X-Git-Url: https://gerrit.simantics.org/r/gitweb?p=simantics%2Fplatform.git;a=blobdiff_plain;f=bundles%2Forg.simantics.modeling%2Fsrc%2Forg%2Fsimantics%2Fmodeling%2FMigrateModel.java;h=eb0b80709b70094fcdfff1f5900a70f35d0dee2e;hp=16b8ae92aeca27e2e407f3e0bf911a5fc7c4e2ba;hb=92ad7da377109c556029f64566e3a2ab67ac57c6;hpb=0ae2b770234dfc3cbb18bd38f324125cf0faca07

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 16b8ae92a..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;
@@ -216,4 +217,28 @@ public class MigrateModel {
 	public List<Triple<String, NamedResource, Collection<MigrationOperation>>> instances = new ArrayList<>();
 	public List<MigrationOperation> sortedShownInstances = Collections.emptyList();
 
+	public static void changeComponentType(WriteGraph graph, Resource instance, Resource newComponentType) throws DatabaseException {
+	    ModelingResources MOD = ModelingResources.getInstance(graph);
+	    Resource newSymbol = graph.getSingleObject(newComponentType, MOD.ComponentTypeToSymbol);
+	    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);
+	    }
+	}
+
 }