com.bigdata.blueprints

Class BigdataGraphFactory

java.lang.Object

com.bigdata.blueprints.BigdataGraphFactory

public class BigdataGraphFactory
extends Object

Helper class to create BigdataGraph instances.

Author:

mikepersonick

Constructor Summary

Constructors

Constructor and Description
BigdataGraphFactory()

Method Summary

Methods

Modifier and Type	Method and Description
static BigdataGraph	connect(String sparqlEndpointURL) Connect to a remote bigdata instance.
static BigdataGraph	connect(String host, int port) Deprecated. As of version 1.5.2, you should use one of the connect methods with a sparqlEndpointURL. See http://wiki.blazegraph.com/wiki/index.php/NanoSparqlServer#Active_URLs
static BigdataGraph	create() Create a new local in-memory bigdata instance.
static BigdataGraph	create(BlueprintsValueFactory vf) Create a new local in-memory bigdata instance with the supplied value factory.
static BigdataGraph	create(BlueprintsValueFactory vf, Properties props) Create a new local in-memory bigdata instance with the supplied value factory.
static BigdataGraph	create(String file) Create a persistent local bigdata instance.
static BigdataGraph	open(String file, boolean create) Open an existing persistent local bigdata instance.

Methods inherited from class java.lang.Object

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

Constructor Detail

BigdataGraphFactory

public BigdataGraphFactory()

Method Detail

connect

public static BigdataGraph connect(String host,
                   int port)

Deprecated. As of version 1.5.2, you should use one of the connect methods with a sparqlEndpointURL. See http://wiki.blazegraph.com/wiki/index.php/NanoSparqlServer#Active_URLs

Connect to a remote bigdata instance. FIXME This does not parameterize the value of the ContextPath. See BigdataStatics.getContextPath().

connect

public static BigdataGraph connect(String sparqlEndpointURL)

Connect to a remote bigdata instance.

Parameters:

sparqlEndpointURL - The URL of the SPARQL end point. This will be used to read and write on the graph using the blueprints API.

open

public static BigdataGraph open(String file,
                boolean create)
                         throws Exception

Open an existing persistent local bigdata instance. If a journal does not exist at the specified location and the boolean create flag is true a journal will be created at that location.

Throws:

Exception

create

public static BigdataGraph create(String file)
                           throws Exception

Create a persistent local bigdata instance. If a journal does not exist at the specified location, then a journal will be created at that location.

Throws:

Exception

create

public static BigdataGraph create()
                           throws Exception

Create a new local in-memory bigdata instance.

Throws:

Exception

create

public static BigdataGraph create(BlueprintsValueFactory vf)
                           throws Exception

Create a new local in-memory bigdata instance with the supplied value factory.

Throws:

Exception

create

public static BigdataGraph create(BlueprintsValueFactory vf,
                  Properties props)
                           throws Exception

Create a new local in-memory bigdata instance with the supplied value factory.

Throws:

Exception