Package org.apache.zookeeper.txn

Examples of org.apache.zookeeper.txn.TxnHeader

610
611
612
613
614
615
616
617
618
619
620
                crc.update(bytes, 0, bytes.length);
                if (crcValue != crc.getValue())
                    throw new IOException(CRC_ERROR);
                if (bytes == null || bytes.length == 0)
                    return false;
                hdr = new TxnHeader();
                record = SerializeUtils.deserializeTxn(bytes, hdr);
            } catch (EOFException e) {
                LOG.debug("EOF excepton " + e);
                inputStream.close();
                inputStream = null;
View Full Code Here
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
            PlayBackListener listener) throws IOException {
        snapLog.deserialize(dt, sessions);
        FileTxnLog txnLog = new FileTxnLog(dataDir);
        TxnIterator itr = txnLog.read(dt.lastProcessedZxid+1);
        long highestZxid = dt.lastProcessedZxid;
        TxnHeader hdr;
        while (true) {
            // iterator points to
            // the first valid txn when initialized
            hdr = itr.getHeader();
            if (hdr == null) {
                //empty logs
                return dt.lastProcessedZxid;
            }
            if (hdr.getZxid() < highestZxid && highestZxid != 0) {
                LOG.error(highestZxid + "(higestZxid) > "
                        + hdr.getZxid() + "(next log) for type "
                        + hdr.getType());
            } else {
                highestZxid = hdr.getZxid();
            }
            try {
                processTransaction(hdr,dt,sessions, itr.getTxn());
            } catch(KeeperException.NoNodeException e) {
               throw new IOException("Failed to process transaction type: " +
                     hdr.getType() + " error: " + e.getMessage(), e);
            }
            listener.onTxnLoaded(hdr, itr.getTxn());
            if (!itr.next())
                break;
        }
View Full Code Here
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
        // verify that the truncation and subsequent append were processed
        // correctly
        FileTxnLog txnlog = new FileTxnLog(new File(tmpdir, "version-2"));
        TxnIterator iter = txnlog.read(1);

        TxnHeader hdr = iter.getHeader();
        Record txn = iter.getTxn();
        Assert.assertEquals(1, hdr.getZxid());
        Assert.assertTrue(txn instanceof SetDataTxn);

        iter.next();

        hdr = iter.getHeader();
        txn = iter.getTxn();
        Assert.assertEquals(200, hdr.getZxid());
        Assert.assertTrue(txn instanceof SetDataTxn);
        iter.close();
        ClientBase.recursiveDelete(tmpdir);
    }
View Full Code Here
140
141
142
143
144
145
146
147
148
149
150
        ClientBase.recursiveDelete(tmpdir);
    }

    private void append(ZKDatabase zkdb, int i) throws IOException {
        TxnHeader hdr = new TxnHeader(1, 1, i, 1, ZooDefs.OpCode.setData);
        Record txn = new SetDataTxn("/foo" + i, new byte[0], 1);
        Request req = new Request(0, 0, 0, hdr, txn, 0);

        zkdb.append(req);
        zkdb.commit();
View Full Code Here
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
            PlayBackListener listener) throws IOException {
        snapLog.deserialize(dt, sessions);
        FileTxnLog txnLog = new FileTxnLog(dataDir);
        TxnIterator itr = txnLog.read(dt.lastProcessedZxid+1);
        long highestZxid = dt.lastProcessedZxid;
        TxnHeader hdr;
        while (true) {
            // iterator points to
            // the first valid txn when initialized
            hdr = itr.getHeader();
            if (hdr == null) {
                //empty logs
                return dt.lastProcessedZxid;
            }
            if (hdr.getZxid() < highestZxid && highestZxid != 0) {
                LOG.error(highestZxid + "(higestZxid) > "
                        + hdr.getZxid() + "(next log) for type "
                        + hdr.getType());
            } else {
                highestZxid = hdr.getZxid();
            }
            try {
              processTransaction(hdr,dt,sessions, itr.getTxn());
            } catch(KeeperException.NoNodeException e) {
              throw new IOException("Failed to process transaction type: " +
                  hdr.getType() + " error: " + e.getMessage());
            }
            if (!itr.next())
                break;
        }
        return highestZxid;
View Full Code Here
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
        // verify that the truncation and subsequent append were processed
        // correctly
        FileTxnLog txnlog = new FileTxnLog(new File(tmpdir, "version-2"));
        TxnIterator iter = txnlog.read(1);

        TxnHeader hdr = iter.getHeader();
        Record txn = iter.getTxn();
        Assert.assertEquals(1, hdr.getZxid());
        Assert.assertTrue(txn instanceof SetDataTxn);

        iter.next();

        hdr = iter.getHeader();
        txn = iter.getTxn();
        Assert.assertEquals(200, hdr.getZxid());
        Assert.assertTrue(txn instanceof SetDataTxn);
    }
View Full Code Here
109
110
111
112
113
114
115
116
117
118
119
        Assert.assertEquals(200, hdr.getZxid());
        Assert.assertTrue(txn instanceof SetDataTxn);
    }

    private void append(ZKDatabase zkdb, int i) throws IOException {
        TxnHeader hdr = new TxnHeader(1, 1, i, 1, ZooDefs.OpCode.setData);
        Record txn = new SetDataTxn("/foo" + i, new byte[0], 1);
        Request req = new Request(null, 0, 0, 0, null, null);
        req.hdr = hdr;
        req.txn = txn;
View Full Code Here
181
182
183
184
185
186
187
188
189
190
191
            break;
        case Leader.PROPOSAL:
            type = "PROPOSAL";
            BinaryInputArchive ia = BinaryInputArchive
                    .getArchive(new ByteArrayInputStream(p.getData()));
            TxnHeader hdr = new TxnHeader();
            try {
                txn = SerializeUtils.deserializeTxn(ia, hdr);
                // mess = "transaction: " + txn.toString();
            } catch (IOException e) {
                LOG.warn("Unexpected exception",e);
View Full Code Here
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
  FileTxnLog txnLog = new FileTxnLog(logDir);

        TxnIterator itr = txnLog.read(0);
        long expectedZxid = 0;
        long lastZxid = 0;
        TxnHeader hdr;
        do {
            hdr = itr.getHeader();
            expectedZxid++;
            Assert.assertTrue("not the same transaction. lastZxid=" + lastZxid + ", zxid=" + hdr.getZxid(), lastZxid != hdr.getZxid());
            Assert.assertTrue("excepting next transaction. expected=" + expectedZxid + ", retreived=" + hdr.getZxid(), (hdr.getZxid() == expectedZxid));
            lastZxid = hdr.getZxid();
        }while(itr.next());
 
        Assert.assertTrue("processed all transactions. " + expectedZxid + " == " + TOTAL_TRANSACTIONS, (expectedZxid == TOTAL_TRANSACTIONS));
    }
View Full Code Here
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
        }
        LOG.info("Children: " + childStr + " for " + parentName);
        LOG.info("(cverions, pzxid): " + prevCversion + ", " + prevPzxid);
       
        Record txn = null;
        TxnHeader txnHeader = null;
        if (type == OpCode.delete) {
            txn = new DeleteTxn(path);
            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());
            Txn txact = new Txn(OpCode.create,  bb.array());
            txnList.add(txact);
            txn = new MultiTxn(txnList);
            txnHeader = new TxnHeader(0xabcd, 0x123, prevPzxid + 1,
                    System.currentTimeMillis(), OpCode.multi);
        }
        logFile.processTransaction(txnHeader, dt, null, txn);

        int newCversion = parent.stat.getCversion();
View Full Code Here
TOP

Related Classes of org.apache.zookeeper.txn.TxnHeader

  • com.linkedin.helix.tools.ZKLogFormatter
  • com.netflix.exhibitor.core.index.ZooKeeperLogParser
  • org.apache.helix.tools.ZKLogFormatter
  • org.apache.zookeeper.graph.TxnLogSource
  • org.apache.zookeeper.graph.TxnLogSource$TxnLogSourceIterator
  • org.apache.zookeeper.server.DataTree
  • org.apache.zookeeper.server.FinalRequestProcessor
  • org.apache.zookeeper.server.LogFormatter
  • org.apache.zookeeper.server.persistence.FileTxnLog
  • org.apache.zookeeper.server.persistence.FileTxnLog$FileTxnIterator
    • Copyright © 2018 www.massapicom. All rights reserved.
    All source code are property of their respective owners. Java is a trademark of Sun Microsystems, Inc and owned by ORACLE Inc. Contact coftware#gmail.com.