GraphFactory (Apache Jena ARQ)

java.lang.Object

org.apache.jena.sparql.graph.GraphFactory

public class GraphFactory extends Object

Ways to make graphs and models

Constructor Summary

Constructors

Constructor

Description

GraphFactory()
Method Summary

Modifier and Type

Method

Description

static Graph

createDefaultGraph()

Create a graph - ARQ-wide default type

static Graph

createGraphMem()

Create a graph that is a Jena memory graph

static Graph

createJenaDefaultGraph()

Create a graph - always the Jena default graph type

static Graph

createPlainGraph()

Graph that uses same-term for find() and contains().

static GraphTxn

createTxnGraph()

Create an in-memory, transactional graph.

static Model

makeDefaultModel()

Create a model over a default graph (ARQ-wide for default graph type)

static Model

makeJenaDefaultModel()

Guaranteed call-through to Jena's ModelFactory operation

static Model

makePlainModel()

Create a model over a plain graph (small-scale use only)

static Graph

sinkGraph()

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

Constructor Details
- GraphFactory
  
  public GraphFactory()
Method Details
- createGraphMem
  
  public static Graph createGraphMem()
  
  Create a graph that is a Jena memory graph
  See Also:
  
  createDefaultGraph()
- createTxnGraph
  
  public static GraphTxn createTxnGraph()
  
  Create an in-memory, transactional graph.
  This fully supports transactions, including abort to roll-back changes. It provides "autocommit" if operations are performed outside a transaction. The implementation adds a begin/commit around each add or delete so overheads can accumulate).
- createDefaultGraph
  
  public static Graph createDefaultGraph()
  
  Create a graph - ARQ-wide default type
- createJenaDefaultGraph
  
  public static Graph createJenaDefaultGraph()
  
  Create a graph - always the Jena default graph type
- createPlainGraph
  
  public static Graph createPlainGraph()
  
  Graph that uses same-term for find() and contains().
- sinkGraph
  
  public static Graph sinkGraph()
- makeJenaDefaultModel
  
  public static Model makeJenaDefaultModel()
  
  Guaranteed call-through to Jena's ModelFactory operation
- makeDefaultModel
  
  public static Model makeDefaultModel()
  
  Create a model over a default graph (ARQ-wide for default graph type)
- makePlainModel
  
  public static Model makePlainModel()
  
  Create a model over a plain graph (small-scale use only)