Package com.lightstreamer.interfaces.metadata

Interface Summary

Interface	Description
CustomizableItemEvent	Used to provide update information to the calls to the customizeUpdate method of MetadataProvider.
ItemEvent	Used to provide update information to the calls to the isSelected method of MetadataProvider.
MetadataControlListener	Used by Lightstreamer Kernel to receive requests about sessions and any asynchronous severe error notification from the Metadata Adapter.
MetadataProvider	Provides an interface to be implemented by a Metadata Adapter in order to attach a Metadata Provider to Lightstreamer Kernel.

Class Summary

Class	Description
MetadataProviderAdapter	Provides a default implementation of all the MetadataProvider interface methods.
Mode	Used by Lightstreamer to identify a publishing Mode.
MpnDeviceInfo	Specifies a target device for Push Notifications, used with MPN-related requests for the MetadataProvider.
MpnPlatformType	Identifies a Push Notifications platform type, used with MPN-related requests of the MetadataProvider.
MpnSubscriptionInfo	Specifies a Push Notifications subscription, used with MPN-related requests of the MetadataProvider.
SubscriptionStatistics	Used by Lightstreamer to provide to method TableInfo.getSubscriptionStatistics() value objects to report activity statistics for single subscribed items involved in a Table (i.e.: Subscription).
TableInfo	Used by Lightstreamer to provide value objects to the calls to methods MetadataProvider.notifyNewTables(java.lang.String, java.lang.String, com.lightstreamer.interfaces.metadata.TableInfo[]) and MetadataProvider.notifyTablesClose(java.lang.String, com.lightstreamer.interfaces.metadata.TableInfo[]).

Exception Summary

Exception	Description
AccessException	Thrown by the notify* methods in MetadataProvider if the supplied User is not recognized or a functionality is not implemented for this User.
ConflictingSessionException	Thrown by the MetadataProvider.notifyNewSession(String, String, Map) method if a User is not enabled to open a new Session but he would be enabled as soon as another Session were closed.
CreditsException	Thrown by the notify* methods in MetadataProvider if some functionality cannot be allowed to the supplied User.
ItemsException	Thrown by the getItems and getSchema methods in MetadataProvider if the supplied Item Group name (or Item List specification) is not recognized or cannot be resolved.
MetadataProviderException	Thrown by the init method in MetadataProvider if there is some problem that prevents the correct behavior of the Metadata Adapter.
NotificationException	Thrown by the notify* methods in MetadataProvider if there is some inconsistency in the supplied parameters.
ResourceUnavailableException	Can be thrown by the MetadataProvider.notifyUser(java.lang.String, java.lang.String, java.util.Map) methods instead of a generic AccessException if the User credentials cannot be validated because of a temporary lack of resources When receiving this exception, the Server will instruct the client to retry in short time.
SchemaException	Thrown by the getSchema method in MetadataProvider if the supplied Field Schema name (or Field List specification) is not recognized or cannot be resolved.