text: /**
   * Copyright 1999-2011 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.client.router.rules;
  
  import org.apache.commons.lang.StringUtils;
  import org.apache.commons.lang.Validate;
  
  import com.alibaba.cobar.client.router.rules.ibatis.AbstractIBatisOrientedRule;
  
  /**
   * vertical partitioning oriented rule that matches against entity/table type.<br>
   * 
   * @author fujohnwang
   * @param <F>, the fact type
   * @param <T>, the action result type
   * @see AbstractIBatisOrientedRule
   */
  public abstract class AbstractEntityTypeRule<F, T> implements IRoutingRule<F, T> {
  
      private String typePatten; // when 
      private String action; // then, it's a more generic expression, although for us, a String[] is preferable.
  
      public AbstractEntityTypeRule(String pattern, String action) {
          Validate.notEmpty(StringUtils.trim(pattern));
          Validate.notEmpty(StringUtils.trim(action));
  
          this.typePatten = pattern;
          this.action = action;
      }
  
      public void setTypePattern(String leftExpression) {
          this.typePatten = leftExpression;
      }
  
      public String getTypePattern() {
          return typePatten;
      }
  
      public void setAction(String rightExpression) {
          this.action = rightExpression;
      }
  
      public String getAction() {
          return action;
      }
  
      @Override
      public int hashCode() {
          final int prime = 31;
          int result = 1;
          result = prime * result + ((action == null) ? 0 : action.hashCode());
          result = prime * result + ((typePatten == null) ? 0 : typePatten.hashCode());
          return result;
      }
  
      @Override
      public boolean equals(Object obj) {
          if (this == obj)
              return true;
          if (obj == null)
              return false;
          if (getClass() != obj.getClass())
              return false;
          AbstractEntityTypeRule other = (AbstractEntityTypeRule) obj;
          if (action == null) {
              if (other.action != null)
                  return false;
          } else if (!action.equals(other.action))
              return false;
          if (typePatten == null) {
              if (other.typePatten != null)
                  return false;
          } else if (!typePatten.equals(other.typePatten))
              return false;
          return true;
      }
  
  }
  