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Diffstat (limited to 'source/de/anomic/tools/loaderCore.java')
| -rw-r--r-- | source/de/anomic/tools/loaderCore.java | 99 |
1 files changed, 99 insertions, 0 deletions
diff --git a/source/de/anomic/tools/loaderCore.java b/source/de/anomic/tools/loaderCore.java new file mode 100644 index 000000000..566bbae9e --- /dev/null +++ b/source/de/anomic/tools/loaderCore.java @@ -0,0 +1,99 @@ +// loaderCore.java
+// ---------------------------
+// (C) by Michael Peter Christen; mc@anomic.de
+// first published on http://www.anomic.de
+// Frankfurt, Germany, 2004
+// last major change: 29.09.2004
+//
+// This program 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 2 of the License, or
+// (at your option) any later version.
+//
+// This program 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 this program; if not, write to the Free Software
+// Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+//
+// Using this software in any meaning (reading, learning, copying, compiling,
+// running) means that you agree that the Author(s) is (are) not responsible
+// for cost, loss of data or any harm that may be caused directly or indirectly
+// by usage of this softare or this documentation. The usage of this software
+// is on your own risk. The installation and usage (starting/running) of this
+// software may allow other people or application to access your computer and
+// any attached devices and is highly dependent on the configuration of the
+// software which must be done by the user of the software; the author(s) is
+// (are) also not responsible for proper configuration and usage of the
+// software, even if provoked by documentation provided together with
+// the software.
+//
+// Any changes to this file according to the GPL as documented in the file
+// gpl.txt aside this file in the shipment you received can be done to the
+// lines that follows this copyright notice here, but changes must not be
+// done inside the copyright notive above. A re-distribution must contain
+// the intact and unchanged copyright notice.
+// Contributions and changes to the program code must be marked as such.
+
+
+package de.anomic.tools;
+
+import java.util.*;
+
+public abstract class loaderCore implements loaderProcess {
+
+ // status constants
+ public static final int STATUS_IDLE = -1; // not yet initialized
+ public static final int STATUS_READY = 0; // initialized, but not yet started
+ public static final int STATUS_RUNNING = 1; // started and running
+ public static final int STATUS_ABORTED = 2; // terminated before completion
+ public static final int STATUS_FAILED = 3; // failed before completion
+ public static final int STATUS_COMPLETED = 4; // completed; may run again
+ public static final int STATUS_FINALIZED = 9; // completed; may not run again
+
+ // class variables
+ protected Exception error = null;
+ protected int status = STATUS_IDLE;
+ protected Properties result = new Properties();
+ protected boolean run = true;
+ protected int completion = 0;
+
+ // steering methods
+ public abstract void feed(Vector v); // returns true if process was successful; should be always synchronized
+
+ public void terminate() {
+ // if terminated before completion, completed() shows x < 100
+ run = false;
+ }
+
+ // feed-back methods
+ public Properties result() {
+ return result;
+ }
+
+ public int completed() {
+ // guess of completion status. shall be 100 if totally completed.
+ return completion;
+ }
+
+ // error control
+ public int status() {
+ // -1=idle, 0=ready, 1=running, 2=aborted, 3=failed, 4=completed, 9=finalized
+ return status;
+ }
+
+ public boolean available() {
+ // true if it is ok to feed with feed()
+ return (status() == STATUS_READY) ||
+ ((status() == STATUS_COMPLETED) && ((result == null) || (result.size() == 0)));
+ }
+
+ public Exception error() {
+ // if in error status: this returnes exception
+ return error;
+ }
+
+}
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