import quincy 17.2.0

[ceph.git] / ceph / src / arrow / csharp / src / Apache.Arrow.Flight / FlightCriteria.cs

diff --git a/ceph/src/arrow/csharp/src/Apache.Arrow.Flight/FlightCriteria.cs b/ceph/src/arrow/csharp/src/Apache.Arrow.Flight/FlightCriteria.cs
new file mode 100644 (file)
index 0000000..6bcb087
--- /dev/null
+++ b/ceph/src/arrow/csharp/src/Apache.Arrow.Flight/FlightCriteria.cs
@@ -0,0 +1,70 @@
+// 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.
+
+using System;
+using System.Collections.Generic;
+using System.Text;
+using Google.Protobuf;
+
+namespace Apache.Arrow.Flight
+{
+    public class FlightCriteria
+    {
+        internal static readonly FlightCriteria Empty = new FlightCriteria();
+
+        private readonly Protocol.Criteria _criteria;
+
+        internal FlightCriteria(Protocol.Criteria criteria)
+        {
+            _criteria = criteria;
+        }
+
+        public FlightCriteria()
+        {
+            _criteria = new Protocol.Criteria();
+        }
+
+        public FlightCriteria(string expression)
+        {
+            _criteria = new Protocol.Criteria()
+            {
+                Expression = ByteString.CopyFromUtf8(expression)
+            };
+        }
+
+        public FlightCriteria(byte[] bytes)
+        {
+            _criteria = new Protocol.Criteria()
+            {
+                Expression = ByteString.CopyFrom(bytes)
+            };
+        }
+
+        public FlightCriteria(ByteString byteString)
+        {
+            _criteria = new Protocol.Criteria()
+            {
+                Expression = byteString
+            };
+        }
+
+        public ByteString Expression => _criteria.Expression;
+
+        internal Protocol.Criteria ToProtocol()
+        {
+            return _criteria;
+        }
+    }
+}