ChunkLoader.java 文件源码

private Table<Integer, Material, Integer> loadChunkMaterial() throws SQLException {
    Table<Integer, Material, Integer> target = HashBasedTable.create();
    ResultSet resultSet = selectChunkMaterial.executeQuery();

    while (resultSet.next()) {
        int id = resultSet.getInt("id");
        int chunkId = resultSet.getInt("chunk_id");
        int materialId = resultSet.getInt("material_id");
        int count = resultSet.getInt("count");

        identityCache.setChunkMaterialId(chunkId, materialId, id);
        identityCache.getMaterial(materialId).ifPresent(material ->
                target.put(chunkId, material, count));
    }

    resultSet.close();
    return target;
}