By Mocky Habeeb
The entire consultant to development Cloud Computing recommendations with Amazon SimpleDB
Using SimpleDB, any association can leverage Amazon net providers (AWS), Amazon’s strong cloud-based computing platform–and dramatically lessen the price and assets linked to program infrastructure. Now, for the 1st time, there’s an entire developer’s consultant to development creation suggestions with Amazon SimpleDB.
Pioneering SimpleDB developer Mocky Habeeb brings jointly the entire hard-to-find info you want to be triumphant. Mocky excursions the SimpleDB platform and APIs, explains their crucial features and tradeoffs, and is helping you establish no matter if your functions 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 innovations.
Throughout, Mocky attracts on his unsurpassed adventure aiding builders on SimpleDB’s reliable net boards. He deals functional assistance and solutions that can’t be discovered at any place else, and provides wide operating pattern code–from snippets to accomplish functions.
With A Developer’s consultant to Amazon SimpleDB it is possible for you to to
- Evaluate no matter if a undertaking is suited to Amazon SimpleDB
- Write SimpleDB functions that take complete benefit of SimpleDB’s availability, scalability, and adaptability
- Effectively deal with the complete SimpleDB software lifecycle
- Deploy cloud computing purposes quicker and extra simply
- Work with choose and bulk information operations
- Fine song queries to optimize functionality
- Integrate SimpleDB protection into latest organizational protection plans
- Write and increase runtime SimpleDB consumers
- Build whole purposes utilizing AJAX and SimpleDB
- Understand low-level concerns excited about writing consumers and frameworks
- Solve universal SimpleDB utilization difficulties and stay away from hidden pitfalls
This e-book can be an necessary source for each IT specialist comparing or utilizing SimpleDB to construct cloud-computing purposes, consumers, or frameworks.
Read Online or Download A Developer's Guide to Amazon SimpleDB PDF
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Additional info for A Developer's Guide to Amazon SimpleDB
If you are not familiar with it already, getting it up and running is beyond the scope of this book. The things you need to store for each user are as follows: n n n n The username The user’s password A flag indicating if the user is currently enabled A list of authorizations or roles associated with that user These elements can be stored together in a single class. Listing 2-6 shows this within the User class. hashCode(); result = result * prime + (enabled ? At the top of the class, you can see that the four fields storing the data are private, with the public getter methods below them.
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. The remainder is code that gets and formats the values. The timestamp entry tells you the cache time for this domain’s metadata values. MetadataTool uses the timestamp to calculate the metadata’s age in hours. There are three remaining dimensions of your domain described by the metadata: items, attribute names, and attribute values.
Amazon’s strategy of providing the infrastructure building blocks around which an ecosystem of tools and services can grow seems to be working well for its other web services. We begin the examples by developing a domain administration tool. We are going to write this functionality in a command-line tool that will be available outside of an IDE. In this section, we develop a stand-alone administration tool that you can to use to manage your domains. The tool will have the following features: n n n n n A command-line interface Creation of new domains Deletion of existing domains Listing all the domains in your account Detailed listing for an existing domain Key Storage It is very important to treat your AWS credentials with care to prevent anyone from gaining unauthorized access to your account.