update: refactor CmabClientConfig to include cmabEndpoint handling and add factory method

Author: FarhanAnjum-opti

core-api/src/main/java/com/optimizely/ab/Optimizely.java

@@ -17,9 +17,7 @@
 
 import com.optimizely.ab.annotations.VisibleForTesting;
 import com.optimizely.ab.bucketing.*;
-import com.optimizely.ab.cmab.service.CmabCacheValue;
 import com.optimizely.ab.cmab.service.CmabService;
-import com.optimizely.ab.cmab.service.DefaultCmabService;
 import com.optimizely.ab.config.AtomicProjectConfigManager;
 import com.optimizely.ab.config.DatafileProjectConfig;
 import com.optimizely.ab.config.EventType;
@@ -82,7 +80,6 @@
 import java.util.Map;
 import java.util.concurrent.locks.ReentrantLock;
 
-import com.optimizely.ab.cmab.client.CmabClient;
 import static com.optimizely.ab.internal.SafetyUtils.tryClose;
 
 /**

core-api/src/main/java/com/optimizely/ab/cmab/client/CmabClientConfig.java

@@ -29,6 +29,11 @@ public CmabClientConfig(@Nullable RetryConfig retryConfig) {
         this.retryConfig = retryConfig;
     }
 
+    public CmabClientConfig(@Nullable RetryConfig retryConfig, @Nullable String cmabEndpoint) {
+        this.retryConfig = retryConfig;
+        this.cmabEndpoint = cmabEndpoint;
+    }
+
     @Nullable
     public RetryConfig getRetryConfig() {
         return retryConfig;
@@ -60,4 +65,13 @@ public static CmabClientConfig withDefaultRetry() {
     public static CmabClientConfig withNoRetry() {
         return new CmabClientConfig(null);
     }
+
+    /**
+     * Creates a config with custom cmab endpoint.
+     * 
+     * @return A cmab client config with custom cmab endpoint
+     */
+    public static CmabClientConfig withCmabEndpoint(@Nullable String cmabEndpoint) {
+        return new CmabClientConfig(RetryConfig.defaultConfig(), cmabEndpoint);
+    }
 }