Package org.aksw.jenax.dataaccess.sparql.link.query

Class LinkSparqlQueryTransformPaginate.QueryIterPaginated

java.lang.Object

org.apache.jena.sparql.util.PrintSerializableBase

org.apache.jena.sparql.engine.iterator.QueryIteratorBase

org.apache.jena.sparql.engine.iterator.QueryIter

org.aksw.jenax.arq.util.binding.QueryIterOverQueryIteratorSupplier<org.aksw.jenax.arq.util.binding.QueryIteratorCount>

org.aksw.jenax.dataaccess.sparql.link.query.LinkSparqlQueryTransformPaginate.QueryIterPaginated

All Implemented Interfaces:

Iterator<org.apache.jena.sparql.engine.binding.Binding>, org.apache.jena.atlas.io.Printable, org.apache.jena.atlas.iterator.IteratorCloseable<org.apache.jena.sparql.engine.binding.Binding>, org.apache.jena.atlas.lib.Closeable, org.apache.jena.sparql.engine.QueryIterator, org.apache.jena.sparql.util.PrintSerializable

Enclosing class:

LinkSparqlQueryTransformPaginate

public static class LinkSparqlQueryTransformPaginate.QueryIterPaginated
extends org.aksw.jenax.arq.util.binding.QueryIterOverQueryIteratorSupplier<org.aksw.jenax.arq.util.binding.QueryIteratorCount>

Field Summary

Fields

Modifier and Type	Field	Description
protected long	execId	The execution id only exists to make it more easy to relate log messages.
protected static final AtomicLong	idGenerator
protected org.apache.jena.query.Query	originalQuery
protected Supplier<org.apache.jena.sparql.exec.QueryExecBuilder>	queryExecBuilderSupplier
protected org.aksw.jenax.arq.util.exec.query.PaginationQueryIterator	queryIt

Fields inherited from class org.aksw.jenax.arq.util.binding.QueryIterOverQueryIteratorSupplier

currentIt, isFinished

Constructor Summary

Constructors

Constructor	Description
QueryIterPaginated(org.apache.jena.query.Query originalQuery, org.aksw.jenax.arq.util.exec.query.PaginationQueryIterator queryIt, Supplier<org.apache.jena.sparql.exec.QueryExecBuilder> queryExecBuilderSupplier)

Method Summary

Modifier and Type	Method	Description
protected void	closeIteratorActual()
protected org.aksw.jenax.arq.util.binding.QueryIteratorCount	nextQueryIterator()
static LinkSparqlQueryTransformPaginate.QueryIterPaginated	of(org.apache.jena.query.Query query, long pageSize, Supplier<org.apache.jena.sparql.exec.QueryExecBuilder> queryExecBuilderSupplier)

Methods inherited from class org.aksw.jenax.arq.util.binding.QueryIterOverQueryIteratorSupplier

closeIterator, hasNextBinding, moveToNextBinding, nextQueryIteratorInternal, requestCancel

Methods inherited from class org.apache.jena.sparql.engine.iterator.QueryIter

close, flatMap, getExecContext, getIteratorNumber, makeTracked, map, materialize, materialize, output, output

Methods inherited from class org.apache.jena.sparql.engine.iterator.QueryIteratorBase

cancel, hasNext, isFinished, next, nextBinding, performClose, performRequestCancel, remove

Methods inherited from class org.apache.jena.sparql.util.PrintSerializableBase

toString, toString

Methods inherited from class java.lang.Object

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

Methods inherited from interface java.util.Iterator

forEachRemaining

Methods inherited from interface org.apache.jena.sparql.util.PrintSerializable

toString

Methods inherited from interface org.apache.jena.sparql.engine.QueryIterator

isJoinIdentity

Field Details

idGenerator

protected static final AtomicLong idGenerator

originalQuery

protected org.apache.jena.query.Query originalQuery

queryIt

protected org.aksw.jenax.arq.util.exec.query.PaginationQueryIterator queryIt

queryExecBuilderSupplier

protected Supplier<org.apache.jena.sparql.exec.QueryExecBuilder> queryExecBuilderSupplier

execId

protected long execId

The execution id only exists to make it more easy to relate log messages. The id is initialized lazily upon invocation of nextQueryIterator().

Constructor Details

QueryIterPaginated

public QueryIterPaginated(org.apache.jena.query.Query originalQuery,
 org.aksw.jenax.arq.util.exec.query.PaginationQueryIterator queryIt,
 Supplier<org.apache.jena.sparql.exec.QueryExecBuilder> queryExecBuilderSupplier)

Method Details

nextQueryIterator

protected org.aksw.jenax.arq.util.binding.QueryIteratorCount nextQueryIterator()

Specified by:

nextQueryIterator in class org.aksw.jenax.arq.util.binding.QueryIterOverQueryIteratorSupplier<org.aksw.jenax.arq.util.binding.QueryIteratorCount>

closeIteratorActual

protected void closeIteratorActual()

Overrides:

closeIteratorActual in class org.aksw.jenax.arq.util.binding.QueryIterOverQueryIteratorSupplier<org.aksw.jenax.arq.util.binding.QueryIteratorCount>

of

public static LinkSparqlQueryTransformPaginate.QueryIterPaginated of(org.apache.jena.query.Query query,
 long pageSize,
 Supplier<org.apache.jena.sparql.exec.QueryExecBuilder> queryExecBuilderSupplier)