All tgs do not reference L0.ConsistsOf and L0.HasName

gitlab #422

Change-Id: Ie4a5bae2d1f05b6787a38e376cb827610ed975cd
(cherry picked from commit 6bd970eba63ff08a122fdf819e428adaf80cfcef)

diff --git a/bundles/org.simantics.graph/src/org/simantics/graph/representation/TransferableGraphUtils.java b/bundles/org.simantics.graph/src/org/simantics/graph/representation/TransferableGraphUtils.java
index f2321dce9515b2819af7c51ddc146f324c5b4b1a..9873f8f1eef88ce338129a110e5e1e61d2ab2a9d 100644 (file)
--- a/bundles/org.simantics.graph/src/org/simantics/graph/representation/TransferableGraphUtils.java
+++ b/bundles/org.simantics.graph/src/org/simantics/graph/representation/TransferableGraphUtils.java
@@ -156,25 +156,27 @@ public class TransferableGraphUtils {
         }
         Identity consistsOf = findExternal(tg, "http://www.simantics.org/Layer0-1.1/ConsistsOf");
         Identity hasName = findExternal(tg, "http://www.simantics.org/Layer0-1.1/HasName");
-        for (int i = 0; i < tg.statements.length; i += 4) {
-            if (tg.statements[i] == parentResource) {
-                if (tg.statements[i + 1] == consistsOf.resource) {
-                    Identity identity = getIdentity(tg, tg.statements[i + 3]);
-                    if (identity != null) {
-                        if (identity.definition instanceof Internal) {
-                            Internal internal = (Internal) identity.definition;
-                            result.put(internal.name, identity);
-                        }
-                    } else {
-                        int possibleNameResource = getPossibleObject2(tg, tg.statements[i + 3], hasName);
-                        if (possibleNameResource != NOT_FOUND) {
-                            Value value = findValue(tg, possibleNameResource);
-                            if (value != null) {
-                                try {
-                                    String name = (String) value.value.getValue(Bindings.STRING);
-                                    result.put(name, new Identity(tg.statements[i + 3], new Internal(tg.statements[i], name)));
-                                } catch (AdaptException e) {
-                                    e.printStackTrace();
+        if(consistsOf != null && hasName != null) {
+            for (int i = 0; i < tg.statements.length; i += 4) {
+                if (tg.statements[i] == parentResource) {
+                    if (tg.statements[i + 1] == consistsOf.resource) {
+                        Identity identity = getIdentity(tg, tg.statements[i + 3]);
+                        if (identity != null) {
+                            if (identity.definition instanceof Internal) {
+                                Internal internal = (Internal) identity.definition;
+                                result.put(internal.name, identity);
+                            }
+                        } else {
+                            int possibleNameResource = getPossibleObject2(tg, tg.statements[i + 3], hasName);
+                            if (possibleNameResource != NOT_FOUND) {
+                                Value value = findValue(tg, possibleNameResource);
+                                if (value != null) {
+                                    try {
+                                        String name = (String) value.value.getValue(Bindings.STRING);
+                                        result.put(name, new Identity(tg.statements[i + 3], new Internal(tg.statements[i], name)));
+                                    } catch (AdaptException e) {
+                                        e.printStackTrace();
+                                    }
                                 }
                             }
                         }