Give all Edge & Node types readable toString() implementations.
RELNOTES=n/a
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Created by MOE: https://github.com/google/moe
MOE_MIGRATED_REVID=213465925
diff --git a/java/dagger/internal/codegen/SubcomponentBuilderBindingEdgeImpl.java b/java/dagger/internal/codegen/SubcomponentBuilderBindingEdgeImpl.java
new file mode 100644
index 0000000..3035def
--- /dev/null
+++ b/java/dagger/internal/codegen/SubcomponentBuilderBindingEdgeImpl.java
@@ -0,0 +1,49 @@
+/*
+ * Copyright (C) 2018 The Dagger Authors.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package dagger.internal.codegen;
+
+import static com.google.common.collect.Iterables.getOnlyElement;
+import static java.util.stream.Collectors.joining;
+
+import com.google.common.collect.ImmutableSet;
+import dagger.model.BindingGraph.SubcomponentBuilderBindingEdge;
+import javax.lang.model.element.TypeElement;
+
+/** An implementation of {@link SubcomponentBuilderBindingEdge}. */
+final class SubcomponentBuilderBindingEdgeImpl implements SubcomponentBuilderBindingEdge {
+
+ private final ImmutableSet<TypeElement> declaringModules;
+
+ SubcomponentBuilderBindingEdgeImpl(Iterable<TypeElement> declaringModules) {
+ this.declaringModules = ImmutableSet.copyOf(declaringModules);
+ }
+
+ @Override
+ public ImmutableSet<TypeElement> declaringModules() {
+ return declaringModules;
+ }
+
+ @Override
+ public String toString() {
+ return "subcomponent declared by "
+ + (declaringModules.size() == 1
+ ? getOnlyElement(declaringModules).getQualifiedName()
+ : declaringModules.stream()
+ .map(TypeElement::getQualifiedName)
+ .collect(joining(", ", "{", "}")));
+ }
+}