Package org.aksw.rml.jena.impl

Class RmlWorkloadOptimizer

java.lang.Object

org.aksw.rml.jena.impl.RmlWorkloadOptimizer

public class RmlWorkloadOptimizer
extends Object

Field Summary

Fields

Modifier and Type	Field	Description
protected boolean	clusterByPredicate
protected boolean	noGroup
protected boolean	noOrder
protected boolean	preDistinct	Experimental; apply distinct to each union member; in addition to applying distinct over the whole the union.
protected org.aksw.jena_sparql_api.rx.script.SparqlScriptProcessor	sparqlScriptProcessor
protected boolean	verbose

Constructor Summary

Constructors

Modifier	Constructor	Description
protected	RmlWorkloadOptimizer()

Method Summary

Modifier and Type	Method	Description
RmlWorkloadOptimizer	addSourceFile(String file)
RmlWorkloadOptimizer	addSourceFiles(List<String> files)
RmlWorkloadOptimizer	addSparql(Collection<org.apache.jena.query.Query> queries)
RmlWorkloadOptimizer	addSparql(org.aksw.jenax.stmt.core.SparqlStmt stmt)
RmlWorkloadOptimizer	addSparql(org.apache.jena.query.Query query)
static <K extends Comparable<K>, V> List<List<Map.Entry<org.apache.jena.atlas.lib.tuple.Tuple<com.google.common.collect.Range<K>>,V>>>	clusterRangeTuplesByComponent(Collection<Map.Entry<org.apache.jena.atlas.lib.tuple.Tuple<com.google.common.collect.Range<K>>,V>> items, int componentIdx)
static <K extends Comparable<K>, V> List<List<Map.Entry<org.apache.jena.atlas.lib.tuple.Tuple<com.google.common.collect.Range<K>>,V>>>	clusterRangeTuplesByComponent(List<Map.Entry<org.apache.jena.atlas.lib.tuple.Tuple<com.google.common.collect.Range<K>>,V>> items, int[] order)
static org.apache.jena.query.Query	createUnionQuery(List<org.apache.jena.sparql.syntax.Element> members, org.apache.jena.sparql.core.Quad quadVars, boolean distinct)
static org.apache.jena.query.Query	finalizeQuery(org.apache.jena.sparql.core.Quad quadVars, List<org.apache.jena.query.Query> newQueries, org.apache.jena.sparql.core.Quad sortVars)
boolean	isClusterByPredicate()
boolean	isNoGroup()
boolean	isNoOrder()
boolean	isPreDistinct()
boolean	isVerbose()
static org.apache.jena.query.Query	mergeConstructQueriesIntoUnion(org.apache.jena.sparql.core.Quad quadVars, Collection<org.apache.jena.query.Query> queries, org.apache.jena.sparql.core.Quad sortVars, boolean preDistinct)
static RmlWorkloadOptimizer	newInstance()
List<org.apache.jena.query.Query>	process()
RmlWorkloadOptimizer	setClusterByPredicate(boolean clusterByPredicate)
RmlWorkloadOptimizer	setNoGroup(boolean noGroup)
RmlWorkloadOptimizer	setNoOrder(boolean noOrder)
RmlWorkloadOptimizer	setPreDistinct(boolean preDistinct)
RmlWorkloadOptimizer	setVerbose(boolean verbose)

Methods inherited from class java.lang.Object

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

Field Details

sparqlScriptProcessor

protected org.aksw.jena_sparql_api.rx.script.SparqlScriptProcessor sparqlScriptProcessor

clusterByPredicate

protected boolean clusterByPredicate

noOrder

protected boolean noOrder

noGroup

protected boolean noGroup

verbose

protected boolean verbose

preDistinct

protected boolean preDistinct

Experimental; apply distinct to each union member; in addition to applying distinct over the whole the union.

Constructor Details

RmlWorkloadOptimizer

protected RmlWorkloadOptimizer()

Method Details

newInstance

public static RmlWorkloadOptimizer newInstance()

isClusterByPredicate

public boolean isClusterByPredicate()

setClusterByPredicate

public RmlWorkloadOptimizer setClusterByPredicate(boolean clusterByPredicate)

isNoOrder

public boolean isNoOrder()

setNoOrder

public RmlWorkloadOptimizer setNoOrder(boolean noOrder)

isNoGroup

public boolean isNoGroup()

setNoGroup

public RmlWorkloadOptimizer setNoGroup(boolean noGroup)

isVerbose

public boolean isVerbose()

setVerbose

public RmlWorkloadOptimizer setVerbose(boolean verbose)

isPreDistinct

public boolean isPreDistinct()

setPreDistinct

public RmlWorkloadOptimizer setPreDistinct(boolean preDistinct)

addSourceFiles

public RmlWorkloadOptimizer addSourceFiles(List<String> files)

addSourceFile

public RmlWorkloadOptimizer addSourceFile(String file)

addSparql

public RmlWorkloadOptimizer addSparql(org.apache.jena.query.Query query)

addSparql

public RmlWorkloadOptimizer addSparql(Collection<org.apache.jena.query.Query> queries)

addSparql

public RmlWorkloadOptimizer addSparql(org.aksw.jenax.stmt.core.SparqlStmt stmt)

clusterRangeTuplesByComponent

public static <K extends Comparable<K>,
V>
List<List<Map.Entry<org.apache.jena.atlas.lib.tuple.Tuple<com.google.common.collect.Range<K>>,V>>> clusterRangeTuplesByComponent(List<Map.Entry<org.apache.jena.atlas.lib.tuple.Tuple<com.google.common.collect.Range<K>>,V>> items,
 int[] order)

clusterRangeTuplesByComponent

public static <K extends Comparable<K>,
V>
List<List<Map.Entry<org.apache.jena.atlas.lib.tuple.Tuple<com.google.common.collect.Range<K>>,V>>> clusterRangeTuplesByComponent(Collection<Map.Entry<org.apache.jena.atlas.lib.tuple.Tuple<com.google.common.collect.Range<K>>,V>> items,
 int componentIdx)

process

public List<org.apache.jena.query.Query> process()

finalizeQuery

public static org.apache.jena.query.Query finalizeQuery(org.apache.jena.sparql.core.Quad quadVars,
 List<org.apache.jena.query.Query> newQueries,
 org.apache.jena.sparql.core.Quad sortVars)

mergeConstructQueriesIntoUnion

public static org.apache.jena.query.Query mergeConstructQueriesIntoUnion(org.apache.jena.sparql.core.Quad quadVars,
 Collection<org.apache.jena.query.Query> queries,
 org.apache.jena.sparql.core.Quad sortVars,
 boolean preDistinct)

createUnionQuery

public static org.apache.jena.query.Query createUnionQuery(List<org.apache.jena.sparql.syntax.Element> members,
 org.apache.jena.sparql.core.Quad quadVars,
 boolean distinct)