1 files changed, 59 insertions, 0 deletions
diff --git a/rest-services/http-client/src/main/java/org/onap/dcaegen2/services/sdk/rest/services/adapters/http/config/RetryConfig.java b/rest-services/http-client/src/main/java/org/onap/dcaegen2/services/sdk/rest/services/adapters/http/config/RetryConfig.java
new file mode 100644
index 00000000..a0ae1991
--- /dev/null
+++ b/rest-services/http-client/src/main/java/org/onap/dcaegen2/services/sdk/rest/services/adapters/http/config/RetryConfig.java
@@ -0,0 +1,59 @@
+/*
+ * ============LICENSE_START====================================
+ * DCAEGEN2-SERVICES-SDK
+ * =========================================================
+ * Copyright (C) 2021 Nokia. All rights reserved.
+ * =========================================================
+ * 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.
+ * ============LICENSE_END=====================================
+ */
+
+package org.onap.dcaegen2.services.sdk.rest.services.adapters.http.config;
+
+import io.vavr.collection.HashSet;
+import io.vavr.collection.Set;
+import org.immutables.value.Value;
+import org.jetbrains.annotations.Nullable;
+
+import java.time.Duration;
+
+@Value.Immutable
+public interface RetryConfig {
+
+    int retryCount();
+
+    Duration retryInterval();
+
+    @Value.Default
+    default Set<Integer> retryableHttpResponseCodes() {
+        return HashSet.empty();
+    }
+
+    @Value.Default
+    default Set<Class<? extends Throwable>> customRetryableExceptions() {
+        return HashSet.empty();
+    }
+
+    @Value.Derived
+    default Set<Class<? extends Throwable>> retryableExceptions() {
+        Set<Class<? extends Throwable>> result = customRetryableExceptions();
+        if (retryableHttpResponseCodes().nonEmpty()) {
+            result = result.add(RetryableException.class);
+        }
+        return result;
+    }
+
+    @Nullable RuntimeException onRetryExhaustedException();
+
+    class RetryableException extends RuntimeException {}
+}