From 4eceb95409e844fdc33c9c706e1dc307bfd40303 Mon Sep 17 00:00:00 2001
From: Yohann Roussel <yroussel@google.com>
Date: Wed, 19 Mar 2014 16:25:37 +0100
Subject: Initial Jack import.

Change-Id: I953cf0a520195a7187d791b2885848ad0d5a9b43
---
 .../common/collect/RegularImmutableBiMap.java      | 60 ++++++++++++++++++++++
 1 file changed, 60 insertions(+)
 create mode 100644 guava/src/com/google/common/collect/RegularImmutableBiMap.java

(limited to 'guava/src/com/google/common/collect/RegularImmutableBiMap.java')

diff --git a/guava/src/com/google/common/collect/RegularImmutableBiMap.java b/guava/src/com/google/common/collect/RegularImmutableBiMap.java
new file mode 100644
index 0000000..dca1f05
--- /dev/null
+++ b/guava/src/com/google/common/collect/RegularImmutableBiMap.java
@@ -0,0 +1,60 @@
+/*
+ * Copyright (C) 2008 The Guava 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 com.google.common.collect;
+
+import com.google.common.annotations.GwtCompatible;
+
+/**
+ * Bimap with one or more mappings.
+ * 
+ * @author Jared Levy
+ */
+@GwtCompatible(serializable = true, emulated = true)
+@SuppressWarnings("serial") // uses writeReplace(), not default serialization
+class RegularImmutableBiMap<K, V> extends ImmutableBiMap<K, V> {
+  final transient ImmutableMap<K, V> delegate;
+  final transient ImmutableBiMap<V, K> inverse;
+
+  RegularImmutableBiMap(ImmutableMap<K, V> delegate) {
+    this.delegate = delegate;
+
+    ImmutableMap.Builder<V, K> builder = ImmutableMap.builder();
+    for (Entry<K, V> entry : delegate.entrySet()) {
+      builder.put(entry.getValue(), entry.getKey());
+    }
+    ImmutableMap<V, K> backwardMap = builder.build();
+    this.inverse = new RegularImmutableBiMap<V, K>(backwardMap, this);
+  }
+
+  RegularImmutableBiMap(ImmutableMap<K, V> delegate,
+      ImmutableBiMap<V, K> inverse) {
+    this.delegate = delegate;
+    this.inverse = inverse;
+  }
+
+  @Override ImmutableMap<K, V> delegate() {
+    return delegate;
+  }
+
+  @Override public ImmutableBiMap<V, K> inverse() {
+    return inverse;
+  }
+
+  @Override boolean isPartialView() {
+    return delegate.isPartialView() || inverse.delegate().isPartialView();
+  }
+}
-- 
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