X-Git-Url: https://gerrit.simantics.org/r/gitweb?a=blobdiff_plain;f=bundles%2Forg.simantics.modeling%2Fsrc%2Forg%2Fsimantics%2Fmodeling%2FMigrateModel.java;h=eb0b80709b70094fcdfff1f5900a70f35d0dee2e;hb=5a40d4036107daff4b804056b52714392835df2e;hp=dee74b0e1d1b98bf9d499d48c84a0b43650774b3;hpb=f43fbe51d130e91cc05e5cd6632f33456b6b94c7;p=simantics%2Fplatform.git

diff --git a/bundles/org.simantics.modeling/src/org/simantics/modeling/MigrateModel.java b/bundles/org.simantics.modeling/src/org/simantics/modeling/MigrateModel.java
index dee74b0e1..eb0b80709 100644
--- a/bundles/org.simantics.modeling/src/org/simantics/modeling/MigrateModel.java
+++ b/bundles/org.simantics.modeling/src/org/simantics/modeling/MigrateModel.java
@@ -28,6 +28,7 @@ import org.simantics.db.WriteGraph;
 import org.simantics.db.common.NamedResource;
 import org.simantics.db.common.utils.NameUtils;
 import org.simantics.db.exception.DatabaseException;
+import org.simantics.db.layer0.adapter.Instances;
 import org.simantics.db.layer0.util.Layer0Utils;
 import org.simantics.diagram.stubs.DiagramResource;
 import org.simantics.layer0.Layer0;
@@ -222,4 +223,22 @@ public class MigrateModel {
 	    new MigrationOperation(new NamedResource("", instance), new NamedResource("", newComponentType), new NamedResource("", newSymbol))
 	    .perform(graph);
 	}
+
+	public static void changeAllComponentTypes(WriteGraph graph, Resource model, Resource oldComponentType, Resource newComponentType) throws DatabaseException {
+	    ModelingResources MOD = ModelingResources.getInstance(graph);
+	    NamedResource newComponentTypeN = new NamedResource("", newComponentType);
+        Resource newSymbol = graph.getSingleObject(newComponentType, MOD.ComponentTypeToSymbol);
+        NamedResource newSymbolN = new NamedResource("", newSymbol);
+        
+	    Collection<Resource> instances = graph.adapt(oldComponentType, Instances.class).find(graph, model);
+	    
+	    for(Resource instance : instances) {
+	        new MigrationOperation(
+	                new NamedResource("", instance),
+	                newComponentTypeN,
+	                newSymbolN)
+	        .perform(graph);
+	    }
+	}
+
 }