Examples of com.google.inject.Provider

com.google.inject.Provider
Simply, any object capable of providing instances of type {@code T}. Providers are used in numerous ways by the Guice framework:
- When the default means for obtaining instances (an injectable or parameterless constructor) is insufficient for a particular binding, the module can specify a custom {@code Provider} instead, to control exactly howGuice creates or obtains instances for the binding.
- An implementation class may always choose to have a {@code Provider}instance injected, rather than having a {@code T} injected directly. Thismay give you access to multiple instances, instances you wish to safely mutate and discard, instances which are out of scope (e.g. using a {@code @RequestScoped} object from within a {@code @SessionScoped} object),or instances you don't want to initialize until they are absolutely needed.
- A custom {@link Scope} is implemented as a decorator of{@code Provider}, which decides when to delegate to the backing provider and when to provide the instance some other way.
- The {@link Injector} offers access to the {@code Provider} it usesto fulfill requests for a given key, via the {@link Injector#getProvider}methods.
@param < T> the type of object this provider provides @author crazybob@google.com (Bob Lee)

      return new BootstrapModule() {
      @SuppressWarnings({ "rawtypes", "unchecked" })
      @Override
      public void configure(BootstrapBinder binder) {
              binder.bind(Key.get(type))
                  .toProvider(new Provider() {
                      @Override
                      public Object get() {
                          return annot;
                      }
                  })

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                          builder.withAdditionalBootstrapModules(forAnnotation(annot));
                      }
                            
                        // Makes the annotation injectable into LifecycleInjectorBuilderSuite
                        bind(Key.get(type))
                            .toProvider(new Provider() {
                                @Override
                                public Object get() {
                                    return annot;
                                }
                            })

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                        || Logger.class.isAssignableFrom(cls)
                        || java.util.logging.Logger.class.isAssignableFrom(cls)
                        ) {
                        continue;
                    }
                    Provider provider = binding.getValue().getProvider();
                    bind(binding.getKey()).toProvider(provider);
                }
            }
        };

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            }
        } else {
            throw new UnsupportedOperationException("Annotated element " + member + " not supported");
        }


        return new Provider() {
            public Object get() {
                return getInjectionValue(type, uri, endpointRef, injectionPointName);
            }
        };
    }

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            }
        } else {
            throw new UnsupportedOperationException("Annotated element " + member + " not supported");
        }


        return new Provider() {
            public Object get() {
                return getInjectionValue(type, uri, endpointRef, injectionPointName);
            }
        };
    }

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            }
        } else {
            throw new UnsupportedOperationException("Annotated element " + member + " not supported");
        }


        return new Provider() {
            public Object get() {
                return getInjectionValue(type, uri, endpointRef, injectionPointName);
            }
        };
    }

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            }
        } else {
            throw new UnsupportedOperationException("Annotated element " + member + " not supported");
        }


        return new Provider() {
            public Object get() {
                return getInjectionValue(type, uri, endpointRef, injectionPointName);
            }
        };
    }

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                            resolve(extType);


                            // use arbitrary id to make unique key, because Guice wants that.
                            Key key = Key.get(extType, Names.named(String.valueOf(id)));
                            annotations.put(key,a);
                            bind(key).toProvider(new Provider() {
                                    public Object get() {
                                        return instantiate(item);
                                    }
                                }).in(FAULT_TOLERANT_SCOPE);
                        }

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      @Override
      protected void configure() {
        bind(MessageBus.class).toInstance(bus);
        //bind(RequestDispatcher.class).toInstance(context.getService().getDispatcher());


        bind(type).toProvider(new Provider() {
          public Object get() {
            return resourceProvider.get();
          }
        });
      }

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        Provider<Session> sessionProvider = new Provider<Session>() {
            public Session get() {
                return sessionFactory.openSession();
            }
        };
        Provider<SessionFactory> sessionFactoryProvider = new Provider() {
            public Object get() {
                return sessionFactory;
            }
        };

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