fix

Author: LukasMolzberger

src/main/java/network/aika/Converter.java

@@ -116,7 +116,6 @@ private boolean convert() {
                     noFurtherRefinement = true;
                     break;
                 }
-
             }
 
             outputNode.removeParents(threadId);
@@ -178,7 +177,7 @@ private List<Synapse> prepareCandidates() {
             for(Map.Entry<Integer, Relation> me: syn.relations.entrySet()) {
                 Integer relId = me.getKey();
                 Relation rel = me.getValue();
-                if(rel.convertible() && !alreadyCollected.contains(relId)) {
+                if(rel.isConvertible() && !alreadyCollected.contains(relId)) {
                     Synapse rs = syn.output.getSynapseById(relId);
                     if(rs != null) {
                         relatedSyns.put(relId, rs);

src/main/java/network/aika/lattice/AndNode.java

@@ -209,7 +209,7 @@ private Refinement createRefinement(RefValue firstRV, Refinement secondRef, Rela
 
 
     public RefValue extend(int threadId, Document doc, Refinement firstRef, PatternDiscovery.Config patterDiscoverConfig) {
-        if(firstRef.relations.size() == 0) return null;
+        if(!firstRef.isConvertible()) return null;
 
         RefValue firstRV = getAndChild(firstRef);
         if(firstRV != null) {
@@ -402,6 +402,12 @@ public Refinement(RelationsMap relations, Provider<InputNode> input) {
             this.input = input;
         }
 
+        public boolean isConvertible() {
+            for(Relation rel: relations.relations) {
+                if(rel != null && rel.isConvertible()) return true;
+            }
+            return false;
+        }
 
         public String toString() {
             StringBuilder sb = new StringBuilder();

src/main/java/network/aika/lattice/InputNode.java

@@ -146,7 +146,7 @@ void removeAndChild(AndNode.Refinement ref) {
 
 
     public RefValue extend(int threadId, Document doc, Refinement ref, PatternDiscovery.Config patterDiscoveryConfig) {
-        if(ref.relations.size() == 0) return null;
+        if(!ref.isConvertible()) return null;
 
         Relation rel = ref.relations.get(0);
         if(rel == null) {

src/main/java/network/aika/neuron/relation/MultiRelation.java

@@ -132,9 +132,9 @@ public Stream<Activation> getActivations(INeuron n, Activation linkedAct) {
     }
 
     @Override
-    public boolean convertible() {
+    public boolean isConvertible() {
         for(Relation rel: relations) {
-            if(rel.convertible()) return true;
+            if(rel.isConvertible()) return true;
         }
 
         return false;

src/main/java/network/aika/neuron/relation/Relation.java

@@ -129,7 +129,7 @@ public void readFields(DataInput in, Model m) throws IOException {
     public abstract Stream<Activation> getActivations(INeuron n, Activation linkedAct);
 
 
-    public boolean convertible() {
+    public boolean isConvertible() {
         return !optional && follow;
     }
 
@@ -278,7 +278,7 @@ public Stream<Activation> getActivations(INeuron n, Activation linkedAct) {
         }
 
         @Override
-        public boolean convertible() {
+        public boolean isConvertible() {
             return true;
         }