Package sdb.examples

Source Code of sdb.examples.Ex2

/*
* (c) Copyright 2007, 2008, 2009 Hewlett-Packard Development Company, LP
* All rights reserved.
* [See end of file]
*/

package sdb.examples;

import com.hp.hpl.jena.query.*;

import com.hp.hpl.jena.sdb.SDBFactory;
import com.hp.hpl.jena.sdb.Store;
import com.hp.hpl.jena.sdb.StoreDesc;
import com.hp.hpl.jena.sdb.sql.JDBC;
import com.hp.hpl.jena.sdb.sql.SDBConnection;
import com.hp.hpl.jena.sdb.store.DatabaseType;
import com.hp.hpl.jena.sdb.store.DatasetStore;
import com.hp.hpl.jena.sdb.store.LayoutType;

/** Connect to a store using API calls. */

public class Ex2
{
    static public void main(String...argv)
    {
        String queryString = "SELECT * { ?s ?p ?o }" ;
        Query query = QueryFactory.create(queryString) ;
       
        StoreDesc storeDesc = new StoreDesc(LayoutType.LayoutTripleNodesHash, DatabaseType.Derby) ;
       
        JDBC.loadDriverDerby() ;    // Multiple choices for Derby - load the embedded driver
        String jdbcURL = "jdbc:derby:DB/SDB2";
       
        // Passing null for user and password causes them to be extracted
        // from the environment variables SDB_USER and SDB_PASSWORD
        SDBConnection conn = new SDBConnection(jdbcURL, null, null) ;

        // Make store from connection and store description.
        Store store = SDBFactory.connectStore(conn, storeDesc) ;
       
        Dataset ds = DatasetStore.create(store) ;
        QueryExecution qe = QueryExecutionFactory.create(query, ds) ;
        try {
            ResultSet rs = qe.execSelect() ;
            ResultSetFormatter.out(rs) ;
        } finally { qe.close() ; }
        store.close() ;
    }
}

/*
* (c) Copyright 2007, 2008, 2009 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.
*/
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