crud

Google App Engine + JDO + Spring MVC, CRUD example

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Note This tutorial is more on practice guide, please refer to this official Using JDO in datastore for detail explanation. See following code snippets to perform CRUD on GAE datastore, using Java Data Objects(JDO). Just annotate the Customer with JDO annotation and perform the CRUD via PersistenceManager. Add Customer c = new Customer(); c.setName(name); PersistenceManager …

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Google App Engine + Spring MVC, CRUD example with datastore low level api

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GAE datastore Refer to this official “Using datstore guide” to understand what is GAE datastore. See following code snippets to perform CRUD for Google App Engine datastore, Java, using low-level API. Add Store a customer into datastore, with “name” as the key. Key customerKey = KeyFactory.createKey("Customer", "your name"); Entity customer = new Entity("Customer", customerKey); customer.setProperty("name", …

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