Spark graphx moved to a new project due to a incompatibility of scala compiler

ratpack/src/main/java/com/baeldung/hystrix/HystrixAsyncHttpCommand.java

@@ -0,0 +1,54 @@
+package com.baeldung.hystrix;
+
+import com.netflix.hystrix.HystrixCommand;
+import com.netflix.hystrix.HystrixCommandGroupKey;
+import com.netflix.hystrix.HystrixCommandProperties;
+import org.apache.http.client.config.RequestConfig;
+import org.apache.http.client.methods.HttpGet;
+import org.apache.http.impl.client.HttpClientBuilder;
+import org.apache.http.message.BasicHeader;
+import org.apache.http.util.EntityUtils;
+
+import java.net.URI;
+import java.util.Collections;
+
+/**
+ * @author aiet
+ */
+public class HystrixAsyncHttpCommand extends HystrixCommand<String> {
+
+    private URI uri;
+    private RequestConfig requestConfig;
+
+    HystrixAsyncHttpCommand(URI uri, int timeoutMillis) {
+        super(Setter
+          .withGroupKey(HystrixCommandGroupKey.Factory.asKey("hystrix-ratpack-async"))
+          .andCommandPropertiesDefaults(HystrixCommandProperties
+            .Setter()
+            .withExecutionTimeoutInMilliseconds(timeoutMillis)));
+        requestConfig = RequestConfig
+          .custom()
+          .setSocketTimeout(timeoutMillis)
+          .setConnectTimeout(timeoutMillis)
+          .setConnectionRequestTimeout(timeoutMillis)
+          .build();
+        this.uri = uri;
+    }
+
+    @Override
+    protected String run() throws Exception {
+        return EntityUtils.toString(HttpClientBuilder
+          .create()
+          .setDefaultRequestConfig(requestConfig)
+          .setDefaultHeaders(Collections.singleton(new BasicHeader("User-Agent", "Baeldung Blocking HttpClient")))
+          .build()
+          .execute(new HttpGet(uri))
+          .getEntity());
+    }
+
+    @Override
+    protected String getFallback() {
+        return "eugenp's async fallback profile";
+    }
+
+}