Package com.stardog.stark

Class Statements

java.lang.Object

com.stardog.stark.Statements

public final class Statements
extends Object

Utilities for working with Statement.

Since:

1.0

Version:

1.0

Author:

Michael Grove

Field Summary

Fields

Modifier and Type	Field	Description
static BiFunction<Statement,Resource,Statement>	APPLY_CONTEXT

Constructor Summary

Constructors

Constructor	Description
Statements()	No instances

Method Summary

Modifier and Type	Method	Description
static Function<Statement,Statement>	applyContext(Resource theContext)
static Statement	applyContext(Statement stmt, Resource context)
static Predicate<Statement>	matches(Resource theSubject, IRI thePredicate, Value theObject, Resource... theContexts)	Provide a Predicate that can filter a graph based on which statements match the given SPOC pattern.

Methods inherited from class java.lang.Object

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

Field Details

APPLY_CONTEXT

public static BiFunction<Statement,Resource,Statement> APPLY_CONTEXT

Constructor Details

Statements

public Statements()

No instances

Method Details

matches

@Nonnull
public static Predicate<Statement> matches(@Nullable
 Resource theSubject,
 @Nullable
 IRI thePredicate,
 @Nullable
 Value theObject,
 @Nullable
 Resource... theContexts)

Provide a Predicate that can filter a graph based on which statements match the given SPOC pattern. All arguments accept `null` as a wildcard argument to indicate that the results _should not_ be filtered on that attribute.

Parameters:

theSubject - the subject to match

thePredicate - the predicate to match

theObject - the object to match

theContexts - the contexts to match

Returns:

a predicate can be used for matching

applyContext

public static Statement applyContext(@Nonnull
 Statement stmt,
 @Nonnull
 Resource context)

applyContext

public static Function<Statement,Statement> applyContext(@Nonnull
 Resource theContext)