add description for DataHandler with Future

tsuyoshizawa · tsuyoshizawa · commit 733dc6873ca8 · 2014-08-17T12:55:59.000+09:00
diff --git a/README.md b/README.md
@@ -80,6 +80,8 @@ class MyDataHandler extends DataHandler[User] {
 }
 ```
 
+If your data access is blocking for the data storage, then you just wrap your implementation in the ```DataHandler``` trait with ```Future.successful(...)```.
+
 For more details, refer to Scaladoc of ```DataHandler```.
 
 ### Work with Playframework

Original file line number	Diff line number	Diff line change
`@@ -80,6 +80,8 @@ class MyDataHandler extends DataHandler[User] {`
`80`	`80`	`}`
`81`	`81`	```
`82`	`82`
	`83`	+If your data access is blocking for the data storage, then you just wrap your implementation in the ```DataHandler``` trait with ```Future.successful(...)```.
	`84`	`+`
`83`	`85`	For more details, refer to Scaladoc of ```DataHandler```.
`84`	`86`
`85`	`87`	`### Work with Playframework`