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.SQLObject;
  import com.alibaba.druid.sql.ast.SQLObjectImpl;
  import com.alibaba.druid.sql.visitor.SQLASTVisitor;
  
  import java.util.ArrayList;
  import java.util.List;
  
  public class SQLAlterTableAddPartition extends SQLObjectImpl implements SQLAlterTableItem {
      private boolean ifNotExists;
      private final List<SQLObject> partitions = new ArrayList<SQLObject>(4);
      private SQLExpr partitionCount;
      private SQLExpr location; // hive
  
      public List<SQLObject> getPartitions() {
          return partitions;
      }
  
      public void addPartition(SQLObject x) {
          if (x != null) {
              x.setParent(this);
          }
          this.partitions.add(x);
      }
  
      public boolean isIfNotExists() {
          return ifNotExists;
      }
  
      public void setIfNotExists(boolean ifNotExists) {
          this.ifNotExists = ifNotExists;
      }
  
      public SQLExpr getPartitionCount() {
          return partitionCount;
      }
  
      public void setPartitionCount(SQLExpr x) {
          if (x != null) {
              x.setParent(this);
          }
          this.partitionCount = x;
      }
  
      public SQLExpr getLocation() {
          return location;
      }
  
      public void setLocation(SQLExpr x) {
          if (x != null) {
              x.setParent(this);
          }
          this.location = x;
      }
  
      @Override
      protected void accept0(SQLASTVisitor visitor) {
          if (visitor.visit(this)) {
              acceptChild(visitor, partitions);
              acceptChild(visitor, partitionCount);
              acceptChild(visitor, location);
          }
          visitor.endVisit(this);
      }
  }
  