Constructor Detail

• VariableReference

  public VariableReference(QName varName)

  Create a new VariableReference.

  Parameters:

  varName - variable name

Method Detail

• getVariableName

  public QName getVariableName()

  Get the variable name.

  Returns:

  QName

• toString

  public String toString()

  Overrides:

  toString in class Object

• isContextDependent

  public boolean isContextDependent()

  Description copied from class: Expression
  Returns true if this expression should be re-evaluated each time the current position in the context changes.

  Overrides:

  isContextDependent in class Expression

  Returns:

  boolean

• computeContextDependent

  public boolean computeContextDependent()

  Description copied from class: Expression
  Implemented by subclasses and result is cached by isContextDependent()

  Specified by:

  computeContextDependent in class Expression

  Returns:

  calculated context-dependentness as boolean

• compute

  public Object compute(EvalContext context)

  Description copied from class: Expression
  Evaluates the expression. If the result is a node set, returns the first element of the node set.

  Specified by:

  compute in class Expression

  Parameters:

  context - evaluation context

  Returns:

  Object

• computeValue

  public Object computeValue(EvalContext context)

  Returns the value of the variable.

  Specified by:

  computeValue in class Expression

  Parameters:

  context - EvalContext against which to compute the variable's value.

  Returns:

  Object