method to determine whether the resource at the given path is cached . concode_field_sep Map<String,String> eTags concode_elem_sep Map<String,Resource> resources concode_field_sep String getETag concode_elem_sep boolean cacheResource concode_elem_sep int getSizeOfCache concode_elem_sep Resource getCachedResource
boolean function ( String arg0 ) { return ! resources . isEmpty ( ) && resources . containsKey ( arg0 ) ; }