code: @Override
      public void clearCache(String cacheInstance) throws javax.management.AttributeNotFoundException {
  
          //Get the cache for this cacheInstance
          DCache cache1 = getCache(cacheInstance);
          cache1.clear();
          if (tc.isDebugEnabled())
              Tr.debug(tc, "clearCache: Exiting. Cleared memory and disk cache for cacheInstance = " + cacheInstance);
  
          return;
      }
docs: /*
  (non-Javadoc)
  
  @see com.ibm.websphere.cache.CacheAdminMBean#clearCache(java.lang.String)