initial checkin

.gitignore

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+*.iml
+.idea
+target
+dependency-reduced-pom.xml

README.md

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+## Idea Setup
+
+Go to "Preferences > Annoration Processors", and check "Enable Annotation
+Processing".

pom.xml

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+<?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">
+    <modelVersion>4.0.0</modelVersion>
+
+    <groupId>org.objectstyle</groupId>
+    <artifactId>dagger-sandbox</artifactId>
+    <version>1.0-SNAPSHOT</version>
+
+    <packaging>jar</packaging>
+
+    <properties>
+        <maven.compiler.source>1.8</maven.compiler.source>
+        <maven.compiler.target>1.8</maven.compiler.target>
+
+        <dagger.version>2.15</dagger.version>
+
+        <main.class>org.objectstyle.dagger.Main</main.class>
+    </properties>
+
+
+    <dependencies>
+        <dependency>
+            <groupId>com.google.dagger</groupId>
+            <artifactId>dagger</artifactId>
+            <version>${dagger.version}</version>
+        </dependency>
+        <dependency>
+            <groupId>com.google.dagger</groupId>
+            <artifactId>dagger-compiler</artifactId>
+            <version>${dagger.version}</version>
+            <scope>provided</scope>
+        </dependency>
+    </dependencies>
+
+
+    <build>
+        <pluginManagement>
+            <plugins>
+                <plugin>
+                    <groupId>org.apache.maven.plugins</groupId>
+                    <artifactId>maven-shade-plugin</artifactId>
+                    <version>2.4.2</version>
+
+                    <configuration>
+                        <createDependencyReducedPom>true</createDependencyReducedPom>
+                        <filters>
+                            <filter>
+                                <artifact>*:*</artifact>
+                                <excludes>
+                                    <exclude>META-INF/*.SF</exclude>
+                                    <exclude>META-INF/*.DSA</exclude>
+                                    <exclude>META-INF/*.RSA</exclude>
+                                </excludes>
+                            </filter>
+                        </filters>
+                    </configuration>
+                    <executions>
+                        <execution>
+                            <phase>package</phase>
+                            <goals>
+                                <goal>shade</goal>
+                            </goals>
+                            <configuration>
+                                <transformers>
+                                    <transformer implementation="org.apache.maven.plugins.shade.resource.ServicesResourceTransformer" />
+                                    <transformer implementation="org.apache.maven.plugins.shade.resource.ManifestResourceTransformer">
+                                        <mainClass>${main.class}</mainClass>
+                                    </transformer>
+                                </transformers>
+                            </configuration>
+                        </execution>
+                    </executions>
+                </plugin>
+
+                <plugin>
+                    <groupId>org.apache.maven.plugins</groupId>
+                    <artifactId>maven-jar-plugin</artifactId>
+                    <version>2.6</version>
+                    <configuration>
+                        <archive>
+                            <manifest>
+                                <addDefaultImplementationEntries>true</addDefaultImplementationEntries>
+                            </manifest>
+                        </archive>
+                    </configuration>
+                </plugin>
+            </plugins>
+        </pluginManagement>
+
+        <plugins>
+            <plugin>
+                <artifactId>maven-shade-plugin</artifactId>
+            </plugin>
+        </plugins>
+    </build>
+
+</project>

src/main/java/org/objectstyle/dagger/Main.java

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+package org.objectstyle.dagger;
+
+public class Main {
+
+    public static void main(String[] args) {
+        Root r = DaggerRoot.create();
+        System.out.println(r.service().doIt());
+    }
+}

src/main/java/org/objectstyle/dagger/MainModule.java

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+package org.objectstyle.dagger;
+
+import dagger.Module;
+import dagger.Provides;
+import org.objectstyle.dagger.service.Service;
+import org.objectstyle.dagger.service.ServiceImpl;
+import org.objectstyle.dagger.service.SubService;
+import org.objectstyle.dagger.service.SubServiceImpl;
+
+import javax.inject.Singleton;
+
+@Module
+public class MainModule {
+
+    @Provides
+    @Singleton
+    Service provideService(SubService subService) {
+        return new ServiceImpl(subService);
+    }
+
+    @Provides
+    @Singleton
+    SubService provideSubService() {
+        return new SubServiceImpl();
+    }
+}

src/main/java/org/objectstyle/dagger/Root.java

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+package org.objectstyle.dagger;
+
+import dagger.Component;
+import org.objectstyle.dagger.service.Service;
+
+import javax.inject.Singleton;
+
+@Singleton
+@Component(modules = MainModule.class)
+public interface Root {
+
+    Service service();
+}

src/main/java/org/objectstyle/dagger/service/Service.java

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+package org.objectstyle.dagger.service;
+
+
+public interface Service {
+
+    String doIt();
+}

src/main/java/org/objectstyle/dagger/service/ServiceImpl.java

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+package org.objectstyle.dagger.service;
+
+public class ServiceImpl implements Service {
+
+    private SubService subService;
+
+    public ServiceImpl(SubService subService) {
+        this.subService = subService;
+    }
+
+    public String doIt() {
+        return "ServiceImpl_" + subService.doIt();
+    }
+}

src/main/java/org/objectstyle/dagger/service/SubService.java

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+package org.objectstyle.dagger.service;
+
+public interface SubService {
+    String doIt();
+}

src/main/java/org/objectstyle/dagger/service/SubServiceImpl.java

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+package org.objectstyle.dagger.service;
+
+public class SubServiceImpl implements SubService {
+
+    public String doIt() {
+        return "SubServiceImpl";
+    }
+}