runtime/org.argeo.slc.support.simple/src/main/java/org/argeo/slc/diff/DataInterpreter.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 /**
  20  * Converts data into a format better adapted for comparison. It is typically
  21  * used to convert <code>String</code> into typed format such as
  22  * <code>BigDecimal</code>
  23  */
  24 public interface DataInterpreter {
  25         /**
  26          * Converts data
  27          *
  28          * @param key
  29          *            any object used to differentiate the type of data (e.g.
  30          *            column, path)
  31          * @param value
  32          *            the data to convert
  33          * @return the converted object
  34          */
  35         public Object convert(Object key, Object value);
  36 }