content: /*
   * Copyright 1999-2012 Alibaba Group.
   *  
   * 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.
   */
  /**
   * (created at 2011-5-18)
   */
  package com.alibaba.cobar.parser.ast.stmt.dml;
  
  import java.util.List;
  
  import com.alibaba.cobar.parser.ast.expression.Expression;
  import com.alibaba.cobar.parser.ast.expression.misc.QueryExpression;
  import com.alibaba.cobar.parser.ast.expression.primary.Identifier;
  import com.alibaba.cobar.parser.ast.expression.primary.RowExpression;
  import com.alibaba.cobar.parser.util.Pair;
  import com.alibaba.cobar.parser.visitor.SQLASTVisitor;
  
  /**
   * @author <a href="mailto:shuo.qius@alibaba-inc.com">QIU Shuo</a>
   */
  public class DMLInsertStatement extends DMLInsertReplaceStatement {
      public static enum InsertMode {
          /** default */
          UNDEF,
          LOW,
          DELAY,
          HIGH
      }
  
      private final InsertMode mode;
      private final boolean ignore;
      private final List<Pair<Identifier, Expression>> duplicateUpdate;
  
      /**
       * (insert ... values | insert ... set) format
       * 
       * @param columnNameList can be null
       */
      @SuppressWarnings("unchecked")
      public DMLInsertStatement(InsertMode mode, boolean ignore, Identifier table, List<Identifier> columnNameList,
                                List<RowExpression> rowList, List<Pair<Identifier, Expression>> duplicateUpdate) {
          super(table, columnNameList, rowList);
          this.mode = mode;
          this.ignore = ignore;
          this.duplicateUpdate = ensureListType(duplicateUpdate);
      }
  
      /**
       * insert ... select format
       * 
       * @param columnNameList can be null
       */
      @SuppressWarnings("unchecked")
      public DMLInsertStatement(InsertMode mode, boolean ignore, Identifier table, List<Identifier> columnNameList,
                                QueryExpression select, List<Pair<Identifier, Expression>> duplicateUpdate) {
          super(table, columnNameList, select);
          this.mode = mode;
          this.ignore = ignore;
          this.duplicateUpdate = ensureListType(duplicateUpdate);
      }
  
      public InsertMode getMode() {
          return mode;
      }
  
      public boolean isIgnore() {
          return ignore;
      }
  
      public List<Pair<Identifier, Expression>> getDuplicateUpdate() {
          return duplicateUpdate;
      }
  
      @Override
      public void accept(SQLASTVisitor visitor) {
          visitor.visit(this);
      }
  }
  