public ComputationGraphUpdater getUpdater ( boolean initializeIfAbsent ) { if ( solver == null && initializeIfAbsent ) { solver = new Solver . Builder ( ) . configure ( conf ( ) ) . listeners ( getListeners ( ) ) . model ( this ) . build ( ) ; solver . getOptimizer ( ) . setUpdaterComputationGraph ( new ComputationGraphUpdater ( this ) ) ; } if ( solver != null ) { return solver . getOptimizer ( ) . getComputationGraphUpdater ( ) ; } return null ; }
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