public class AGValueFactory extends ValueFactoryImpl
Modifier and Type | Field and Description |
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String |
PREFIX_FOR_EXTERNAL_BNODES |
Constructor and Description |
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AGValueFactory(AGRepository repository) |
AGValueFactory(AGRepository repository,
AGRepositoryConnection conn) |
Modifier and Type | Method and Description |
---|---|
Resource |
asResource(Node node) |
URI |
asURI(Node node) |
Value |
asValue(Node node)
Creates an OpenRDF Value from a concrete Jena Node.
|
BNode |
createBNode()
Returns a new blank node.
|
BNode |
createBNode(String nodeID)
Returns a new blank node with the given id.
|
URI |
generateURI(String registeredEncodableNamespace)
Returns a unique URI within the specified encodable namespace.
|
URI[] |
generateURIs(String namespace,
int amount)
Returns unique URIs within the specified encodable namespace.
|
String[] |
getBlankNodeIds()
Returns the array of fetched blank node ids
Primarily for testing purposes, not for use in apps.
|
int |
getBlankNodesPerRequest()
Gets the number of blank nodes fetched per request.
|
AGHTTPClient |
getHTTPClient() |
AGRepository |
getRepository() |
boolean |
isAGBlankNodeId(String id)
Returns true iff id looks like an AG blank node id.
|
boolean |
isURIForExternalBlankNode(Value v) |
void |
setBlankNodesPerRequest(int amount)
Sets the number of blank nodes to fetch per request.
|
createLiteral, createLiteral, createLiteral, createStatement, createStatement, createURI, createURI, getInstance
createLiteral, createLiteral, createLiteral, createLiteral, createLiteral, createLiteral, createLiteral, createLiteral, createLiteral
public String PREFIX_FOR_EXTERNAL_BNODES
public AGValueFactory(AGRepository repository)
public AGValueFactory(AGRepository repository, AGRepositoryConnection conn)
public AGRepository getRepository()
public AGHTTPClient getHTTPClient()
public void setBlankNodesPerRequest(int amount)
This can be used to control the number and frequency of HTTP requests made when automatically obtaining new sets of blank node ids from the server.
Defaults to the value of System property com.franz.agraph.repository.blankNodesPerRequest or to 100 if that property has not been set.
amount
- a positive integerpublic int getBlankNodesPerRequest()
public String[] getBlankNodeIds()
public BNode createBNode(String nodeID)
createBNode
in interface ValueFactory
createBNode
in class ValueFactoryImpl
AGHttpRepoClient.setAllowExternalBlankNodeIds(boolean)
,
AGRepositoryConnection.getHttpRepoClient()
public BNode createBNode()
createBNode
in interface ValueFactory
createBNode
in class ValueFactoryBase
AGHttpRepoClient.setAllowExternalBlankNodeIds(boolean)
,
AGRepositoryConnection.getHttpRepoClient()
public Value asValue(Node node)
node
- a concrete Jena nodepublic boolean isAGBlankNodeId(String id)
id
- the string to be testedpublic boolean isURIForExternalBlankNode(Value v)
public URI[] generateURIs(String namespace, int amount) throws RepositoryException
The generated URIs will conform to the format that was specified when the encodable namespace was registered, and are guaranteed to be unique for this namespace generator. Note that this does not prevent other parties from independently using URIs that involve this namespace, however.
If amount cannot be generated, up to amount URIs will be returned, or an exception will be thrown if none are available.
namespace
- encodable namespace from which the URIs will be generatedamount
- the number of URIs to generateRepositoryException
- if there is an error with this requestAGRepositoryConnection.registerEncodableNamespace(String, String)
,
generateURI(String)
public URI generateURI(String registeredEncodableNamespace) throws RepositoryException
The generated URI will conform to the format that was specified when the encodable namespace was registered, and is guaranteed to be unique for this namespace generator. Note that this does not prevent other parties from independently using URIs that involve this namespace, however.
registeredEncodableNamespace
- encodable namespace from which the URI will be generatedRepositoryException
- if there is an error with this requestAGRepositoryConnection.registerEncodableNamespace(String, String)
,
generateURIs(String, int)
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