ariane-old-core/src/main/java/com/assembla/ariane/jellyfish/proxy/comparators/Equality.java

   1 /*******************************************************************************
   2  * Copyright 2012 Fat Cat
   3  *
   4  * Licensed under the Apache License, Version 2.0 (the "License");
   5  * you may not use this file except in compliance with the License.
   6  * You may obtain a copy of the License at
   7  *
   8  *   http://www.apache.org/licenses/LICENSE-2.0
   9  *
  10  * Unless required by applicable law or agreed to in writing, software
  11  * distributed under the License is distributed on an "AS IS" BASIS,
  12  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  13  * See the License for the specific language governing permissions and
  14  * limitations under the License.
  15  ******************************************************************************/
  16 package com.assembla.ariane.jellyfish.proxy.comparators;
  17
  18 /**
  19  * Interface used to specify an equality operator for an validator.
  20  * @author Fat Cat
  21  * @param <T> The equality value.
  22  */
  23 public interface Equality< T >
  24 {
  25
  26   /**
  27    * Checks if both arguments are equal.
  28    * @param first The first argument to compare.
  29    * @param second The second argument to compare.
  30    * @return True, if they are.
  31    */
  32   boolean equals( T first, T second );
  33
  34   /**
  35    * Checks if the given argument is a validator according to this equality
  36    * principle.
  37    * @param val The value to check for a valid validator.
  38    * @return True, if the value is a valid validator.
  39    */
  40   boolean isValidator( T val );
  41
  42 }