RelVal and QuerySummary done

tools/java_api/KuzuDatabase.java

@@ -24,8 +24,8 @@ public void destory() {
         destroyed = true;
     }
 
-    public void setLoggingLevel(String logging_level, KuzuDatabase db) {
+    public void setLoggingLevel(String logging_level) {
         checkNotdestroyed();
-        KuzuNative.kuzu_database_set_logging_level(logging_level ,db);
+        KuzuNative.kuzu_database_set_logging_level(logging_level ,this);
     }
 }

tools/java_api/KuzuNative.java

@@ -163,7 +163,7 @@ protected static native void kuzu_node_val_add_property(
         KuzuNodeValue node_val, String key, KuzuValue value);
     protected static native String kuzu_node_val_to_string(KuzuNodeValue node_val);
 
-    protected static native KuzuRelValue kuzu_rel_val_create(
+    protected static native long kuzu_rel_val_create(
         KuzuInternalID src_id, KuzuInternalID dst_id, String label);
     protected static native KuzuRelValue kuzu_rel_val_clone(KuzuRelValue rel_val);
     protected static native void kuzu_rel_val_destroy(KuzuRelValue rel_val);

tools/java_api/KuzuNodeValue.java

@@ -3,9 +3,10 @@
 public class KuzuNodeValue {
     long nv_ref;
     boolean destroyed = false;
+    boolean isOwnedByCPP = false;
 
     private void checkNotdestroyed() {
-        assert !destroyed: "PreparedStatement has been destoryed.";
+        assert !destroyed: "KuzuNodeValue has been destoryed.";
     }
 
     public KuzuNodeValue(KuzuInternalID id, String label) {
@@ -19,8 +20,10 @@ public KuzuNodeValue clone() {
 
     public void destroy() {
         checkNotdestroyed();
-        KuzuNative.kuzu_node_val_destroy(this);
-        destroyed = true;
+        if (!isOwnedByCPP) {
+            KuzuNative.kuzu_node_val_destroy(this);
+            destroyed = true;
+        }
     }
 
     public KuzuValue getIDVal() {

tools/java_api/KuzuQuerySummary.java

@@ -2,4 +2,25 @@
 
 public class KuzuQuerySummary {
     long qs_ref;
+    boolean destroyed = false;
+
+    private void checkNotdestroyed () {
+        assert !destroyed: "KuzuValue has been destroyed.";
+    }
+
+    public void destroy() {
+        checkNotdestroyed();
+        KuzuNative.kuzu_query_summary_destroy(this);
+        destroyed = true;
+    }
+
+    public double getCompilingTime() {
+        checkNotdestroyed();
+        return KuzuNative.kuzu_query_summary_get_compiling_time(this);
+    }
+
+    public double getExecutionTime() {
+        checkNotdestroyed();
+        return KuzuNative.kuzu_query_summary_get_execution_time(this);
+    }
 }

tools/java_api/KuzuRelValue.java

@@ -1,5 +1,78 @@
 package tools.java_api;
 
 public class KuzuRelValue {
-
+    long rv_ref;
+    boolean destroyed = false;
+    boolean isOwnedByCPP = false;
+
+    private void checkNotdestroyed() {
+        assert !destroyed: "KuzuRelValue has been destoryed.";
+    }
+
+    public KuzuRelValue(KuzuInternalID src_id, KuzuInternalID dst_id, String label) {
+        rv_ref = KuzuNative.kuzu_rel_val_create(src_id, dst_id, label);
+    }
+
+    public KuzuRelValue clone() {
+        checkNotdestroyed();
+        return KuzuNative.kuzu_rel_val_clone(this);
+    }
+
+    public void destroy() {
+        checkNotdestroyed();
+        if (!isOwnedByCPP) {
+            KuzuNative.kuzu_rel_val_destroy(this);
+            destroyed = true;
+        }
+    }
+
+    public KuzuValue getSrcIDVal() {
+        checkNotdestroyed();
+        return KuzuNative.kuzu_rel_val_get_src_id_val(this);
+    }
+
+    public KuzuValue getDstIDVal() {
+        checkNotdestroyed();
+        return KuzuNative.kuzu_rel_val_get_dst_id_val(this);
+    }
+
+    public KuzuInternalID getSrcID() {
+        checkNotdestroyed();
+        return KuzuNative.kuzu_rel_val_get_src_id(this);
+    }
+
+    public KuzuInternalID getDstID() {
+        checkNotdestroyed();
+        return KuzuNative.kuzu_rel_val_get_dst_id(this);
+    }
+
+    public String getLabelName() {
+        checkNotdestroyed();
+        return KuzuNative.kuzu_rel_val_get_label_name(this);
+    }
+
+    public long getPropertySize() {
+        checkNotdestroyed();
+        return KuzuNative.kuzu_rel_val_get_property_size(this);
+    }
+
+    public String getPropertyNameAt(long index) {
+        checkNotdestroyed();
+        return KuzuNative.kuzu_rel_val_get_property_name_at(this, index);
+    }
+
+    public KuzuValue getPropertyValueAt(long index) {
+        checkNotdestroyed();
+        return KuzuNative.kuzu_rel_val_get_property_value_at(this, index);
+    }
+
+    public void addProperty(String key, KuzuValue value) {
+        checkNotdestroyed();
+        KuzuNative.kuzu_rel_val_add_property(this, key, value);
+    }
+
+    public String toString() {
+        checkNotdestroyed();
+        return KuzuNative.kuzu_rel_val_to_string(this);
+    }
 }

tools/java_api/KuzuValue.java

@@ -6,7 +6,7 @@ public class KuzuValue {
     boolean isOwnedByCPP = false;
 
     private void checkNotdestroyed () {
-        assert !destroyed: "FlatTuple has been destroyed.";
+        assert !destroyed: "KuzuValue has been destroyed.";
     }
 
     public <T> KuzuValue (T val) {