How to use org.scijava.module

  /** Does any needed processing, after input values have been harvested. */
  @SuppressWarnings("unused")
  default void processResults(final InputPanel<P, W> inputPanel,
    final Module module) throws ModuleException
  {
    final Iterable<ModuleItem<?>> inputs = module.getInfo().inputs();

    for (final ModuleItem<?> item : inputs) {
      final String name = item.getName();
      module.resolveInput(name);
    }
  }
}

@Override
public <T> ModuleItem<T> getSingleInput(final Module module,
  final Class<T> type)
{
  return getTypedSingleItem(module, type, module.getInfo().inputs());
}

@Override
public <T> ModuleItem<T> getSingleOutput(final Module module,
  final Class<T> type)
{
  return getTypedSingleItem(module, type, module.getInfo().outputs());
}

@Override
public void process(final Module module) {
  for (final ModuleItem<?> input : module.getInfo().inputs()) {
    if (input.isRequired() && input.getValue(module) == null) {
      cancel("'" + input.getName() + "' is required but unset.");
    }
  }
}

@Override
public void process(final Module module) {
  if (displayService == null) return;
  for (final ModuleItem<?> outputItem : module.getInfo().outputs()) {
    if (module.isOutputResolved(outputItem.getName())) continue;
    final Object value = outputItem.getValue(module);
    final String name = defaultName(outputItem);
    final boolean resolved = handleOutput(name, value);
    if (resolved) module.resolveOutput(name);
  }
}

@Override
public ModuleItem<?> getSingleInput(Module module, Collection<Class<?>> types) {
  return getSingleItem(module, types, module.getInfo().inputs());
}

@Override
public ModuleItem<?> getSingleOutput(Module module, Collection<Class<?>> types) {
  return getSingleItem(module, types, module.getInfo().outputs());
}

@Override
public T getValue(final Module module) {
  final Object result;
  if (isInput()) result = module.getInput(getName());
  else if (isOutput()) result = module.getOutput(getName());
  else result = null;
  @SuppressWarnings("unchecked")
  final T value = (T) result;
  return value;
}

@Override
public void setValue(final Module module, final T value) {
  if (isInput()) module.setInput(getName(), value);
  if (isOutput()) module.setOutput(getName(), value);
}

/** Saves the value of the given module item to persistent storage. */
private <T> void saveValue(final Module module, final ModuleItem<T> item) {
  final T value = item.getValue(module);
  moduleService.save(item, value);
}

/** Adds an input to the list. */
default <T> MutableModuleItem<T> addInput(final String name,
  final Class<T> type)
{
  final DefaultMutableModuleItem<T> item =
    new DefaultMutableModuleItem<>(this, name, type);
  addInput(item);
  return item;
}

/** Adds an output to the list. */
default <T> MutableModuleItem<T> addOutput(final String name,
  final Class<T> type)
{
  final DefaultMutableModuleItem<T> item =
    new DefaultMutableModuleItem<>(this, name, type);
  addOutput(item);
  return item;
}

  /** Does any needed processing, after input values have been harvested. */
  @SuppressWarnings("unused")
  default void processResults(final InputPanel<P, W> inputPanel,
    final Module module) throws ModuleException
  {
    final Iterable<ModuleItem<?>> inputs = module.getInfo().inputs();

    for (final ModuleItem<?> item : inputs) {
      final String name = item.getName();
      module.resolveInput(name);
    }
  }
}

@Override
public <T> ModuleItem<T> getSingleInput(final Module module,
  final Class<T> type)
{
  return getTypedSingleItem(module, type, module.getInfo().inputs());
}

@Override
public ModuleItem<?> getSingleInput(Module module, Collection<Class<?>> types) {
  return getSingleItem(module, types, module.getInfo().inputs());
}

@Override
public <T> ModuleItem<T> getSingleOutput(final Module module,
  final Class<T> type)
{
  return getTypedSingleItem(module, type, module.getInfo().outputs());
}

@Override
public ModuleItem<?> getSingleOutput(Module module, Collection<Class<?>> types) {
  return getSingleItem(module, types, module.getInfo().outputs());
}

@Override
public T getValue(final Module module) {
  final Object result;
  if (isInput()) result = module.getInput(getName());
  else if (isOutput()) result = module.getOutput(getName());
  else result = null;
  @SuppressWarnings("unchecked")
  final T value = (T) result;
  return value;
}

/** Saves the value of the given module item to persistent storage. */
private <T> void saveValue(final Module module, final ModuleItem<T> item) {
  final T value = item.getValue(module);
  moduleService.save(item, value);
}

/** Adds an input to the list. */
default <T> MutableModuleItem<T> addInput(final String name,
  final Class<T> type)
{
  final DefaultMutableModuleItem<T> item =
    new DefaultMutableModuleItem<>(this, name, type);
  addInput(item);
  return item;
}