Package virtuoso.jdbc3

Examples of virtuoso.jdbc3.VirtuosoDataSource

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    public VirtGraph(String _graphName, javax.sql.DataSource _ds)
    {
  super();

  if (_ds instanceof VirtuosoDataSource) {
      VirtuosoDataSource vds = (VirtuosoDataSource)_ds;
      this.url_hostlist = vds.getServerName();
      this.graphName = _graphName;
      this.user = vds.getUser();
      this.password = vds.getPassword();
  }

  if (this.graphName == null)
      this.graphName = DEFAULT;
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    public VirtGraph(String _graphName, ConnectionPoolDataSource _ds)
    {
  super();

  if (_ds instanceof VirtuosoConnectionPoolDataSource) {
      VirtuosoDataSource vds = (VirtuosoDataSource)_ds;
      this.url_hostlist = vds.getServerName();
      this.graphName = _graphName;
      this.user = vds.getUser();
      this.password = vds.getPassword();
  }

  if (this.graphName == null)
      this.graphName = DEFAULT;
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  query = "SPARQL " + query;

  try
  {
      java.sql.Statement stmt = connection.createStatement();
      VirtuosoResultSet results = (VirtuosoResultSet) stmt.executeQuery(query);

      ResultSetMetaData data = results.getMetaData();
      String[] col_names = new String[data.getColumnCount()];

      for(int meta_count = 0; meta_count < data.getColumnCount(); meta_count++)
      {
    col_names[meta_count] = data.getColumnLabel(meta_count + 1);
      }

      listener.startTableQueryResult (col_names);

      while (results.next())
      {
    listener.startTuple();
    for(int meta_count = 1;meta_count <= data.getColumnCount();meta_count++)
    {
        String col = data.getColumnName(meta_count);
        String value = results.getString(col);
        Value v = parseValue(value);
        listener.tupleValue(v);
    }
    listener.endTuple ();
      }
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  StringBuffer query = new StringBuffer();
  query.append("SELECT distinct RP_NAME, RP_ID from DB.DBA.RDF_PREFIX");
  try
  {
      java.sql.Statement stmt = this.connection.createStatement();
      VirtuosoResultSet results = (VirtuosoResultSet) stmt.executeQuery(query.toString());
      ResultSetMetaData data = results.getMetaData();

      // begin at onset one
      while (results.next())
      {
    String name = null;
    String prefix = null;
    for (int meta_count = 1; meta_count <= data.getColumnCount(); meta_count++)
    {
        // TODO need to parse these into appropriate resource values
        String col = data.getColumnName(meta_count);
        if(col.equals("RP_ID"))
        {
      name = results.getString(col);
        }
        else if(col.equals("RP_NAME"))
        {
      prefix = results.getString(col);
        }
    }
    if(name != null && prefix != null)
    {
        org.openrdf.sesame.sailimpl.memory.Namespace ns =  new org.openrdf.sesame.sailimpl.memory.Namespace(prefix, name, false);
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  query = "SPARQL " + query;

  try
  {
      java.sql.Statement stmt = connection.createStatement();
      VirtuosoResultSet results = (VirtuosoResultSet) stmt.executeQuery(query);

      ResultSetMetaData data = results.getMetaData();
      String[] col_names = new String[data.getColumnCount()];

      while (results.next())
      {
    listener.startGraphQueryResult();
    for (int meta_count = 1; meta_count <= data.getColumnCount(); meta_count++)
    {
        String col = data.getColumnName(meta_count);
        String value = results.getString(col);
        Value v = parseValue(value);
        listener.triple(null, null, null); // TODO find out how to interpret Virtuoso CONSTRUCT query
    }
    listener.endGraphQueryResult();
      }
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    public VirtGraph(String _graphName, DataSource _ds)
    {
  super();

  if (_ds instanceof VirtuosoDataSource) {
      VirtuosoDataSource vds = (VirtuosoDataSource)_ds;
      this.url_hostlist = vds.getServerName();
      this.user = vds.getUser();
      this.password = vds.getPassword();
  }

  this.graphName = _graphName==null?DEFAULT: _graphName;

  try {
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    public VirtGraph(String _graphName, ConnectionPoolDataSource _ds)
    {
  super();

  if (_ds instanceof VirtuosoConnectionPoolDataSource) {
      VirtuosoDataSource vds = (VirtuosoDataSource)_ds;
      this.url_hostlist = vds.getServerName();
      this.user = vds.getUser();
      this.password = vds.getPassword();
  }

  this.graphName = _graphName==null?DEFAULT: _graphName;

  try {
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Related Classes of virtuoso.jdbc3.VirtuosoDataSource

  • virtuoso.jena.driver.VirtGraph
  • virtuoso.sesame.driver.VirtuosoRepository
  • java.util.Properties
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