1 files changed, 152 insertions, 0 deletions
diff --git a/src/main/java/com/google/devtools/build/lib/collect/nestedset/LinkOrderNestedSetFactory.java b/src/main/java/com/google/devtools/build/lib/collect/nestedset/LinkOrderNestedSetFactory.java
new file mode 100644
index 0000000000..9e23793ac7
--- /dev/null
+++ b/src/main/java/com/google/devtools/build/lib/collect/nestedset/LinkOrderNestedSetFactory.java
@@ -0,0 +1,152 @@
+// 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.collect.nestedset;
+
+import com.google.common.collect.ImmutableList;
+
+/**
+ * Link order {@code NestedSet} factory.
+ */
+final class LinkOrderNestedSetFactory implements NestedSetFactory {
+
+  @Override
+  public <E> NestedSet<E> onlyDirects(Object[] directs) {
+    return new LinkOnlyDirectsNestedSet<>(directs);
+  }
+
+  @Override
+  public <E> NestedSet<E> onlyDirects(ImmutableList<E> directs) {
+    return new LinkImmutableListDirectsNestedSet<>(directs);
+  }
+
+  @Override
+  public <E> NestedSet<E> oneDirectOneTransitive(E direct, NestedSet<E> transitive) {
+    return new LinkOneDirectOneTransitiveNestedSet<>(direct, transitive);
+  }
+
+  @Override
+  public <E> NestedSet<E> manyDirectsOneTransitive(Object[] direct,
+      NestedSet<E> transitive) {
+    return new LinkManyDirectOneTransitiveNestedSet<>(direct, transitive);
+  }
+
+  @Override
+  public <E> NestedSet<E> onlyOneTransitive(NestedSet<E> transitive) {
+    return new LinkOnlyOneTransitiveNestedSet<>(transitive);
+  }
+
+  @Override
+  public <E> NestedSet<E> onlyManyTransitives(NestedSet[] transitives) {
+    return new LinkOnlyTransitivesNestedSet<>(transitives);
+  }
+
+  @Override
+  public <E> NestedSet<E> oneDirectManyTransitive(Object direct, NestedSet[] transitives) {
+    return new LinkOneDirectManyTransitive<>(direct, transitives);
+  }
+
+  @Override
+  public <E> NestedSet<E> manyDirectManyTransitive(Object[] directs, NestedSet[] transitives) {
+    return new LinkManyDirectManyTransitive<>(directs, transitives);
+  }
+
+  @Override
+  public <E> NestedSet<E> oneDirect(E element) {
+    return new LinkSingleDirectNestedSet<>(element);
+  }
+
+  private static class LinkOnlyDirectsNestedSet<E> extends OnlyDirectsNestedSet<E> {
+
+    LinkOnlyDirectsNestedSet(Object[] directs) { super(directs); }
+
+    @Override
+    public Order getOrder() { return Order.LINK_ORDER; }
+  }
+
+  private static class LinkOneDirectOneTransitiveNestedSet<E> extends
+      OneDirectOneTransitiveNestedSet<E> {
+
+    private LinkOneDirectOneTransitiveNestedSet(E direct, NestedSet<E> transitive) {
+      super(direct, transitive);
+    }
+
+    @Override
+    public Order getOrder() { return Order.LINK_ORDER; }
+  }
+
+  private static class LinkOneDirectManyTransitive<E> extends OneDirectManyTransitive<E> {
+
+    private LinkOneDirectManyTransitive(Object direct, NestedSet[] transitive) {
+      super(direct, transitive);
+    }
+
+    @Override
+    public Order getOrder() { return Order.LINK_ORDER; }
+  }
+
+  private static class LinkManyDirectManyTransitive<E> extends ManyDirectManyTransitive<E> {
+
+    private LinkManyDirectManyTransitive(Object[] directs, NestedSet[] transitives) {
+      super(directs, transitives);
+    }
+
+    @Override
+    public Order getOrder() { return Order.LINK_ORDER; }
+  }
+
+  private static class LinkOnlyOneTransitiveNestedSet<E> extends OnlyOneTransitiveNestedSet<E> {
+
+    private LinkOnlyOneTransitiveNestedSet(NestedSet<E> transitive) { super(transitive); }
+
+    @Override
+    public Order getOrder() { return Order.LINK_ORDER; }
+  }
+
+  private static class LinkManyDirectOneTransitiveNestedSet<E> extends
+      ManyDirectOneTransitiveNestedSet<E> {
+
+    private LinkManyDirectOneTransitiveNestedSet(Object[] direct,
+        NestedSet<E> transitive) { super(direct, transitive); }
+
+    @Override
+    public Order getOrder() { return Order.LINK_ORDER; }
+  }
+
+  private static class LinkOnlyTransitivesNestedSet<E> extends OnlyTransitivesNestedSet<E> {
+
+    private LinkOnlyTransitivesNestedSet(NestedSet[] transitives) { super(transitives); }
+
+    @Override
+    public Order getOrder() { return Order.LINK_ORDER; }
+  }
+
+  private static class LinkImmutableListDirectsNestedSet<E> extends
+      ImmutableListDirectsNestedSet<E> {
+
+    private LinkImmutableListDirectsNestedSet(ImmutableList<E> directs) { super(directs); }
+
+    @Override
+    public Order getOrder() {
+      return Order.LINK_ORDER;
+    }
+  }
+
+  private static class LinkSingleDirectNestedSet<E> extends SingleDirectNestedSet<E> {
+
+    private LinkSingleDirectNestedSet(E element) { super(element); }
+
+    @Override
+    public Order getOrder() { return Order.LINK_ORDER; }
+  }
+}