Package org.neo4j.kernel.impl.nioneo.store

Examples of org.neo4j.kernel.impl.nioneo.store.IdGenerator.nextId()

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        {
            Config config = getConfig( db );
            IdGenerator generator = config.getIdGeneratorFactory().get( IdType.NODE );
            for ( int i = 0; i < count; i++ )
            {
                generator.nextId();
            }
            return null;
        }
    }
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        IdGenerator idGenerator = new JumpingIdGeneratorFactory( 10 ).get( IdType.NODE );
        JumpingFileChannel channel = (JumpingFileChannel) offsettedFileSystem.open( fileName, "rw" );
       
        for ( int i = 0; i < 16; i++ )
        {
            writeSomethingLikeNodeRecord( channel, idGenerator.nextId(), i );
        }
       
        channel.close();
        channel = (JumpingFileChannel) offsettedFileSystem.open( fileName, "rw" );
        idGenerator = new JumpingIdGeneratorFactory( 10 ).get( IdType.NODE );
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        channel = (JumpingFileChannel) offsettedFileSystem.open( fileName, "rw" );
        idGenerator = new JumpingIdGeneratorFactory( 10 ).get( IdType.NODE );
       
        for ( int i = 0; i < 16; i++ )
        {
            assertEquals( i, readSomethingLikeNodeRecord( channel, idGenerator.nextId() ) );
        }
       
        channel.close();
    }
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        int sizePerJump = 1000;
        IdGeneratorFactory factory = new JumpingIdGeneratorFactory( sizePerJump );
        IdGenerator generator = factory.get( IdType.NODE );
        for ( int i = 0; i < sizePerJump/2; i++ )
        {
            assertEquals( (long)i, generator.nextId() );
        }
       
        for ( int i = 0; i < sizePerJump-1; i++ )
        {
            long expected = 0x100000000L-sizePerJump/2+i;
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            long expected = 0x100000000L-sizePerJump/2+i;
            if ( expected >= 0xFFFFFFFFL )
            {
                expected++;
            }
            assertEquals( expected, generator.nextId() );
        }

        for ( int i = 0; i < sizePerJump; i++ )
        {
            assertEquals( 0x200000000L-sizePerJump/2+i, generator.nextId() );
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            assertEquals( expected, generator.nextId() );
        }

        for ( int i = 0; i < sizePerJump; i++ )
        {
            assertEquals( 0x200000000L-sizePerJump/2+i, generator.nextId() );
        }

        for ( int i = 0; i < sizePerJump; i++ )
        {
            assertEquals( 0x300000000L-sizePerJump/2+i, generator.nextId() );
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            assertEquals( 0x200000000L-sizePerJump/2+i, generator.nextId() );
        }

        for ( int i = 0; i < sizePerJump; i++ )
        {
            assertEquals( 0x300000000L-sizePerJump/2+i, generator.nextId() );
        }
    }
   
    @Test
    public void testOffsettedFileChannel() throws Exception
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