com.google.inject.spi

Class Dependency<T>



  • public final class Dependency<T>
    extends Object
    A variable that can be resolved by an injector.

    Use get(com.google.inject.Key<T>) to build a freestanding dependency, or InjectionPoint to build one that's attached to a constructor, method or field.

    Since:
    2.0
    Author:
    crazybob@google.com (Bob Lee), jessewilson@google.com (Jesse Wilson)
    • Method Detail

      • get

        public static <T> Dependency<T> get(Key<T> key)
        Returns a new dependency that is not attached to an injection point. The returned dependency is nullable.
      • forInjectionPoints

        public static Set<Dependency<?>> forInjectionPoints(Set<InjectionPoint> injectionPoints)
        Returns the dependencies from the given injection points.
      • getKey

        public Key<T> getKey()
        Returns the key to the binding that satisfies this dependency.
      • isNullable

        public boolean isNullable()
        Returns true if null is a legal value for this dependency.
      • getInjectionPoint

        public InjectionPoint getInjectionPoint()
        Returns the injection point to which this dependency belongs, or null if this dependency isn't attached to a particular injection point.
      • getParameterIndex

        public int getParameterIndex()
        Returns the index of this dependency in the injection point's parameter list, or -1 if this dependency does not belong to a parameter list. Only method and constuctor dependencies are elements in a parameter list.
      • hashCode

        public int hashCode()
        Overrides:
        hashCode in class Object

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