PrintVisitor.NullPrintVisitor (Jep with extensions API )

java.lang.Object
- com.singularsys.jep.PrintVisitor
- - com.singularsys.jep.PrintVisitor.NullPrintVisitor

All Implemented Interfaces:

JepComponent, ParserVisitor, java.io.Serializable

Enclosing class:

PrintVisitor
```
public static class PrintVisitor.NullPrintVisitor
extends PrintVisitor
```
A do-nothing version of a PrintVisitor for reducing memory usage.

Since:

3.5

Author:

Richard Morris

See Also:

Serialized Form

- Nested Class Summary
  - Nested classes/interfaces inherited from class com.singularsys.jep.PrintVisitor
    PrintVisitor.NullPrintVisitor, PrintVisitor.PrintRulesI, PrintVisitor.StdElePrintRule, PrintVisitor.StdListPrintRule
- Field Summary
  - Fields inherited from class com.singularsys.jep.PrintVisitor
    COMPLEX_I, format, fp, FULL_BRACKET, FunctionArgSep, FunLBracket, FunRBracket, LBracket, mode, NULL_PRINT_VISITOR, ot, RBracket, sb, specialFunRules, specialRules, specialVarName
- Method Summary
  
  All Methods Instance Methods Concrete Methods
  Modifier and Type Method Description
  
  JepComponent getLightWeightInstance()
  Returns this
  
  void init(Jep jep)
  Initialize the component.
  - Methods inherited from class com.singularsys.jep.PrintVisitor
    addSpecialRule, addSpecialRule, addSpecialVarName, append, formatValue, formatValue, getFunArgSep, getFunLBracket, getFunRBracket, getLBracket, getMaxLen, getMode, getMode, getRBracket, print, print, printBrackets, println, println, printNoBrackets, printWrap, setFunArgSep, setFunLBracket, setFunRBracket, setLBracket, setMaxLen, setMode, setNumberFormat, setRBracket, testLeft, testMid, testRight, toString, visit, visit, visit, visit, visitBinary, visitUnary
  - Methods inherited from class java.lang.Object
    clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

- Method Detail
  - init
```
public void init(Jep jep)
```
    Description copied from interface: JepComponent
    
    Initialize the component. This methods is called whenever a component is added to Jep. Hence it allows components to keep track of the other components they may rely on.
    
    Specified by:
    
    init in interface JepComponent
    
    Overrides:
    
    init in class PrintVisitor
    
    Parameters:
    
    jep - the current Jep instance
  - getLightWeightInstance
```
public JepComponent getLightWeightInstance()
```
    Returns this
    
    Specified by:
    
    getLightWeightInstance in interface JepComponent
    
    Overrides:
    
    getLightWeightInstance in class PrintVisitor
    
    Returns:
    
    either an new instance, null or 'this'.