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From "Michael Justin (JIRA)" <j...@apache.org>
Subject [jira] Commented: (AMQ-1609) STOMP messages only support properties with data type String
Date Wed, 09 Apr 2008 17:30:32 GMT

    [ https://issues.apache.org/activemq/browse/AMQ-1609?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=42124#action_42124
] 

Michael Justin commented on AMQ-1609:
-------------------------------------

I suggest to use JSON's basic type notation, for example: 

SEND
destination:/queue/a
property-encoding:json
mystring:"foo"
myboolean:true
myint:911
myfloat:0.7
mynull:null

hello queue a
^@

JSON's basic types are
* Number (integer, real, or floating point)
* String (double-quoted Unicode with backslash escapement)
* Boolean (true and false)
* Array (an ordered sequence of values, comma-separated and enclosed in square brackets)
* Object (collection of key/value pairs, comma-separated and enclosed in curly brackets)
* null

property-encoding:json would indicate that the JSON syntax should be used to map the properties
to Java objects in the message broker

Kind Regards
Michael Justin

> STOMP messages only support properties with data type String 
> -------------------------------------------------------------
>
>                 Key: AMQ-1609
>                 URL: https://issues.apache.org/activemq/browse/AMQ-1609
>             Project: ActiveMQ
>          Issue Type: Improvement
>            Reporter: Michael Justin
>
> Currently the STOMP connector seems to support only string type message properties. 
> As an effect, subscription selectors like color = 'blue' AND weight > 2500 will not
work (if the message has been sent using STOMP, the weight property will be a string).
> I suggest to implement typed properties in the Stomp protocol which could be serialized
in a platform-independent way.
> In addtion , if I understand the OpenWire documentation correctly, the OpenWire protocol
supports some simple datatypes, but not - for example - Date, which would be easy to map to
a long value.

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