Add spellcheck and word suggestion to the prediction service

third_party/prediction/suggest/core/policy/suggest_policy.h

+/*
+ * Copyright (C) 2013 The Android Open Source Project
+ *
+ * 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.
+ */
+
+#ifndef LATINIME_SUGGEST_POLICY_H
+#define LATINIME_SUGGEST_POLICY_H
+
+#include "third_party/prediction/defines.h"
+
+namespace latinime {
+
+class Traversal;
+class Scoring;
+class Weighting;
+
+class SuggestPolicy {
+ public:
+  SuggestPolicy() {}
+  virtual ~SuggestPolicy() {}
+  virtual const Traversal* getTraversal() const = 0;
+  virtual const Scoring* getScoring() const = 0;
+  virtual const Weighting* getWeighting() const = 0;
+
+ private:
+  DISALLOW_COPY_AND_ASSIGN(SuggestPolicy);
+};
+}  // namespace latinime
+#endif  // LATINIME_SUGGEST_POLICY_H