コード例 #1
0
ファイル: CspBdbQueue.java プロジェクト: kevx/csp
  /**
   * 写入数据
   *
   * @param obj
   */
  public static void insert(Object obj) {
    if (!Constants.IN_BDB) {
      MonitorLog.addStat(
          Constants.DATA_PERSISTENCE_LOG, new String[] {"Bdb Ingore"}, new Long[] {1l});
      return;
    }
    Long kIndex = keyIndex.getAndIncrement();
    try {
      byte[] vbytes = serialData(obj);
      byte[] kbytes = serialData("j" + kIndex);

      DatabaseEntry keyEntry = new DatabaseEntry(kbytes);
      DatabaseEntry valueEntry = new DatabaseEntry(vbytes);

      OperationStatus rtn = database.put(null, keyEntry, valueEntry);
      if (rtn != OperationStatus.SUCCESS) {
        logger.warn("write to bdb fail" + rtn.name());
        MonitorLog.addStat(
            Constants.DATA_PERSISTENCE_LOG, new String[] {"Bdb Write Fail"}, new Long[] {1l});
      } else {
        MonitorLog.addStat(
            Constants.DATA_PERSISTENCE_LOG, new String[] {"Bdb Success"}, new Long[] {1l});
      }
    } catch (Exception e) {
      logger.error("write to bdb exception", e);
      MonitorLog.addStat(
          Constants.DATA_PERSISTENCE_LOG, new String[] {"Bdb Write Exception"}, new Long[] {1l});
    }
  }
コード例 #2
0
  protected OperationStatus getNextNearestItem(DatabaseEntry headKey, DatabaseEntry result)
      throws DatabaseException {
    Cursor cursor = null;
    OperationStatus status;
    try {
      cursor = this.pendingUrisDB.openCursor(null, null);

      // get cap; headKey at this point should always point to
      // a queue-beginning cap entry (zero-length value)
      status = cursor.getSearchKey(headKey, result, null);
      if (status != OperationStatus.SUCCESS) {
        LOGGER.severe(
            "bdb queue cap missing: " + status.toString() + " " + new String(headKey.getData()));
        return status;
      }
      if (result.getData().length > 0) {
        LOGGER.severe("bdb queue has nonzero size: " + result.getData().length);
        return OperationStatus.KEYEXIST;
      }
      // get next item (real first item of queue)
      status = cursor.getNext(headKey, result, null);
    } finally {
      if (cursor != null) {
        cursor.close();
      }
    }
    return status;
  }
コード例 #3
0
 @Override
 public synchronized void putDecision(Long instance, Decision decision) {
   keyBinding.objectToEntry(instance, key);
   dataBinding.objectToEntry(decision, data);
   OperationStatus status = db.put(null, key, data);
   if (logger.isDebugEnabled()) {
     logger.debug("DB put " + decision + " " + status.name());
   }
 }
コード例 #4
0
 @Override
 public synchronized void putBallot(Long instance, int ballot) {
   keyBinding.objectToEntry(instance, key);
   ballotBinding.objectToEntry(ballot, ballot_data);
   OperationStatus status = db.put(null, key, ballot_data);
   if (logger.isDebugEnabled()) {
     logger.debug("DB put ballot " + ballot + " for instance " + instance + " " + status.name());
   }
 }
コード例 #5
0
 @Override
 public synchronized boolean containsDecision(Long instance) {
   boolean found = false;
   keyBinding.objectToEntry(instance, key);
   OperationStatus status = db.get(null, key, data, LockMode.DEFAULT);
   if (status == OperationStatus.SUCCESS) {
     found = true;
   }
   if (logger.isDebugEnabled()) {
     logger.debug("DB contains " + instance + " " + found + " (" + status.name() + ")");
   }
   return found;
 }
コード例 #6
0
 @Override
 public synchronized Decision getDecision(Long instance) {
   keyBinding.objectToEntry(instance, key);
   Decision decision = null;
   OperationStatus status = db.get(null, key, data, LockMode.DEFAULT);
   if (status == OperationStatus.SUCCESS) {
     decision = dataBinding.entryToObject(data);
   }
   if (logger.isDebugEnabled()) {
     logger.debug("DB get " + decision + " " + status.name());
   }
   return decision;
 }
コード例 #7
0
 @Override
 public synchronized int getBallot(Long instance) {
   keyBinding.objectToEntry(instance, key);
   Integer ballot = null;
   OperationStatus status = db.get(null, key, ballot_data, LockMode.DEFAULT);
   if (status == OperationStatus.SUCCESS) {
     ballot = ballotBinding.entryToObject(ballot_data);
   }
   if (logger.isDebugEnabled()) {
     logger.debug("DB get ballot " + ballot + " for instance " + instance + " " + status.name());
   }
   return ballot.intValue();
 }
コード例 #8
0
ファイル: JE_Table.java プロジェクト: HashZhang/tddl
  /**
   * todo:触发更新二级索引
   *
   * @param key
   * @param value
   * @throws TddlException
   */
  @Override
  public void put(
      ExecutionContext context,
      CloneableRecord key,
      CloneableRecord value,
      IndexMeta indexMeta,
      String dbName)
      throws TddlException {
    DatabaseEntry keyEntry = new DatabaseEntry();
    DatabaseEntry valueEntry = new DatabaseEntry();
    keyEntry.setData(indexCodecMap.get(indexMeta.getName()).getKey_codec().encode(key));

    // 当临时表排序时候可能会用到临时表join,主键插入值为null
    // if (keyEntry.getData().length == 1 && !isTempTable) {
    // throw new RuntimeException("pk must not null.");
    // }

    if (value != null) {
      valueEntry.setData(indexCodecMap.get(indexMeta.getName()).getValue_codec().encode(value));
    } else {
      valueEntry = emptyValueEntry;
    }
    try {
      ITransaction transaction = context.getTransaction();
      com.sleepycat.je.Transaction txn = null;
      if (transaction != null && transaction instanceof JE_Transaction) {
        txn = ((JE_Transaction) transaction).txn;
      }
      OperationStatus operationStatus = getDatabase(dbName).put(txn, keyEntry, valueEntry);
      if (operationStatus.equals(OperationStatus.SUCCESS)) {
        return;
      }
    } catch (LockTimeoutException ex) {

      throw ex;
    } catch (ReplicaWriteException ex) {
      throw new TddlException(ExceptionErrorCodeUtils.Read_only, ex);
    }
  }