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CRUD Operations in Gaelyk- Part 2- Read Operation

June 24, 2012

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In our previous post we saw about implementing Create operation for creating a new entity and persisting to the database. In this article lets see how we can retrieve all the entities stored in the datastore. This would be the Read operation from the CRUD operations in Gaelyk Read- CRUD Operations in Gaelyk We would [...]

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CRUD Operations in Gaelyk- Part 1- Create Operation

June 23, 2012

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We have seen here and here on creating simple mashup using Gaelyk. In this series of articles lets see how we can implement CRUD operations in Gaelyk. CRUD Operations in Gaelyk would involve: Create an entity Read an entity Update an entity Delete an entity In this article we will look at creating an entity [...]

Developing Groovy based web application and deploying to Google App Engine

June 5, 2012

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We have seen how to develop a ZK based application and deploy it to OpenShift. Google has also a Paas offering called Google App Engine(GAE) which supports Java, Python and Dart applications. Gaelyk is a simple Groovy based toolkit to develop and deploy application to GAE. In this article lets build a simple Gaelyk based [...]

Using JsonSlurper Groovy API from Java to parse JSON

May 3, 2012

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We have seen here on how to parse JSON in Java using Gson and here on how to parse JSON in Groovy. I also touched upon in brief about Groovy here. The beauty of these JVM languages is that one can invoke these APIs from Java, the only requirement is that you need to have [...]

Parsing JSON using Groovy

April 30, 2012

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In our previous post we saw how we used Gson API to parse the Json using Java. Not spending too much time on the introduction, I would want to straight away dive into the same parsing which can be done using Groovy language. Groovy is a scripting language which runs on the JVM. It can [...]