org.egothor.repository
Class BijectInt2StringAppender

java.lang.Object
  org.egothor.repository.BijectInt2StringAppender

All Implemented Interfaces:

URIRepositoryAppender

Direct Known Subclasses:

BijectInt2String

public class BijectInt2StringAppender
extends java.lang.Object
implements URIRepositoryAppender

This class represents the database of URIs and their unique identificators.

Author:

Leo Galambos

Field Summary

protected com.sleepycat.db.Database

repoURIInt

Constructor Summary

BijectInt2StringAppender(java.lang.String name, int uris_cache)

Method Summary

long	append(java.net.URI uri) Returns the new identifier related to the URI, -id iff the URI already exists under the id in the base.
void	close()
long	resolve(java.net.URI uri) Retrives long value (ID) assigned to the URI by some previous call of append(java.net.URI) method, -1 iff the URI is unknown to this base.
long	size() Returns number of URIs in the base, or -1 iff the value is unknown.

Methods inherited from class java.lang.Object

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

Field Detail

repoURIInt

protected com.sleepycat.db.Database repoURIInt

Constructor Detail

BijectInt2StringAppender

public BijectInt2StringAppender(java.lang.String name,
                                int uris_cache)
                         throws com.sleepycat.db.DatabaseException,
                                java.io.FileNotFoundException,
                                java.io.UnsupportedEncodingException

Throws:

com.sleepycat.db.DatabaseException

java.io.FileNotFoundException

java.io.UnsupportedEncodingException

Method Detail

size

public long size()

Description copied from interface: URIRepositoryAppender

Returns number of URIs in the base, or -1 iff the value is unknown.

Specified by:

size in interface URIRepositoryAppender

append

public long append(java.net.URI uri)
            throws DatabaseStorageException

Returns the new identifier related to the URI, -id iff the URI already exists under the id in the base.

Specified by:

append in interface URIRepositoryAppender

Throws:

DatabaseStorageException

resolve

public long resolve(java.net.URI uri)
             throws DatabaseStorageException

Retrives long value (ID) assigned to the URI by some previous call of append(java.net.URI) method, -1 iff the URI is unknown to this base.

Throws:

DatabaseStorageException

close

public void close()

Specified by:

close in interface URIRepositoryAppender