Package org.elasticsearch.common.inject.spi

Interface BindingTargetVisitor<T,​V>

Type Parameters:
V - any type to be returned by the visit method. Use Void with return null if no return type is needed.
All Known Implementing Classes:
DefaultBindingTargetVisitor
public interface BindingTargetVisitor<T,​V>
Visits each of the strategies used to find an instance to satisfy an injection.
Since:
2.0

  • Method Details

    • visit

      V visit​(InstanceBinding<? extends T> binding)
      Visit a instance binding. The same instance is returned for every injection. This target is found in both module and injector bindings.

    • visit

      V visit​(ProviderInstanceBinding<? extends T> binding)
      Visit a provider instance binding. The provider's get method is invoked to resolve injections. This target is found in both module and injector bindings.

    • visit

      V visit​(ProviderKeyBinding<? extends T> binding)
      Visit a provider key binding. To resolve injections, the provider key is first resolved, then that provider's get method is invoked. This target is found in both module and injector bindings.

    • visit

      V visit​(LinkedKeyBinding<? extends T> binding)
      Visit a linked key binding. The other key's binding is used to resolve injections. This target is found in both module and injector bindings.

    • visit

      V visit​(ExposedBinding<? extends T> binding)
      Visit a binding to a key exposed from an enclosed private environment. This target is only found in injector bindings.

    • visit

      V visit​(UntargettedBinding<? extends T> binding)
      Visit an untargetted binding. This target is found only on module bindings. It indicates that the injector should use its implicit binding strategies to resolve injections.

    • visit

      V visit​(ConstructorBinding<? extends T> binding)
      Visit a constructor binding. To resolve injections, an instance is instantiated by invoking constructor. This target is found only on injector bindings.

    • visit

      V visit​(ConvertedConstantBinding<? extends T> binding)
      Visit a binding created from converting a bound instance to a new type. The source binding has the same binding annotation but a different type. This target is found only on injector bindings.

    • visit

      V visit​(ProviderBinding<? extends T> binding)
      Visit a binding to a Provider that delegates to the binding for the provided type. This target is found only on injector bindings.