com.webfileanalyzer.service.impl.FileStatisticServiceImpl.java Source code

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Here is the source code for com.webfileanalyzer.service.impl.FileStatisticServiceImpl.java

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package com.webfileanalyzer.service.impl;

import com.webfileanalyzer.dao.FileStatisticDAO;
import com.webfileanalyzer.domain.FileStatistic;
import com.webfileanalyzer.service.FileStatisticService;
import java.util.List;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.cache.annotation.Cacheable;
import org.springframework.cache.ehcache.EhCacheCacheManager;
import org.springframework.stereotype.Service;
import org.springframework.transaction.annotation.Propagation;
import org.springframework.transaction.annotation.Transactional;

/**
 *
 * @author Dimon
 */
@Service
public class FileStatisticServiceImpl implements FileStatisticService {
    @Autowired
    private FileStatisticDAO fileStatisticDAO;

    @Transactional(readOnly = true)
    @Override
    public FileStatistic getFileById(Long id) {
        return fileStatisticDAO.getFileById(id);
    }

    @Autowired
    private EhCacheCacheManager cacheManager;

    private static final String Files_By_File_Id_B_Cache = "getFilesByFileIdBetweenCache";

    @Transactional(readOnly = true)
    @Override
    public List<FileStatistic> getStatisticsByFileId(Long id) {
        return fileStatisticDAO.getStatisticsByFileId(id);
    }

    @Transactional(propagation = Propagation.REQUIRED, readOnly = false)
    @Override
    public void add(FileStatistic dbFile) {
        clearCache();
        fileStatisticDAO.add(dbFile);
    }

    @Transactional(propagation = Propagation.REQUIRED, readOnly = false)
    @Override
    public void update(FileStatistic dbFile) {
        clearCache();
        fileStatisticDAO.delete(dbFile);
    }

    @Transactional(propagation = Propagation.REQUIRED, readOnly = false)
    @Override
    public void delete(FileStatistic dbFile) {
        clearCache();
        fileStatisticDAO.delete(dbFile);
    }

    private void clearCache() {
        cacheManager.getCacheManager().getCache(Files_By_File_Id_B_Cache).removeAll();
    }

    @Cacheable(value = Files_By_File_Id_B_Cache)
    @Transactional(readOnly = true)
    @Override
    public List<FileStatistic> getStatisticsByFileId(Long id, int from, int qty) {
        return fileStatisticDAO.getStatisticsByFileId(id, from, qty);
    }
}