protected void ensureVariablesInitialized() {
   if (!queryVariableValues.isEmpty()) {
     VariableTypes variableTypes = Context.getProcessEngineConfiguration().getVariableTypes();
     for (QueryVariableValue queryVariableValue : queryVariableValues) {
       queryVariableValue.initialize(variableTypes);
     }
   }
 }
 protected void ensureVariablesInitialized() {
   VariableTypes types = Context.getProcessEngineConfiguration().getVariableTypes();
   for (QueryVariableValue var : queryVariableValues) {
     var.initialize(types);
   }
   if (orQueryObject != null) {
     orQueryObject.ensureVariablesInitialized();
   }
 }
 protected void ensureVariablesInitialized() {
   VariableSerializers types = Context.getProcessEngineConfiguration().getVariableSerializers();
   for (QueryVariableValue var : variables) {
     var.initialize(types);
   }
 }