org.eclipse.rdf4j.model

Interface Statement

All Superinterfaces:

Serializable

All Known Subinterfaces:

ExtensibleStatement

All Known Implementing Classes:

AbstractStatement, ContextStatement, ContextStatementImpl, ExtensibleContextStatement, ExtensibleStatementImpl, LinkedHashModel.ModelStatement, MemStatement, SimpleStatement, StatementImpl, UnboundStatement

public interface Statement
extends Serializable

An RDF statement, with optional associated context. A statement can have an associated context in specific cases, for example when fetched from a repository.

Additional utility functionality for working with Statement objects is available in the org.eclipse.rdf4j.model.util.Statements utility class.

Method Summary

Modifier and Type	Method and Description
boolean	equals(Object other) Compares this statement to another object.
Resource	getContext() Gets the context of this statement.
Value	getObject() Gets the object of this statement.
IRI	getPredicate() Gets the predicate of this statement.
Resource	getSubject() Gets the subject of this statement.
int	hashCode() Computes the hash code of this statement.

Method Detail

getSubject

Resource getSubject()

Gets the subject of this statement.

Returns:

The statement's subject.

getPredicate

IRI getPredicate()

Gets the predicate of this statement.

Returns:

The statement's predicate.

getObject

Value getObject()

Gets the object of this statement.

Returns:

The statement's object.

getContext

Resource getContext()

Gets the context of this statement.

Returns:

The statement's context, or null in case of the null context or if not applicable.

equals

boolean equals(Object other)

Compares this statement to another object.

Overrides:

equals in class Object

Parameters:

other - the object to compare this statement to

Returns:

true if the other object is an instance of Statement and if their subjects, predicates, objects and contexts are equal; false otherwise

hashCode

int hashCode()

Computes the hash code of this statement.

Overrides:

hashCode in class Object

Returns:

a hash code for this statement computed as Objects.hash( getSubject(), getPredicate(), getObject(), getContext())