Remove most of io.atomix.utils.concurrent

[controller.git] / third-party / atomix / utils / src / main / java / io / atomix / utils / concurrent / Retries.java

diff --git a/third-party/atomix/utils/src/main/java/io/atomix/utils/concurrent/Retries.java b/third-party/atomix/utils/src/main/java/io/atomix/utils/concurrent/Retries.java
deleted file mode 100644 (file)
index bd42a2b..0000000
--- a/third-party/atomix/utils/src/main/java/io/atomix/utils/concurrent/Retries.java
+++ /dev/null
@@ -1,96 +0,0 @@
-/*
- * Copyright 2017-present Open Networking Foundation
- *
- * 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 io.atomix.utils.concurrent;
-
-import java.util.concurrent.ThreadLocalRandom;
-import java.util.function.Function;
-import java.util.function.Supplier;
-
-/**
- * Retry utilities.
- */
-public final class Retries {
-
-  /**
-   * Returns a function that retries execution on failure.
-   * @param base base function
-   * @param exceptionClass type of exception for which to retry
-   * @param maxRetries max number of retries before giving up
-   * @param maxDelayBetweenRetries max delay between successive retries. The actual delay is randomly picked from
-   * the interval (0, maxDelayBetweenRetries]
-   * @return function
-   * @param <U> type of function input
-   * @param <V> type of function output
-   */
-  public static <U, V> Function<U, V> retryable(Function<U, V> base,
-                                                Class<? extends Throwable> exceptionClass,
-                                                int maxRetries,
-                                                int maxDelayBetweenRetries) {
-    return new RetryingFunction<>(base, exceptionClass, maxRetries, maxDelayBetweenRetries);
-  }
-
-  /**
-   * Returns a Supplier that retries execution on failure.
-   * @param base base supplier
-   * @param exceptionClass type of exception for which to retry
-   * @param maxRetries max number of retries before giving up
-   * @param maxDelayBetweenRetries max delay between successive retries. The actual delay is randomly picked from
-   * the interval (0, maxDelayBetweenRetries]
-   * @return supplier
-   * @param <V> type of supplied result
-   */
-  public static <V> Supplier<V> retryable(Supplier<V> base,
-                                          Class<? extends Throwable> exceptionClass,
-                                          int maxRetries,
-                                          int maxDelayBetweenRetries) {
-    return () -> new RetryingFunction<>(v -> base.get(),
-        exceptionClass,
-        maxRetries,
-        maxDelayBetweenRetries).apply(null);
-  }
-
-  /**
-   * Suspends the current thread for a random number of millis between 0 and
-   * the indicated limit.
-   *
-   * @param ms max number of millis
-   */
-  public static void randomDelay(int ms) {
-    try {
-      Thread.sleep(ThreadLocalRandom.current().nextInt(ms));
-    } catch (InterruptedException e) {
-      throw new RuntimeException("Interrupted", e);
-    }
-  }
-
-  /**
-   * Suspends the current thread for a specified number of millis and nanos.
-   *
-   * @param ms    number of millis
-   * @param nanos number of nanos
-   */
-  public static void delay(int ms, int nanos) {
-    try {
-      Thread.sleep(ms, nanos);
-    } catch (InterruptedException e) {
-      throw new RuntimeException("Interrupted", e);
-    }
-  }
-
-  private Retries() {
-  }
-
-}