From: Tuukka Lehtonen <tuukka.lehtonen@semantum.fi>
Date: Fri, 11 May 2018 08:57:05 +0000 (+0300)
Subject: Added SCL functions for exporting event log contents to CSV
X-Git-Tag: v1.43.0~136^2~485
X-Git-Url: https://gerrit.simantics.org/r/gitweb?p=simantics%2Fplatform.git;a=commitdiff_plain;h=refs%2Fchanges%2F69%2F1769%2F4

Added SCL functions for exporting event log contents to CSV

gitlab #2

Change-Id: I14423646d035e02f0ec6149a87d170ebb3c01bae
---

diff --git a/bundles/org.simantics.event/scl/Simantics/Event.scl b/bundles/org.simantics.event/scl/Simantics/Event.scl
index 01a520d52..6839c964c 100644
--- a/bundles/org.simantics.event/scl/Simantics/Event.scl
+++ b/bundles/org.simantics.event/scl/Simantics/Event.scl
@@ -20,4 +20,25 @@ findEventSlices log = do
 @private
 findEventsFromSlice :: Resource -> <ReadGraph, Proc> [Resource]
 findEventsFromSlice slice = do
-    collectionToList (objects_ slice L0.ConsistsOf)
\ No newline at end of file
+    collectionToList (objects_ slice L0.ConsistsOf)
+
+importJava "org.simantics.event.util.EventExporter" where
+    """
+        exportCurrentEvents "\t" "X:/events.txt"
+    
+    exports the currently visible events into the specified
+    text file using the specified column separator string.
+    This function should be used when invoking outside of
+    a database transaction.
+    """
+    exportCurrentEvents :: String -> String -> ()
+
+    """
+        exportCurrentEventsG "\t" "X:/events.txt"
+    
+    exports the currently visible events into the specified
+    text file using the specified column separator string.
+    This variant must be used when invoking the method with
+    DB transaction.
+    """
+    exportCurrentEventsG :: String -> String -> <ReadGraph> ()
diff --git a/bundles/org.simantics.event/src/org/simantics/event/util/EventExporter.java b/bundles/org.simantics.event/src/org/simantics/event/util/EventExporter.java
index 10d2dfe7f..0e34770c5 100644
--- a/bundles/org.simantics.event/src/org/simantics/event/util/EventExporter.java
+++ b/bundles/org.simantics.event/src/org/simantics/event/util/EventExporter.java
@@ -26,7 +26,6 @@ import org.simantics.db.common.request.ReadRequest;
 import org.simantics.db.exception.DatabaseException;
 import org.simantics.event.view.contribution.EventLabelRule;
 import org.simantics.event.view.contribution.ProjectEventsRule;
-import org.simantics.utils.FileUtils;
 import org.simantics.utils.strings.EString;
 
 /**
@@ -34,6 +33,28 @@ import org.simantics.utils.strings.EString;
  */
 public class EventExporter {
 
+	/**
+	 * SCL API.
+	 * 
+	 * @param outputFile
+	 * @throws DatabaseException
+	 * @throws IOException
+	 */
+	public static void exportCurrentEvents(String columnSeparator, String outputFile) throws DatabaseException, IOException {
+		new EventExporter().exportCsv(null, new File(outputFile), columnSeparator);
+	}
+
+	/**
+	 * SCL API.
+	 * 
+	 * @param outputFile
+	 * @throws DatabaseException
+	 * @throws IOException
+	 */
+	public static void exportCurrentEventsG(ReadGraph graph, String columnSeparator, String outputFile) throws DatabaseException, IOException {
+		new EventExporter().exportCsv(graph, null, new File(outputFile), columnSeparator);
+	}
+
 	public EventExporter() {
 	}
 
@@ -49,17 +70,33 @@ public class EventExporter {
 	 * @throws DatabaseException
 	 * @throws IOException
 	 */
-	public void exportCsv(final IProgressMonitor monitor, File file, final String columnSeparator) throws DatabaseException, IOException {
-		final PrintStream out = new PrintStream(file);
-		try {
+	public void exportCsv(IProgressMonitor monitor, File file, String columnSeparator) throws DatabaseException, IOException {
+		try (PrintStream out = new PrintStream(file)) {
 			Simantics.getSession().syncRequest(new ReadRequest() {
 				@Override
 				public void run(ReadGraph graph) throws DatabaseException {
 					exportCsv(graph, monitor, out, columnSeparator);
 				}
 			});
-		} finally {
-			FileUtils.uncheckedClose(out);
+		}
+	}
+
+	/**
+	 * @param graph
+	 * @param monitor
+	 *            the progress monitor to use for reporting progress to the
+	 *            user. It is the caller's responsibility to call done() on the
+	 *            given monitor. Accepts <code>null</code>, indicating that no
+	 *            progress should be reported and that the operation cannot be
+	 *            cancelled.</pre>
+	 * @param file
+	 * @param columnSeparator
+	 * @throws DatabaseException
+	 * @throws IOException
+	 */
+	public void exportCsv(ReadGraph graph, IProgressMonitor monitor, File file, String columnSeparator) throws DatabaseException, IOException {
+		try (PrintStream out = new PrintStream(file)) {
+			exportCsv(graph, monitor, out, columnSeparator);
 		}
 	}