public void Connect()
{
Yaz.ZOOM_connection_connect(ZConnection, _host, _port);
var errorCode = Yaz.ZOOM_connection_errcode(ZConnection);
CheckErrorCodeAndThrow(errorCode);
_connected = true;
}
public Connection(string host, int port)
{
_host = host;
_port = port;
_options = new ConnectionOptionsCollection();
ZConnection = Yaz.ZOOM_connection_create(_options.ZoomOptions);
var errorCode = Yaz.ZOOM_connection_errcode(ZConnection);
CheckErrorCodeAndThrow(errorCode);
}
public IScanSet Scan(IPrefixQuery query)
{
EnsureConnected();
var yazScanSet = Yaz.ZOOM_connection_scan(ZConnection, query.QueryString);
var errorCode = Yaz.ZOOM_connection_errcode(ZConnection);
if (errorCode != Yaz.ZoomErrorNone)
{
Yaz.ZOOM_scanset_destroy(yazScanSet);
}
CheckErrorCodeAndThrow(errorCode);
var scanSet = new ScanSet(yazScanSet, this);
return(scanSet);
}
public IResultSet Search(IQuery query)
{
EnsureConnected();
var yazQuery = Yaz.ZOOM_query_create();
ResultSet resultSet;
try
{
// branching out to right YAZ-C call
if (query is ICQLQuery)
{
Yaz.ZOOM_query_cql(yazQuery, query.QueryString);
}
else if (query is IPrefixQuery)
{
Yaz.ZOOM_query_prefix(yazQuery, query.QueryString);
}
else
{
throw new NotImplementedException();
}
var yazResultSet = Yaz.ZOOM_connection_search(ZConnection, yazQuery);
// error checking C-style
var errorCode = Yaz.ZOOM_connection_errcode(ZConnection);
if (errorCode != Yaz.ZoomErrorNone)
{
Yaz.ZOOM_resultset_destroy(yazResultSet);
}
CheckErrorCodeAndThrow(errorCode);
// everything ok, create result set
resultSet = new ResultSet(yazResultSet, this);
}
finally
{
// deallocate yazQuery also when exceptions
Yaz.ZOOM_query_destroy(yazQuery);
}
return(resultSet);
}