private String pipelineToString ( ) { StringBuilder sb = new StringBuilder ( "in-pipeline[" ) ; InboundHandler [ ] handlers = this . handlers ; for ( int k = 0 ; k < handlers . length ; k ++ ) { if ( k > 0 ) { sb . append ( "->-" ) ; } sb . append ( handlers [ k ] . getClass ( ) . getSimpleName ( ) ) ; } sb . append ( ' ' ) ; return sb . toString ( ) ; }
useful for debugging