Guice系列之用户指南（四）

import com.google.inject.Inject;

import com.google.inject.name.Named;

public class Configure {

String jdbcUrl;

int loginTimeout;

@Inject

public Configure(@Named("JDBC URL") String jdbcUrl,

int loginTimeout) {

this.jdbcUrl = jdbcUrl;

this.loginTimeout = loginTimeout;

}

@Override

public String toString() {

return "jdbcUrl==>" + this.jdbcUrl + "\tloginTimeout==>" + this.loginTimeout + " seconds";

}

}

import com.google.inject.AbstractModule;

import com.google.inject.Provides;

import com.google.inject.name.Names;

public class ConfigureModule extends AbstractModule {

@Override

protected void configure() {

bind(String.class)

.annotatedWith(Names.named("JDBC URL"))

.toInstance("jdbc:mysql://localhost/pizza");

}

@Provides

int getLoginTimeout() {

System.out.println("run @Provides");

return 20;

}

}

import com.google.inject.Guice;

import com.google.inject.Injector;

public class Test {

public static void main(String[] args) {

Injector injector = Guice.createInjector(new ConfigureModule());

Configure configure = injector.getInstance(Configure.class);

System.out.println(configure);

}

}