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ResolvedConnection

arminius_lib_sync::syncv4::connect

Struct ResolvedConnection 

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pub struct ResolvedConnection {
    pub(crate) key: ConnectionKey,
    pub(crate) prev_token: Option<SyncToken>,
    pub(crate) next_token: SyncToken,
}
Expand description

An actual sync v4 connection, tied to a ConnectionKey.

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§key: ConnectionKey

The connection’s (user ID, device ID, connection ID) triplet.

§prev_token: Option<SyncToken>

The token we sent back to the client the last time they synced.

This token is used to

  • a) Know which position we recorded (if any) when they last synced (using the syncv4_position field of the token).
  • b) Know up to which point the user already synced in the current connection.
§next_token: SyncToken

The token we will send back to the client after handling the current sync request. This token represents the latest point in every streams of the server.

Implementations§

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impl ResolvedConnection

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pub fn previous_stored_position(&self) -> Option<i64>

Helper to get the previous token’s syncv4_position, but only if it actually corresponds to a stored position (i.e. it is > 0).

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pub fn prev_events_stream_id(&self) -> Option<i64>

Helper to get the event stream position of the previous token, if any.

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pub fn next_pos_as_string(&self) -> String

Helper to get a String from the next sync token.

Trait Implementations§

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impl Debug for ResolvedConnection

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fn fmt(&self, f: &mut Formatter<'_>) -> Result

Formats the value using the given formatter. Read more

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