modules/implementation-spring-old/src/main/java/org/apache/tuscany/sca/implementation/spring/xml/SpringBeanPojoProcessor.java [157:269]:
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    private <T> void calcPropRefs(Set<Method> methods,
                                  List<org.apache.tuscany.sca.assembly.Service> services,
                                  JavaImplementation type,
                                  Class<T> clazz) throws IntrospectionException {
        // heuristically determine the properties references
        // make a first pass through all public methods with one param
        Set<String> setters = new HashSet<String>();
        Set<String> others = new HashSet<String>();
        for (Method method : methods) {
            if (!isPublicSetter(method)) {
                continue;
            }
            if (method.isAnnotationPresent(Callback.class) || method.isAnnotationPresent(Context.class)) {
                // Add the property name as others
                others.add(toPropertyName(method.getName()));
                continue;
            }
            if (!isInServiceInterface(method, services)) {
                // Not part of the service interface
                String name = toPropertyName(method.getName());
                setters.add(name);
                // avoid duplicate property or ref names
                if (!type.getPropertyMembers().containsKey(name) && !type.getReferenceMembers().containsKey(name)) {
                    Class<?> param = method.getParameterTypes()[0];
                    Type genericType = method.getGenericParameterTypes()[0];
                    if (isReferenceType(param, genericType)) {
                        type.getReferences().add(createReference(name, param));
                        type.getReferenceMembers().put(name, new JavaElementImpl(method, 0));
                    } else {
                        type.getProperties().add(createProperty(name, param));
                        type.getPropertyMembers().put(name, new JavaElementImpl(method, 0));
                    }
                }
            }
        }
        // second pass for protected methods with one param
        for (Method method : methods) {
            if (!isProtectedSetter(method)) {
                continue;
            }
            if (method.isAnnotationPresent(Callback.class) || method.isAnnotationPresent(Context.class)) {
                // Add the property name as others
                others.add(toPropertyName(method.getName()));
                continue;
            }
            Class<?> param = method.getParameterTypes()[0];
            String name = toPropertyName(method.getName());
            setters.add(name);
            // avoid duplicate property or ref names
            if (isReferenceType(param, method.getGenericParameterTypes()[0])) {
                if (!type.getReferenceMembers().containsKey(name)) {
                    type.getReferences().add(createReference(name, param));
                    type.getReferenceMembers().put(name, new JavaElementImpl(method, 0));
                }
            } else {
                if (!type.getPropertyMembers().containsKey(name)) {
                    type.getProperties().add(createProperty(name, param));
                    type.getPropertyMembers().put(name, new JavaElementImpl(method, 0));
                }
            }
        }

        // Public or protected fields unless there is a public or protected
        // setter method
        // for the same name
        Set<Field> fields = getAllPublicAndProtectedFields(clazz, false);
        for (Field field : fields) {
            if (field.isAnnotationPresent(Callback.class) || field.isAnnotationPresent(Context.class)) {
                continue;
            }
            if (setters.contains(field.getName()) || others.contains(field.getName())) {
                continue;
            }
            String name = field.getName();
            Class<?> paramType = field.getType();
            if (isReferenceType(paramType, field.getGenericType())) {
                if (!type.getReferenceMembers().containsKey(name)) {
                    type.getReferences().add(createReference(name, paramType));
                    type.getReferenceMembers().put(name, new JavaElementImpl(field));
                }
            } else {
                if (!type.getPropertyMembers().containsKey(name)) {
                    type.getProperties().add(createProperty(name, paramType));
                    type.getPropertyMembers().put(name, new JavaElementImpl(field));
                }
            }
        }
        
        // Private fields unless there is a public or protected
        // setter method for the same name
        Set<Field> privateFields = getPrivateFields(clazz);
        for (Field field : privateFields) {
            if (field.isAnnotationPresent(Callback.class) || field.isAnnotationPresent(Context.class)) {
                continue;
            }
            if (setters.contains(field.getName()) || others.contains(field.getName())) {
                continue;
            }
            String name = field.getName();
            Class<?> paramType = field.getType();
            if (isReferenceType(paramType, field.getGenericType())) {
                if (!type.getReferenceMembers().containsKey(name)) {
                    type.getReferences().add(createReference(name, paramType));
                    type.getReferenceMembers().put(name, new JavaElementImpl(field));
                }
            } else {
                if (!type.getPropertyMembers().containsKey(name)) {
                    type.getProperties().add(createProperty(name, paramType));
                    type.getPropertyMembers().put(name, new JavaElementImpl(field));
                }
            }
        }
    }
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modules/implementation-spring/src/main/java/org/apache/tuscany/sca/implementation/spring/introspect/SpringBeanPojoProcessor.java [157:269]:
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    private <T> void calcPropRefs(Set<Method> methods,
                                  List<org.apache.tuscany.sca.assembly.Service> services,
                                  JavaImplementation type,
                                  Class<T> clazz) throws IntrospectionException {
        // heuristically determine the properties references
        // make a first pass through all public methods with one param
        Set<String> setters = new HashSet<String>();
        Set<String> others = new HashSet<String>();
        for (Method method : methods) {
            if (!isPublicSetter(method)) {
                continue;
            }
            if (method.isAnnotationPresent(Callback.class) || method.isAnnotationPresent(Context.class)) {
                // Add the property name as others
                others.add(toPropertyName(method.getName()));
                continue;
            }
            if (!isInServiceInterface(method, services)) {
                // Not part of the service interface
                String name = toPropertyName(method.getName());
                setters.add(name);
                // avoid duplicate property or ref names
                if (!type.getPropertyMembers().containsKey(name) && !type.getReferenceMembers().containsKey(name)) {
                    Class<?> param = method.getParameterTypes()[0];
                    Type genericType = method.getGenericParameterTypes()[0];
                    if (isReferenceType(param, genericType)) {
                        type.getReferences().add(createReference(name, param));
                        type.getReferenceMembers().put(name, new JavaElementImpl(method, 0));
                    } else {
                        type.getProperties().add(createProperty(name, param));
                        type.getPropertyMembers().put(name, new JavaElementImpl(method, 0));
                    }
                }
            }
        }
        // second pass for protected methods with one param
        for (Method method : methods) {
            if (!isProtectedSetter(method)) {
                continue;
            }
            if (method.isAnnotationPresent(Callback.class) || method.isAnnotationPresent(Context.class)) {
                // Add the property name as others
                others.add(toPropertyName(method.getName()));
                continue;
            }
            Class<?> param = method.getParameterTypes()[0];
            String name = toPropertyName(method.getName());
            setters.add(name);
            // avoid duplicate property or ref names
            if (isReferenceType(param, method.getGenericParameterTypes()[0])) {
                if (!type.getReferenceMembers().containsKey(name)) {
                    type.getReferences().add(createReference(name, param));
                    type.getReferenceMembers().put(name, new JavaElementImpl(method, 0));
                }
            } else {
                if (!type.getPropertyMembers().containsKey(name)) {
                    type.getProperties().add(createProperty(name, param));
                    type.getPropertyMembers().put(name, new JavaElementImpl(method, 0));
                }
            }
        }

        // Public or protected fields unless there is a public or protected
        // setter method
        // for the same name
        Set<Field> fields = getAllPublicAndProtectedFields(clazz, false);
        for (Field field : fields) {
            if (field.isAnnotationPresent(Callback.class) || field.isAnnotationPresent(Context.class)) {
                continue;
            }
            if (setters.contains(field.getName()) || others.contains(field.getName())) {
                continue;
            }
            String name = field.getName();
            Class<?> paramType = field.getType();
            if (isReferenceType(paramType, field.getGenericType())) {
                if (!type.getReferenceMembers().containsKey(name)) {
                    type.getReferences().add(createReference(name, paramType));
                    type.getReferenceMembers().put(name, new JavaElementImpl(field));
                }
            } else {
                if (!type.getPropertyMembers().containsKey(name)) {
                    type.getProperties().add(createProperty(name, paramType));
                    type.getPropertyMembers().put(name, new JavaElementImpl(field));
                }
            }
        }
        
        // Private fields unless there is a public or protected
        // setter method for the same name
        Set<Field> privateFields = getPrivateFields(clazz);
        for (Field field : privateFields) {
            if (field.isAnnotationPresent(Callback.class) || field.isAnnotationPresent(Context.class)) {
                continue;
            }
            if (setters.contains(field.getName()) || others.contains(field.getName())) {
                continue;
            }
            String name = field.getName();
            Class<?> paramType = field.getType();
            if (isReferenceType(paramType, field.getGenericType())) {
                if (!type.getReferenceMembers().containsKey(name)) {
                    type.getReferences().add(createReference(name, paramType));
                    type.getReferenceMembers().put(name, new JavaElementImpl(field));
                }
            } else {
                if (!type.getPropertyMembers().containsKey(name)) {
                    type.getProperties().add(createProperty(name, paramType));
                    type.getPropertyMembers().put(name, new JavaElementImpl(field));
                }
            }
        }
    }
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