Dharam- You should take a look at this...
http://docs.spring.io/spring-data-gemfire/docs/current/reference/html/#bootstrap:region:json Also, be aware that if you stick a (JSON) "String" in a Region as a value (i.e. Region.put(key, stringValue)) then the type of the value will be a String, not a PDX instance as I assume you would expect. Geode has no idea whether you are sticking JSON into a Region or a String. Additionally, using JSONFormatter is clunky and limiting since you are now tied to the JSON processing implementation of JSONFormatter. Likewise, it only knows about JSON Strings (PdxInstance:fromJSON(:String)) and PDX Instances (toJSON(:PdxInstance)). What happens if you pass in an Object? What then? Under-the-hood, the SDG Region auto-proxy support uses JSONFormatter, but also knows what to do with a POJO if a Region.put(key, Object) occurs since that Region is proxied to store JSON, err... PDX content. You must have the JSON data stored in Geode as a PdxInstance to be able to index and query the JSON document. Hope this helps! -John On Sat, Dec 31, 2016 at 8:59 AM, Dharam Thacker <[email protected]> wrote: > Hi Team, > > Wish you all a very happy new year! > > Is there any example on json processing with apache geode? > > Could you help us with below examples on how region definition would look > like? > > *Example*: > > *Case1: Primary key <java.lang.String>* > > region.put(String.valueOf(i), JSONFormatter.fromJSON(obj.toJSONString())); > > For above, I believe it should be --> Region<String,PdxInstance> then how > does it look like in spring data geode xml configuration? > > > *Case2: Primary Key <? extends java.lang.Serializable>* > > region.put (new CustomObject() , JSONFormatter.fromJSON(obj. > toJSONString())); > > For above, I believe it should be --> Region<CustomObject,PdxInstance> > then how does it look like in spring data geode xml configuration? > > *Case3: Is below case valid one and recommended ?* > > @Region > Class JSONRegion { > CustomPrimaryKeyObject primaryKey; > JSONObject jsonObject; > > // Constructor + Getter/Setter > } > > > More is there any limitation/pros-cons if we store JSON document as value > vs schema bound domain java object? > > Thanks & Regards, > - Dharam Thacker > -- -John john.blum10101 (skype)
