1 files changed, 44 insertions, 0 deletions
diff --git a/vespa-feed-client/src/main/java/ai/vespa/feed/client/impl/DryrunCluster.java b/vespa-feed-client/src/main/java/ai/vespa/feed/client/impl/DryrunCluster.java
new file mode 100644
index 00000000000..96cf7998681
--- /dev/null
+++ b/vespa-feed-client/src/main/java/ai/vespa/feed/client/impl/DryrunCluster.java
@@ -0,0 +1,44 @@
+// Copyright Yahoo. Licensed under the terms of the Apache 2.0 license. See LICENSE in the project root.
+package ai.vespa.feed.client.impl;
+
+import ai.vespa.feed.client.HttpResponse;
+
+import java.nio.charset.StandardCharsets;
+import java.time.Duration;
+import java.util.concurrent.CompletableFuture;
+import java.util.logging.Level;
+import java.util.logging.Logger;
+
+/**
+ * Dryrun implementation that reports every request/operation as successful
+ *
+ * @author bjorncs
+ */
+class DryrunCluster implements Cluster {
+
+    private final static Logger log = Logger.getLogger(DryrunCluster.class.getName());
+
+    static final Duration DELAY = Duration.ofMillis(1);
+
+    @Override
+    public void dispatch(HttpRequest request, CompletableFuture<HttpResponse> vessel) {
+        long millis = DELAY.toMillis();
+        log.log(Level.FINE, "Dryrun of request '{0}' with delay of {1}ms", new Object[]{request, millis});
+        if (millis > 0) {
+            try {
+                Thread.sleep(millis);
+            } catch (InterruptedException e) {
+                vessel.cancel(true);
+                Thread.currentThread().interrupt();
+                return;
+            }
+        }
+        vessel.complete(new SimpleOkResponse());
+    }
+
+    private static class SimpleOkResponse implements HttpResponse {
+        @Override public int code() { return 200; }
+        @Override public byte[] body() { return "{\"message\":\"dummy dryrun message\"}".getBytes(StandardCharsets.UTF_8); }
+    }
+
+}