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Final java presentation
- 1. FUN WITH JAVA Manisha Mahawar Quick Solutions
- 4. 9 million Java developers
- 6. But...
- 10. What we could do to make it better?
- 11. Use right tool for the right job
- 12. Simplify integration with
- 13. Simplify integration with Camel
- 14. File Copier
- 17. Code Demo
- 18. Side effect free code with
- 19. Side effect free code with FunctionalJava
- 20. What is FP?
- 21. Code Demo
- 22. Reduce boilerplate with
- 23. Reduce boilerplate with Guava
- 24. List vs. Set Ordered? Duplicate? Y N Y List Multiset N Set
- 25. Make web development fun with
- 26. Make web development fun with Playframework
- 27. Thank You โขhttp://camel.apache.org/ โขhttp://functionaljava.org/ โขhttp://code.google.com/p/google- collections/ โขhttp://www.playframework.org/ Manisha Mahawar http://braintwitter.blogspot.com/ twitter@mmahawar mmahawar@gmail.com
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- Guess number of java programmers worldwide?\n
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- Feels old\n
- feels complex. Maybe should use picture of lego puzzle\n
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- In our daily enterprise solutions we struggle to solve the integration puzzle of plugging multiple systems together like a jigsaw puzzle. But where as jigsaw puzzles are made to plug into each other, the systems we have to integrate rarely are. Integration frameworks aim to fill this gap so that we can integrate with systems simply, seamlessly and robustly. Apache Camel is nothing but a Integration Framework. \nThe core of camel is a routing engine or more precisely a routing engine building. It allows you to define your own routing rules, decide from which sources to accept message and determine how to process and send those messages to other destinations. Camel offers higher-level abstractions that allow you to interact with various systems using the same API regardless of the protocol or data type the systems are using.\nComponents in Camel provide specific implementations of the API that target different protocols and data types.\n
- Suppose you need to read files from one directory (data/inbox), process them in some way, and write the result to another directory (data/outbox). For simplicity, you’ll skip the processing, so your output will be merely a copy of the original file.\n\nLow level API and ensuring that resources are getting closed properly, a task which can easily go wrong.\n
- Architecture from 10,000 feet.\nCamel’s routing engine is what actually moves messages under the hood. This engine isn’t exposed to the developer, but you should be aware that it’s there and that it does all the heavy lifting, ensuring that messages are routed properly.\nCamel context is nothing but a container which you may think as a camel’s runtime to keep all the pieces together. \nComponents are extension points in camel to add connectivity with other system.\nTo expose these components to rest of Camel, Components provide an Endpoint Interface. By using URI, you can send and receive messages on Endpoints in a uniform way. \nProcessors are used to manipulate or mediate messages between endpoints. To wire Endpoints and Processes together Java uses a DSL.\n\n
- A customer has two ways of submitting orders to the Rider Auto Parts order-handling system: either by uploading the raw order file to an FTP server or by submitting an order through the Rider Auto Parts web store. All orders are eventually sent via JMS for processing at Rider Auto Parts.\n\n
- A customer has two ways of submitting orders to the Rider Auto Parts order-handling system: either by uploading the raw order file to an FTP server or by submitting an order through the Rider Auto Parts web store. All orders are eventually sent via JMS for processing at Rider Auto Parts.\n\n
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- FunctionalJava is open source library to apply functional concepts to java. The library used generics and anonymous inner classes heavy, in order to keep the burden of learning new dsl or api off developers head. \nWith that said we are definitely getting expressiveness and guarantees of functional programming but without its succinctness. \n
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- new collection types, implementations and related goodness for Java 5 and higher, brought to you by Google. It is a natural extension of the Java Collections Framework.\nMultimap, Multiset, BiMap and others\nHigh-performance immutable implementations of the standard collection types, for example ImmutableSet\nOrdering, which can only be described as a "Comparator on steroids"\nIterators and Iterables utility classes: element-based equality, cycle, concat, partition, filter with predicate, transform with function, and much more\n
- new collection types, implementations and related goodness for Java 5 and higher, brought to you by Google. It is a natural extension of the Java Collections Framework.\nMultimap, Multiset, BiMap and others\nHigh-performance immutable implementations of the standard collection types, for example ImmutableSet\nOrdering, which can only be described as a "Comparator on steroids"\nIterators and Iterables utility classes: element-based equality, cycle, concat, partition, filter with predicate, transform with function, and much more\n
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