@Override
public DataItems readInputByText(String[] conditions) {
String whichNode = conditions[0]; // 得到需要预测的iP
DataItems dataItems = new DataItems();
Calendar lastYear = Calendar.getInstance();
lastYear.set(2014, 9, 1, 0, 0, 0);
String line = null;
try {
FileInputStream is = new FileInputStream(new File(task.getSourcePath()));
BufferedReader reader = new BufferedReader(new InputStreamReader(is));
reader.readLine();
while ((line = reader.readLine()) != null) {
String[] values = line.split(",");
String srcIp = values[1];
String destIp = values[2];
if (srcIp.compareTo(whichIp) == 0 || destIp.compareTo(whichIp) == 0) {
lastYear.add(Calendar.HOUR_OF_DAY, 1);
dataItems.add1Data(lastYear.getTime(), values[3]);
}
}
reader.close();
} catch (IOException e) {
e.printStackTrace();
}
return dataItems;
}
@Override
public DataItems readInputBySql(String condition) {
String sqlStr = condition; // sql语句需要根据实际情况的表进行书写
String whichNode = condition;
DataItems dataItems = new DataItems();
Calendar lastYear = Calendar.getInstance();
lastYear.set(2014, 9, 1, 0, 0, 0);
conn.closeConn();
ResultSet rs = conn.sqlQuery(sqlStr);
if (rs == null) {
System.out.println("no data satisfied data ,please check...");
return null;
}
ResultSetMetaData meta = null;
int numRecords = 0;
int condition_num = 0;
try {
meta = rs.getMetaData();
int numCols = meta.getColumnCount();
data = new DataItems();
while (rs.next()) {
numRecords++;
String time = rs.getString(1).trim();
Date d = parseTime(time); // 将数值时间转化为标准时间格式
String srcIp = rs.getString(2); // source IP
String destIp = rs.getString(3); // destination IP
String traffic = rs.getString(4); // traffic
if (srcIp.compareTo(whichIp) == 0 || destIp.compareTo(whichIp) == 0) {
lastYear.add(Calendar.HOUR_OF_DAY, 1);
dataItems.add1Data(lastYear.getTime(), traffic);
}
}
rs.close();
} catch (SQLException e) {
e.printStackTrace();
}
System.out.println("该表总记录数：" + numRecords + " 满足条件的记录数有：" + condition_num);
// System.out.println("锟斤拷取锟斤拷锟�" + data.getLength() + "锟斤拷锟斤拷录锟斤拷");
return data;
}
public void displayDataItems(DataItems items) {
if (items == null) return;
// TimeSeriesCollection tsc = new TimeSeriesCollection();
XYSeriesCollection tsc = new XYSeriesCollection();
// TimeSeries ts = new TimeSeries("序列值");
XYSeries ts = new XYSeries("序列值");
int len = items.getLength();
for (int i = 0; i < len; i++) {
DataItem item = items.getElementAt(i);
Date date = item.getTime();
double val = Double.parseDouble(item.getData());
// ts.addOrUpdate(items.getTimePeriodOfElement(i), val);
ts.add(i, val);
}
tsc.addSeries(ts);
chart.getXYPlot().setDataset(tsc);
}