Class StatementMatcher

java.lang.Object

org.eclipse.rdf4j.sail.shacl.ast.StatementMatcher

public class StatementMatcher
extends Object

Nested Class Summary

Nested Classes

Modifier and Type	Class	Description
static class	StatementMatcher.StableRandomVariableProvider
static class	StatementMatcher.Variable<T extends Value>

Field Summary

Fields

Modifier and Type	Field	Description
private Set<String>	inheritedVarNames
private static final StatementMatcher.Variable<Value>	NULL_OBJECT
private static final StatementMatcher.Variable<IRI>	NULL_PREDICATE
private static final StatementMatcher.Variable<Resource>	NULL_SUBJECT
private final StatementMatcher.Variable<? extends Value>	object
private final Targetable	origin
private final StatementMatcher.Variable<IRI>	predicate
private final StatementMatcher.Variable<? extends Resource>	subject
private List<StatementMatcher>	subset

Constructor Summary

Constructors

Constructor	Description
StatementMatcher(StatementMatcher.Variable<? extends Resource> subject, StatementMatcher.Variable<IRI> predicate, StatementMatcher.Variable<? extends Value> object, Targetable origin, Set<String> inheritedVarNames)

Method Summary

Modifier and Type	Method	Description
private void	addSubset(StatementMatcher s)
private static Set<String>	calculateVarNames(StatementMatcher.Variable<?> subject, StatementMatcher.Variable<?> predicate, StatementMatcher.Variable<?> object)
boolean	covers(StatementMatcher s)
private static boolean	covers(StatementMatcher.Variable<?> bigger, StatementMatcher.Variable<?> smaller)
boolean	equals(Object o)
private static String	formatForToString(String field, String name, Value value)
Set<String>	getInheritedVarNames()
String	getObjectBasename()
String	getObjectName()
Value	getObjectValue()
Targetable	getOrigin()
String	getPredicateBasename()
String	getPredicateName()
IRI	getPredicateValue()
String	getSparqlValuesDecl(Set<String> varNamesRestriction, boolean addInheritedVarNames, Set<String> varNamesInQueryFragment)
String	getSubjectBasename()
String	getSubjectName()
Resource	getSubjectValue()
Set<String>	getVarNames()
LinkedHashSet<String>	getVarNames(Set<String> varNamesRestriction, boolean addInheritedVarNames, Set<String> varNamesInQueryFragment)
int	hashCode()
boolean	hasObject(StatementMatcher.Variable<Value> variable)
boolean	hasSubject(StatementMatcher.Variable<Resource> variable)
boolean	hasSubset(StatementMatcher currentStatementMatcher)
boolean	objectIsWildcard()
boolean	predicateIsWildcard()
static List<StatementMatcher>	reduce(List<StatementMatcher> statementMatchers)
private void	replaceVariableName(String original, String replacement)
boolean	subjectIsWildcard()
static List<StatementMatcher>	swap(List<StatementMatcher> statementMatchers, StatementMatcher.Variable<?> existingVariable, StatementMatcher.Variable<?> newVariable)
private StatementMatcher	swap(StatementMatcher.Variable<?> existingVariable, StatementMatcher.Variable<?> newVariable)
String	toString()

Methods inherited from class Object

clone, finalize, getClass, notify, notifyAll, wait, wait, wait

Field Details

subject

private final StatementMatcher.Variable<? extends Resource> subject

predicate

private final StatementMatcher.Variable<IRI> predicate

object

private final StatementMatcher.Variable<? extends Value> object

origin

private final Targetable origin

inheritedVarNames

private Set<String> inheritedVarNames

subset

private List<StatementMatcher> subset

NULL_SUBJECT

private static final StatementMatcher.Variable<Resource> NULL_SUBJECT

NULL_PREDICATE

private static final StatementMatcher.Variable<IRI> NULL_PREDICATE

NULL_OBJECT

private static final StatementMatcher.Variable<Value> NULL_OBJECT

Constructor Details

StatementMatcher

public StatementMatcher(StatementMatcher.Variable<? extends Resource> subject,
 StatementMatcher.Variable<IRI> predicate,
 StatementMatcher.Variable<? extends Value> object,
 Targetable origin,
 Set<String> inheritedVarNames)

Method Details

calculateVarNames

private static Set<String> calculateVarNames(StatementMatcher.Variable<?> subject,
 StatementMatcher.Variable<?> predicate,
 StatementMatcher.Variable<?> object)

reduce

public static List<StatementMatcher> reduce(List<StatementMatcher> statementMatchers)

addSubset

private void addSubset(StatementMatcher s)

swap

public static List<StatementMatcher> swap(List<StatementMatcher> statementMatchers,
 StatementMatcher.Variable<?> existingVariable,
 StatementMatcher.Variable<?> newVariable)

formatForToString

private static String formatForToString(String field,
 String name,
 Value value)

swap

private StatementMatcher swap(StatementMatcher.Variable<?> existingVariable,
 StatementMatcher.Variable<?> newVariable)

covers

public boolean covers(StatementMatcher s)

covers

private static boolean covers(StatementMatcher.Variable<?> bigger,
 StatementMatcher.Variable<?> smaller)

getSubjectName

public String getSubjectName()

getSubjectBasename

public String getSubjectBasename()

getSubjectValue

public Resource getSubjectValue()

subjectIsWildcard

public boolean subjectIsWildcard()

getPredicateName

public String getPredicateName()

getPredicateBasename

public String getPredicateBasename()

getPredicateValue

public IRI getPredicateValue()

predicateIsWildcard

public boolean predicateIsWildcard()

getObjectName

public String getObjectName()

getObjectBasename

public String getObjectBasename()

getObjectValue

public Value getObjectValue()

objectIsWildcard

public boolean objectIsWildcard()

equals

public boolean equals(Object o)

Overrides:

equals in class Object

hashCode

public int hashCode()

Overrides:

hashCode in class Object

getSparqlValuesDecl

public String getSparqlValuesDecl(Set<String> varNamesRestriction,
 boolean addInheritedVarNames,
 Set<String> varNamesInQueryFragment)

getVarNames

public LinkedHashSet<String> getVarNames(Set<String> varNamesRestriction,
 boolean addInheritedVarNames,
 Set<String> varNamesInQueryFragment)

toString

public String toString()

Overrides:

toString in class Object

hasSubset

public boolean hasSubset(StatementMatcher currentStatementMatcher)

getOrigin

public Targetable getOrigin()

hasSubject

public boolean hasSubject(StatementMatcher.Variable<Resource> variable)

hasObject

public boolean hasObject(StatementMatcher.Variable<Value> variable)

getInheritedVarNames

public Set<String> getInheritedVarNames()

getVarNames

public Set<String> getVarNames()

replaceVariableName

private void replaceVariableName(String original,
 String replacement)