X-Git-Url: https://gerrit.simantics.org/r/gitweb?a=blobdiff_plain;f=bundles%2Forg.simantics.db.common%2Fsrc%2Forg%2Fsimantics%2Fdb%2Fcommon%2Fprocedure%2Fsingle%2FSingleSetSyncListener.java;h=cc4acf92a9b0ebfbe8d7cf91c4db6bd41e1c97e1;hb=bc5e6cb19f6af5f67bc5cfaad7d602841b8fdd0b;hp=8dc03483db2683ed5e16e93b2f98ea9648c6ed89;hpb=969bd23cab98a79ca9101af33334000879fb60c5;p=simantics%2Fplatform.git

diff --git a/bundles/org.simantics.db.common/src/org/simantics/db/common/procedure/single/SingleSetSyncListener.java b/bundles/org.simantics.db.common/src/org/simantics/db/common/procedure/single/SingleSetSyncListener.java
index 8dc03483d..cc4acf92a 100644
--- a/bundles/org.simantics.db.common/src/org/simantics/db/common/procedure/single/SingleSetSyncListener.java
+++ b/bundles/org.simantics.db.common/src/org/simantics/db/common/procedure/single/SingleSetSyncListener.java
@@ -1,108 +1,108 @@
-/*******************************************************************************
- * Copyright (c) 2007, 2010 Association for Decentralized Information Management
- * in Industry THTH ry.
- * All rights reserved. This program and the accompanying materials
- * are made available under the terms of the Eclipse Public License v1.0
- * which accompanies this distribution, and is available at
- * http://www.eclipse.org/legal/epl-v10.html
- *
- * Contributors:
- *     VTT Technical Research Centre of Finland - initial API and implementation
- *******************************************************************************/
-package org.simantics.db.common.procedure.single;
-
-import java.util.Collection;
-import java.util.HashSet;
-
-import org.simantics.db.AsyncReadGraph;
-import org.simantics.db.ReadGraph;
-import org.simantics.db.common.request.ReadRequest;
-import org.simantics.db.common.utils.Logger;
-import org.simantics.db.exception.DatabaseException;
-import org.simantics.db.procedure.AsyncListener;
-import org.simantics.db.procedure.AsyncProcedure;
-
-abstract public class SingleSetSyncListener<T> implements AsyncListener<Collection<T>>{
-    
-    private Collection<T> previous = null;
-    
-    /**
-     * @param graph
-     * @return <code>true</code> to continue, <code>false</code> to end processing here
-     * @throws DatabaseException
-     */
-    public boolean start(ReadGraph graph) throws DatabaseException { return true; }
-    public void add(ReadGraph graph, T item) throws DatabaseException {}
-    public void remove(ReadGraph graph,T item) throws DatabaseException {}
-    public void finished(ReadGraph graph) throws DatabaseException {}
-
-    public void exception(ReadGraph graph, Throwable t) throws DatabaseException {
-		Logger.defaultLogError(t);
-    }
-    
-    @Override
-    final public void execute(AsyncReadGraph graph, final Collection<T> result) {
-    	
-    	if(result == null) {
-    		Logger.defaultLogError("SingleSetSyncListener does not accept null result.");
-    		return;
-    	}
-    	
-    	graph.asyncRequest(new ReadRequest() {
-
-			@Override
-			public void run(ReadGraph graph) throws DatabaseException {
-
-				if (!start(graph))
-					return;
-
-				if(previous == null) {
-
-					for(T t : result) add(graph, t);
-
-				} else {
-
-					HashSet<T> added = new HashSet<T>(result);
-					added.removeAll(previous);
-					HashSet<T> removed = new HashSet<T>(previous);
-					removed.removeAll(result);
-
-					for(T t : added) add(graph, t);
-					for(T t : removed) remove(graph, t);
-
-				}
-
-				finished(graph);
-
-				previous = result;
-				
-			}
-    		
-    	}, new AsyncProcedure<Object>() {
-
-			@Override
-			public void exception(AsyncReadGraph graph, Throwable t) {
-	    		Logger.defaultLogError(t);
-			}
-
-            @Override
-            public void execute(AsyncReadGraph graph, Object result) {
-            }
-    		
-    	});
-        
-    }
-    
-    @Override
-    final public void exception(AsyncReadGraph graph, final Throwable throwable) {
-        graph.asyncRequest(new ReadRequest() {
-
-            @Override
-            public void run(ReadGraph graph) throws DatabaseException {
-                exception((ReadGraph)graph, throwable);
-            }
-
-        });
-    }
-	
-}
+/*******************************************************************************
+ * Copyright (c) 2007, 2010 Association for Decentralized Information Management
+ * in Industry THTH ry.
+ * All rights reserved. This program and the accompanying materials
+ * are made available under the terms of the Eclipse Public License v1.0
+ * which accompanies this distribution, and is available at
+ * http://www.eclipse.org/legal/epl-v10.html
+ *
+ * Contributors:
+ *     VTT Technical Research Centre of Finland - initial API and implementation
+ *******************************************************************************/
+package org.simantics.db.common.procedure.single;
+
+import java.util.Collection;
+import java.util.HashSet;
+
+import org.simantics.db.AsyncReadGraph;
+import org.simantics.db.ReadGraph;
+import org.simantics.db.common.request.ReadRequest;
+import org.simantics.db.common.utils.Logger;
+import org.simantics.db.exception.DatabaseException;
+import org.simantics.db.procedure.AsyncListener;
+import org.simantics.db.procedure.AsyncProcedure;
+
+abstract public class SingleSetSyncListener<T> implements AsyncListener<Collection<T>>{
+    
+    private Collection<T> previous = null;
+    
+    /**
+     * @param graph
+     * @return <code>true</code> to continue, <code>false</code> to end processing here
+     * @throws DatabaseException
+     */
+    public boolean start(ReadGraph graph) throws DatabaseException { return true; }
+    public void add(ReadGraph graph, T item) throws DatabaseException {}
+    public void remove(ReadGraph graph,T item) throws DatabaseException {}
+    public void finished(ReadGraph graph) throws DatabaseException {}
+
+    public void exception(ReadGraph graph, Throwable t) throws DatabaseException {
+		Logger.defaultLogError(t);
+    }
+    
+    @Override
+    final public void execute(AsyncReadGraph graph, final Collection<T> result) {
+    	
+    	if(result == null) {
+    		Logger.defaultLogError("SingleSetSyncListener does not accept null result.");
+    		return;
+    	}
+    	
+    	graph.asyncRequest(new ReadRequest() {
+
+			@Override
+			public void run(ReadGraph graph) throws DatabaseException {
+
+				if (!start(graph))
+					return;
+
+				if(previous == null) {
+
+					for(T t : result) add(graph, t);
+
+				} else {
+
+					HashSet<T> added = new HashSet<T>(result);
+					added.removeAll(previous);
+					HashSet<T> removed = new HashSet<T>(previous);
+					removed.removeAll(result);
+
+					for(T t : added) add(graph, t);
+					for(T t : removed) remove(graph, t);
+
+				}
+
+				finished(graph);
+
+				previous = result;
+				
+			}
+    		
+    	}, new AsyncProcedure<Object>() {
+
+			@Override
+			public void exception(AsyncReadGraph graph, Throwable t) {
+	    		Logger.defaultLogError(t);
+			}
+
+            @Override
+            public void execute(AsyncReadGraph graph, Object result) {
+            }
+    		
+    	});
+        
+    }
+    
+    @Override
+    final public void exception(AsyncReadGraph graph, final Throwable throwable) {
+        graph.asyncRequest(new ReadRequest() {
+
+            @Override
+            public void run(ReadGraph graph) throws DatabaseException {
+                exception((ReadGraph)graph, throwable);
+            }
+
+        });
+    }
+	
+}