PrintVisitor.NullPrintVisitor

java.lang.Object

com.singularsys.jep.PrintVisitor

com.singularsys.jep.PrintVisitor.NullPrintVisitor

All Implemented Interfaces:: JepComponent, ParserVisitor, 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

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 Details
- init
  
  public void init(Jep jep)
  
  Description copied from interface: JepComponent
  
  Initialize the component. This method 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 a new instance, null or 'this'.