Java 类com.google.inject.multibindings.MultibindingsTargetVisitor 实例源码

@SuppressWarnings("unchecked")
@Override
public <B, V> V acceptExtensionVisitor(
    BindingTargetVisitor<B, V> visitor, ProviderInstanceBinding<? extends B> binding) {
  if (visitor instanceof MultibindingsTargetVisitor) {
    return ((MultibindingsTargetVisitor<Set<T>, V>) visitor).visit(this);
  } else {
    return visitor.visit(binding);
  }
}

@SuppressWarnings("unchecked")
@Override
public Object acceptExtensionVisitor(
    BindingTargetVisitor visitor, ProviderInstanceBinding binding) {
  if (visitor instanceof MultibindingsTargetVisitor) {
    return ((MultibindingsTargetVisitor) visitor).visit(this);
  } else {
    return visitor.visit(binding);
  }
}

@SuppressWarnings("unchecked")
@Override
public <B, R> R acceptExtensionVisitor(
    BindingTargetVisitor<B, R> visitor, ProviderInstanceBinding<? extends B> binding) {
  if (visitor instanceof MultibindingsTargetVisitor) {
    return ((MultibindingsTargetVisitor<Optional<T>, R>) visitor).visit(this);
  } else {
    return visitor.visit(binding);
  }
}

@Override
@SuppressWarnings("unchecked")
public <B, W> W acceptExtensionVisitor(
    BindingTargetVisitor<B, W> visitor, ProviderInstanceBinding<? extends B> binding) {
  if (visitor instanceof MultibindingsTargetVisitor) {
    return ((MultibindingsTargetVisitor<Map<K, V>, W>) visitor).visit(this);
  } else {
    return visitor.visit(binding);
  }
}