@Test
public void testSpecial() {
DBCollection c = _db.getCollection("testSpecial");
c.insert(new BasicDBObject("x", 1));
c.insert(new BasicDBObject("x", 2));
c.insert(new BasicDBObject("x", 3));
c.ensureIndex("x");
for (DBObject o : c.find().sort(new BasicDBObject("x", 1)).addSpecial("$returnKey", 1))
assertTrue(o.get("_id") == null);
for (DBObject o : c.find().sort(new BasicDBObject("x", 1))) assertTrue(o.get("_id") != null);
}
public TaskWrite(Map map1, Map m_max, Map m_min, DBCollection coll, ModbusSlaveSet slave) {
try {
synchronized (slave) {
Calendar calener = Calendar.getInstance();
Date d1 = calener.getTime();
Date d2 = new Date(calener.getTime().getTime() - 5000);
BasicDBObject b2 = new BasicDBObject();
b2.put("$gte", d2);
b2.put("$lte", d1);
DBCursor cursor =
coll.find(new BasicDBObject("_id", b2)).sort(new BasicDBObject("_id", -1)).limit(1);
while (cursor.hasNext()) {
DBObject dbo = cursor.next();
Set set1 = map1.entrySet();
Iterator it1 = set1.iterator();
while (it1.hasNext()) {
Map.Entry<String, Map<String, String>> entry =
(Map.Entry<String, Map<String, String>>) it1.next();
Map<String, String> map2 = entry.getValue();
for (Iterator it2 = map2.entrySet().iterator(); it2.hasNext(); ) {
Map.Entry<String, String> entry2 = (Map.Entry<String, String>) it2.next();
String name = entry2.getKey().toString();
String paramAddr = entry2.getValue().toString();
int fun = (int) (Double.parseDouble(paramAddr));
if (paramAddr.substring(0, 1).equals("4")) {
double value = Double.parseDouble(dbo.get(name).toString());
double dmax = (Double) m_max.get(name);
double dmin = (Double) m_min.get(name);
double dValue = 0;
if (value > dmax || value < dmin) {
if (value >= 0) {
dValue = 32000 * (int) (value / dmax);
}
if (value < 0) {
dValue = -32000 * (int) (value / dmin);
}
// slave.getProcessImage(3).setInputRegister(fun % 10000, (short) dValue);
} else { /// 参数超限报警
JOptionPane.showMessageDialog(null, "参数超限");
slave.stop();
}
}
if (paramAddr.substring(0, 1).equals("3")) {
double value = Double.parseDouble(dbo.get(name).toString());
double dmax = (Double) m_max.get(name);
double dmin = (Double) m_min.get(name);
double dValue = 0;
if (value > dmax || value < dmin) {
if (value >= 0) {
dValue = 32000 * (int) (value / dmax);
}
if (value < 0) {
dValue = -32000 * (int) (value / dmin);
}
// slave.getProcessImage(3).setHoldingRegister(fun % 10000, (short) dValue);
} else { /// 参数超限报警
JOptionPane.showMessageDialog(null, "参数超限");
slave.stop();
}
;
}
if (paramAddr.substring(0, 1).equals("2")) {
String value = dbo.get(name).toString();
/// slave.getProcessImage(4).setInput(fun % 10000, Boolean.valueOf(value));
}
if (paramAddr.substring(0, 1).equals("1")) {
String value = dbo.get(name).toString();
// slave.getProcessImage(4).setCoil(fun % 10000, Boolean.valueOf(value));
}
}
}
}
}
} catch (Exception ex) {
}
}
public void receiveData(
String ip,
String paramName,
String paramNo,
int paramBote,
int paramLength,
int parmParity,
int parmStopBit,
int parmDelay) {
try {
try {
m = new Mongo(ip, 27017);
db = m.getDB(paramName);
// db.authenticate("test", "123".toCharArray());
} catch (UnknownHostException ex) {
ex.printStackTrace();
} catch (MongoException e) {
e.printStackTrace();
}
final DBCollection coll = db.getCollection("DATAIN");
final DBCollection collout = db.getCollection("DATAOUT");
DBCollection meta = db.getCollection("META");
// 记录数据字段
final Map map1 = new HashMap();
final Map map2 = new HashMap();
Map map00 = new HashMap();
Map map01 = new HashMap();
Map map02 = new HashMap();
Map map03 = new HashMap();
final Map m_ai_max = new HashMap();
final Map m_ai_min = new HashMap();
final Map m_ao_max = new HashMap();
final Map m_ao_min = new HashMap();
DBCursor cursor = meta.find();
while (cursor.hasNext()) {
// 记录数据类型
DBObject dbo = cursor.next();
String name = dbo.get("_id").toString();
String type = dbo.get("type").toString();
String addr = dbo.get("addr").toString();
Double max = (Double) dbo.get("max");
Double min = (Double) dbo.get("min");
if (type.equals("AI")) {
map00.put(name, addr);
m_ai_max.put(name, max);
m_ai_min.put(name, min);
}
if (type.equals("DI")) {
map01.put(name, addr);
}
if (type.equals("AO")) {
map02.put(name, addr);
}
if (type.equals("DO")) {
map03.put(name, addr);
}
}
map1.put("AI", map00);
map1.put("DI", map01);
map2.put("AO", map02);
map2.put("DO", map03);
SerialParameters params = new SerialParameters();
params.setCommPortId(paramNo);
params.setBaudRate(paramBote);
params.setDataBits(paramLength);
params.setParity(parmParity);
params.setStopBits(parmStopBit);
ModbusFactory modbusFactory = new ModbusFactory();
slave = modbusFactory.createRtuSlave(params);
slave.addProcessImage(getModscanProcessImage(1, map00, coll));
slave.addProcessImage(getModscanProcessImage(2, map01, coll));
slave.addProcessImage(getModscanProcessImage(3, map02, collout));
slave.addProcessImage(getModscanProcessImage(4, map03, collout));
new Thread(
new Runnable() {
public void run() {
try {
slave.start();
// JOptionPane.showMessageDialog(f, "通讯连接成功！");
} catch (ModbusInitException e) {
e.printStackTrace();
}
}
})
.start();
ScheduledExecutorService timerRead = Executors.newScheduledThreadPool(1);
timerRead.scheduleAtFixedRate(
new Runnable() {
public void run() {
new TaskRead(map1, m_ai_max, m_ai_min, coll, slave);
}
},
500,
parmDelay,
TimeUnit.MILLISECONDS);
ScheduledExecutorService timerWrite = Executors.newScheduledThreadPool(2);
timerWrite.scheduleAtFixedRate(
new Runnable() {
public void run() {
new TaskWrite(map2, m_ao_max, m_ao_min, collout, slave);
}
},
500,
parmDelay,
TimeUnit.MILLISECONDS);
} catch (Exception ex) {
}
}