/**
  * @param variable
  * @param value
  */
 public void setValue(final Variable variable, final String value) {
   variable.setValue(value);
   fireEvent(VARIABLE_VALUE, null, variable);
 }
 /**
  * @param mapping
  * @param variable
  * @return <code>true</code> if the supplied mapping contains the supplied variable
  */
 public boolean mappingContainsVariable(
     final MappingOperation<?, ?> mapping, final Variable variable) {
   return mapping != null
       && mapping.getType() == MappingType.VARIABLE
       && ((VariableMapping) mapping).getSource().getName().equals(variable.getName());
 }