ubic.basecode.ontology.jena

Class OntologyLoader

java.lang.Object

ubic.basecode.ontology.jena.OntologyLoader

public class OntologyLoader
extends Object

Reads ontologies from OWL resources

Author:

paul

Constructor Summary

Constructors

Constructor and Description
OntologyLoader()

Method Summary

Modifier and Type	Method and Description
static void	deleteOldCache(String cacheName)
static File	getDiskCachePath(String name) Obtain the path for the ontology cache.
static boolean	hasChanged(String cacheName)
static com.hp.hpl.jena.ontology.OntModel	loadMemoryModel(InputStream is, String url)
static com.hp.hpl.jena.ontology.OntModel	loadMemoryModel(InputStream is, String url, boolean processImports) Load an ontology into memory.
static com.hp.hpl.jena.ontology.OntModel	loadMemoryModel(InputStream is, String url, boolean processImports, com.hp.hpl.jena.ontology.OntModelSpec spec)
static com.hp.hpl.jena.ontology.OntModel	loadMemoryModel(String url) Load an ontology into memory.
static com.hp.hpl.jena.ontology.OntModel	loadMemoryModel(String url, String cacheName)
static com.hp.hpl.jena.ontology.OntModel	loadMemoryModel(String url, String cacheName, boolean processImports)
static com.hp.hpl.jena.ontology.OntModel	loadMemoryModel(String url, String cacheName, boolean processImports, com.hp.hpl.jena.ontology.OntModelSpec spec) Load an ontology into memory.
static URLConnection	openConnection(String url)

Methods inherited from class java.lang.Object

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

Constructor Detail

OntologyLoader

public OntologyLoader()

Method Detail

loadMemoryModel

public static com.hp.hpl.jena.ontology.OntModel loadMemoryModel(InputStream is,
                                                                String url)
                                                         throws com.hp.hpl.jena.shared.JenaException

Throws:

com.hp.hpl.jena.shared.JenaException

loadMemoryModel

public static com.hp.hpl.jena.ontology.OntModel loadMemoryModel(InputStream is,
                                                                String url,
                                                                boolean processImports)
                                                         throws com.hp.hpl.jena.shared.JenaException

Load an ontology into memory. Use this type of model when fast access is critical and memory is available.

Throws:

com.hp.hpl.jena.shared.JenaException

loadMemoryModel

public static com.hp.hpl.jena.ontology.OntModel loadMemoryModel(InputStream is,
                                                                String url,
                                                                boolean processImports,
                                                                com.hp.hpl.jena.ontology.OntModelSpec spec)
                                                         throws com.hp.hpl.jena.shared.JenaException

Throws:

com.hp.hpl.jena.shared.JenaException

loadMemoryModel

public static com.hp.hpl.jena.ontology.OntModel loadMemoryModel(String url)
                                                         throws IOException

Load an ontology into memory. Use this type of model when fast access is critical and memory is available.

Throws:

IOException

See Also:

loadMemoryModel(String, String, boolean)

loadMemoryModel

public static com.hp.hpl.jena.ontology.OntModel loadMemoryModel(String url,
                                                                @Nullable
                                                                String cacheName)
                                                         throws com.hp.hpl.jena.shared.JenaException,
                                                                IOException

Throws:

com.hp.hpl.jena.shared.JenaException

IOException

loadMemoryModel

public static com.hp.hpl.jena.ontology.OntModel loadMemoryModel(String url,
                                                                @Nullable
                                                                String cacheName,
                                                                boolean processImports)
                                                         throws com.hp.hpl.jena.shared.JenaException,
                                                                IOException

Throws:

com.hp.hpl.jena.shared.JenaException

IOException

loadMemoryModel

public static com.hp.hpl.jena.ontology.OntModel loadMemoryModel(String url,
                                                                @Nullable
                                                                String cacheName,
                                                                boolean processImports,
                                                                com.hp.hpl.jena.ontology.OntModelSpec spec)
                                                         throws com.hp.hpl.jena.shared.JenaException,
                                                                IOException

Load an ontology into memory. Use this type of model when fast access is critical and memory is available. If load from URL fails, attempt to load from disk cache under @cacheName.

Uses OntModelSpec.OWL_MEM_TRANS_INF.

Parameters:

url - a URL where the OWL file is stored

cacheName - unique name of this ontology, will be used to load from disk in case of failed url connection

processImports - process imports

spec - spec to use as a basis

Throws:

com.hp.hpl.jena.shared.JenaException

IOException

hasChanged

public static boolean hasChanged(String cacheName)

deleteOldCache

public static void deleteOldCache(String cacheName)
                           throws IOException

Throws:

IOException

openConnection

public static URLConnection openConnection(String url)
                                    throws IOException

Throws:

IOException

getDiskCachePath

public static File getDiskCachePath(String name)

Obtain the path for the ontology cache.