public ZooKeeperCluster getZooKeeperClusterByCulsterId(int clusterId) throws DaoException {
ZooKeeperCluster zookeeperCluster = null;
// 从数据库中获取指定zookeeper集群中所有机器
ResultSet rs = null;
DBConnectionResource myResultSet = null;
try {
String querySQL =
StringUtil.replaceSequenced(SQL_QUERY_CLUSTER_BY_ID, clusterId + EMPTY_STRING);
myResultSet = DbcpUtil.executeQuery(querySQL);
if (null == myResultSet) throw new DaoException("没有返回结果");
rs = myResultSet.resultSet;
if (rs.next()) {
String clusterName = rs.getString("cluster_name");
String serverListStr = rs.getString("server_list");
String description = rs.getString("description");
List<String> serverList = null;
if (!StringUtil.isBlank(serverListStr)) {
String[] serverListArray = serverListStr.split(COMMA);
serverList = ArrayUtil.toArrayList(serverListArray);
}
zookeeperCluster = new ZooKeeperCluster();
zookeeperCluster.setClusterId(clusterId);
zookeeperCluster.setClusterName(clusterName);
zookeeperCluster.setServerList(serverList);
zookeeperCluster.setDescription(description);
}
return zookeeperCluster;
} catch (Exception e) {
throw new DaoException(
"Error when query zookeeper cluster by cluster_id: "
+ clusterId
+ ", Error: "
+ e.getMessage(),
e);
} finally {
if (null != myResultSet) {
DbcpUtil.closeResultSetAndStatement(rs, myResultSet.statement);
DbcpUtil.returnBackConnectionToPool(myResultSet.connection);
}
}
}
@Override
public List<ZooKeeperCluster> getAllDetailZooKeeperCluster() throws DaoException {
List<ZooKeeperCluster> zookeeperClusterList = new ArrayList<ZooKeeperCluster>();
// 从数据库中获取指定zookeeper集群中所有机器
ResultSet rs = null;
DBConnectionResource myResultSet = null;
try {
myResultSet = DbcpUtil.executeQuery(SQL_QUERY_ALL_DETAIL_CLUSTER);
if (null == myResultSet) throw new DaoException("没有返回结果");
rs = myResultSet.resultSet;
while (rs.next()) {
int clusterId = rs.getInt("cluster_id");
String clusterName = rs.getString("cluster_name");
String serverListStr = rs.getString("server_list");
String description = rs.getString("description");
List<String> serverList = null;
if (!StringUtil.isBlank(serverListStr)) {
String[] serverListArray = serverListStr.split(COMMA);
serverList = ArrayUtil.toArrayList(serverListArray);
}
ZooKeeperCluster zookeeperCluster = new ZooKeeperCluster();
zookeeperCluster.setClusterId(clusterId);
zookeeperCluster.setClusterName(clusterName);
zookeeperCluster.setServerList(serverList);
zookeeperCluster.setDescription(description);
zookeeperClusterList.add(zookeeperCluster);
}
return zookeeperClusterList;
} catch (Exception e) {
throw new DaoException("Error when query all zookeeper cluster, Error: " + e.getMessage(), e);
} finally {
if (null != myResultSet) {
DbcpUtil.closeResultSetAndStatement(rs, myResultSet.statement);
DbcpUtil.returnBackConnectionToPool(myResultSet.connection);
}
}
}