Class

it.agilelab.darwin.manager

AvroSchemaManager

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abstract class AvroSchemaManager extends Logging

The main entry point of the Darwin library. An instance of AvroSchemaManager should ALWAYS be obtained through the AvroSchemaManagerFactory. The manager is responsible for schemas registration, retrieval and updates.

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Instance Constructors

  1. new AvroSchemaManager(connector: Connector)

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Abstract Value Members

  1. abstract def getAll: Seq[(Long, Schema)]

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    Retrieves all registered schemas

    Retrieves all registered schemas

    returns

    A Sequence of (ID, Schema)

  2. abstract def getSchema(id: Long): Option[Schema]

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    Extracts the Schema from its ID.

    Extracts the Schema from its ID.

    id

    a Long representing an ID

    returns

    the Schema associated to the input ID

  3. abstract def registerAll(schemas: Seq[Schema]): Seq[(Long, Schema)]

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    Checks if all the input Schema elements are already in the cache.

    Checks if all the input Schema elements are already in the cache. Then, it performs an insert on the storage for all the elements not found on the cache, and then returns each input schema paired with its ID.

    schemas

    all the Schema that should be registered

    returns

    a sequence of pairs of the input schemas associated with their IDs

  4. abstract def reload(): AvroSchemaManager

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    Reloads all the schemas from the previously configured storage.

Concrete Value Members

  1. final def !=(arg0: Any): Boolean

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  2. final def ##(): Int

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  3. final def ==(arg0: Any): Boolean

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  4. final def asInstanceOf[T0]: T0

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  5. def clone(): AnyRef

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  6. final def eq(arg0: AnyRef): Boolean

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  7. def equals(arg0: Any): Boolean

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  8. def finalize(): Unit

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  9. def generateAvroSingleObjectEncoded(avroPayload: Array[Byte], schema: Schema): Array[Byte]

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    Create an array that creates a Single-Object encoded byte array.

    Create an array that creates a Single-Object encoded byte array. By specifications the encoded array is obtained concatenating the V1_HEADER, the schema id and the avro-encoded payload.

    avroPayload

    avro-serialized payload

    schema

    the schema used to encode the payload

    returns

    a Single-Object encoded byte array

  10. final def getClass(): Class[_]

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  11. def getId(schema: Schema): Long

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    Extracts the ID from a Schema.

    Extracts the ID from a Schema.

    schema

    a Schema with unknown ID

    returns

    the ID associated with the input schema

  12. def hashCode(): Int

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  13. final def isInstanceOf[T0]: Boolean

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  14. lazy val log: Logger

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  15. final def ne(arg0: AnyRef): Boolean

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  16. final def notify(): Unit

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  17. final def notifyAll(): Unit

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  18. def registerAll(schemas: Iterable[Schema]): Iterable[IdSchemaPair]

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    JAVA API: Checks if all the input Schema elements are already in the cache.

    JAVA API: Checks if all the input Schema elements are already in the cache. Then, it performs an insert on the storage for all the elements not found on the cache, and then returns each input schema paired with its ID.

    schemas

    all the Schema that should be registered

    returns

    a sequence of pairs of the input schemas associated with their IDs

  19. def retrieveSchemaAndAvroPayload(avroSingleObjectEncoded: Array[Byte]): (Schema, Array[Byte])

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    Extracts a Tuple2 that contains the Schema and the Avro-encoded payload

    Extracts a Tuple2 that contains the Schema and the Avro-encoded payload

    avroSingleObjectEncoded

    a byte array of a Single-Object encoded payload

    returns

    a pair containing the Schema and the payload of the input array

  20. def retrieveSchemaAndPayload(avroSingleObjectEncoded: Array[Byte]): SchemaPayloadPair

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    Extracts a SchemaPayloadPair that contains the Schema and the Avro-encoded payload

    Extracts a SchemaPayloadPair that contains the Schema and the Avro-encoded payload

    avroSingleObjectEncoded

    a byte array of a Single-Object encoded payload

    returns

    a SchemaPayloadPair containing the Schema and the payload of the input array

  21. final def synchronized[T0](arg0: ⇒ T0): T0

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  22. def toString(): String

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  23. final def wait(): Unit

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  24. final def wait(arg0: Long, arg1: Int): Unit

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  25. final def wait(arg0: Long): Unit

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