How to use

getValue

method

in

org.scijava.module.ModuleItem

/** 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);
}

private <T> void saveInput(final ModuleItem<T> input) {
  final T value = input.getValue(this);
  moduleService.save(input, 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);
}

private <T> void saveInput(final ModuleItem<T> input) {
  final T value = input.getValue(this);
  moduleService.save(input, value);
}

  static Object run(final Module module) {
    module.run();

    final List<Object> outputs = new ArrayList<>();
    for (final ModuleItem<?> output : module.getInfo().outputs()) {
      final Object value = output.getValue(module);
      outputs.add(value);
    }
    return outputs.size() == 1 ? outputs.get(0) : outputs;
  }
}

public DefaultWidgetModel(final Context context, final InputPanel<?, ?> inputPanel,
  final Module module, final ModuleItem<?> item, final List<?> objectPool)
{
  setContext(context);
  this.inputPanel = inputPanel;
  this.module = module;
  this.item = item;
  this.objectPool = objectPool;
  convertedObjects = new WeakHashMap<>();
  if (item.getValue(module) == null) {
    // assign the item's default value as the current value
    setValue(moduleService.getDefaultValue(item));
  }
}

public DefaultWidgetModel(final Context context, final InputPanel<?, ?> inputPanel,
  final Module module, final ModuleItem<?> item, final List<?> objectPool)
{
  setContext(context);
  this.inputPanel = inputPanel;
  this.module = module;
  this.item = item;
  this.objectPool = objectPool;
  convertedObjects = new WeakHashMap<>();
  if (item.getValue(module) == null) {
    // assign the item's default value as the current value
    setValue(moduleService.getDefaultValue(item));
  }
}

protected <T> void update(final ModuleItem<T> item, final T newValue) {
  final T oldValue = item.getValue(this);
  if (oldValue != newValue) {
    item.setValue(this, newValue);
    try {
      item.callback(this);
    }
    catch (final MethodCallException exc) {
      log.error(exc);
    }
  }
}

private boolean isSimple(final Module m, final ModuleItem<?> item) {
  final Class<?> type = item.getType();
  return isSimpleType(type) || //
    // NB: The output is typed on Object -- maybe the default result output.
    // In this case, let's decide based on the actual value rather than type.
    type == Object.class && isSimpleValue(item.getValue(m));
}

@Override
public Object getValue() {
  final Object value = item.getValue(module);
  if (isMultipleChoice()) return ensureValidChoice(value);
  if (getObjectPool().size() > 0) return ensureValidObject(value);
  return value;
}

@Override
public Object getValue() {
  final Object value = item.getValue(module);
  if (isMultipleChoice()) return ensureValidChoice(value);
  if (getObjectPool().size() > 0) return ensureValidObject(value);
  return value;
}

protected <T> void update(final ModuleItem<T> item, final T newValue) {
  final T oldValue = item.getValue(this);
  if (oldValue != newValue) {
    item.setValue(this, newValue);
    try {
      item.callback(this);
    }
    catch (final MethodCallException exc) {
      log.error(exc);
    }
  }
}

private <T> void assignDefaultValue(final Module module,
  final ModuleItem<T> item)
{
  if (module.isInputResolved(item.getName())) return;
  final T nullValue = Types.nullValue(item.getType());
  if (!Objects.equals(item.getValue(module), nullValue)) return;
  final T defaultValue = moduleService.getDefaultValue(item);
  if (defaultValue == null) return;
  item.setValue(module, defaultValue);
}

private <T> void assignDefaultValue(final Module module,
  final ModuleItem<T> item)
{
  if (module.isInputResolved(item.getName())) return;
  final T nullValue = Types.nullValue(item.getType());
  if (!Objects.equals(item.getValue(module), nullValue)) return;
  final T defaultValue = moduleService.getDefaultValue(item);
  if (defaultValue == null) return;
  item.setValue(module, defaultValue);
}

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

/** Loads the value of the given module item from persistent storage. */
private <T> void loadValue(final Module module, final ModuleItem<T> item) {
  // skip input that has already been resolved
  if (module.isInputResolved(item.getName())) return;
  final T prefValue = moduleService.load(item);
  final Class<T> type = item.getType();
  final T defaultValue = item.getValue(module);
  final T value = getBestValue(prefValue, defaultValue, type);
  item.setValue(module, value);
}

/** Loads the value of the given module item from persistent storage. */
private <T> void loadValue(final Module module, final ModuleItem<T> item) {
  // skip input that has already been resolved
  if (module.isInputResolved(item.getName())) return;
  final T prefValue = moduleService.load(item);
  final Class<T> type = item.getType();
  final T defaultValue = item.getValue(module);
  final T value = getBestValue(prefValue, defaultValue, type);
  item.setValue(module, value);
}

@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 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);
  }
}