From: Marko Luukkainen <marko.luukkainen@semantum.fi>
Date: Tue, 17 Dec 2019 12:23:30 +0000 (+0200)
Subject: TransferableGraph import to VG with different name
X-Git-Url: https://gerrit.simantics.org/r/gitweb?a=commitdiff_plain;h=refs%2Fchanges%2F38%2F3738%2F1;p=simantics%2Fplatform.git

TransferableGraph import to VG with different name

* Root are processed first during tg import, which allows Import Advisor
to replace the current name.

gitlab #432


Change-Id: Ia297b4df4c0ad1895a985f592064a178a6c4fb10
---

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 6d3f7e48e..e61937fc9 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
@@ -188,6 +188,21 @@ public class StreamingTransferableGraphImportProcess implements TransferableGrap
 		this.handles = new int[resourceCount];
 		TIntObjectMap<Identity> identityMap = TransferableGraphUtils.mapIdentities(identities);
 		
+		// We must process roots first, because internal identifiers depend on them.
+		for(Identity identity : identities) {
+			IdentityDefinition definition = identity.definition;
+			if (definition instanceof Root) {
+				Root root = (Root) definition;
+				if (root.name.equals(""))
+					handles[identity.resource] = builder.handle(RootLibrary);
+				else {
+					Resource existing = advisor.analyzeRoot(graph, root);
+					if (existing != null)
+						handles[identity.resource] = builder.handle(existing);
+				}
+			}
+		}
+		
 		for(Identity identity : identities) {
 			IdentityDefinition definition = identity.definition;
 			if(definition instanceof External) {
@@ -227,16 +242,6 @@ public class StreamingTransferableGraphImportProcess implements TransferableGrap
 					existingInternalMap.put(identity.resource, existing);
 				}
 			}
-			else if(definition instanceof Root) {
-				Root root = (Root)definition;
-				if(root.name.equals(""))
-				    handles[identity.resource] = builder.handle(RootLibrary);
-				else  {
-					Resource existing = advisor.analyzeRoot(graph, root);
-					if(existing != null)
-					    handles[identity.resource] = builder.handle(existing);
-				}
-			}
 			else if(definition instanceof Optional) {
 				External def = (External)definition;
 				Resource parent = builder.resource(handles[def.parent]);
@@ -269,6 +274,8 @@ public class StreamingTransferableGraphImportProcess implements TransferableGrap
 	}
 
 	int[] getClustering() {
+		if (vg != null)
+			return null;
 		Variant v = extensions.get(Extensions.CLUSTERING);
 		if(v == null) return null;
 		try {
@@ -280,6 +287,8 @@ public class StreamingTransferableGraphImportProcess implements TransferableGrap
 	}
 
 	int[] getClusterSets() {
+		if (vg != null)
+			return null;
 		Variant v = extensions.get(Extensions.CLUSTER_SETS);
 		if(v == null) return null;
 		try {
@@ -605,7 +614,11 @@ public class StreamingTransferableGraphImportProcess implements TransferableGrap
 		tg.forValues2(null, new ValueProcedure());
 		
 		for(Resource r : existingInternalMap.valueCollection()) {
-			graph.deny(r, InstanceOf, null, ExternalEntity, null);
+			try {
+				graph.deny(r, InstanceOf, null, ExternalEntity, null);
+			} catch (DatabaseException e) {
+				graph.deny(r, InstanceOf, null, ExternalEntity, vg);
+			}
 		}
 		
 	}
diff --git a/bundles/org.simantics.graph.db/src/org/simantics/graph/db/TransferableGraphImportProcess.java b/bundles/org.simantics.graph.db/src/org/simantics/graph/db/TransferableGraphImportProcess.java
index 4ec713866..3b3c78bac 100644
--- a/bundles/org.simantics.graph.db/src/org/simantics/graph/db/TransferableGraphImportProcess.java
+++ b/bundles/org.simantics.graph.db/src/org/simantics/graph/db/TransferableGraphImportProcess.java
@@ -174,7 +174,7 @@ public class TransferableGraphImportProcess implements TransferableGraphImporter
 		missingExternals.add(external);
 	}
 	
-	void prepare(ReadGraph graph) throws DatabaseException {
+	public void prepare(ReadGraph graph) throws DatabaseException {
 		findBuiltins(graph);
 		
 		Resource[] resources = new Resource[tg.resourceCount];
@@ -338,7 +338,7 @@ public class TransferableGraphImportProcess implements TransferableGraphImporter
 		
 	}
 
-	void write(WriteOnlyGraph graph) throws DatabaseException {
+	public void write(WriteOnlyGraph graph) throws DatabaseException {
 
 		Resource[] resources = this.resources;