edu.cornell.mannlib.vitro.webapp.ontology.update

Class KnowledgeBaseUpdater

java.lang.Object

edu.cornell.mannlib.vitro.webapp.ontology.update.KnowledgeBaseUpdater

public class KnowledgeBaseUpdater
extends Object

Performs knowledge base updates necessary to align with a new ontology version.

Constructor Summary

Constructors

Constructor and Description
KnowledgeBaseUpdater(UpdateSettings settings)

Method Summary

Modifier and Type	Method and Description
static boolean	isUpdatableABoxGraph(String graphName)
static String	loadSparqlQuery(String filePath) loads a SPARQL ASK query from a text file
boolean	update(javax.servlet.ServletContext servletContext)
boolean	updateRequired(javax.servlet.ServletContext servletContext) Executes a SPARQL ASK query to determine whether the knowledge base needs to be updated to conform to a new ontology version

Methods inherited from class java.lang.Object

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

Constructor Detail

KnowledgeBaseUpdater

public KnowledgeBaseUpdater(UpdateSettings settings)

Method Detail

update

public boolean update(javax.servlet.ServletContext servletContext)
               throws IOException

Throws:

IOException

updateRequired

public boolean updateRequired(javax.servlet.ServletContext servletContext)
                       throws IOException

Executes a SPARQL ASK query to determine whether the knowledge base needs to be updated to conform to a new ontology version

Throws:

IOException

loadSparqlQuery

public static String loadSparqlQuery(String filePath)
                              throws IOException

loads a SPARQL ASK query from a text file

Parameters:

filePath - Path of a file

Returns:

the query string or null if file not found

Throws:

IOException

isUpdatableABoxGraph

public static boolean isUpdatableABoxGraph(String graphName)