[core,mongodb] Moved MongoDb BATCHED_OK Status to core, useful for other bindings as well

core/src/main/java/com/yahoo/ycsb/Status.java

@@ -87,6 +87,6 @@ public class Status {
   public static final Status BAD_REQUEST = new Status("BAD_REQUEST", "The request was not valid.");
   public static final Status FORBIDDEN = new Status("FORBIDDEN", "The operation is forbidden.");
   public static final Status SERVICE_UNAVAILABLE = new Status("SERVICE_UNAVAILABLE", "Dependant service for the current binding is not available.");
-  
+  public static final Status BATCHED_OK = new Status("BATCHED_OK", "The operation has been batched by the binding to be executed later.");
 }
 

mongodb/src/main/java/com/yahoo/ycsb/db/AsyncMongoDbClient.java

@@ -286,7 +286,7 @@ public class AsyncMongoDbClient extends DB {
         batchedWriteCount += 1;
 
         if (batchedWriteCount < batchSize) {
-          return OptionsSupport.BATCHED_OK;
+          return Status.BATCHED_OK;
         }
 
         long count = collection.write(batchedWrite);

mongodb/src/main/java/com/yahoo/ycsb/db/MongoDbClient.java

@@ -286,7 +286,7 @@ public class MongoDbClient extends DB {
           }
           bulkInserts.clear();
         } else {
-          return OptionsSupport.BATCHED_OK;
+          return Status.BATCHED_OK;
         }
       }
       return Status.OK;

mongodb/src/main/java/com/yahoo/ycsb/db/OptionsSupport.java

@@ -18,8 +18,6 @@ package com.yahoo.ycsb.db;
 
 import java.util.Properties;
 
-import com.yahoo.ycsb.Status;
-
 /**
  * OptionsSupport provides methods for handling legacy options.
  *
@@ -27,13 +25,6 @@ import com.yahoo.ycsb.Status;
  */
 public final class OptionsSupport {
 
-  /** 
-   * Status used for operations that have not been send to the server and have 
-   * only been batched by the client.
-   */
-  public static final Status BATCHED_OK = new Status("BATCHED_OK", 
-      "The operation has been batched by the binding.");
-
   /** Value for an unavailable property. */
   private static final String UNAVAILABLE = "n/a";