X-Git-Url: https://gerrit.simantics.org/r/gitweb?p=simantics%2Fplatform.git;a=blobdiff_plain;f=bundles%2Forg.simantics.document.server%2Fsrc%2Forg%2Fsimantics%2Fdocument%2Fserver%2Frequest%2FHandleEventRequest.java;h=4c611a9aab043d749f0be7c4158b0fce95a0da76;hp=60cbad36483ed870ca032aaa2c22206ab0771699;hb=ae2e31aa5eb35410e5b2ce222d42421154f3fecc;hpb=969bd23cab98a79ca9101af33334000879fb60c5

diff --git a/bundles/org.simantics.document.server/src/org/simantics/document/server/request/HandleEventRequest.java b/bundles/org.simantics.document.server/src/org/simantics/document/server/request/HandleEventRequest.java
index 60cbad364..4c611a9aa 100644
--- a/bundles/org.simantics.document.server/src/org/simantics/document/server/request/HandleEventRequest.java
+++ b/bundles/org.simantics.document.server/src/org/simantics/document/server/request/HandleEventRequest.java
@@ -1,36 +1,33 @@
-package org.simantics.document.server.request;
-
-import org.simantics.db.ReadGraph;
-import org.simantics.db.exception.DatabaseException;
-import org.simantics.db.layer0.variable.Variable;
-import org.simantics.db.layer0.variable.Variables;
-import org.simantics.db.request.Read;
-import org.simantics.document.server.handler.AbstractEventHandler;
-import org.simantics.document.server.io.CommandContext;
-import org.simantics.structural.stubs.StructuralResource2;
-
-public class HandleEventRequest implements Read<AbstractEventHandler> {
-
-    final String id;
-
-    public HandleEventRequest(String id) {
-        this.id = id;
-    }
-
-    @Override
-    public AbstractEventHandler perform(ReadGraph graph) throws DatabaseException {
-
-        StructuralResource2.getInstance(graph);
-
-        Variable variable = Variables.getPossibleVariable(graph, id);
-        if(variable == null) return null;
-
-//        System.err.println("EVENT " + variable.getURI(graph));
-        Object handler = variable.getValue(graph);
-        if(handler instanceof AbstractEventHandler)
-            return (AbstractEventHandler) handler;
-        else
-            throw new DatabaseException("Handler for " + id + " is not instance of AbstractEventHandler (it is instance of " + (handler != null ? handler.getClass() : null) + ")");
-    }
-
+package org.simantics.document.server.request;
+
+import org.simantics.db.ReadGraph;
+import org.simantics.db.common.request.UnaryRead;
+import org.simantics.db.exception.DatabaseException;
+import org.simantics.db.layer0.variable.Variable;
+import org.simantics.db.layer0.variable.Variables;
+import org.simantics.document.server.handler.AbstractEventHandler;
+import org.simantics.structural.stubs.StructuralResource2;
+
+public class HandleEventRequest extends UnaryRead<String, AbstractEventHandler> {
+
+    public HandleEventRequest(String id) {
+        super(id);
+    }
+
+    @Override
+    public AbstractEventHandler perform(ReadGraph graph) throws DatabaseException {
+
+        StructuralResource2.getInstance(graph);
+
+        Variable variable = Variables.getPossibleVariable(graph, parameter);
+        if(variable == null) return null;
+
+//        System.err.println("EVENT " + variable.getURI(graph));
+        Object handler = variable.getValue(graph);
+        if(handler instanceof AbstractEventHandler)
+            return (AbstractEventHandler) handler;
+        else
+            throw new DatabaseException("Handler for " + parameter + " is not instance of AbstractEventHandler (it is instance of " + (handler != null ? handler.getClass() : null) + ")");
+    }
+
 }
\ No newline at end of file