set AsyncHttpClient on demand instead of in contructor

Author: tamnguyenit

src/main/java/com/wego/httpcache/services/factories/AsyncHttpServiceFactory.java

@@ -1,10 +1,7 @@
 package com.wego.httpcache.services.factories;
 
-import com.ning.http.client.AsyncHttpClient;
 import com.wego.httpcache.services.AsyncHttpCacheService;
 
 public interface AsyncHttpServiceFactory {
   AsyncHttpCacheService create(long ttl);
-
-  AsyncHttpCacheService create(AsyncHttpClient asyncHttpClient, long ttl);
 }

src/main/java/com/wego/httpcache/services/impl/AsyncHttpCacheServiceImpl.java

@@ -25,8 +25,7 @@ public class AsyncHttpCacheServiceImpl implements AsyncHttpCacheService {
   @Inject
   public AsyncHttpCacheServiceImpl(@Assisted long ttl) {}
 
-  @Inject
-  public AsyncHttpCacheServiceImpl(@Assisted AsyncHttpClient asyncHttpClient, @Assisted long ttl) {
+  public void setAsyncHttpClient(AsyncHttpClient asyncHttpClient) {
     this.asyncHttpClient = asyncHttpClient;
   }