Apama Capital Markets Foundation Documentation : Capital Markets Foundation : Legacy Finance Interfaces : Market data package overview : Market data actors
Market data actors
There are two actors in com.apama.marketdata
*The publishers of data
Typically a matching engine or adapter
*The consumers of data
These are typically DataViews, or algorithms
One publisher will be sending data to 0 or more consumers at any point in time.
Please note that the CMF contains a number of utilities for dealing with this protocol. There is an object called the MarketDataKey, which the consumers of data can use to ensure they get the correct data. There are two others called the DepthPublisher and TickPublisher, these can be used to reduce the development time of market data publishers, implementing reference counting and ensuring the correct extra parameters are set.
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