- - PowerPoint PPT Presentation

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Structure of this Talk

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A Loosely-coupled Component Infrastructure

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A Loosely-coupled Component Infrastructure

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The LooCI Architecture

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What is a LooCI Component?

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What is a LooCI Interface?

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The Component Life-Cycle

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The LooCI Event Bus

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More Fine Grained

The LooCI Event Bus

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LooCI Bindings

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One-to-One Bindings

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Multi-Party Bindings

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Multi-Party Bindings

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Use of Wildcards

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Opportunistic Interactions

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Structure of this Talk

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LooCI v1.0 APIs

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LooCI Deployment API

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LooCI Control API (1/2)

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LooCI Control API (2/2)

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LooCI Introspection API (1/3)

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LooCI Introspection API (2/3)

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LooCI Introspection API (3/3)

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Structure of this Talk

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Programming LooCI/SPOT (1/2)

public class TempFilter extends LooCIComponent { private final int TEMP_THRESHOLD = 20; public TempFilter() { super("TempFilter", // component type new byte[]{EventTypes.TEMP_READING}, // interfaces new byte[]{EventTypes.TEMP_READING}); // receptacles } protected void start() { } protected void stop() { } public void receive(Event event) { ... } }

Programming LooCI/SPOT (2/2)

public class TempFilter extends LooCIComponent { private final int TEMP_THRESHOLD = 20; ... public void receive(Event event) { if (event.getType() == EventTypes.TEMP_READING) { PayloadBuilder payload = new PayloadBuilder(event.getPayload()); int reading = payload.getIntegerAt(0); if (reading > TEMP_THRESHOLD) { payload = new PayloadBuilder(); payload.addInteger(reading); publish(new Event(EventTypes.TEMP_READING, getComponentID(), payload.getPayload())); } } } }

References

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Any Questions?

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