1 files changed, 78 insertions, 0 deletions
diff --git a/container-di/src/main/java/com/yahoo/container/di/componentgraph/core/GuiceNode.java b/container-di/src/main/java/com/yahoo/container/di/componentgraph/core/GuiceNode.java
new file mode 100644
index 00000000000..61d0d9bba8d
--- /dev/null
+++ b/container-di/src/main/java/com/yahoo/container/di/componentgraph/core/GuiceNode.java
@@ -0,0 +1,78 @@
+// Copyright 2018 Yahoo Holdings. Licensed under the terms of the Apache 2.0 license. See LICENSE in the project root.
+package com.yahoo.container.di.componentgraph.core;
+
+import com.google.inject.Key;
+import com.yahoo.component.ComponentId;
+import com.yahoo.config.ConfigInstance;
+import com.yahoo.vespa.config.ConfigKey;
+
+import java.lang.annotation.Annotation;
+import java.util.Collections;
+import java.util.List;
+import java.util.Set;
+
+import static com.yahoo.container.di.componentgraph.core.Keys.createKey;
+
+/**
+ * @author Tony Vaagenes
+ * @author gjoranv
+ * @author ollivir
+ */
+public final class GuiceNode extends Node {
+    private static final ComponentId guiceNamespace = ComponentId.fromString("Guice");
+
+    private final Object myInstance;
+    private final Annotation annotation;
+
+    public GuiceNode(Object myInstance,
+                     Annotation annotation) {
+        super(componentId(myInstance));
+        this.myInstance = myInstance;
+        this.annotation = annotation;
+    }
+
+    @Override
+    public Set<ConfigKey<ConfigInstance>> configKeys() {
+        return Collections.emptySet();
+    }
+
+    @Override
+    public Key<?> instanceKey() {
+        return createKey(myInstance.getClass(), annotation);
+    }
+
+    @Override
+    public Class<?> instanceType() {
+        return myInstance.getClass();
+    }
+
+    @Override
+    public Class<?> componentType() {
+        return instanceType();
+    }
+
+
+    @Override
+    public List<Node> usedComponents() {
+        return Collections.emptyList();
+    }
+
+    @Override
+    protected Object newInstance() {
+        return myInstance;
+    }
+
+    @Override
+    public void inject(Node component) {
+        throw new UnsupportedOperationException("Illegal to inject components to a GuiceNode!");
+    }
+
+    @Override
+    public String label() {
+        return String.format("{{%s|Guice}|%s}", instanceType().getSimpleName(), Node.packageName(instanceType()));
+    }
+
+    private static ComponentId componentId(Object instance) {
+        return Node.syntheticComponentId(instance.getClass().getName(), instance, guiceNamespace);
+    }
+}