org.eclipse.rdf4j.query.algebra.evaluation.impl

## Class TupleFunctionEvaluationStrategy

- java.lang.Object
- - org.eclipse.rdf4j.query.algebra.evaluation.impl.StrictEvaluationStrategy
  - - org.eclipse.rdf4j.query.algebra.evaluation.impl.TupleFunctionEvaluationStrategy

- All Implemented Interfaces:
    EvaluationStrategy, FederatedServiceResolver, FederatedServiceResolverClient, UUIDable
  Direct Known Subclasses:
    ExtendedEvaluationStrategy

      public class TupleFunctionEvaluationStrategy
      extends StrictEvaluationStrategy

  An `EvaluationStrategy` that has support for `TupleFunction`s.

- - ### Field Summary

    - ### Fields inherited from class org.eclipse.rdf4j.query.algebra.evaluation.impl.StrictEvaluationStrategy

      `dataset, serviceResolver, tripleSource`

  - ### Constructor Summary

    Constructors
    Constructor and Description
    `TupleFunctionEvaluationStrategy(TripleSource tripleSource, Dataset dataset, FederatedServiceResolver serviceResolver)`
    `TupleFunctionEvaluationStrategy(TripleSource tripleSource, Dataset dataset, FederatedServiceResolver serviceResolver, long iterationCacheSyncThreshold)`
    `TupleFunctionEvaluationStrategy(TripleSource tripleSource, Dataset dataset, FederatedServiceResolver serviceResolver, long iterationCacheSyncThreshold, EvaluationStatistics evaluationStatistics)`
    `TupleFunctionEvaluationStrategy(TripleSource tripleSource, Dataset dataset, FederatedServiceResolver serviceResolver, TupleFunctionRegistry tupleFunctionRegistry)`
    `TupleFunctionEvaluationStrategy(TripleSource tripleSource, Dataset dataset, FederatedServiceResolver serviceResolver, TupleFunctionRegistry tupleFuncRegistry, long iterationCacheSyncThreshold, EvaluationStatistics evaluationStatistics)`

  - ### Method Summary

    All Methods Static Methods Instance Methods Concrete Methods
    Modifier and Type | Method and Description
    --- | ---
    `CloseableIteration<BindingSet,QueryEvaluationException>` | `evaluate(TupleExpr expr, BindingSet bindings)` Evaluates the tuple expression against the supplied triple source with the specified set of variable bindings as input.
    `CloseableIteration<BindingSet,QueryEvaluationException>` | `evaluate(TupleFunctionCall expr, BindingSet bindings)`
    `static CloseableIteration<BindingSet,QueryEvaluationException>` | `evaluate(TupleFunction func, List<Var> resultVars, BindingSet bindings, ValueFactory valueFactory, Value... argValues)`

    - ### Methods inherited from class org.eclipse.rdf4j.query.algebra.evaluation.impl.StrictEvaluationStrategy

      `evaluate, evaluate, evaluate, evaluate, evaluate, evaluate, evaluate, evaluate, evaluate, evaluate, evaluate, evaluate, evaluate, evaluate, evaluate, evaluate, evaluate, evaluate, evaluate, evaluate, evaluate, evaluate, evaluate, evaluate, evaluate, evaluate, evaluate, evaluate, evaluate, evaluate, evaluate, evaluate, evaluate, evaluate, evaluate, evaluate, evaluate, evaluate, evaluate, evaluate, evaluate, evaluate, evaluate, evaluate, evaluate, evaluate, evaluate, evaluate, evaluate, evaluate, evaluate, evaluate, evaluate, evaluate, evaluate, evaluate, evaluate, evaluate, evaluate, evaluate, evaluate, evaluate, evaluate, getLimit, getService, getUUID, getVarValue, getZeroLengthPathIterator, isReducedOrDistinct, isTrue, isUnbound, optimize, setFederatedServiceResolver, setOptimizerPipeline, setTrackResultSize, setTrackTime`

    - ### Methods inherited from class java.lang.Object

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

- - ### Constructor Detail

    - #### TupleFunctionEvaluationStrategy

          public TupleFunctionEvaluationStrategy(TripleSource tripleSource,
                                                 Dataset dataset,
                                                 FederatedServiceResolver serviceResolver)

    - #### TupleFunctionEvaluationStrategy

          public TupleFunctionEvaluationStrategy(TripleSource tripleSource,
                                                 Dataset dataset,
                                                 FederatedServiceResolver serviceResolver,
                                                 long iterationCacheSyncThreshold)

    - #### TupleFunctionEvaluationStrategy

          public TupleFunctionEvaluationStrategy(TripleSource tripleSource,
                                                 Dataset dataset,
                                                 FederatedServiceResolver serviceResolver,
                                                 TupleFunctionRegistry tupleFunctionRegistry)

    - #### TupleFunctionEvaluationStrategy

          public TupleFunctionEvaluationStrategy(TripleSource tripleSource,
                                                 Dataset dataset,
                                                 FederatedServiceResolver serviceResolver,
                                                 TupleFunctionRegistry tupleFuncRegistry,
                                                 long iterationCacheSyncThreshold,
                                                 EvaluationStatistics evaluationStatistics)

    - #### TupleFunctionEvaluationStrategy

          public TupleFunctionEvaluationStrategy(TripleSource tripleSource,
                                                 Dataset dataset,
                                                 FederatedServiceResolver serviceResolver,
                                                 long iterationCacheSyncThreshold,
                                                 EvaluationStatistics evaluationStatistics)

  - ### Method Detail

    - #### evaluate

          public CloseableIteration<BindingSet,QueryEvaluationException> evaluate(TupleExpr expr,
                                                                                  BindingSet bindings)
                                                                           throws QueryEvaluationException

      Description copied from interface: `EvaluationStrategy`
      Evaluates the tuple expression against the supplied triple source with the specified set of variable bindings as input.
      Specified by:
        `evaluate` in interface `EvaluationStrategy`
      Overrides:
        `evaluate` in class `StrictEvaluationStrategy`
      Parameters:
        `expr` - The Tuple Expression to evaluate
        `bindings` - The variables bindings to use for evaluating the expression, if applicable.
      Returns:
        A closeable iterator over the variable binding sets that match the tuple expression.
      Throws:
        `QueryEvaluationException`

    - #### evaluate

          public CloseableIteration<BindingSet,QueryEvaluationException> evaluate(TupleFunctionCall expr,
                                                                                  BindingSet bindings)
                                                                           throws QueryEvaluationException

      Throws:
        `QueryEvaluationException`

    - #### evaluate

          public static CloseableIteration<BindingSet,QueryEvaluationException> evaluate(TupleFunction func,
                                                                                         List<Var> resultVars,
                                                                                         BindingSet bindings,
                                                                                         ValueFactory valueFactory,
                                                                                         Value... argValues)
                                                                                  throws QueryEvaluationException

      Throws:
        `QueryEvaluationException`

Copyright © 2015-2020 Eclipse Foundation. All Rights Reserved.