Download A Developer's Guide to Amazon SimpleDB by Mocky Habeeb PDF

By Mocky Habeeb

The entire consultant to construction Cloud Computing ideas with Amazon SimpleDB


Using SimpleDB, any association can leverage Amazon net companies (AWS), Amazon’s strong cloud-based computing platform–and dramatically lessen the fee and assets linked to program infrastructure. Now, for the 1st time, there’s an entire developer’s consultant to construction creation strategies with Amazon SimpleDB.


Pioneering SimpleDB developer Mocky Habeeb brings jointly the entire hard-to-find info you must prevail. Mocky excursions the SimpleDB platform and APIs, explains their crucial features and tradeoffs, and is helping you establish no matter if your purposes are acceptable for SimpleDB. subsequent, he walks you thru all elements of writing, deploying, querying, optimizing, and securing Amazon SimpleDB applications–from the fundamentals via complicated thoughts.


Throughout, Mocky attracts on his unsurpassed adventure assisting builders on SimpleDB’s reliable internet boards. He bargains functional suggestions and solutions that can’t be chanced on at any place else, and offers huge operating pattern code–from snippets to accomplish functions.


With A Developer’s consultant to Amazon SimpleDB it is possible for you to to

  • Evaluate even if a undertaking is fitted to Amazon SimpleDB
  • Write SimpleDB purposes that take complete benefit of SimpleDB’s availability, scalability, and suppleness
  • Effectively deal with the total SimpleDB software lifecycle
  • Deploy cloud computing functions swifter and extra simply
  • Work with decide upon and bulk info operations
  • Fine track queries to optimize functionality
  • Integrate SimpleDB protection into current organizational safety plans
  • Write and increase runtime SimpleDB consumers
  • Build whole purposes utilizing AJAX and SimpleDB
  • Understand low-level matters curious about writing consumers and frameworks
  • Solve universal SimpleDB utilization difficulties and steer clear of hidden pitfalls


This e-book could be an fundamental source for each IT specialist comparing or utilizing SimpleDB to construct cloud-computing purposes, consumers, or frameworks.


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Extra resources for A Developer's Guide to Amazon SimpleDB

Example text

It seeks to solve many of the same problems as SimpleDB, but from the standpoint of an open-source product offering rather than a pay-as-you-go service. Amazon has published information about Dynamo that includes design goals, runtime characteristics, and examples of how it is used. From the published information, we know that SimpleDB has some things in common with Dynamo, most notably the eventual consistency. Three open-source products that fit into this category are Project Voldemort, Dynomite, and Cassandra.

This class uses the “users” domain by default but allows a different name to be set via the setDomainName() method. This decision is dependent on your application domain, and this class supports both ways of storing the authorities. If the enableGroups flag is set, a different set of queries is used to look up the groups first and then the authorities. If enableGroups is not set, the roles are pulled directly from the user item. The method loadUserByUsername() is the entry point for this class.

If the call returns successfully, a message is printed to the console. Be aware that calls to the SimpleDB operation CreateDomain for domains that already exist have no effect, and an error is not raised. Supporting Domain Deletion Domain deletion is nearly identical to domain creation from a code perspective. Listing 2-4 shows domain deletion. println("Domain deleted: " + domain); } } The only difference between the DeleteTool class and the CreateTool class is the call to the SimpleDB library’s deleteDomain() method and the text of the console message.

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