Comparisons

There are many libraries or approaches for doing dependency injection in Scala.

Libraries:

• MacWire
• Guice
• Scaladi

Design Patterns:

• Cake pattern

The main differences between Grafter and other libraries are the following:

• Grafter components directly have @reader annotation which provide a way to “wire” them with their dependencies once an application configuration is available. Other libraries generally require a separate “module” to declare those “bindings”

• in Grafter each interface needs to have at least a default implementation. This is not required with other libraries

• there is no “interceptors” or “scoping” in Grafter. The only thing you can do is to modify or replace components

• the “lifecycle” part (starting components) is completely separated from the “instantiation/configuration” part

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