Interface ParameterValue


public interface ParameterValue
Represents a parameter and its value.

This used for field comparison algorithms and decision tree node comparison functions.

Code Sample

 public class CustomMatchingUserServiceSample
                      implements UserService<TableViewEntitySelection> {

     public void setupDisplay(
       UserServiceSetupDisplayContext<TableViewEntitySelection> context,
       UserServiceDisplayConfigurator configurator) {

         Session session = context.getSession();
         AdaptationTable table = context.getEntitySelection().getTable();

         MatchingOperations matchingOperations = OperationsFactory
                  .getMatchingOperations(session);

         // execute evaluate matching between two records that using a
         // matching policy with the code 'matchingPolicyCode'
           Adaptation record1 = table
                  .lookupAdaptationByPrimaryKey(PrimaryKey.parseString("1"));
           Adaptation record2 = table
                  .lookupAdaptationByPrimaryKey(PrimaryKey.parseString("2"));
           EvaluateMatchingResult evaluateMatchingResult = matchingOperations
                  .evaluateMatching(record1, record2, "matchingPolicyCode");

           // gets and traverses decision tree nodes in the decision
           // from the root node to the last node
           Iterator<DecisionNode> decisionNodes =
                                  evaluationMatchingResult
                                          .getDecisionNodes().iterator();
           if (decisionNodes.hasNext()) {
               DecisionNode rootNode = decisionNodes.next();
               List<ParameterValue> parameters = rootNode
                      .getComparisonFunctionParameters();
               Integer minimumScore = parameters
                      .stream()
                      .filter(p -> p.getName().equals("minimumScore"))
                      .findFirst()
                      .map(p -> p.getValue(p.getValueType()));
           }
     }
 }

 
  • Method Summary

    Modifier and Type
    Method
    Description
    Gets the parameter's name.
    Gets the string representation of the parameter's value.
    <X> X
    getValue(Class<X> type)
    Gets the parameter's value.
    Gets the parameter type's class.
  • Method Details

    • getName

      String getName()
      Gets the parameter's name.
      Returns:
      String The name of the parameter.
    • getStringValue

      String getStringValue()
      Gets the string representation of the parameter's value.
      Returns:
      String The string representation of the parameter's value.
    • getValue

      <X> X getValue(Class<X> type)
      Gets the parameter's value.
      Parameters:
      type - the parameter's type
      Returns:
      X the parameter's value
      Throws:
      IllegalArgumentException - if the input is null, or the parameter's value cannot be assigned to the specified type
    • getValueType

      Class<?> getValueType()
      Gets the parameter type's class.
      Returns:
      Class The class of the parameter type.