X-Git-Url: https://gerrit.simantics.org/r/gitweb?a=blobdiff_plain;f=bundles%2Forg.simantics.db.impl%2Fsrc%2Forg%2Fsimantics%2Fdb%2Fimpl%2Fquery%2FIntSet.java;fp=bundles%2Forg.simantics.db.impl%2Fsrc%2Forg%2Fsimantics%2Fdb%2Fimpl%2Fquery%2FIntSet.java;h=7c32b8e593e19ea7757355d3c1768c0757abe7c1;hb=293ccfa5eb545cf7c541703a5747d85da662ec27;hp=a84f8fc5553aa04c31537ecedad7ec4e182a7666;hpb=c54a50d950fe3dde640ac06814c7e95455a08d36;p=simantics%2Fplatform.git

diff --git a/bundles/org.simantics.db.impl/src/org/simantics/db/impl/query/IntSet.java b/bundles/org.simantics.db.impl/src/org/simantics/db/impl/query/IntSet.java
index a84f8fc55..7c32b8e59 100644
--- a/bundles/org.simantics.db.impl/src/org/simantics/db/impl/query/IntSet.java
+++ b/bundles/org.simantics.db.impl/src/org/simantics/db/impl/query/IntSet.java
@@ -37,6 +37,8 @@ final public class IntSet implements ResourceSet {
     protected static final int DEFAULT_CAPACITY = 3;
 
     public static final int NO_DATA = -1;
+    
+    private static final Object[] EMPTY_ARRAY = new Object[0];
 
     public IntSet() {
         support = null;
@@ -241,7 +243,16 @@ final public class IntSet implements ResourceSet {
 
     @Override
     public Object[] toArray() {
-        throw new UnsupportedOperationException();
+        if(data != null) {
+            Object[] result = new Object[sizeOrData];
+            for(int i=0;i<sizeOrData;++i)
+                result[i] = new ResourceImpl(support, data[i]);
+            return result;
+        }
+        else if(sizeOrData == NO_DATA)
+            return EMPTY_ARRAY;
+        else
+            return new Object[] { new ResourceImpl(support, sizeOrData) };
     }
 
     @Override