How to use

through

method

in

net.java.ao.ManyToMany

private static void validateManyToManyAnnotation(final Method method) {
  final ManyToMany manyToMany = method.getAnnotation(ManyToMany.class);
  if (manyToMany != null) {
    final Class<? extends RawEntity<?>> throughType = manyToMany.value();
    final String reverse = manyToMany.reverse();
    if (reverse.length() != 0) {
      try {
        throughType.getMethod(reverse);
      } catch (final NoSuchMethodException exception) {
        throw new IllegalArgumentException(method + " has a ManyToMany annotation with an invalid reverse element value. It must be the name of the corresponding getter method on the joining entity.", exception);
      }
    }
    if (manyToMany.through().length() != 0) {
      try {
        throughType.getMethod(manyToMany.through());
      } catch (final NoSuchMethodException exception) {
        throw new IllegalArgumentException(method + " has a ManyToMany annotation with an invalid through element value. It must be the name of the getter method on the joining entity that refers to the remote entities.", exception);
      }
    }
  }
}

private static void validateManyToManyAnnotation(final Method method) {
  final ManyToMany manyToMany = method.getAnnotation(ManyToMany.class);
  if (manyToMany != null) {
    final Class<? extends RawEntity<?>> throughType = manyToMany.value();
    final String reverse = manyToMany.reverse();
    if (reverse.length() != 0) {
      try {
        throughType.getMethod(reverse);
      } catch (final NoSuchMethodException exception) {
        throw new IllegalArgumentException(method + " has a ManyToMany annotation with an invalid reverse element value. It must be the name of the corresponding getter method on the joining entity.", exception);
      }
    }
    if (manyToMany.through().length() != 0) {
      try {
        throughType.getMethod(manyToMany.through());
      } catch (final NoSuchMethodException exception) {
        throw new IllegalArgumentException(method + " has a ManyToMany annotation with an invalid through element value. It must be the name of the getter method on the joining entity that refers to the remote entities.", exception);
      }
    }
  }
}

if (manyToManyAnnotation.reverse().isEmpty() || manyToManyAnnotation.through().isEmpty()) {
  ret = legacyFetchManyToMany((RawEntity<K>) proxy, method, manyToManyAnnotation);
} else {

if (manyToManyAnnotation.reverse().isEmpty() || manyToManyAnnotation.through().isEmpty()) {
  ret = legacyFetchManyToMany((RawEntity<K>) proxy, method, manyToManyAnnotation);
} else {

final Preload preloadAnnotation = (Preload) remoteType.getAnnotation(Preload.class);
final Method reverseMethod = throughType.getMethod(annotation.reverse());
final Method throughMethod = throughType.getMethod(annotation.through());
final String reversePolymorphicTypeFieldName = getAttributeTypeFromMethod(reverseMethod).isAnnotationPresent(Polymorphic.class) ? getFieldNameConverter().getPolyTypeName(reverseMethod) : null;
final String remotePolymorphicTypeFieldName = getAttributeTypeFromMethod(throughMethod).isAnnotationPresent(Polymorphic.class) ? getFieldNameConverter().getPolyTypeName(throughMethod) : null;

final Preload preloadAnnotation = (Preload) remoteType.getAnnotation(Preload.class);
final Method reverseMethod = throughType.getMethod(annotation.reverse());
final Method throughMethod = throughType.getMethod(annotation.through());
final String reversePolymorphicTypeFieldName = getAttributeTypeFromMethod(reverseMethod).isAnnotationPresent(Polymorphic.class) ? getFieldNameConverter().getPolyTypeName(reverseMethod) : null;
final String remotePolymorphicTypeFieldName = getAttributeTypeFromMethod(throughMethod).isAnnotationPresent(Polymorphic.class) ? getFieldNameConverter().getPolyTypeName(throughMethod) : null;