ODEO new release

Recently, I released a new version 1.1.34 of ODEO (it’s ODE tuned for Oracle and ServiceMix).You can check details (and downloads) here: http://top.touk.pl/confluence/display/top/ODEO.This version contains yet another set of fixes, which drive your BPE…Recently, I released a new version 1.1.34 of ODEO (it’s ODE tuned for Oracle and ServiceMix).You can check details (and downloads) here: http://top.touk.pl/confluence/display/top/ODEO.This version contains yet another set of fixes, which drive your BPE…

Recently, I released a new version 1.1.34 of ODEO (it’s ODE tuned for Oracle and ServiceMix).
You can check details (and downloads) here: http://top.touk.pl/confluence/display/top/ODEO.
This version contains yet another set of fixes, making your BPEL engine more robust and useful for production use.
Recent improvements include: faster redeployment for high-load installations, priorities for jobs and digests for compiled processes (which enable substitution of xpaths in processes and have old instances continued in new version).
There are also some bug fixes and user experience improvements, so you are welcome to check it out!

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Need to make a quick json fixes – JSONPath for rescue

From time to time I have a need to do some fixes in my json data. In a world of flat files I do this with grep/sed/awk tool chain. How to handle it for JSON? Searching for a solution I came across the JSONPath. It quite mature tool (from 2007) but I haven't hear about it so I decided to share my experience with others.

First of all you can try it without pain online: http://jsonpath.curiousconcept.com/. Full syntax is described at http://goessner.net/articles/JsonPath/



But also you can download python binding and run it from command line:
$ sudo apt-get install python-jsonpath-rw
$ sudo apt-get install python-setuptools
$ sudo easy_install -U jsonpath

After that you can use inside python or with simple cli wrapper:
#!/usr/bin/python
import sys, json, jsonpath

path = sys.argv[
1]

result = jsonpath.jsonpath(json.load(sys.stdin), path)
print json.dumps(result, indent=2)

… you can use it in your shell e.g. for json:
{
"store": {
"book": [
{
"category": "reference",
"author": "Nigel Rees",
"title": "Sayings of the Century",
"price": 8.95
},
{
"category": "fiction",
"author": "Evelyn Waugh",
"title": "Sword of Honour",
"price": 12.99
},
{
"category": "fiction",
"author": "Herman Melville",
"title": "Moby Dick",
"isbn": "0-553-21311-3",
"price": 8.99
},
{
"category": "fiction",
"author": "J. R. R. Tolkien",
"title": "The Lord of the Rings",
"isbn": "0-395-19395-8",
"price": 22.99
}
],
"bicycle": {
"color": "red",
"price": 19.95
}
}
}

You can print only book nodes with price lower than 10 by:
$ jsonpath '$..book[?(@.price 

Result:
[
{
"category": "reference",
"price": 8.95,
"title": "Sayings of the Century",
"author": "Nigel Rees"
},
{
"category": "fiction",
"price": 8.99,
"title": "Moby Dick",
"isbn": "0-553-21311-3",
"author": "Herman Melville"
}
]

Have a nice JSON hacking!From time to time I have a need to do some fixes in my json data. In a world of flat files I do this with grep/sed/awk tool chain. How to handle it for JSON? Searching for a solution I came across the JSONPath. It quite mature tool (from 2007) but I haven't hear about it so I decided to share my experience with others.