import quincy 17.2.0

[ceph.git] / ceph / src / arrow / java / gandiva / src / main / java / org / apache / arrow / gandiva / expression / Condition.java

diff --git a/ceph/src/arrow/java/gandiva/src/main/java/org/apache/arrow/gandiva/expression/Condition.java b/ceph/src/arrow/java/gandiva/src/main/java/org/apache/arrow/gandiva/expression/Condition.java
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+++ b/ceph/src/arrow/java/gandiva/src/main/java/org/apache/arrow/gandiva/expression/Condition.java
@@ -0,0 +1,42 @@
+/*
+ * 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.gandiva.expression;
+
+import org.apache.arrow.gandiva.exceptions.GandivaException;
+import org.apache.arrow.gandiva.ipc.GandivaTypes;
+
+/**
+ * Opaque class representing a filter condition.
+ */
+public class Condition {
+  private final TreeNode root;
+
+  Condition(TreeNode root) {
+    this.root = root;
+  }
+
+  /**
+   * Converts an condition expression into a protobuf.
+   * @return A protobuf representing the condition expression tree
+   */
+  public GandivaTypes.Condition toProtobuf() throws GandivaException {
+    GandivaTypes.Condition.Builder builder = GandivaTypes.Condition.newBuilder();
+    builder.setRoot(root.toProtobuf());
+    return builder.build();
+  }
+}