X-Git-Url: https://gerrit.simantics.org/r/gitweb?p=simantics%2Fplatform.git;a=blobdiff_plain;f=bundles%2Forg.simantics.graph.db%2Fsrc%2Forg%2Fsimantics%2Fgraph%2Fdb%2FStreamingTransferableGraphImportProcess.java;h=78c369f96679f9ba467b76df8bdc9f074d28e503;hp=06abd615fd5df6ffb65d393d498b4a84a458100d;hb=4b7c3f8eacf1e6e018d38f5b984c0ccd53919b58;hpb=f7acb1a086643d1a88cf7246fcc11d12c1703dd9

diff --git a/bundles/org.simantics.graph.db/src/org/simantics/graph/db/StreamingTransferableGraphImportProcess.java b/bundles/org.simantics.graph.db/src/org/simantics/graph/db/StreamingTransferableGraphImportProcess.java
index 06abd615f..78c369f96 100644
--- a/bundles/org.simantics.graph.db/src/org/simantics/graph/db/StreamingTransferableGraphImportProcess.java
+++ b/bundles/org.simantics.graph.db/src/org/simantics/graph/db/StreamingTransferableGraphImportProcess.java
@@ -288,6 +288,14 @@ public class StreamingTransferableGraphImportProcess implements TransferableGrap
 	void findClusterSet(WriteOnlyGraph graph, Resource rootLibrary, int[] clustering, int[] clusterSets, long[] clusters, int id) throws DatabaseException {
 		ClusteringSupport support = graph.getService(ClusteringSupport.class);
 		if(id == Extensions.ROOT_LIBRARY_CLUSTER_SET || id == Extensions.INDEX_ROOT_CLUSTER_SET) return;
+		Resource indexRootClusterSetResource = rootLibrary;
+		if(indexRoot != null && support.isClusterSet(indexRoot)) {
+			indexRootClusterSetResource = indexRoot;
+		} else {
+			graph.setClusterSet4NewResource(rootLibrary);
+			graph.flushCluster();			
+		}
+		int indexRootCsHandle = builder.handle(indexRootClusterSetResource);
 		for(int pos=0,index=0;index<clustering.length;index++) {
 			pos += clustering[index];
 			if(id < pos) {
@@ -297,7 +305,7 @@ public class StreamingTransferableGraphImportProcess implements TransferableGrap
 					if(cs == Extensions.ROOT_LIBRARY_CLUSTER_SET) csHandle = builder.handle(rootLibrary);
 					else if(cs == Extensions.INDEX_ROOT_CLUSTER_SET) {
 						if(indexRoot == null) throw new DatabaseException("No index root was available in TG import.");
-						csHandle = builder.handle(indexRoot);
+						csHandle = indexRootCsHandle;
 					}
 					else {
 						findClusterSet(graph, rootLibrary, clustering, clusterSets, clusters, cs);