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+/*
+* This file is part of rasdaman community.
+*
+* Rasdaman community is free software: you can redistribute it and/or modify
+* it under the terms of the GNU General Public License as published by
+* the Free Software Foundation, either version 3 of the License, or
+* (at your option) any later version.
+*
+* Rasdaman community is distributed in the hope that it will be useful,
+* but WITHOUT ANY WARRANTY; without even the implied warranty of
+* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+* GNU General Public License for more details.
+*
+* You should have received a copy of the GNU General Public License
+* along with rasdaman community. If not, see <http://www.gnu.org/licenses/>.
+*
+* Copyright 2003, 2004, 2005, 2006, 2007, 2008, 2009 Peter Baumann /
+rasdaman GmbH.
+*
+* For more information please see <http://www.rasdaman.org>
+* or contact Peter Baumann via <baumann@rasdaman.com>.
+*/
+/*************************************************************
+ *
+ *
+ * PURPOSE: Example Java program for computing the avg cell red value
+ * for a RGB image in a given collection.
+ *
+ *
+ ************************************************************/
+
+package examples;
+
+import rasj.*;
+import rasj.odmg.*;
+import org.odmg.*;
+import java.util.*;
+
+/** Example Java program for computing the avg cell red value
+ * for a RGB image in a given collection.
+ *
+ * set the server name with -server, the database name with -database, the collection name with -collection,
+ * the port number with -port, the user login with -user, the password with -passwd
+ */
+public class GetData
+{
+ public static void main(String[] args)
+ {
+ String server = "localhost";
+ String base = "RASBASE";
+ String coll = "NN3_1";
+ String port = "7101";
+ String user = "rasguest";
+ String passwd = "rasguest";
+
+ long sum;
+ long pixelcount;
+
+ for (int i=args.length-1; i>=0; i--)
+ {
+ //System.out.println(args[i]);
+ if (args[i].equals("-server"))
+ server = args[i+1];
+ if (args[i].equals("-database"))
+ base = args[i+1];
+ if (args[i].equals("-collection"))
+ coll = args[i+1];
+ if (args[i].equals("-port"))
+ port = args[i+1];
+ if (args[i].equals("-user"))
+ user = args[i+1];
+ if (args[i].equals("-passwd"))
+ passwd = args[i+1];
+ }
+ //System.out.println(server+base+coll+port+user+passwd);
+
+ DBag resultBag = null;
+ RasGMArray result = null;
+ Transaction myTa = null;
+ Database myDb = null;
+ OQLQuery myQu = null;
+
+ try
+ {
+ Implementation myApp = new RasImplementation("http://"+server+":"+port);
+ ((RasImplementation)myApp).setUserIdentification(user, passwd);
+ ((RasImplementation)myApp).setTraceThreshold(4);
+ myDb = myApp.newDatabase();
+
+ System.out.println("Opening database ...");
+ myDb.open(base, Database.OPEN_READ_ONLY);
+
+ System.out.println("Starting transaction ...");
+ myTa = myApp.newTransaction();
+ myTa.begin();
+
+ System.out.println("Retrieving MDDs ...");
+ myQu = myApp.newOQLQuery();
+ myQu.create("select img from "+ coll+" as img");
+ resultBag = (DBag)myQu.execute();
+ //System.out.println(resultBag);
+ if (resultBag != null)
+ {
+ Iterator iter = resultBag.iterator();
+ while (iter.hasNext())
+ {
+ result = (RasGMArray)iter.next();
+ System.out.println(result);
+ RasMArrayFloat tmp = (RasMArrayFloat) result;
+ float [] info = tmp.getFloatArray();
+ System.out.println(info.length);
+ for (int i=0; i<info.length; i++)
+ System.out.println(info[i]);
+ }
+ System.out.println("All results");
+ }
+
+ System.out.println( "Committing transaction ..." );
+ myTa.commit();
+
+ System.out.println( "Closing database ..." );
+ myDb.close();
+
+ }
+/*
+ catch (RasException rase)
+ {
+ System.out.println("An exception has occurred: " + rase.getMessage());
+ }*/
+ catch (org.odmg.ODMGException e)
+ {
+ System.out.println("An exception has occurred: " + e.getMessage());
+ System.out.println("Try to abort the transaction ...");
+ if(myTa != null) myTa.abort();
+
+ try
+ {
+ System.out.println("Try to close the database ...");
+ if(myDb != null) myDb.close();
+ }
+ catch ( org.odmg.ODMGException exp )
+ {
+ System.err.println("Could not close the database: " + exp.getMessage());
+ }
+ }
+ System.out.println( "Done." );
+ }
+}