Package org.apache.activeio.journal

Examples of org.apache.activeio.journal.RecordLocation

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        // checkpoint tx operations in to long term store until they are
        // committed.
        // But we keep track of the first location of an operation
        // that was associated with an active tx. The journal can not
        // roll over active tx records.
        RecordLocation rc = null;
        synchronized (inflightTransactions) {
            for (Iterator<Tx> iter = inflightTransactions.values().iterator(); iter.hasNext();) {
                Tx tx = iter.next();
                RecordLocation location = tx.location;
                if (rc == null || rc.compareTo(location) < 0) {
                    rc = location;
                }
            }
        }
        synchronized (preparedTransactions) {
            for (Iterator<Tx> iter = preparedTransactions.values().iterator(); iter.hasNext();) {
                Tx tx = iter.next();
                RecordLocation location = tx.location;
                if (rc == null || rc.compareTo(location) < 0) {
                    rc = location;
                }
            }
            return rc;
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        }
        // assertTrue( !logDirectory.exists() );
    }

    public void testLogFileCreation() throws IOException {
        RecordLocation mark = journal.getMark();
        assertNull(mark);
    }
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    @SuppressWarnings("unchecked")
    public void testAppendAndRead() throws InvalidRecordLocationException, InterruptedException, IOException {

        Packet data1 = createPacket("Hello World 1");
        RecordLocation location1 = journal.write(data1, false);
        Packet data2 = createPacket("Hello World 2");
        RecordLocation location2 = journal.write(data2, false);
        Packet data3 = createPacket("Hello World 3");
        RecordLocation location3 = journal.write(data3, false);

        // Thread.sleep(1000);

        // Now see if we can read that data.
        Packet data;
        data = journal.read(location2);
        assertEquals(data2, data);
        data = journal.read(location1);
        assertEquals(data1, data);
        data = journal.read(location3);
        assertEquals(data3, data);

        // Can we cursor the data?
        RecordLocation l = journal.getNextRecordLocation(null);
        int t = l.compareTo(location1);
        assertEquals(0, t);
        data = journal.read(l);
        assertEquals(data1, data);

        l = journal.getNextRecordLocation(l);
        assertEquals(0, l.compareTo(location2));
        data = journal.read(l);
        assertEquals(data2, data);

        l = journal.getNextRecordLocation(l);
        assertEquals(0, l.compareTo(location3));
        data = journal.read(l);
        assertEquals(data3, data);

        l = journal.getNextRecordLocation(l);
        assertNull(l);
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    }

    public void testReadOnlyRead() throws InvalidRecordLocationException, InterruptedException, IOException {
     
      Packet data1 = createPacket("Hello World 1");
        RecordLocation location1 = journal.write(data1, false);
        Packet data2 = createPacket("Hello World 2");
        RecordLocation location2 = journal.write(data2, false);
        Packet data3 = createPacket("Hello World 3");
        RecordLocation location3 = journal.write(data3, false);
       
        Packet packet;
        packet = journal.read(location2);
        assertEquals(data2, packet);
        packet = journal.read(location1);
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Related Classes of org.apache.activeio.journal.RecordLocation

  • org.apache.activemq.kaha.impl.async.JournalImplTest
  • org.apache.activemq.store.journal.JournalMessageStore
  • org.apache.activemq.store.journal.JournalPersistenceAdapter
  • org.apache.activemq.store.journal.JournalTopicMessageStore
  • org.apache.activemq.store.journal.JournalTransactionStore
  • org.apache.activemq.store.journal.QuickJournalMessageStore
  • org.apache.activemq.store.journal.QuickJournalPersistenceAdapter
  • org.apache.activemq.store.journal.QuickJournalTopicMessageStore
  • org.apache.activemq.store.journal.QuickJournalTransactionStore
  • org.apache.activemq.store.rapid.RapidMessageStore
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