Improved logic in new head state creation.

[simantics/platform.git] / bundles / org.simantics.acorn / src / org / simantics / acorn / MainState.java

diff --git a/bundles/org.simantics.acorn/src/org/simantics/acorn/MainState.java b/bundles/org.simantics.acorn/src/org/simantics/acorn/MainState.java
index ebc4079d51c64ccf1c2b40e372b89c3602e399cf..f5644c2aeda95b479ffab6f2331dc8c775a88f0e 100644 (file)
--- a/bundles/org.simantics.acorn/src/org/simantics/acorn/MainState.java
+++ b/bundles/org.simantics.acorn/src/org/simantics/acorn/MainState.java
@@ -38,6 +38,10 @@ public class MainState implements Serializable {
     private MainState(int headDir) {
         this.headDir = headDir;
     }
+    
+    public boolean isInitial() {
+       return this.headDir == 0;
+    }
 
     public static MainState load(Path directory, Runnable rollbackCallback) throws IOException {
         Files.createDirectories(directory);