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Java 9 Dependency Injection
book

Java 9 Dependency Injection

by Nilang Patel, Krunal Patel
April 2018
Intermediate to advanced content levelIntermediate to advanced
246 pages
6h 11m
English
Packt Publishing
Content preview from Java 9 Dependency Injection

Injector

An Injector interface creates and maintains object graphs, tracks dependencies of each type, and uses bindings to inject them. Injectors keep a set of default bindings, from which they take configuration details for making and maintaining relationships between objects. Consider the following code, which will return an implementation of the AppConsumer class:

AppConsumer app = injector.getInstance(AppConsumer.class);

We can also get all the associated bindings with the injector by calling the Injector.getBindings() method, which returns a map containing binding objects:

Map<Key, Binding> bindings = injector.getBindings()

From this, we can say that each binding has a matching key object, which is internally made and kept by the Google ...

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Publisher Resources

ISBN: 9781788296250Supplemental Content