content: /*
   * 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();
    }
  }
  