org.apache.jena.sparql.core.DatasetGraphZero

All Implemented Interfaces:: org.apache.jena.atlas.lib.Closeable, DatasetGraph, Transactional

public class DatasetGraphZero extends DatasetGraphNull

An always empty DatasetGraph. One graph (the default graph) with zero triples. No changes allowed - this is not a sink.

This class of DatasetGraph does track transaction state.

It does have a mutable Context.

See Also:

Nested Class Summary

Nested classes/interfaces inherited from interface org.apache.jena.sparql.core.Transactional
Transactional.Promote
Method Summary

Modifier and Type

Method

Description

static DatasetGraph

create()

Invariant DatasetGraph; it does have transaction state so create new object here.

PrefixMap

prefixes()

Prefixes for this DatasetGraph

Methods inherited from class org.apache.jena.sparql.core.DatasetGraphNull
abort, add, addGraph, begin, begin, commit, delete, deleteAny, end, getDefaultGraph, getGraph, getUnionGraph, isInTransaction, listGraphNodes, promote, removeGraph, supportsTransactionAbort, supportsTransactions, transactionMode, transactionType

Methods inherited from class org.apache.jena.sparql.core.DatasetGraphBaseFind
find, findInUnionGraph, findNG, findQuadsInUnionGraph

Methods inherited from class org.apache.jena.sparql.core.DatasetGraphBase
add, clear, close, contains, contains, containsGraph, delete, deleteAny, find, find, getContext, getLock, isEmpty, size, toString

Methods inherited from class java.lang.Object
equals, getClass, hashCode, notify, notifyAll, wait, wait, wait

Methods inherited from interface org.apache.jena.sparql.core.DatasetGraph
addAll, stream, stream

Methods inherited from interface org.apache.jena.sparql.core.Transactional
begin, calc, calculate, calculateRead, calculateWrite, exec, execute, executeRead, executeWrite, promote

Class DatasetGraphZero

Nested Class Summary