Missing getter methods and wrong null check

Author: fmeheust

data/semantickernel-data-oracle/src/main/java/com/microsoft/semantickernel/data/jdbc/oracle/OracleVectorStoreQueryProvider.java

@@ -309,7 +309,7 @@ private void setUpsertStatementValues(PreparedStatement statement, Object record
                 if (field instanceof VectorStoreRecordVectorField) {
                     // Convert the vector field to a string
                     if (!field.getFieldType().equals(String.class)) {
-                        double[] values = valueNode == null ? null :  StreamSupport.stream(((ArrayNode)valueNode).spliterator(), false).mapToDouble(d -> d.asDouble()).toArray();
+                        double[] values = valueNode.isNull() ? null :  StreamSupport.stream(((ArrayNode)valueNode).spliterator(), false).mapToDouble(d -> d.asDouble()).toArray();
                         statement.setObject(i + 1, values, OracleType.VECTOR_FLOAT64);
                         System.out.println("Set values: " + values);
                         continue;

samples/semantickernel-learn-resources/src/main/java/com/microsoft/semantickernel/samples/documentationexamples/data/vectorstores/oracle/Book.java

@@ -10,9 +10,6 @@
 
 public class Book {
 
-    @VectorStoreRecordKey
-    private final String isbn;
-
     public Book(String isbn, String title, String author, int pages,
         List<String> tags, String summary, List<Float> summaryEmbedding) {
         this.isbn = isbn;
@@ -24,6 +21,10 @@ public Book(String isbn, String title, String author, int pages,
         this.summaryEmbedding = summaryEmbedding;
     }
 
+
+    @VectorStoreRecordKey
+    private final String isbn;
+
     @VectorStoreRecordData(isFilterable = true)
     private final String title;
 
@@ -42,4 +43,31 @@ public Book(String isbn, String title, String author, int pages,
     @VectorStoreRecordVector(dimensions = 4, distanceFunction = DistanceFunction.COSINE_DISTANCE, indexKind = IndexKind.HNSW)
     private final List<Float> summaryEmbedding;
 
+    public String getIsbn() {
+        return isbn;
+    }
+
+    public String getTitle() {
+        return title;
+    }
+
+    public String getAuthor() {
+        return author;
+    }
+
+    public int getPages() {
+        return pages;
+    }
+
+    public List<String> getTags() {
+        return tags;
+    }
+
+    public String getSummary() {
+        return summary;
+    }
+
+    public List<Float> getSummaryEmbedding() {
+        return summaryEmbedding;
+    }
 }