private void checkIfNeedHeartBeat(
LinkedList<BackendConnection> heartBeatCons,
ConQueue queue,
ConcurrentLinkedQueue<BackendConnection> checkLis,
long hearBeatTime,
long hearBeatTime2) {
int MAX_CONS_IN_ONE_CHECK = 10;
Iterator<BackendConnection> checkListItor = checkLis.iterator();
while (checkListItor.hasNext()) {
BackendConnection con = checkListItor.next();
if (con.isClosed()) {
checkListItor.remove();
continue;
}
if (validSchema(con.getSchema())) {
if (con.getLastTime() < hearBeatTime) {
if (heartBeatCons.size() < MAX_CONS_IN_ONE_CHECK) {
checkListItor.remove();
// Heart beat check
con.setBorrowed(true);
heartBeatCons.add(con);
}
}
} else if (con.getLastTime() < hearBeatTime2) {
{ // not valid schema conntion should close for idle
// exceed 2*conHeartBeatPeriod
checkListItor.remove();
con.close(" heart beate idle ");
}
}
}
}
private void returnCon(BackendConnection c) {
c.setAttachment(null);
c.setBorrowed(false);
c.setLastTime(TimeUtil.currentTimeMillis());
ConQueue queue = this.conMap.getSchemaConQueue(c.getSchema());
boolean ok = false;
if (c.isAutocommit()) {
ok = queue.getAutoCommitCons().offer(c);
} else {
ok = queue.getManCommitCons().offer(c);
}
if (!ok) {
LOGGER.warn("can't return to pool ,so close con " + c);
c.close("can't return to pool ");
}
}
private BackendConnection takeCon(
BackendConnection conn,
final ResponseHandler handler,
final Object attachment,
String schema) {
conn.setBorrowed(true);
if (!conn.getSchema().equals(schema)) {
// need do schema syn in before sql send
conn.setSchema(schema);
}
ConQueue queue = conMap.getSchemaConQueue(schema);
queue.incExecuteCount();
// queue.incExecuteCount();
conn.setAttachment(attachment);
handler.connectionAcquired(conn);
return conn;
}
public void connectionClosed(BackendConnection conn) {
ConQueue queue = this.conMap.getSchemaConQueue(conn.getSchema());
if (queue != null) {
queue.removeCon(conn);
}
}