/*
(c) Copyright 2005, 2006, Hewlett-Packard Development Company, LP
[See end of file]
$Id: FSSToreImpl.java,v 1.9 2007/06/20 19:16:51 rebach Exp $
*/
package com.hp.hpl.jena.gvs.impl.filesystem;
import java.io.File;
import java.io.IOException;
import com.hp.hpl.jena.gvs.Clock;
import com.hp.hpl.jena.gvs.StoreException;
import com.hp.hpl.jena.gvs.impl.BaseStoreImpl;
import com.hp.hpl.jena.gvs.impl.CachingMetaStore;
import com.hp.hpl.jena.gvs.impl.ModelMetaStore;
import com.hp.hpl.jena.gvs.storage.MetaStore;
import com.hp.hpl.jena.rdf.model.Model;
import com.hp.hpl.jena.rdf.model.ModelFactory;
/**
* @author reto
*
*/
public class FSSToreImpl extends BaseStoreImpl {
private FSMoleculeStore fsMoleculeStore;
private File lockFile;
/**
* Creates an FSStoreImpl using the current working directory (".").
*
* @throws IOException
*/
public FSSToreImpl() throws IOException {
this(new File("."));
}
/**
* Creates an FSStoreImpl using the specified directory
*
* @param storeDir
* the directory into which the contents are stored
* @throws IOException
*/
public FSSToreImpl(File storeDir) throws IOException {
this(storeDir, new EhcacheGraphCache());
}
/**
* Creates an FSStoreImpl using the specified directory and GraphCache
*
* @param storeDir
* the directory into which the contents are stored
* @param cache
* the cache to be used
* @throws IOException
*/
public FSSToreImpl(File storeDir, GraphCache cache) throws IOException {
storeDir.mkdirs();
lockFile = new File(storeDir, ".running-gvs-id");
if (!lockFile.createNewFile()) {
throw new StoreException(
"Another instance seems to be still running, if not delete "
+ lockFile);
}
lockFile.deleteOnExit();
File moleculeStoreDir = new File(storeDir, "moleculestore");
moleculeStoreDir.mkdirs();
fsMoleculeStore = new FSMoleculeStore(moleculeStoreDir, cache);
setMoleculeStore(fsMoleculeStore);
File metaStoreFile = new File(storeDir, "meta-store.nt");
Model metaModel = ModelFactory.createModelForGraph(new NTFileGraph(
metaStoreFile));
MetaStore metaStore;// = new ModelMetaStore(metaModel);
metaStore = new CachingMetaStore(metaModel);
setMetaStore(metaStore);
}
/**
* Creates an FSStoreImpl using the specified directory and Clock
*
* @param storeDir
* the directory into which the contents are stored
* @param clock
* the clock to be used
* @throws IOException
*/
public FSSToreImpl(File storeDir, Clock clock) throws IOException {
this(storeDir);
setClock(clock);
}
/**
* Detects and fixes incosistencies in the model such as duplicated
* components
*
* @param fix
* whether it should change molecule and metastore to fix
* inconsistencies
*/
public void checkAndFixConsistency(final boolean fix) {
fsMoleculeStore.checkAndFixConsistency(fix);
// TODO fix in metamodel
}
@Override
public void close() {
super.close();
lockFile.delete();
}
}
/*
* (c) Copyright 2005, 2006 Hewlett-Packard Development Company, LP All rights
* reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
*
* 1. Redistributions of source code must retain the above copyright notice,
* this list of conditions and the following disclaimer.
*
* 2. Redistributions in binary form must reproduce the above copyright notice,
* this list of conditions and the following disclaimer in the documentation
* and/or other materials provided with the distribution.
*
* 3. The name of the author may not be used to endorse or promote products
* derived from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED
* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
* MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO
* EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
* OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
* WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
* OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
* ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/