Package org.aksw.jenax.dataaccess.sparql.polyfill.datasource

Class RdfDataSourceWithSimpleCache.QueryExecWithSimpleCache

java.lang.Object

org.aksw.commons.util.closeable.AutoCloseableBase

org.aksw.commons.util.closeable.AutoCloseableWithLeakDetectionBase

org.aksw.jenax.dataaccess.sparql.polyfill.datasource.RdfDataSourceWithSimpleCache.QueryExecWithSimpleCache

All Implemented Interfaces:

AutoCloseable, QueryExecBaseIterator, org.apache.jena.sparql.exec.QueryExec

Enclosing class:

RdfDataSourceWithSimpleCache

public static class RdfDataSourceWithSimpleCache.QueryExecWithSimpleCache
extends org.aksw.commons.util.closeable.AutoCloseableWithLeakDetectionBase
implements QueryExecBaseIterator

Field Summary

Fields

Modifier and Type	Field	Description
protected org.apache.jena.sparql.exec.QueryExec	activeExec
protected com.github.benmanes.caffeine.cache.Cache<Object,Object>	cache
protected Object	cacheKey
protected boolean	isCancelled
protected Supplier<org.apache.jena.sparql.exec.QueryExec>	queryExecSupplier

Fields inherited from class org.aksw.commons.util.closeable.AutoCloseableWithLeakDetectionBase

instantiationStackTrace

Fields inherited from class org.aksw.commons.util.closeable.AutoCloseableBase

closeStackTrace, enableCloseStackTrace, isClosed

Constructor Summary

Constructors

Constructor	Description
QueryExecWithSimpleCache(Supplier<org.apache.jena.sparql.exec.QueryExec> queryExecSupplier, com.github.benmanes.caffeine.cache.Cache<Object,Object> cache, Object cacheKey)

Method Summary

Modifier and Type	Method	Description
void	abort()
boolean	ask()
protected org.apache.jena.sparql.exec.QueryExec	buildExec()
Iterator<org.apache.jena.sparql.core.Quad>	constructQuads()
Iterator<org.apache.jena.graph.Triple>	constructTriples()
Iterator<org.apache.jena.graph.Triple>	describeTriples()
Iterator<org.apache.jena.atlas.json.JsonObject>	execJsonItems()
protected <T> T	get(String category, Function<org.apache.jena.sparql.exec.QueryExec,T> queryExecAccessor)
com.github.benmanes.caffeine.cache.Cache<Object,Object>	getCache()
Object	getCacheKey()
org.apache.jena.sparql.util.Context	getContext()
org.apache.jena.sparql.core.DatasetGraph	getDataset()
org.apache.jena.query.Query	getQuery()
String	getQueryString()
boolean	isClosed()
org.apache.jena.sparql.exec.RowSet	select()

Methods inherited from class org.aksw.commons.util.closeable.AutoCloseableWithLeakDetectionBase

finalize, getInstantiationStackTrace

Methods inherited from class org.aksw.commons.util.closeable.AutoCloseableBase

close, closeActual, ensureOpen, throwClosedException

Methods inherited from class java.lang.Object

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

Methods inherited from interface org.apache.jena.sparql.exec.QueryExec

close

Methods inherited from interface org.aksw.jenax.dataaccess.sparql.exec.query.QueryExecBaseIterator

construct, construct, constructDataset, constructDataset, describe, describe, execJson

Field Details

queryExecSupplier

protected Supplier<org.apache.jena.sparql.exec.QueryExec> queryExecSupplier

cache

protected com.github.benmanes.caffeine.cache.Cache<Object,Object> cache

cacheKey

protected Object cacheKey

activeExec

protected volatile org.apache.jena.sparql.exec.QueryExec activeExec

isCancelled

protected volatile boolean isCancelled

Constructor Details

QueryExecWithSimpleCache

public QueryExecWithSimpleCache(Supplier<org.apache.jena.sparql.exec.QueryExec> queryExecSupplier,
 com.github.benmanes.caffeine.cache.Cache<Object,Object> cache,
 Object cacheKey)

Method Details

abort

public void abort()

Specified by:

abort in interface org.apache.jena.sparql.exec.QueryExec

buildExec

protected org.apache.jena.sparql.exec.QueryExec buildExec()

getCacheKey

public Object getCacheKey()

getCache

public com.github.benmanes.caffeine.cache.Cache<Object,Object> getCache()

get

protected <T> T get(String category,
 Function<org.apache.jena.sparql.exec.QueryExec,T> queryExecAccessor)

select

public org.apache.jena.sparql.exec.RowSet select()

Specified by:

select in interface org.apache.jena.sparql.exec.QueryExec

constructTriples

public Iterator<org.apache.jena.graph.Triple> constructTriples()

Specified by:

constructTriples in interface org.apache.jena.sparql.exec.QueryExec

describeTriples

public Iterator<org.apache.jena.graph.Triple> describeTriples()

Specified by:

describeTriples in interface org.apache.jena.sparql.exec.QueryExec

constructQuads

public Iterator<org.apache.jena.sparql.core.Quad> constructQuads()

Specified by:

constructQuads in interface org.apache.jena.sparql.exec.QueryExec

execJsonItems

public Iterator<org.apache.jena.atlas.json.JsonObject> execJsonItems()

Specified by:

execJsonItems in interface org.apache.jena.sparql.exec.QueryExec

ask

public boolean ask()

Specified by:

ask in interface org.apache.jena.sparql.exec.QueryExec

getDataset

public org.apache.jena.sparql.core.DatasetGraph getDataset()

Specified by:

getDataset in interface org.apache.jena.sparql.exec.QueryExec

getContext

public org.apache.jena.sparql.util.Context getContext()

Specified by:

getContext in interface org.apache.jena.sparql.exec.QueryExec

getQuery

public org.apache.jena.query.Query getQuery()

Specified by:

getQuery in interface org.apache.jena.sparql.exec.QueryExec

getQueryString

public String getQueryString()

Specified by:

getQueryString in interface org.apache.jena.sparql.exec.QueryExec

isClosed

public boolean isClosed()

Specified by:

isClosed in interface org.apache.jena.sparql.exec.QueryExec