X-Git-Url: https://gerrit.simantics.org/r/gitweb?a=blobdiff_plain;f=bundles%2Forg.simantics.document.server%2Fsrc%2Forg%2Fsimantics%2Fdocument%2Fserver%2Fhandler%2FWriteEventHandler.java;fp=bundles%2Forg.simantics.document.server%2Fsrc%2Forg%2Fsimantics%2Fdocument%2Fserver%2Fhandler%2FWriteEventHandler.java;h=f58e9c35cf05089809d83d7ed5c21545a34b3a04;hb=969bd23cab98a79ca9101af33334000879fb60c5;hp=0000000000000000000000000000000000000000;hpb=866dba5cd5a3929bbeae85991796acb212338a08;p=simantics%2Fplatform.git

diff --git a/bundles/org.simantics.document.server/src/org/simantics/document/server/handler/WriteEventHandler.java b/bundles/org.simantics.document.server/src/org/simantics/document/server/handler/WriteEventHandler.java
new file mode 100644
index 000000000..f58e9c35c
--- /dev/null
+++ b/bundles/org.simantics.document.server/src/org/simantics/document/server/handler/WriteEventHandler.java
@@ -0,0 +1,44 @@
+package org.simantics.document.server.handler;
+
+import org.simantics.Simantics;
+import org.simantics.db.WriteGraph;
+import org.simantics.db.common.request.WriteResultRequest;
+import org.simantics.db.exception.DatabaseException;
+import org.simantics.document.server.io.CommandContext;
+import org.simantics.document.server.io.CommandResult;
+import org.simantics.document.server.serverResponse.Error;
+import org.simantics.document.server.serverResponse.IDelayedResponse;
+
+public abstract class WriteEventHandler extends AbstractEventHandler {
+
+    protected abstract CommandResult handle(WriteGraph graph, CommandContext parameters) throws DatabaseException;
+
+    public CommandResult handle(final CommandContext parameters) {
+        try {
+        	CommandResult response = Simantics.getSession().syncRequest(new WriteResultRequest<CommandResult>() {
+                @Override
+                public CommandResult perform(WriteGraph graph) throws DatabaseException {
+                    graph.markUndoPoint();
+                    return handle(graph, parameters);
+                }
+            });
+
+            if(response instanceof IDelayedResponse && !(((IDelayedResponse)response).hasRun())) {
+                try {
+                    synchronized(response) {
+                        response.wait(200000);
+                    }
+                } catch (InterruptedException e) {
+                    e.printStackTrace();
+                }
+            }
+            
+            return response;
+        } catch (DatabaseException e) {
+            e.printStackTrace();
+            return new Error(e.getMessage()); // Return some error
+        }
+    }
+
+
+}