Guice

Guice Custom Injection for constructor parameters

社会主义新天地 提交于 2021-01-27 05:36:36
问题 I read about Custom Injection in Guice here: https://github.com/google/guice/wiki/CustomInjections This scheme describes how you can create a MembersInjector for injecting fields of a class. I am able to do this successfully. However, I do not like the idea of field injection and would like to do this to inject parameters of a constructor. Does anybody have a clue as to how this can be achieved for constructor injection? Specifically: public class PaymentService { private final Logger logger;

Binding a guava supplier using guice

一笑奈何 提交于 2020-12-26 11:04:50
问题 I want do a binding like this, bind(Supplier<TestClass>).toProvider(Provider<Supplier<TestClass>>).in(Singleton.class); The provider is returned by an external function so, inside the toProvider() , I call that function and it returns Provider <Supplier<TestClass>> . The supplier is from guava, the reason to do this kind of thing is, there is a file associated with the TestClass and I need to read that file and assign those values to the respective fields of TestClass. And that file change at

Guice依赖注入(Provider)

回眸只為那壹抹淺笑 提交于 2020-12-25 18:12:19
本教程主要详细讲解Guice依赖注入中的Procider服务注入实现,一般都是用于外部服务的注入,比如实现Redis等。 基础环境 技术 版本 Java 1.8+ Guice 4.2.3 初始化项目 初始化项目 mvn archetype : generate - DgroupId = com . edurt . sli . guice - DartifactId = guice - binder - provider - DarchetypeArtifactId = maven - archetype - quickstart - Dversion = 1.0 . 0 - DinteractiveMode = false 修改pom.xml增加Guice依赖 <? xml version = "1.0" encoding = "UTF-8" ?> <project xmlns = "http://maven.apache.org/POM/4.0.0" xmlns:xsi = "http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation = "http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd" > <parent>

Guice依赖注入(Scope)

半城伤御伤魂 提交于 2020-12-25 17:15:37
本教程主要详细讲解Guice依赖注入中的一些高级选项,他们分别是 Scope , Eagerly Loading Bindings , Stage , Optional Injection 。我们将一一对他们进行讲解。 基础环境 技术 版本 Java 1.8+ Guice 4.2.3 初始化项目 初始化项目 mvn archetype:generate -DgroupId=com.edurt.sli.guice -DartifactId=guice-binder-scope -DarchetypeArtifactId=maven-archetype-quickstart -Dversion=1.0.0 -DinteractiveMode= false 修改pom.xml增加Guice依赖 <?xml version="1.0" encoding="UTF-8"?> < project xmlns = "http://maven.apache.org/POM/4.0.0" xmlns:xsi = "http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation = "http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd" >