public void doValue(byte[] vdata) {
try {
String[] v = (String[]) JavaCodec.decodeObject(vdata);
if (v != null) {
HbaseQueue.get().addData(v);
}
} catch (Exception e) {
logger.warn("HbaseQueue bdb addData exception", e);
}
}
private static long readByCursor() {
long count = 0;
// 性能高，但是抛异常，未解
// DiskOrderedCursor cursor = database.openCursor(docc);
Cursor cursor = database.openCursor(null, null);
DatabaseEntry curkey = new DatabaseEntry();
DatabaseEntry curval = new DatabaseEntry();
boolean isGoingFull = false;
try {
while (cursor.getNext(curkey, curval, null) == OperationStatus.SUCCESS) {
/*队列接近饱和，停止恢复*/
if (HbaseQueue.get().getQueueSize() > HbaseQueue.BDB_QUEUE_SIZE) {
isGoingFull = true;
break;
}
byte[] vdata = curval.getData();
if (null == vdata || vdata.length < 1) {
continue;
}
doValue(vdata);
OperationStatus ops = cursor.delete();
// OperationStatus ops=database.delete(null, curkey);
if (ops != OperationStatus.SUCCESS) {
logger.warn("delete data faile," + ops);
}
count++;
}
} catch (Exception e) {
logger.warn("read data from bdb Exception,", e);
} finally {
if (null != cursor) cursor.close();
}
if (isGoingFull) {
try {
logger.warn("queue going full sleep 5min," + totalRecovery);
Thread.sleep(1000 * 60 * 3);
} catch (InterruptedException e) {
// TODO INGORE
}
}
totalRecovery = totalRecovery + count;
return count;
}