package com.szpg.db.dao.impl;
import java.sql.Connection;
import java.sql.SQLException;
import java.util.ArrayList;
import java.util.Calendar;
import java.util.List;
import org.apache.commons.dbutils.DbUtils;
import org.apache.commons.dbutils.QueryRunner;
import org.apache.commons.dbutils.handlers.ArrayListHandler;
import org.apache.commons.dbutils.handlers.ScalarHandler;
import org.apache.log4j.Logger;
import com.szpg.db.dao.PgCh4Dao;
import com.szpg.db.data.PgCh4;
import com.szpg.db.util.ConnectionManager;
import com.szpg.util.NumberFormat;
public class PgCh4DaoImpl implements PgCh4Dao {
private final Logger logger = Logger.getLogger(this.getClass().getName());
@Override
public List<PgCh4> findAllPblz() {
Connection conn = null;
String queryStr = "SELECT ID, CH4, LOGTIME, PGDEVICEID FROM PG_CH4";
try {
conn = ConnectionManager.getConnectionFromC3P0();
conn.setAutoCommit(false);
QueryRunner runner = new QueryRunner();
List<Object[]> tempList = (List<Object[]>) runner.query(conn, queryStr, new ArrayListHandler());
if (null != tempList && tempList.isEmpty() == false) {
logger.debug("查询所有甲烷监测值成功[" + tempList.size() + "]");
List<PgCh4> list = new ArrayList<PgCh4>();
for (int i = 0; i < tempList.size(); i++) {
PgCh4 ch4 = new PgCh4();
Object[] item = tempList.get(i);
ch4.setId(((Number) item[0]).intValue());
ch4.setCh4(Float.parseFloat((String) item[1]));
ch4.setPgdeviceid(((Number) item[3]).intValue());
long tmValue = ((java.sql.Timestamp) ((oracle.sql.TIMESTAMP) item[2]).toJdbc()).getTime();
Calendar cal = Calendar.getInstance();
cal.setTimeInMillis(tmValue);
ch4.setLogtime(cal.getTime());
ch4.setUptime(cal.getTime());
list.add(ch4);
}
return list;
}
else
return null;
} catch (Exception ex) {
logger.error("查询所有甲烷监测值异常", ex);
} finally {
try {
DbUtils.commitAndClose(conn);
} catch (SQLException e) {
e.printStackTrace();
}
}
return null;
}
@Override
public PgCh4 findPblzById(Integer id) {
Connection conn = null;
String queryStr = "SELECT ID, CH4, LOGTIME, PGDEVICEID FROM PG_CH4 WHERE ID = ?";
Object[] param = new Object[1];
param[0] = id;
try {
conn = ConnectionManager.getConnectionFromC3P0();
conn.setAutoCommit(false);
QueryRunner runner = new QueryRunner();
List<Object[]> tempList = (List<Object[]>) runner.query(conn, queryStr, new ArrayListHandler(), param);
if (null != tempList && tempList.size() == 1) {
PgCh4 ch4 = new PgCh4();
Object[] item = tempList.get(0);
ch4.setId(((Number) item[0]).intValue());
ch4.setCh4(Float.parseFloat((String) item[1]));
ch4.setPgdeviceid(((Number) item[3]).intValue());
long tmValue = ((java.sql.Timestamp) ((oracle.sql.TIMESTAMP) item[2]).toJdbc()).getTime();
Calendar cal = Calendar.getInstance();
cal.setTimeInMillis(tmValue);
ch4.setLogtime(cal.getTime());
ch4.setUptime(cal.getTime());
logger.debug("根据ID查询甲烷监测值成功" + ch4 + "]");
return ch4;
}
else
return null;
} catch (Exception ex) {
logger.error("根据ID查询甲烷监测值异常", ex);
} finally {
try {
DbUtils.commitAndClose(conn);
} catch (SQLException e) {
e.printStackTrace();
}
}
return null;
}
@Override
public PgCh4 findLatestPblzByDevice(Integer deviceid) {
Connection conn = null;
String queryStr = "SELECT A.* FROM " +
"(SELECT ID, CH4, LOGTIME, PGDEVICEID FROM PG_CH4 WHERE PGDEVICEID = ? ORDER BY LOGTIME DESC) A " +
"WHERE ROWNUM <= 1";
Object[] param = new Object[1];
param[0] = deviceid;
try {
conn = ConnectionManager.getConnectionFromC3P0();
conn.setAutoCommit(false);
QueryRunner runner = new QueryRunner();
List<Object[]> tempList = (List<Object[]>) runner.query(conn, queryStr, new ArrayListHandler(), param);
if (null != tempList && tempList.isEmpty() == false) {
PgCh4 ch4 = new PgCh4();
Object[] item = tempList.get(0);
ch4.setId(((Number) item[0]).intValue());
ch4.setCh4(Float.parseFloat((String) item[1]));
ch4.setPgdeviceid(((Number) item[3]).intValue());
long tmValue = ((java.sql.Timestamp) ((oracle.sql.TIMESTAMP) item[2]).toJdbc()).getTime();
Calendar cal = Calendar.getInstance();
cal.setTimeInMillis(tmValue);
ch4.setLogtime(cal.getTime());
ch4.setUptime(cal.getTime());
logger.debug("根据设备ID查询最新的甲烷监测值成功" + ch4 + "]");
return ch4;
}
else
return null;
} catch (Exception ex) {
logger.error("根据设备ID查询最新的甲烷监测值异常", ex);
} finally {
try {
DbUtils.commitAndClose(conn);
} catch (SQLException e) {
e.printStackTrace();
}
}
return null;
}
@Override
public List<PgCh4> findPblzByDevice(Integer deviceid) {
Connection conn = null;
String queryStr = "SELECT ID, CH4, LOGTIME, PGDEVICEID FROM PG_CH4 WHERE PGDEVICEID = ?";
Object[] param = new Object[1];
param[0] = deviceid;
try {
conn = ConnectionManager.getConnectionFromC3P0();
conn.setAutoCommit(false);
QueryRunner runner = new QueryRunner();
List<Object[]> tempList = (List<Object[]>) runner.query(conn, queryStr, new ArrayListHandler());
if (null != tempList && tempList.isEmpty() == false) {
logger.debug("根据设备ID查询甲烷监测值成功[" + tempList.size() + "]");
List<PgCh4> list = new ArrayList<PgCh4>();
for (int i = 0; i < tempList.size(); i++) {
PgCh4 ch4 = new PgCh4();
Object[] item = tempList.get(i);
ch4.setId(((Number) item[0]).intValue());
ch4.setCh4(Float.parseFloat((String) item[1]));
ch4.setPgdeviceid(((Number) item[3]).intValue());
long tmValue = ((java.sql.Timestamp) ((oracle.sql.TIMESTAMP) item[2]).toJdbc()).getTime();
Calendar cal = Calendar.getInstance();
cal.setTimeInMillis(tmValue);
ch4.setLogtime(cal.getTime());
ch4.setUptime(cal.getTime());
list.add(ch4);
}
return list;
}
else
return null;
} catch (Exception ex) {
logger.error("根据设备ID查询甲烷监测值异常", ex);
} finally {
try {
DbUtils.commitAndClose(conn);
} catch (SQLException e) {
e.printStackTrace();
}
}
return null;
}
@Override
public List<PgCh4> findPblzByDeviceAndTm(Integer deviceid, String start, String end) {
Connection conn = null;
String queryStr = "SELECT ID, CH4, LOGTIME, PGDEVICEID FROM PG_CH4 WHERE PGDEVICEID = ? AND LOGTIME >= TO_DATE(?, 'YYYY-MM-DD HH24:MI:SS') AND LOGTIME <= TO_DATE(?, 'YYYY-MM-DD HH24:MI:SS')";
Object[] params = new Object[3];
params[0] = deviceid;
params[1] = start;
params[2] = end;
try {
conn = ConnectionManager.getConnectionFromC3P0();
conn.setAutoCommit(false);
QueryRunner runner = new QueryRunner();
List<Object[]> tempList = (List<Object[]>) runner.query(conn, queryStr, new ArrayListHandler());
if (null != tempList && tempList.isEmpty() == false) {
logger.debug("根据设备ID和时间查询甲烷监测值成功[" + tempList.size() + "]");
List<PgCh4> list = new ArrayList<PgCh4>();
for (int i = 0; i < tempList.size(); i++) {
PgCh4 ch4 = new PgCh4();
Object[] item = tempList.get(i);
ch4.setId(((Number) item[0]).intValue());
ch4.setCh4(Float.parseFloat((String) item[1]));
ch4.setPgdeviceid(((Number) item[3]).intValue());
long tmValue = ((java.sql.Timestamp) ((oracle.sql.TIMESTAMP) item[2]).toJdbc()).getTime();
Calendar cal = Calendar.getInstance();
cal.setTimeInMillis(tmValue);
ch4.setLogtime(cal.getTime());
ch4.setUptime(cal.getTime());
list.add(ch4);
}
return list;
}
else
return null;
} catch (Exception ex) {
logger.error("根据设备ID和时间查询甲烷监测值异常", ex);
} finally {
try {
DbUtils.commitAndClose(conn);
} catch (SQLException e) {
e.printStackTrace();
}
}
return null;
}
@Override
public double findLastValueByDevice(Integer deviceid) {
Connection conn = null;
String sql = "SELECT CH4 FROM (SELECT * FROM PG_CH4 WHERE PGDEVICEID = ? ORDER BY ID DESC) WHERE ROWNUM = 1";
Object[] param = new Object[1];
param[0] = deviceid;
try {
conn = ConnectionManager.getConnectionFromC3P0();
conn.setAutoCommit(false);
QueryRunner runner = new QueryRunner();
double value = NumberFormat.parseDouble((String) runner.query(conn, sql, new ScalarHandler<String>(1), param), "0.00");
return value;
} catch (Exception ex) {
logger.error("根据设备查询最近的甲烷浓度值异常", ex);
} finally {
try {
DbUtils.commitAndClose(conn);
} catch (SQLException e) {
e.printStackTrace();
}
}
return 0.0;
}
@Override
public int addPblzRecord(PgCh4 ch4) {
return addPblzRecord(ch4.getCh4(), ch4.getTmStr(), ch4.getPgdeviceid());
}
@Override
public int addPblzRecord(float value, String tm, int deviceid) {
Connection conn = null;
String insertStr = "INSERT INTO PG_CH4 " +
"(CH4, LOGTIME, UPTIME, PGDEVICEID) " +
"VALUES (?, TO_DATE(?, 'YYYY-MM-DD HH24:MI:SS'), TO_DATE(?, 'YYYY-MM-DD HH24:MI:SS'), ?)";
Object[] params = new Object[4];
params[0] = NumberFormat.format(value, "0.00");
params[1] = tm;
params[2] = tm;
params[3] = deviceid;
try {
conn = ConnectionManager.getConnectionFromC3P0();
conn.setAutoCommit(false);
QueryRunner runner = new QueryRunner();
int count = runner.update(conn, insertStr, params);
if (count > 0)
logger.debug("插入甲烷监测值成功[tm=" + tm + ", value=" + value + ", deviceid=" + deviceid + "]");
else
logger.error("插入甲烷监测值失败！");
return count;
} catch (Exception ex) {
logger.error("插入甲烷监测值异常", ex);
} finally {
try {
DbUtils.commitAndClose(conn);
} catch (SQLException e) {
e.printStackTrace();
}
}
return 0;
}
}
