| // Copyright (C) 2018 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. |
| |
| package com.google.gerrit.server.cache.h2; |
| |
| import com.google.common.hash.Funnel; |
| import com.google.common.hash.Funnels; |
| import com.google.common.hash.PrimitiveSink; |
| import com.google.gerrit.server.cache.serialize.CacheSerializer; |
| import java.io.IOException; |
| import java.sql.PreparedStatement; |
| import java.sql.ResultSet; |
| import java.sql.SQLException; |
| |
| class ObjectKeyTypeImpl<K> implements KeyType<K> { |
| private final CacheSerializer<K> serializer; |
| |
| ObjectKeyTypeImpl(CacheSerializer<K> serializer) { |
| this.serializer = serializer; |
| } |
| |
| @Override |
| public String columnType() { |
| return "OTHER"; |
| } |
| |
| @Override |
| public K get(ResultSet rs, int col) throws IOException, SQLException { |
| return serializer.deserialize(rs.getBytes(col)); |
| } |
| |
| @Override |
| public void set(PreparedStatement ps, int col, K key) throws IOException, SQLException { |
| ps.setBytes(col, serializer.serialize(key)); |
| } |
| |
| @Override |
| public Funnel<K> funnel() { |
| return new Funnel<>() { |
| private static final long serialVersionUID = 1L; |
| |
| @Override |
| public void funnel(K from, PrimitiveSink into) { |
| Funnels.byteArrayFunnel().funnel(serializer.serialize(from), into); |
| } |
| }; |
| } |
| } |