de.sciss.lucre.stm

Sys

trait Sys[S <: Sys[S]] extends Closeable

A system in LucreSTM describes a particular mode of representing values in time and of persisting values to disk. The Sys trait contains types for variables, identifiers, access paths, and transactions which are unique to each system (such as ephemeral in-memory, confluently persistent etc.).

S

the representation type of the system

Linear Supertypes
Closeable, AutoCloseable, AnyRef, Any
Known Subclasses
Durable, DurableLike, InMemory, InMemoryLike, Mixin, Mixin, NoSys
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Inherited
  1. Sys
  2. Closeable
  3. AutoCloseable
  4. AnyRef
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Type Members

  1. abstract type Acc

    The path access type for objects if they carry a temporal trace.

    The path access type for objects if they carry a temporal trace. This is used by confluently persistent systems, while it is typically Unit for ephemeral systems.

  2. abstract type Context <: AnyRef

  3. abstract type I <: InMemoryLike[I]

  4. abstract type ID <: Identifier[S.Tx]

    The identifier type of the system.

    The identifier type of the system. This is an opaque type about which the user only knows that it uniquely identifies and object (or an object along with its access path in the confluent case). It is thus valid to assume that two objects are equal if their identifiers are equal.

  5. abstract type Tx <: Txn[S]

    The transaction type of the system.

  6. abstract type Var[A] <: stm.Var[S.Tx, A]

    The variable type of the system.

    The variable type of the system. Variables allow transactional storage and retrieval both of immutable and mutable values. Specific systems may extend the minimum capabilities described by the Var trait.

Abstract Value Members

  1. abstract def close(): Unit

    Closes the underlying database (if the system is durable).

    Closes the underlying database (if the system is durable). The STM cannot be used beyond this call. An in-memory system should have a no-op implementation.

    Definition Classes
    Sys → Closeable → AutoCloseable

  2. abstract def inMemory: I

  3. abstract def inMemoryTx(tx: S.Tx): I.Tx

  4. abstract def root[A](init: (S.Tx) ⇒ A)(implicit serializer: Serializer[S.Tx, S.Acc, A]): Source[S.Tx, A]

    Reads the root object representing the stored data structure, or provides a newly initialized one via the init argument, if no root has been stored yet.

Concrete Value Members

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

    Definition Classes
    AnyRef

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

    Definition Classes
    Any

  3. final def ##(): Int

    Definition Classes
    AnyRef → Any

  4. final def ==(arg0: AnyRef): Boolean

    Definition Classes
    AnyRef

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

    Definition Classes
    Any

  6. final def asInstanceOf[T0]: T0

    Definition Classes
    Any

  7. def clone(): AnyRef

    Attributes
    protected[java.lang]
    Definition Classes
    AnyRef
    Annotations
    @throws( ... )

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

    Definition Classes
    AnyRef

  9. def equals(arg0: Any): Boolean

    Definition Classes
    AnyRef → Any

  10. def finalize(): Unit

    Attributes
    protected[java.lang]
    Definition Classes
    AnyRef
    Annotations
    @throws( classOf[java.lang.Throwable] )

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

    Definition Classes
    AnyRef → Any

  12. def hashCode(): Int

    Definition Classes
    AnyRef → Any

  13. final def isInstanceOf[T0]: Boolean

    Definition Classes
    Any

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

    Definition Classes
    AnyRef

  15. final def notify(): Unit

    Definition Classes
    AnyRef

  16. final def notifyAll(): Unit

    Definition Classes
    AnyRef

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

    Definition Classes
    AnyRef

  18. def toString(): String

    Definition Classes
    AnyRef → Any

  19. final def wait(): Unit

    Definition Classes
    AnyRef
    Annotations
    @throws( ... )

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

    Definition Classes
    AnyRef
    Annotations
    @throws( ... )

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

    Definition Classes
    AnyRef
    Annotations
    @throws( ... )

Inherited from Closeable

Inherited from AutoCloseable

Inherited from AnyRef

Inherited from Any

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