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1:修改hive使用druid连接池

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2:去除某些方法中的警告
This commit is contained in:
RenKaiGe-Office
2018-08-20 15:20:44 +08:00
parent 97617ef644
commit d385e67cd0
9 changed files with 196 additions and 99 deletions
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42
src/main/java/com/nis/util/HiveJDBC.java
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@@ -40,24 +40,16 @@ public class HiveJDBC {
static {
try {
prop.load(Configurations.class.getResourceAsStream("/jdbc.properties"));
driverName = prop.getProperty("jdbc.hive.driver").trim();
url = prop.getProperty("jdbc.hive.url").trim();
username = prop.getProperty("jdbc.hive.username").trim();
password = prop.getProperty("jdbc.hive.password").trim();
} catch (IOException e) {
e.printStackTrace();
}
}
public static void getConn(String searchActiveSys) throws Exception {
if (null != searchActiveSys && searchActiveSys.equals("4")) {
driverName = prop.getProperty("jdbc.hiveA.driver").trim();
url = prop.getProperty("jdbc.hiveA.url").trim();
username = prop.getProperty("jdbc.hiveA.username").trim();
password = prop.getProperty("jdbc.hiveA.password").trim();
} else {
driverName = prop.getProperty("jdbc.hiveB.driver").trim();
url = prop.getProperty("jdbc.hiveB.url").trim();
username = prop.getProperty("jdbc.hiveB.username").trim();
password = prop.getProperty("jdbc.hiveB.password").trim();
}
public static void getConn() throws Exception {
Class.forName(driverName);
conn = DriverManager.getConnection(url, username, password);
@@ -65,7 +57,7 @@ public class HiveJDBC {
public static ResultSet query(String sql, String searchActiveSys) throws Exception {
logger.info("开始连接数据中心日志库--------------------------");
getConn(searchActiveSys);
getConn();
logger.info("连接数据中心日志库成功--------------------------");
st = conn.createStatement();
if (null != searchActiveSys && searchActiveSys.equals("4")) {
@@ -135,15 +127,15 @@ public class HiveJDBC {
Map<String, String> filedAndColumnMap = getColumn2FiledMap(entityClass);
List<String> listString = new ArrayList<String>();
List listObject = new ArrayList();
//不从Object... obj中获取需要date类型的字段了,调用的时候容易漏写,改为反射获取date类型的字段
List<String> columnList =getDateColumn(entityClass);
// List<String> columnList =null;
// if (null != obj && obj.length > 0) {
// columnList = new ArrayList<String>();
// for (int i = 0; i < obj.length; i++) {
// columnList.add(obj[i].toString().toLowerCase());
// }
// }
// 不从Object... obj中获取需要date类型的字段了,调用的时候容易漏写,改为反射获取date类型的字段
List<String> columnList = getDateColumn(entityClass);
// List<String> columnList =null;
// if (null != obj && obj.length > 0) {
// columnList = new ArrayList<String>();
// for (int i = 0; i < obj.length; i++) {
// columnList.add(obj[i].toString().toLowerCase());
// }
// }
// ResultSet rs = HiveJDBC.query(sql.toString());
ResultSetMetaData metaData = rs.getMetaData();
while (rs.next()) {
@@ -152,11 +144,11 @@ public class HiveJDBC {
Object value = rs.getObject(i);
String filedName = filedAndColumnMap.get(metaData.getColumnName(i).toString().toLowerCase());
if (!StringUtil.isEmpty(value)) {
//如果是日期类型的属性需要把时间戳转换成日期，如果时间戳为0直接把值设置为null
// 如果是日期类型的属性需要把时间戳转换成日期，如果时间戳为0直接把值设置为null
if (null != columnList && columnList.contains(filedName.toLowerCase())) {
long time = 0l;
time = Long.parseLong(value.toString());
map.put(filedName, time==0l?null:new Date(time * 1000));
map.put(filedName, time == 0l ? null : new Date(time * 1000));
// map.put(filedName, new
// Date(Long.parseLong("1476583810000")));
} else {