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.*;
  import com.alibaba.druid.sql.visitor.SQLASTVisitor;
  
  import java.util.ArrayList;
  import java.util.Arrays;
  import java.util.List;
  
  public class SQLDescribeStatement extends SQLStatementImpl implements SQLReplaceable {
      protected SQLName object;
      protected SQLName column;
      protected boolean extended;
      protected boolean formatted;
  
      // for odps
      protected SQLObjectType objectType;
      protected List<SQLExpr> partition = new ArrayList<SQLExpr>();
  
      public SQLName getObject() {
          return object;
      }
  
      public void setObject(SQLName object) {
          this.object = object;
      }
  
      public SQLName getColumn() {
          return column;
      }
  
      public void setColumn(SQLName column) {
          if (column != null) {
              column.setParent(this);
          }
          this.column = column;
      }
  
      public List<SQLExpr> getPartition() {
          return partition;
      }
  
      public void setPartition(List<SQLExpr> partition) {
          this.partition = partition;
      }
  
      public SQLObjectType getObjectType() {
          return objectType;
      }
  
      public void setObjectType(SQLObjectType objectType) {
          this.objectType = objectType;
      }
  
      public boolean isExtended() {
          return extended;
      }
  
      public void setExtended(boolean extended) {
          this.extended = extended;
      }
  
      public boolean isFormatted() {
          return formatted;
      }
  
      public void setFormatted(boolean formatted) {
          this.formatted = formatted;
      }
  
      @Override
      protected void accept0(SQLASTVisitor visitor) {
          if (visitor.visit(this)) {
              acceptChild(visitor, object);
              acceptChild(visitor, column);
          }
          visitor.endVisit(this);
      }
  
      @Override
      public List<SQLObject> getChildren() {
          return Arrays.<SQLObject>asList(this.object, column);
  
      }
  
      public boolean replace(SQLExpr expr, SQLExpr target) {
          if (object == expr) {
              setObject((SQLName) target);
              return true;
          }
  
          if (column == expr) {
              setColumn((SQLName) target);
              return true;
          }
  
          return false;
      }
  }
  