Akka.Persistence.PostgreSql.Hosting

Akka.Persistence.PostgreSql.Hosting

Akka.Hosting extension methods to add Akka.Persistence.PostgreSql to an ActorSystem

Akka.Persistence.PostgreSql Extension Methods

WithPostgreSqlPersistence() Method

public static AkkaConfigurationBuilder WithPostgreSqlPersistence(
    this AkkaConfigurationBuilder builder,
    string connectionString,
    PersistenceMode mode = PersistenceMode.Both,
    string schemaName = "public",
    bool autoInitialize = false,
    StoredAsType storedAsType = StoredAsType.ByteA,
    bool sequentialAccess = false,
    bool useBigintIdentityForOrderingColumn = false, 
    Action<AkkaPersistenceJournalBuilder> configurator = null);

Parameters

• connectionString string

  Connection string used for database access.

• mode PersistenceMode

  Determines which settings should be added by this method call. Default: PersistenceMode.Both

  • PersistenceMode.Journal: Only add the journal settings
  • PersistenceMode.SnapshotStore: Only add the snapshot store settings
  • PersistenceMode.Both: Add both journal and snapshot store settings

• schemaName string

  The schema name for the journal and snapshot store table. Default: "public"

• autoInitialize bool

  Should the SQL store table be initialized automatically. Default: false

• storedAsType StoredAsType

  Determines how data are being de/serialized into the table. Default: StoredAsType.ByteA

  • StoredAsType.ByteA: Byte array
  • StoredAsType.Json: JSON
  • StoredAsType.JsonB: Binary JSON

• sequentialAccess bool

  Uses the CommandBehavior.SequentialAccess when creating SQL commands, providing a performance improvement for reading large BLOBS. Default: false

• useBigintIdentityForOrderingColumn bool

  When set to true, persistence will use BIGINT and GENERATED ALWAYS AS IDENTITY for journal table schema creation. Default: false

  NOTE

  This only affects newly created tables, as such, it should not affect any existing database.

  WARNING

  To use this feature, you have to have PorsgreSql version 10 or above

• configurator Action<AkkaPersistenceJournalBuilder>

  An Action delegate used to configure an AkkaPersistenceJournalBuilder instance. Used to configure Event Adapters