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retry-java\n\n[![tests](https://github.com/akornatskyy/retry-java/actions/workflows/tests.yaml/badge.svg)](https://github.com/akornatskyy/retry-java/actions/workflows/tests.yaml)\n[![maven central](https://img.shields.io/maven-central/v/io.github.akornatskyy/retry.svg)](https://central.sonatype.com/artifact/io.github.akornatskyy/retry)\n\nRepeat failed call.\n\n## Usage\n\nInitialize the retry options to max 3 calls and a fixed backoff of 500 ms.\n\n```java\nRetryOptions options = RetryOptions.builder()\n    .max(3)\n    .backoff(new FixedBackoff(Duration.ofMillis(500)))\n    .build();\n```\n\nInitialize the retry options with ±10% jitter backoff of 2 seconds.\n\n```java\nRetryOptions options = RetryOptions.builder()\n    .backoff(new JitterBackoff(Duration.ofSeconds(2), 0.1))\n    .build();\n```\n\nInitialize the retry options with exponential backoff starting at 1 second and\ngrowing by 1.5 with ±25% jitter.\n\n```java\nRetryOptions options = RetryOptions.builder()\n    .backoff(\n        ExpBackoff.builder()\n            .initial(Duration.ofSeconds(1))\n            .multiplier(1.5)\n            .factor(0.25)\n            .build())\n    .build();\n```\n\n### Retry Runnable\n\n```java\nRetryRunnable.run(() -\u003e handler.operation(), options);\n```\n\n[Runnable](https://docs.oracle.com/javase/7/docs/api/java/lang/Runnable.html) \nwith predicate (repeats call for `MyRuntimeException` only):\n\n```java\nRetryRunnable.run(\n    () -\u003e handler.operation(100),\n    (ex) -\u003e ex instanceof MyRuntimeException,\n    options);\n```\n\n### Retry Supplier\n\n```java\nResponse response = RetrySupplier.get(() -\u003e handler.operation(), options);\n```\n\n[Supplier](https://docs.oracle.com/javase/8/docs/api/java/util/function/Supplier.html)\nwith predicate for response value:\n\n```java\nResponse response = RetrySupplier.get(\n    () -\u003e handler.operation(100),\n    (r, ex) -\u003e r != null \u0026\u0026 r.getStatusCode() != 200,\n    options);\n```\n\n### Retry Throwing Supplier\n\n```java\nResponse response = RetryThrowingSupplier.get(\n    () -\u003e handler.operation(), options);\n```\n\n### Retry Async Supplier\n\nInitialize `ScheduledExecutorService` (used to schedule retry delay):\n\n```java\nScheduledExecutorService scheduledExecutor = Executors\n    .newSingleThreadScheduledExecutor();\n```\n\n```java\nCompletableFuture\u003cResponse\u003e future = RetryAsyncSupplier.get(\n    scheduledExecutor,\n    () -\u003e handler.operation(100),\n    options);\n```\n\n`Supplier\u003cCompletableFuture\u003cT\u003e\u003e` with predicate for response value:\n\n```java\nCompletableFuture\u003cResponse\u003e future = RetryAsyncSupplier.get(\n    scheduledExecutor,\n    () -\u003e handler.operation(),\n    (r, ex) -\u003e r != null \u0026\u0026 r.getStatusCode() != 200,\n    options);\n```\n\n## Install\n\nAdd as a maven dependency:\n\n```xml\n\u003cdependency\u003e\n  \u003cgroupId\u003eio.github.akornatskyy\u003c/groupId\u003e\n  \u003cartifactId\u003eretry\u003c/artifactId\u003e\n  \u003cversion\u003e1.0.0\u003c/version\u003e\n\u003c/dependency\u003e\n```\n\n## Release\n\n```sh\nmvn versions:set -DnewVersion=1.X.0\nmvn -P release clean deploy\n```","project_url":"https://awesome.ecosyste.ms/api/v1/projects/github.com%2Fakornatskyy%2Fretry-java","html_url":"https://awesome.ecosyste.ms/projects/github.com%2Fakornatskyy%2Fretry-java","lists_url":"https://awesome.ecosyste.ms/api/v1/projects/github.com%2Fakornatskyy%2Fretry-java/lists"}