1 files changed, 64 insertions, 0 deletions
diff --git a/src/main/java/com/google/devtools/build/lib/rules/java/DirectDependencyProvider.java b/src/main/java/com/google/devtools/build/lib/rules/java/DirectDependencyProvider.java
new file mode 100644
index 0000000000..5b2e106c8e
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+++ b/src/main/java/com/google/devtools/build/lib/rules/java/DirectDependencyProvider.java
@@ -0,0 +1,64 @@
+// Copyright 2014 Google Inc. All rights reserved.
+//
+// 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 com.google.devtools.build.lib.rules.java;
+
+import com.google.common.collect.ImmutableList;
+import com.google.devtools.build.lib.analysis.TransitiveInfoProvider;
+import com.google.devtools.build.lib.concurrent.ThreadSafety.Immutable;
+import com.google.devtools.build.lib.syntax.Label;
+
+/**
+ * A provider that returns the direct dependencies of a target. Used for strict dependency
+ * checking.
+ */
+@Immutable
+public final class DirectDependencyProvider implements TransitiveInfoProvider {
+
+  private final ImmutableList<Dependency> strictDependencies;
+
+  public DirectDependencyProvider(Iterable<Dependency> strictDependencies) {
+    this.strictDependencies = ImmutableList.copyOf(strictDependencies);
+  }
+
+  /**
+   * @returns the direct (strict) dependencies of this provider. All symbols that are directly
+   * reachable from the sources of the provider should be available in one these artifacts.
+   */
+  public Iterable<Dependency> getStrictDependencies() {
+    return strictDependencies;
+  }
+
+  /**
+   * A pair of label and its generated list of artifacts.
+   */
+  public static class Dependency {
+    private final Label label;
+
+    // TODO(bazel-team): change this to Artifacts
+    private final Iterable<String> fileExecPaths;
+
+    public Dependency(Label label, Iterable<String> fileExecPaths) {
+      this.label = label;
+      this.fileExecPaths = fileExecPaths;
+    }
+
+    public Label getLabel() {
+      return label;
+    }
+
+    public Iterable<String> getDependencyOutputs() {
+      return fileExecPaths;
+    }
+  }
+}