From 920cfbfa998ca9d04cce5f7731aced7e950a3477 Mon Sep 17 00:00:00 2001
From: rsgowman <rgowman@google.com>
Date: Fri, 13 Jul 2018 16:22:07 -0400
Subject:  Initial (incomplete) implementation of f:f:core::Filter (#1495)

And RelationFilter subclass.

Used to implement the next step in core::Query.
---
 .../core/src/firebase/firestore/core/filter.cc     | 41 ++++++++++++++++++++++
 1 file changed, 41 insertions(+)
 create mode 100644 Firestore/core/src/firebase/firestore/core/filter.cc

(limited to 'Firestore/core/src/firebase/firestore/core/filter.cc')

diff --git a/Firestore/core/src/firebase/firestore/core/filter.cc b/Firestore/core/src/firebase/firestore/core/filter.cc
new file mode 100644
index 0000000..4c27f27
--- /dev/null
+++ b/Firestore/core/src/firebase/firestore/core/filter.cc
@@ -0,0 +1,41 @@
+/*
+ * Copyright 2018 Google
+ *
+ * Licensed 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.
+ */
+
+#include "Firestore/core/src/firebase/firestore/core/filter.h"
+
+#include <utility>
+
+#include "Firestore/core/src/firebase/firestore/core/relation_filter.h"
+
+namespace firebase {
+namespace firestore {
+namespace core {
+
+using model::FieldPath;
+using model::FieldValue;
+
+std::shared_ptr<Filter> Filter::Create(FieldPath path,
+                                       Operator op,
+                                       FieldValue value) {
+  // TODO(rsgowman): Java performs a number of checks here, and then invokes the
+  // ctor of the relevant Filter subclass. Port those checks here.
+  return std::make_shared<RelationFilter>(std::move(path), op,
+                                          std::move(value));
+}
+
+}  // namespace core
+}  // namespace firestore
+}  // namespace firebase
-- 
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