Package org.eclipse.rdf4j.federated.evaluation.iterator
package org.eclipse.rdf4j.federated.evaluation.iterator
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ClassesClassDescriptionA
LookAheadIterationfor processing bind left join results (i.e., result of joining OPTIONAL clauses) Algorithm: execute left bind join using regular bound join query process result iteration similar toBoundJoinVALUESConversionIterationremember seen set of bindings (using index) and add original bindings to those, i.e.Inserts original bindings into the result.Inserts original bindings into the result.A wrapping iteration that attempts to close the dependentRepositoryConnectionafter consumption.A specializedCloseableIterationthat consumes part (or the entire input iteration if it fits into the buffer) and keeps data for further processing in memory.SpecializedDescribeIterationfor evaluation of DESCRIBE queries in the federation.A specialized BingingSet that can only hold the start and end values of a Path.An iteration to evaluatedFedXZeroLengthPathFilters iteration according to specified filterExpr and inserts original bindings into filtered results.Filters iteration according to specified filterExpr.Converts graph results into a binding set iterationRetrieves the original bindings for the particular resultInserts original bindings into the result.Inserts original bindings into the result.Inserts original bindings into the result.Inserts original bindings into the result.A specializedCloseableIterationthat allows repetitive iterations after resetting the cursor usingLazyMutableClosableIteration.resetCursor().Print the bindings of the inner iteration to stdout, however maintain a copy, which is accessible through this iteration.An iteration which wraps the final result and in case of exceptions aborts query evaluation for the corresponding query in fedx (potentially subqueries are still running, and jobs are scheduled).Represents an iteration that contains only a single binding set.Converts Statement iteration (i.e.A wrapping iteration that attempts to close all running scheduledFutures for the given query evaluation.