Apama Capital Markets Foundation Documentation : Capital Markets Foundation : Legacy Finance Interfaces : Market data package overview : Authority rules
Authority rules
Authority rules for the Legacy Market Data API include the following:
*Any consumer may send a subscription to get data
*Only one publisher can send data and errors for a given source key
To avoid conflicting data, only one publisher should try and transmit data for any given source key.
*Only consumers that have sent a subscription can send unsubscribe requests
To ensure that the publisher keeps a correct reference count, only consumers that have an active subscription can send unsubscribe requests.
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