package net.sf.sapjcosupport;

 import org.springframework.util.MethodInvoker;

 import java.lang.reflect.Field;

 import java.util.Collections;

 import java.util.HashMap;

 import java.util.Map;

 /**

  * @author Niki Driessen

  * @since May 24, 2006 - 1:52:39 PM  

  */

 public class SimpleReflectionCache {

     private final static Map cache;

     private static final String INVOKER_CACHE_KEY = "_invoker";

     private static final String FIELD_CACHE_KEY = "_field";

     static {

         cache = Collections.synchronizedMap(new HashMap());

     }

     public MethodInvoker getCachedInvoker(SapFieldMapping sapFieldMapping) {

         String cacheKey = String.valueOf(sapFieldMapping.hashCode());

         return (MethodInvoker) cache.get(cacheKey + INVOKER_CACHE_KEY);

     }

     public void cacheInvoker(SapFieldMapping sapFieldMapping, MethodInvoker invoker) {

         String cacheKey = String.valueOf(sapFieldMapping.hashCode());

         cache.put(cacheKey + INVOKER_CACHE_KEY, invoker);

     }

     public Field getCachedField(SapFieldMapping sapFieldMapping) {

         String cacheKey = String.valueOf(sapFieldMapping.hashCode());

         return (Field) cache.get(cacheKey + FIELD_CACHE_KEY);

     }

     public void cacheField(SapFieldMapping sapFieldMapping, Field field) {

         String cacheKey = String.valueOf(sapFieldMapping.hashCode());

         cache.put(cacheKey + FIELD_CACHE_KEY, field);

     }

 }