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SQL Anywhere 12.0.0 » MobiLink - Server Administration » MobiLink server APIs » Writing synchronization scripts in Java » Writing Java synchronization logic

 

Class instances

The MobiLink server instantiates your classes at the connection level. When an event is reached for which you have written a non-static Java method, the MobiLink server automatically creates an instance of the class, if it has not already done so on the present connection.

See Constructors.

All methods directly associated with a connection-level or table-level event for one script version must belong to the same class.

For each database connection, once a class has been instantiated, the class persists until that connection is closed. So, the same instance may be used for multiple consecutive synchronization sessions. Unless it is explicitly cleared, information present in public or private variables persists across synchronizations that occur on the same connection.

You can also use static classes or variables. In this case, the values are available across all connections.

The MobiLink server automatically deletes your class instances only when the connection to the consolidated database is closed.