--- /dev/null
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements. See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to You under the Apache License, Version 2.0
+ * (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package org.apache.arrow.adapter.orc;
+
+/**
+ * Metadata about Vectors/Arrays that is passed via JNI interface.
+ */
+class OrcFieldNode {
+
+ private final int length;
+ private final int nullCount;
+
+ /**
+ * Construct a new instance.
+ * @param length the number of values written.
+ * @param nullCount the number of null values.
+ */
+ public OrcFieldNode(int length, int nullCount) {
+ this.length = length;
+ this.nullCount = nullCount;
+ }
+
+ int getLength() {
+ return length;
+ }
+
+ int getNullCount() {
+ return nullCount;
+ }
+}