Update #0 - First Release

sources/main/java/com/google/common/collect/ImmutableEntry.java

@@ -0,0 +1,56 @@
+/*
+ * 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 java.io.Serializable;
+
+import javax.annotation.Nullable;
+
+import com.google.common.annotations.GwtCompatible;
+
+/**
+ * @see com.google.common.collect.Maps#immutableEntry(Object, Object)
+ */
+@GwtCompatible(serializable = true)
+class ImmutableEntry<K, V> extends AbstractMapEntry<K, V> implements Serializable {
+	final K key;
+	final V value;
+
+	ImmutableEntry(@Nullable K key, @Nullable V value) {
+		this.key = key;
+		this.value = value;
+	}
+
+	@Nullable
+	@Override
+	public final K getKey() {
+		return key;
+	}
+
+	@Nullable
+	@Override
+	public final V getValue() {
+		return value;
+	}
+
+	@Override
+	public final V setValue(V value) {
+		throw new UnsupportedOperationException();
+	}
+
+	private static final long serialVersionUID = 0;
+}