--- /dev/null
+package org.simantics.db.common.request;
+
+public abstract class SingletonRead<R> extends GenericReadBase2<R> {
+
+ @Override
+ public boolean equals(Object arg0) {
+ if(arg0 == this) return true;
+ return getClass().equals(arg0.getClass());
+ }
+
+ @Override
+ public int hashCode() {
+ return getClass().hashCode();
+ }
+
+}