Examples of org.apache.directory.api.ldap.model.csn.Csn

Package org.apache.directory.api.ldap.model.csn

Examples of org.apache.directory.api.ldap.model.csn.Csn

org.apache.directory.api.ldap.model.csn.Csn
.ietf.org/html/draft-ietf-ldup-model-09. The CSN syntax is :
```
             ::=  #  #  #        ::= A GMT based time, YYYYmmddHHMMSS.uuuuuuZ     ::= [000000-ffffff]        ::= [000-fff]  ::= [000000-ffffff] 
```
It distinguishes a change made on an object on a server, and if two operations take place during the same timeStamp, the operation sequence number makes those operations distinct. @author Apache Directory Project


        UUID uuid = UUID.randomUUID();
        entry.add( SchemaConstants.ENTRY_UUID_AT, uuid.toString() );


        CsnFactory csnFac = new CsnFactory( 0 );
        Csn csn = csnFac.newInstance();
        entry.add( SchemaConstants.ENTRY_CSN_AT, csn.toString() );


        con.add( entry );


        // Analyze entry and description attribute
        Entry addedEntry = con.lookup( dn, "*", "+" );
        assertNotNull( addedEntry );


        Attribute attr = addedEntry.get( SchemaConstants.ENTRY_UUID_AT );
        assertNotNull( attr );


        assertEquals( uuid.toString(), attr.getString() );


        attr = addedEntry.get( SchemaConstants.ENTRY_CSN_AT );
        assertNotNull( attr );
        assertEquals( csn.toString(), attr.getString() );


        // Remove entry
        con.delete( dn );
        con.unBind();
    }

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                    System.out.println( entryDn.getName() + " exists " );
                }


                Entry providerEntry = providerSession.lookup( entryDn, "*", "+" );
                Entry consumerEntry = consumerSession.lookup( entryDn, "*", "+" );
                Csn providerCSN = new Csn( providerEntry.get( SchemaConstants.ENTRY_CSN_AT ).getString() );
                Csn consumerCSN = new Csn( consumerEntry.get( SchemaConstants.ENTRY_CSN_AT ).getString() );
                if ( consumerCSN.compareTo( providerCSN ) >= 0 )
                {
                    if ( print )
                    {
                        System.out.println( entryDn.getName() + " replicated " );
                    }

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                            ldifEntry.addAttribute( SchemaConstants.ENTRY_UUID_AT, entryUuid.toString() );
                        }
                        if ( ldifEntry.get( SchemaConstants.ENTRY_CSN_AT ) == null )
                        {
                            // No CSN, let's create one
                            Csn csn = csnFactory.newInstance();
                            ldifEntry.addAttribute( SchemaConstants.ENTRY_CSN_AT, csn.toString() );
                        }
    
                        first = false;
                    }
                    else

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     * starting in the middle.
     */
    @Test
    public void testJournalWriting() throws Exception
    {
        Csn entryCsn = csnFactory.newInstance();
        Csn firstCsn = entryCsn;
        Csn csn100 = null;


        for ( int i = 0; i < 1000; i++ )
        {
            if ( i == 100 )
            {
                csn100 = entryCsn;
            }


            Entry entry = new DefaultEntry( schemaManager, "ou=test" + i + ",ou=system",
                "ObjectClass: top",
                "ObjectClass: organizationalUnit",
                "ou", "test" + i,
                "entryCsn", entryCsn.toString()
                );


            ReplicaEventMessage replicaEventMessage = new ReplicaEventMessage( ChangeType.ADD, entry );
            journal.put( entryCsn.toString(), replicaEventMessage );
            journal.sync();


            entryCsn = csnFactory.newInstance();
        }


        // Now check that the ReplicaEventMessages has been written
        ReplicaEventMessage firstMessage = journal.get( firstCsn.toString() );


        assertEquals( ChangeType.ADD, firstMessage.getChangeType() );
        assertEquals( "test0", firstMessage.getEntry().get( "ou" ).getString() );


        // Read entry from the 100th element
        Cursor<Tuple<String, ReplicaEventMessage>> cursor = journal.cursor( csn100.toString() );
        int pos = 100;


        while ( cursor.next() )
        {
            Tuple<String, ReplicaEventMessage> tuple = cursor.get();

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     * remaining ones.
     */
    @Test
    public void testJournalTruncate() throws Exception
    {
        Csn entryCsn = csnFactory.newInstance();


        for ( int i = 0; i < 1000; i++ )
        {
            Entry entry = new DefaultEntry( schemaManager, "ou=test" + i + ",ou=system",
                "ObjectClass: top",
                "ObjectClass: organizationalUnit",
                "ou", "test" + i,
                "entryCsn", entryCsn.toString()
                );


            ReplicaEventMessage replicaEventMessage = new ReplicaEventMessage( ChangeType.ADD, entry );
            journal.put( entryCsn.toString(), replicaEventMessage );
            journal.sync();


            entryCsn = csnFactory.newInstance();
        }

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     */
    @Test
    @Ignore("Performance test")
    public void testJournalPerf() throws Exception
    {
        Csn entryCsn = csnFactory.newInstance();


        // The write perf
        long t0 = System.currentTimeMillis();


        for ( int i = 0; i < 100000; i++ )
        {
            Entry entry = new DefaultEntry( schemaManager, "ou=test" + i + ",ou=system",
                "ObjectClass: top",
                "ObjectClass: organizationalUnit",
                "ou", "test" + i,
                "entryCsn", entryCsn.toString()
                );


            ReplicaEventMessage replicaEventMessage = new ReplicaEventMessage( ChangeType.ADD, entry );
            journal.put( entryCsn.toString(), replicaEventMessage );
            journal.sync();
            recman.commit();


            entryCsn = csnFactory.newInstance();
        }

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    @Test
    public void testNullCSNs()
    {
        assertEquals( 0, comparator.compare( null, null ) );


        Csn csn2 = new Csn( System.currentTimeMillis(), 1, 1, 1 );
        assertEquals( -1, comparator.compare( null, csn2.toString() ) );


        assertEquals( 1, comparator.compare( csn2.toString(), null ) );
    }

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    @Test
    public void testEqualsCSNs()
    {
        long t0 = System.currentTimeMillis();
        Csn csn1 = new Csn( t0, 0, 0, 0 );
        Csn csn2 = new Csn( t0, 0, 0, 0 );


        assertEquals( 0, comparator.compare( csn1.toString(), csn2.toString() ) );
    }

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    @Test
    public void testDifferentTimeStampCSNs()
    {
        long t0 = System.currentTimeMillis();
        long t1 = System.currentTimeMillis() + 1000;
        Csn csn1 = new Csn( t0, 0, 0, 0 );
        Csn csn2 = new Csn( t1, 0, 0, 0 );


        assertEquals( -1, comparator.compare( csn1.toString(), csn2.toString() ) );
        assertEquals( 1, comparator.compare( csn2.toString(), csn1.toString() ) );
    }

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    @Test
    public void testDifferentChangeCountCSNs()
    {
        long t0 = System.currentTimeMillis();
        Csn csn1 = new Csn( t0, 0, 0, 0 );
        Csn csn2 = new Csn( t0, 1, 0, 0 );


        assertEquals( -1, comparator.compare( csn1.toString(), csn2.toString() ) );
        assertEquals( 1, comparator.compare( csn2.toString(), csn1.toString() ) );
    }

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