public void setCursorName(String cursorName) {
          setCursorName(new SQLIdentifierExpr(cursorName));
      }
  
      public void setCursorName(SQLName cursorName) {
          if (cursorName != null) {
              cursorName.setParent(this);
          }
          this.cursorName = cursorName;
      }
  
      @Override
      protected void accept0(SQLASTVisitor visitor) {
          if (visitor.visit(this)) {
              acceptChild(visitor, cursorName);
              acceptChild(visitor, forExpr);
              acceptChild(visitor, columns);
          }
          visitor.endVisit(this);
      }
  
      public SQLExpr getFor() {
          return forExpr;
      }
  
      public void setFor(SQLExpr forExpr) {
          if (forExpr != null) {
              forExpr.setParent(this);
          }
          this.forExpr = forExpr;
      }
  
      public List<SQLExpr> getColumns() {
          return columns;
      }
  
      public List<SQLExpr> getUsing() {
          return using;
      }
  }
  