private static Stage configureParser ( ) { Stage startStage = new StartStage ( ) ; Stage negativeInfinityStage = new NegativeInfinityStage ( ) ; Stage positiveInfinityStage = new PositiveInfinityStage ( ) ; NegateStage negateStage = new NegateStage ( ) ; BracketStage . OpenBracketStage openBraceStage = new BracketStage . OpenBracketStage ( ) ; NumberBoundaryStage . LeftBoundaryStage startBoundaryStage = new NumberBoundaryStage . LeftBoundaryStage ( ) ; NumberBoundaryStage . RightBoundaryStage rightBoundaryStage = new NumberBoundaryStage . RightBoundaryStage ( ) ; SeparatorStage separatorStage = new SeparatorStage ( ) ; BracketStage . ClosedBracketStage closedBraketStage = new BracketStage . ClosedBracketStage ( ) ; startStage . addTransition ( negateStage ) ; startStage . addTransition ( openBraceStage ) ; startStage . addTransition ( negativeInfinityStage ) ; startStage . addTransition ( startBoundaryStage ) ; negateStage . addTransition ( negativeInfinityStage ) ; negateStage . addTransition ( openBraceStage ) ; negateStage . addTransition ( startBoundaryStage ) ; openBraceStage . addTransition ( startBoundaryStage ) ; startBoundaryStage . addTransition ( separatorStage ) ; negativeInfinityStage . addTransition ( separatorStage ) ; separatorStage . addTransition ( positiveInfinityStage ) ; separatorStage . addTransition ( rightBoundaryStage ) ; rightBoundaryStage . addTransition ( closedBraketStage ) ; return startStage ; }
Configures the state machine .