TemplateEngine.ConstantExpression

java.lang.Object

org.apache.commons.jexl3.internal.TemplateEngine.TemplateExpression

org.apache.commons.jexl3.internal.TemplateEngine.ConstantExpression

All Implemented Interfaces:: JxltEngine.Expression

Enclosing class:: TemplateEngine

final class TemplateEngine.ConstantExpression extends TemplateEngine.TemplateExpression

A constant unified expression.

Field Summary

Fields

Modifier and Type

Field

Description

private final Object

value

The constant held by this unified expression.

Fields inherited from class org.apache.commons.jexl3.internal.TemplateEngine.TemplateExpression
source
Constructor Summary

Constructors

Constructor

Description

ConstantExpression(Object val, TemplateEngine.TemplateExpression source)

Creates a constant unified expression.
Method Summary

Modifier and Type

Method

Description

StringBuilder

asString(StringBuilder strb)

Adds this expression's string representation to a StringBuilder.

protected Object

evaluate(Interpreter interpreter)

Interprets a sub-expression.

(package private) TemplateEngine.ExpressionType

getType()

Gets this TemplateExpression type.

Methods inherited from class org.apache.commons.jexl3.internal.TemplateEngine.TemplateExpression
asString, evaluate, evaluate, getInfo, getSource, getVariables, getVariables, isDeferred, isImmediate, options, prepare, prepare, prepare, toString

Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait

Field Details
- value
  
  private final Object value
  
  The constant held by this unified expression.
Constructor Details
- ConstantExpression
  
  ConstantExpression(Object val, TemplateEngine.TemplateExpression source)
  
  Creates a constant unified expression.
  If the wrapped constant is a string, it is treated as a JEXL strings with respect to escaping.
  
  Parameters:
  
  val - the constant value
  
  source - the source TemplateExpression if any
Method Details
- asString
  
  public StringBuilder asString(StringBuilder strb)
  
  Description copied from interface: JxltEngine.Expression
  
  Adds this expression's string representation to a StringBuilder.
  
  Parameters:
  
  strb - the builder to fill
  
  Returns:
  
  the builder argument
- evaluate
  
  protected Object evaluate(Interpreter interpreter)
  
  Description copied from class: TemplateEngine.TemplateExpression
  
  Interprets a sub-expression.
  
  Specified by:
  
  evaluate in class TemplateEngine.TemplateExpression
  
  Parameters:
  
  interpreter - a JEXL interpreter
  
  Returns:
  
  the result of interpretation
- getType
  
  TemplateEngine.ExpressionType getType()
  
  Description copied from class: TemplateEngine.TemplateExpression
  
  Gets this TemplateExpression type.
  
  Specified by:
  
  getType in class TemplateEngine.TemplateExpression
  
  Returns:
  
  its type