Package org.apache.zookeeper.txn

Examples of org.apache.zookeeper.txn.CreateTxn

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            long zxid = ZxidUtils.makeZxid(1, 0);           
            for(int i = 1; i <= ops; i++){
                zxid = ZxidUtils.makeZxid(1, i);
                String path = "/foo-"+ i;
                zkDb.processTxn(new TxnHeader(13,1000+i,zxid,30+i,ZooDefs.OpCode.create),
                                                new CreateTxn(path, "fpjwasalsohere".getBytes(), ZooDefs.Ids.OPEN_ACL_UNSAFE, false, 1));
                Stat stat = new Stat();
                Assert.assertEquals("fpjwasalsohere", new String(zkDb.getData(path, stat, null)));
            }               
            Assert.assertTrue(zxid > ZxidUtils.makeZxid(1, 0));
           
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                    Assert.assertEquals(0, f.self.getCurrentEpoch());

                    // Setup a database with a single /foo node
                    ZKDatabase zkDb = new ZKDatabase(new FileTxnSnapLog(tmpDir, tmpDir));
                    final long firstZxid = ZxidUtils.makeZxid(1, 1);
                    zkDb.processTxn(new TxnHeader(13, 1313, firstZxid, 33, ZooDefs.OpCode.create), new CreateTxn("/foo", "data1".getBytes(), ZooDefs.Ids.OPEN_ACL_UNSAFE, false, 1));
                    Stat stat = new Stat();
                    Assert.assertEquals("data1", new String(zkDb.getData("/foo", stat, null)));

                    QuorumPacket qp = new QuorumPacket();
                    readPacketSkippingPing(ia, qp);
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                    Assert.assertEquals(0, f.self.getCurrentEpoch());

                    // Setup a database with a single /foo node
                    ZKDatabase zkDb = new ZKDatabase(new FileTxnSnapLog(tmpDir, tmpDir));
                    final long firstZxid = ZxidUtils.makeZxid(1, 1);
                    zkDb.processTxn(new TxnHeader(13, 1313, firstZxid, 33, ZooDefs.OpCode.create), new CreateTxn("/foo", "data1".getBytes(), ZooDefs.Ids.OPEN_ACL_UNSAFE, false, 1));
                    Stat stat = new Stat();
                    Assert.assertEquals("data1", new String(zkDb.getData("/foo", stat, null)));

                    QuorumPacket qp = new QuorumPacket();
                    readPacketSkippingPing(ia, qp);
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                Assert.fail("Connection hasn't been closed by leader after transaction times out.");
            }

            private Request createNodeRequest(long zxid) throws IOException {
                TxnHeader hdr = new TxnHeader(1, 1, zxid, 1, ZooDefs.OpCode.create);
                CreateTxn ct = new CreateTxn("/foo", "data".getBytes(), null, true, 0);
                ByteArrayOutputStream baos = new ByteArrayOutputStream();
                OutputArchive boa = BinaryOutputArchive.getArchive(baos);
                boa.writeRecord(hdr, "header");
                boa.writeRecord(ct, "txn");
                baos.close();
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                    // Setup a database with a single /foo node
                    ZKDatabase zkDb = new ZKDatabase(new FileTxnSnapLog(tmpDir, tmpDir));
                    final long foo1Zxid = ZxidUtils.makeZxid(1, 1);
                    final long foo2Zxid = ZxidUtils.makeZxid(1, 2);
                    zkDb.processTxn(new TxnHeader(13, 1313, foo1Zxid, 33,
                            ZooDefs.OpCode.create), new CreateTxn("/foo1",
                            "data1".getBytes(), ZooDefs.Ids.OPEN_ACL_UNSAFE,
                            false, 1));
                    zkDb.processTxn(new TxnHeader(13, 1313, foo2Zxid, 33,
                            ZooDefs.OpCode.create), new CreateTxn("/foo2",
                            "data1".getBytes(), ZooDefs.Ids.OPEN_ACL_UNSAFE,
                            false, 1));
                    Stat stat = new Stat();
                    Assert.assertEquals("data1",
                            new String(zkDb.getData("/foo1", stat, null)));
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            ZKDatabase zkDb = new ZKDatabase(snapLog);

            long zxid = ZxidUtils.makeZxid(0, 1);
            String path = "/foo";
            zkDb.processTxn(new TxnHeader(13,1000,zxid,30,ZooDefs.OpCode.create),
                                            new CreateTxn(path, "fpjwasalsohere".getBytes(), ZooDefs.Ids.OPEN_ACL_UNSAFE, false, 1));
            Stat stat = new Stat();
            Assert.assertEquals("fpjwasalsohere", new String(zkDb.getData(path, stat, null)));

            // Close files
            snapLog.close();
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        e = new TransactionEntry(hdr.getTime(), hdr.getClientId(), hdr.getCxid(), hdr.getZxid(), "closeSession");
    }
        break;
    case OpCode.create:
        if (r != null) {
      CreateTxn create = (CreateTxn)r;
      String path = create.getPath();
      e = new TransactionEntry(hdr.getTime(), hdr.getClientId(), hdr.getCxid(), hdr.getZxid(), "create", path);
        }
        break;
    case OpCode.setData:
        if (r != null) {
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      QuorumPacket qp = new QuorumPacket(Leader.SNAP, 0, null, null);
      oa.writeRecord(qp, null);
      sl.zk.getZKDatabase().serializeSnapshot(oa);
      oa.writeString("BenWasHere", "signature");
      TxnHeader hdr = new TxnHeader(0, 0, 0, 0, ZooDefs.OpCode.create);
      CreateTxn txn = new CreateTxn("/foo", new byte[0], new ArrayList<ACL>(), false, sl.zk.getZKDatabase().getNode("/").stat.getCversion());
          ByteArrayOutputStream tbaos = new ByteArrayOutputStream();
          BinaryOutputArchive boa = BinaryOutputArchive.getArchive(tbaos);
          hdr.serialize(boa, "hdr");
          txn.serialize(boa, "txn");
          tbaos.close();
      qp = new QuorumPacket(Leader.PROPOSAL, 1, tbaos.toByteArray(), null);
      oa.writeRecord(qp, null);

      // setup the messages to be streamed to follower
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            txnHeader = new TxnHeader(0xabcd, 0x123, prevPzxid + 1,
                System.currentTimeMillis(), OpCode.delete);
        } else if (type == OpCode.create) {
            txnHeader = new TxnHeader(0xabcd, 0x123, prevPzxid + 1,
                    System.currentTimeMillis(), OpCode.create);
            txn = new CreateTxn(path, new byte[0], null, false, cversion);
        }
        else if (type == OpCode.multi) {
            txnHeader = new TxnHeader(0xabcd, 0x123, prevPzxid + 1,
                    System.currentTimeMillis(), OpCode.create);
            txn = new CreateTxn(path, new byte[0], null, false, cversion);                      
            ArrayList txnList = new ArrayList();
            ByteArrayOutputStream baos = new ByteArrayOutputStream();
            BinaryOutputArchive boa = BinaryOutputArchive.getArchive(baos);
            txn.serialize(boa, "request") ;
            ByteBuffer bb = ByteBuffer.wrap(baos.toByteArray());
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    public void testPad() throws Exception {
        File tmpDir = ClientBase.createTmpDir();
        FileTxnLog txnLog = new FileTxnLog(tmpDir);
        TxnHeader txnHeader = new TxnHeader(0xabcd, 0x123, 0x123,
              System.currentTimeMillis(), OpCode.create);
        Record txn = new CreateTxn("/Test", new byte[0], null, false, 1);
        txnLog.append(txnHeader, txn);
        FileInputStream in = new FileInputStream(tmpDir.getPath() + "/log." +
              Long.toHexString(txnHeader.getZxid()));
        BinaryInputArchive ia  = BinaryInputArchive.getArchive(in);
        FileHeader header = new FileHeader();
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  • org.apache.zookeeper.server.persistence.FileTxnSnapLog
  • org.apache.zookeeper.server.PrepRequestProcessor
  • org.apache.zookeeper.server.quorum.LearnerTest
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  • org.apache.zookeeper.server.upgrade.DataTreeV1
  • org.apache.zookeeper.server.util.SerializeUtils
  • org.apache.zookeeper.test.LoadFromLogTest
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