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.
   */
  package com.alibaba.cobar.route;
  
  import com.alibaba.cobar.util.FormatUtil;
  
  /**
   * @author xianmao.hexm
   */
  public final class RouteResultset {
      public static final int SUM_FLAG = 1;
      public static final int MIN_FLAG = 2;
      public static final int MAX_FLAG = 3;
      public static final int REWRITE_FIELD = 4;
  
      private final String statement; // 原始语句
      private RouteResultsetNode[] nodes; // 路由结果节点
      private int flag; // 结果集的处理标识，比如：合并，相加等。
      private long limitSize;
  
      public RouteResultset(String stmt) {
          this.statement = stmt;
          this.limitSize = -1;
      }
  
      public String getStatement() {
          return statement;
      }
  
      public RouteResultsetNode[] getNodes() {
          return nodes;
      }
  
      public void setNodes(RouteResultsetNode[] nodes) {
          this.nodes = nodes;
      }
  
      public int getFlag() {
          return flag;
      }
  
      public void setFlag(int flag) {
          this.flag = flag;
      }
  
      /**
       * @return -1 if no limit
       */
      public long getLimitSize() {
          return limitSize;
      }
  
      public void setLimitSize(long limitSize) {
          this.limitSize = limitSize;
      }
  
      @Override
      public String toString() {
          StringBuilder s = new StringBuilder();
          s.append(statement).append(", route={");
          if (nodes != null) {
              for (int i = 0; i < nodes.length; ++i) {
                  s.append("\n ").append(FormatUtil.format(i + 1, 3));
                  s.append(" -> ").append(nodes[i]);
              }
          }
          s.append("\n}");
          return s.toString();
      }
  
  }
  