Package org.eclipse.rdf4j.query.algebra.evaluation.util

Class EvaluationStrategies

java.lang.Object
org.eclipse.rdf4j.query.algebra.evaluation.util.EvaluationStrategies
@Deprecated(forRemoval=true, since="4.0.0") public class EvaluationStrategies extends Object
Deprecated, for removal: This API element is subject to removal in a future version.
Registry for currently active EvaluationStrategy objects. The internal registry uses soft references to allow entries to be garbage-collected when no longer used. Currently, the primary purpose of this is to support (de)serialization of objects (over the lifetime of the VM) that depend on an EvaluationStrategy
Author:
Jeen Broekstra

  • Method Summary

    Modifier and Type
    Method
    Description
    static EvaluationStrategy
    get(UUID key)
    Deprecated, for removal: This API element is subject to removal in a future version.
    Retrieve the EvaluationStrategy registered with the supplied key.
    static UUID
    getKey(EvaluationStrategy strategy)
    Deprecated, for removal: This API element is subject to removal in a future version.
    Retrieve the registry key for the given EvaluationStrategy
    static UUID
    register(EvaluationStrategy strategy)
    Deprecated, for removal: This API element is subject to removal in a future version.
    Add a strategy to the registry and returns the registry key.

    Methods inherited from class java.lang.Object

    clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

  • Method Details

    • get

      public static EvaluationStrategy get(UUID key)
      Deprecated, for removal: This API element is subject to removal in a future version.
      Retrieve the EvaluationStrategy registered with the supplied key.
      Parameters:
      key - the key
      Returns:
      the registered EvaluationStrategy, or null if no matching EvaluationStrategy can be found.

    • getKey

      public static UUID getKey(EvaluationStrategy strategy)
      Deprecated, for removal: This API element is subject to removal in a future version.
      Retrieve the registry key for the given EvaluationStrategy
      Parameters:
      strategy - the EvaluationStrategy for which to retrieve the registry key
      Returns:
      the registry key with which the supplied strategy can be retrieved, or null if the supplied strategy is not in the registry.

    • register

      public static UUID register(EvaluationStrategy strategy)
      Deprecated, for removal: This API element is subject to removal in a future version.
      Add a strategy to the registry and returns the registry key. If the strategy is already present, the operation simply returns the key with which it is currently registered.
      Parameters:
      strategy - the EvaluationStrategy to register
      Returns:
      the key with which the strategy is registered.