/**
* 用于管理kpi数据映射
*
* @author xiongjian
*/
@Repository("kpiSyncMappingStorage")
public class KpiSyncMappingStorage {
private Log log = LogFactory.getLogger("DataSourceToCategoryStorage");
@Autowired private KpiCateStorage kCateStorage;
@Autowired private DataSourceStorage dsStorage;
public List<KpiSyncMapping> getAll() throws Exception {
String sql = "select * from KpiSyncMapping";
return query(sql);
}
public KpiSyncMapping getByName(String name) throws Exception {
List<KpiSyncMapping> list = getByProperty("name", name);
if (list.size() == 1) {
return list.get(0);
} else if (list.size() > 1) {
log.eLog("KPI同步映射[" + name + "]不唯一");
throw new Exception("KPI同步映射[" + name + "]不唯一");
} else {
return null;
}
}
public KpiSyncMapping getById(String id) throws Exception {
List<KpiSyncMapping> list = getByProperty("_id", id);
if (list.size() == 1) {
return list.get(0);
} else if (list.size() > 1) {
log.eLog("KPI同步映射[" + id + "]不唯一");
throw new Exception("KPI同步映射[" + id + "]不唯一");
} else {
return null;
}
}
public List<KpiSyncMapping> getByProperty(String key, String val) throws Exception {
String match = "select * from KpiSyncMapping where `" + key + "` = '" + val + "'";
return query(match);
}
public void delById(String id) throws Exception {
String del = "delete from KpiSyncMapping where _id = '" + id + "'";
MongoConnect.executeUpdate(del);
}
public void delAll() throws Exception {
String del = "delete from KpiSyncMapping";
MongoConnect.executeUpdate(del);
}
public KpiSyncMapping save(KpiSyncMapping kpiMapping) throws Exception {
try {
Connection conn = MongoConnect.getConnection();
PreparedStatement pstmt =
conn.prepareStatement(
"insert into KpiSyncMapping(name,cateId,dataSourceId,fieldMap,owner) values(?,?,?,?,?)");
pstmt.setString(1, kpiMapping.getName() == null ? "" : kpiMapping.getName());
pstmt.setString(2, kpiMapping.getCateId() == null ? "" : kpiMapping.getCateId());
pstmt.setString(3, kpiMapping.getDataSourceId() == null ? "" : kpiMapping.getDataSourceId());
pstmt.setString(
4,
kpiMapping.getFieldMap() == null
? "{}"
: JSONObject.fromObject(kpiMapping.getFieldMap()).toString());
pstmt.setString(5, kpiMapping.getOwner());
pstmt.executeUpdate();
} catch (Exception e) {
throw e;
}
return getByName(kpiMapping.getName());
}
public KpiSyncMapping update(KpiSyncMapping kpiMapping) throws Exception {
try {
Connection conn = MongoConnect.getConnection();
PreparedStatement pstmt =
conn.prepareStatement(
"update KpiSyncMapping set name=?,cateId=?,dataSourceId=?,fieldMap=? where _id=?");
pstmt.setString(1, kpiMapping.getName() == null ? "" : kpiMapping.getName());
pstmt.setString(2, kpiMapping.getCateId() == null ? "" : kpiMapping.getCateId());
pstmt.setString(3, kpiMapping.getDataSourceId() == null ? "" : kpiMapping.getDataSourceId());
pstmt.setString(
4,
kpiMapping.getFieldMap() == null
? "{}"
: JSONObject.fromObject(kpiMapping.getFieldMap()).toString());
pstmt.setString(5, kpiMapping.getId());
pstmt.executeUpdate();
} catch (Exception e) {
throw e;
}
return kpiMapping;
}
public boolean existByName(String name) {
try {
if (getByName(name) == null) return false;
} catch (Exception e) {
}
return true;
}
public boolean existById(String id) {
try {
if (getById(id) == null) return false;
} catch (Exception e) {
}
return true;
}
public List<KpiSyncMapping> query(String sql) throws Exception {
List<KpiSyncMapping> ret = new ArrayList<KpiSyncMapping>();
try {
Connection conn = MongoConnect.getConnection();
Statement stmt = conn.createStatement();
ResultSet rs = stmt.executeQuery(sql);
while (rs.next()) {
String id = rs.getString("_id");
String name = rs.getString("name");
String cateId = rs.getString("cateId");
String dataSourceId = rs.getString("dataSourceId");
JSONObject fieldMap = null;
try {
fieldMap = JSONObject.fromObject(rs.getString("fieldMap"));
} catch (Exception e) {
fieldMap = new JSONObject();
}
KpiCategory cate = kCateStorage.getById(cateId);
DataSourcePool dataSource = dsStorage.getById(dataSourceId);
@SuppressWarnings("unchecked")
KpiSyncMapping ksm = new KpiSyncMapping(name, cate, dataSource, dataSourceId, fieldMap);
ksm.setId(id);
ksm.setOwner(rs.getString("owner"));
ret.add(ksm);
}
} catch (Exception e) {
throw e;
}
return ret;
}
}
// @Component("PerfDataCleanupTask")
public class PerfDataCleanupTask {
private Log log = LogFactory.getLogger("PerfDataCleanupTask");
/** 每4小时清理一下4小时之前的数据。 */
private int interval = 14400;
/** 数据源。 */
@Resource(name = "eventDS")
private DataSource ds;
private String cleanSql = "delete from MON_PERF_DATA where METRIC_TIME < ?";
private boolean isStart;
Thread cleanupThread;
/** */
public PerfDataCleanupTask() {
isStart = false;
}
public void start() {
isStart = true;
Thread cleanupThread =
new Thread() {
@Override
public void run() {
while (isStart) {
cleanupData();
try {
// 等待指定时间
Thread.sleep(interval * 1000L);
} catch (Exception ex) {
// ignore this exception.
}
}
}
};
cleanupThread.setName("清理内存性能数据线程");
cleanupThread.start();
}
public void stop() {
isStart = false;
if (cleanupThread != null) {
try {
cleanupThread.interrupt();
Thread.yield();
} catch (Exception ex) {
ex.printStackTrace();
}
}
}
private void cleanupData() {
log.iLog("开始清理4小时前内存性能数据...");
// 执行创建
// 建表
PreparedStatement ps = null;
Connection conn = null;
try {
// 执行查询
conn = this.ds.getConnection();
ps = conn.prepareStatement(this.cleanSql);
ps.setTimestamp(1, new Timestamp(System.currentTimeMillis() - interval * 1000L));
int dc = ps.executeUpdate();
log.iLog("清理4小时前内存性能数据" + dc + "条。");
} catch (SQLException e) {
log.eLog("清理4小时前内存性能数据时失败: " + e.getMessage(), e);
} finally {
DBUtils.closeAll(conn, ps, null);
}
log.iLog("清理4小时前内存性能数据完毕。");
}
}
