runtime/org.argeo.slc.support.simple/src/main/java/org/argeo/slc/diff/Tolerance.java

   1 /*
   2  * Copyright (C) 2010 Mathieu Baudier <mbaudier@argeo.org>
   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
  17 package org.argeo.slc.diff;
  18
  19 /** Compares objects, eventually using tolerance mechanisms. */
  20 public interface Tolerance {
  21         /**
  22          * Compares objects
  23          *
  24          * @param key
  25          *            any object used to differentiate the type of data (e.g.
  26          *            column, path)
  27          * @param expected
  28          *            the expected value
  29          * @param reached
  30          *            the reached value
  31          * @return the converted object
  32          */
  33         public Boolean compare(Object key, Object expected, Object reached);
  34 }