factory method to get an instance of jettyshims based on the version of hadoop on the classpath . concode_field_sep String HADOOP23VERSIONNAME concode_elem_sep AppenderSkeleton eventCounter concode_elem_sep HashMap<String,String> HADOOP_SHIM_CLASSES concode_elem_sep HashMap<String,String> EVENT_COUNTER_SHIM_CLASSES concode_elem_sep HashMap<String,String> HADOOP_THRIFT_AUTH_BRIDGE_CLASSES concode_elem_sep HadoopShims hadoopShims concode_elem_sep SchedulerShim schedulerShim concode_elem_sep JettyShims jettyShims concode_elem_sep HashMap<String,String> JETTY_SHIM_CLASSES concode_elem_sep HadoopThriftAuthBridge hadoopThriftAuthBridge concode_elem_sep String SCHEDULER_SHIM_CLASSE concode_field_sep T loadShims concode_elem_sep String getMajorVersion concode_elem_sep AppenderSkeleton getEventCounter concode_elem_sep HadoopThriftAuthBridge getHadoopThriftAuthBridge concode_elem_sep SchedulerShim getSchedulerShims concode_elem_sep T createShim concode_elem_sep HadoopShims getHadoopShims
JettyShims function ( ) { if ( jettyShims == null ) { jettyShims = loadShims ( JETTY_SHIM_CLASSES , JettyShims . class ) ; } return jettyShims ; }