X-Git-Url: https://gerrit.simantics.org/r/gitweb?a=blobdiff_plain;f=bundles%2Forg.simantics.document.server%2Fsrc%2Forg%2Fsimantics%2Fdocument%2Fserver%2Fhandler%2FEventHandler.java;fp=bundles%2Forg.simantics.document.server%2Fsrc%2Forg%2Fsimantics%2Fdocument%2Fserver%2Fhandler%2FEventHandler.java;h=beb74608ed2d73eb26e5b5a728b7c37b58dc7549;hb=969bd23cab98a79ca9101af33334000879fb60c5;hp=0000000000000000000000000000000000000000;hpb=866dba5cd5a3929bbeae85991796acb212338a08;p=simantics%2Fplatform.git

diff --git a/bundles/org.simantics.document.server/src/org/simantics/document/server/handler/EventHandler.java b/bundles/org.simantics.document.server/src/org/simantics/document/server/handler/EventHandler.java
new file mode 100644
index 000000000..beb74608e
--- /dev/null
+++ b/bundles/org.simantics.document.server/src/org/simantics/document/server/handler/EventHandler.java
@@ -0,0 +1,43 @@
+package org.simantics.document.server.handler;
+
+import org.simantics.Simantics;
+import org.simantics.db.ReadGraph;
+import org.simantics.db.exception.DatabaseException;
+import org.simantics.db.request.Read;
+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;
+import org.simantics.document.server.serverResponse.ServerResponse;
+
+public abstract class EventHandler extends AbstractEventHandler {
+	
+    protected abstract ServerResponse handle(ReadGraph graph, CommandContext parameters) throws DatabaseException;
+
+    public CommandResult handle(final CommandContext parameters) {
+        try {
+            ServerResponse response = Simantics.getSession().syncRequest(new Read<ServerResponse>() {
+                @Override
+                public ServerResponse perform(ReadGraph graph) throws DatabaseException {
+                    return handle(graph, parameters);
+                }
+            });
+
+            if(response instanceof IDelayedResponse && !(((IDelayedResponse)response).hasRun())) {
+                try {
+                    synchronized(response) {
+                        response.wait(20000);
+                    }
+                } catch (InterruptedException e) {
+                    e.printStackTrace();
+                }
+            }
+            
+            return response;
+        } catch (DatabaseException e) {
+            e.printStackTrace();
+            return new Error(e.getMessage()); // Return some error
+        }
+    }
+
+}