Package org.camunda.bpm.engine.impl.javax.el

Class VariableMapper

  • public abstract class VariableMapper
extends java.lang.Object
    The interface to a map between EL variables and the EL expressions they are associated with.

    • Constructor Summary

      Constructors 
      Constructor Description
      VariableMapper()  

    • Method Summary

      All Methods Instance Methods Abstract Methods 
      Modifier and Type Method Description
      abstract ValueExpression resolveVariable​(java.lang.String variable)
      Resolves the specified variable name to a ValueExpression.
      abstract ValueExpression setVariable​(java.lang.String variable, ValueExpression expression)
      Assign a ValueExpression to an EL variable, replacing any previously assignment to the same variable.

      • Methods inherited from class java.lang.Object

        clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

    • Constructor Detail

      • VariableMapper

        public VariableMapper()

    • Method Detail

      • resolveVariable

        public abstract ValueExpression resolveVariable​(java.lang.String variable)
        Resolves the specified variable name to a ValueExpression.
        Parameters:
        variable - The variable name
        Returns:
        the ValueExpression assigned to the variable, null if there is no previous assignment to this variable.

      • setVariable

        public abstract ValueExpression setVariable​(java.lang.String variable,
                                            ValueExpression expression)
        Assign a ValueExpression to an EL variable, replacing any previously assignment to the same variable. The assignment for the variable is removed if the expression is null.
        Parameters:
        variable - The variable name
        expression - The ValueExpression to be assigned to the variable.
        Returns:
        The previous ValueExpression assigned to this variable, null if there is no previous assignment to this variable.