Package org.apache.groovy.contracts.util

Class FieldValues

java.lang.Object

org.apache.groovy.contracts.util.FieldValues

public class FieldValues
extends Object

This utility is meant to be used to replace direct calls to private field variables in class invariants.

Constructor Summary

Constructors

Constructor	Description
FieldValues()

Method Summary

Modifier and Type	Method	Description
static <T> T	fieldValue(Object obj, String fieldName, Class<T> type)	Reads a field value reflectively from the target object wrapped by a generated closure instance.

Methods inherited from class java.lang.Object

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

Constructor Details

FieldValues

public FieldValues()

Method Details

fieldValue

public static <T> T fieldValue(Object obj,
 String fieldName,
 Class<T> type)
                        throws IllegalAccessException

Reads a field value reflectively from the target object wrapped by a generated closure instance.

Type Parameters:

T - the result type

Parameters:

obj - the generated closure instance

fieldName - the field name to read from the wrapped target object

type - the expected field type

Returns:

the reflected field value

Throws:

IllegalAccessException - if reflective access fails