1 files changed, 76 insertions, 0 deletions
diff --git a/guava/src/com/google/common/util/concurrent/Atomics.java b/guava/src/com/google/common/util/concurrent/Atomics.java
new file mode 100644
index 0000000..fece83d
--- /dev/null
+++ b/guava/src/com/google/common/util/concurrent/Atomics.java
@@ -0,0 +1,76 @@
+/*
+ * Copyright (C) 2010 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.util.concurrent;
+
+import com.google.common.annotations.Beta;
+
+import java.util.concurrent.atomic.AtomicReference;
+import java.util.concurrent.atomic.AtomicReferenceArray;
+
+import javax.annotation.Nullable;
+
+/**
+ * Static utility methods pertaining to classes in the
+ * {@code java.util.concurrent.atomic} package.
+ *
+ * @author Kurt Alfred Kluever
+ * @since 10.0
+ */
+@Beta
+public final class Atomics {
+  private Atomics() {}
+
+  /**
+   * Creates an {@code AtomicReference} instance with no initial value.
+   *
+   * @return a new {@code AtomicReference} with no initial value
+   */
+  public static <V> AtomicReference<V> newReference() {
+    return new AtomicReference<V>();
+  }
+
+  /**
+   * Creates an {@code AtomicReference} instance with the given initial value.
+   *
+   * @param initialValue the initial value
+   * @return a new {@code AtomicReference} with the given initial value
+   */
+  public static <V> AtomicReference<V> newReference(@Nullable V initialValue) {
+    return new AtomicReference<V>(initialValue);
+  }
+
+  /**
+   * Creates an {@code AtomicReferenceArray} instance of given length.
+   *
+   * @param length the length of the array
+   * @return a new {@code AtomicReferenceArray} with the given length
+   */
+  public static <E> AtomicReferenceArray<E> newReferenceArray(int length) {
+    return new AtomicReferenceArray<E>(length);
+  }
+
+  /**
+   * Creates an {@code AtomicReferenceArray} instance with the same length as,
+   * and all elements copied from, the given array.
+   *
+   * @param array the array to copy elements from
+   * @return a new {@code AtomicReferenceArray} copied from the given array
+   */
+  public static <E> AtomicReferenceArray<E> newReferenceArray(E[] array) {
+    return new AtomicReferenceArray<E>(array);
+  }
+}