poseidon - edenzik.github.ioedenzik.github.io/poseidon/slides/initial.pdf · goals • understand...
TRANSCRIPT
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POSEIDONfor RESTful Streaming
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WHO ARE WE?
• Sharat, Eden, Yahui, Artem - Students at Brandeis
• Pito Salas - Professor and mentor
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GOALS
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GOALS
• Understand capabilities of Streambase system
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GOALS
• Understand capabilities of Streambase system
• Brainstorm new or novel ways to interact with it
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GOALS
• Understand capabilities of Streambase system
• Brainstorm new or novel ways to interact with it
• Hopefully bring useful ideas to the table
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GOALS
• Understand capabilities of Streambase system
• Brainstorm new or novel ways to interact with it
• Hopefully bring useful ideas to the table
• Potentially influence Streambase’s development cycle
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STREAMBASE STUDIO
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STREAMBASE STUDIO
• Extremely powerful tool
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STREAMBASE STUDIO
• Extremely powerful tool
• User friendly for the most part
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STREAMBASE STUDIO
• Extremely powerful tool
• User friendly for the most part
• Cross platform
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STREAMBASE STUDIO
• Extremely powerful tool
• User friendly for the most part
• Cross platform
• High performance
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STREAMBASE STUDIO• Extremely powerful tool
• User friendly for the most part
• Cross platform
• High performance
• No programming experience needed
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STREAMBASE STUDIO
Disclaimer: our impressions are naive!
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STREAMBASE STUDIO
• Installation required
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STREAMBASE STUDIO
• Installation required
• Desktop only
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STREAMBASE STUDIO
• Installation required
• Desktop only
• Streaming requires both endpoints to implement protocol (sender + receiver)*
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STREAMBASE STUDIO
• Installation required
• Desktop only
• Streaming requires both endpoints to implement protocol (sender + receiver)*
• Compile, run workflow
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STREAMBASE STUDIO• Installation required
• Desktop only
• Streaming requires both endpoints to implement protocol (sender + receiver)*
• Compile, run workflow
• No flow through data
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OUR TAKE…
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OUR TAKE…
• Web browser based
• No installation
• Fast delivery
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OUR TAKE…
• Web browser based
• RESTful API
• Quasi-universal in the world of low performance live data
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REST API
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OUR TAKE…
• Web browser based
• RESTful API
• Live stream construction
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OUR TAKE…
• Web browser based
• RESTful API
• Live stream construction
• Data flows as soon as nodes are connected
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OUR TAKE…• Web browser based
• RESTful API
• Live stream construction
• Data flows as soon as nodes are connected
• Live debugging of data
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OUR TAKE…
• Web browser based
• RESTful API
• Live stream construction
• JSON Format
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A “QUERY”
Do more people ride the T when the weather is nice?
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A “QUERY”
Do more people ride the T when the weather is nice?
And how do they feel doing it?
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A “QUERY”How is the stock market doing on days with nice
weather?
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DEMO
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STACK
• Vaadin
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STACK
• Vaadin
• Java based
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STACK
• Vaadin
• Java based
• Asynchronous
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STACK• Vaadin
• Java based
• Asynchronous
• Generates Javascript, CSS from Java Code
• Google Web Toolkit based
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PROGRESS
• Basic UI - simple and compelling
• Connects to REST sources
• Maps JSON
• Operators partially implemented (Filter, In, Out, Map)
• Data live view
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TODO• Fully implement operations
• Out of the box parallelism, including UI Push
• Fully customizable workflows
• Saving and user state
• Export to database
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VAADIN
• Pros
• Front-end and back-end framework
• Google Web Toolkit
• Numerous Plugins
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VAADIN• Pros:
• Cons:
• Theory > Implementation
• UI debugging is very cumbersome
• Steep learning curve to become expert
• Alternatives: Rails, Javascript framework
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WRAP-UP
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WRAP-UP
• Novel approach to Streambase Studio
• Browser based
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WRAP-UP
• Novel approach to Streambase Studio
• Browser based
• REST API using JSON (Eventually XML,CVS)
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WRAP-UP
• Novel approach to Streambase Studio
• Browser based
• REST API using JSON (Eventually XML,CVS)
• No compilation with modest performance
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WRAP-UP• Novel approach to Streambase Studio
• Browser based
• REST API using JSON (Eventually XML,CVS)
• No compilation with modest performance
• Live data view with live modifications