Add spellcheck and word suggestion to the prediction service

third_party/android_prediction/suggest/policyimpl/dictionary/utils/historical_info.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_HISTORICAL_INFO_H
+#define LATINIME_HISTORICAL_INFO_H
+
+#include "third_party/android_prediction/defines.h"
+
+namespace latinime {
+
+class HistoricalInfo {
+ public:
+    // Invalid historical info.
+    HistoricalInfo()
+            : mTimestamp(NOT_A_TIMESTAMP), mLevel(0), mCount(0) {}
+
+    HistoricalInfo(const int timestamp, const int level, const int count)
+            : mTimestamp(timestamp), mLevel(level), mCount(count) {}
+
+    bool isValid() const {
+        return mTimestamp != NOT_A_TIMESTAMP;
+    }
+
+    int getTimeStamp() const {
+        return mTimestamp;
+    }
+
+    int getLevel() const {
+        return mLevel;
+    }
+
+    int getCount() const {
+        return mCount;
+    }
+
+ private:
+    // Copy constructor is public to use this class as a type of return value.
+    DISALLOW_ASSIGNMENT_OPERATOR(HistoricalInfo);
+
+    const int mTimestamp;
+    const int mLevel;
+    const int mCount;
+};
+} // namespace latinime
+#endif /* LATINIME_HISTORICAL_INFO_H */