39 lines
1.7 KiB
Go
39 lines
1.7 KiB
Go
package elasticstream
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type Position struct {
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ID string
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Index string
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Pos int
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}
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type Source interface {
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Configure(context.Context, Config) error
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Open(context.Context, []Position) error
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Read(context.Context) (*Data, error)
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Ack(context.Context, Position) error
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Teardown(context.Context) error
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// -- Lifecycle events -----------------------------------------------------
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// LifecycleOnCreated is called after Configure and before Open when the
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// connector is run for the first time. This call will be skipped if the
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// connector was already started before. This method can be used to do some
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// initialization that needs to happen only once in the lifetime of a
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// connector (e.g. create a logical replication slot). Anything that the
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// connector creates in this method is considered to be owned by this
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// connector and should be cleaned up in LifecycleOnDeleted.
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LifecycleOnCreated(ctx context.Context, config config.Config) error
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// LifecycleOnUpdated is called after Configure and before Open when the
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// connector configuration has changed since the last run. This call will be
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// skipped if the connector configuration did not change. It can be used to
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// update anything that was initialized in LifecycleOnCreated, in case the
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// configuration change affects it.
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LifecycleOnUpdated(ctx context.Context, configBefore, configAfter config.Config) error
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// LifecycleOnDeleted is called when the connector was deleted. It will be
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// the only method that is called in that case. This method can be used to
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// clean up anything that was initialized in LifecycleOnCreated.
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LifecycleOnDeleted(ctx context.Context, config config.Config) error
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mustEmbedUnimplementedSource()
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}
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