Examples of jdbm.helper.StringComparator

jdbm.helper.StringComparator
Comparator for String objects. Delegates to String.compareTo(). @author Alex Boisvert @version $Id: StringComparator.java,v 1.5 2005/06/25 23:12:31 doomdark Exp $

            tmpDir = new File( System.getProperty( TEST_OUTPUT_PATH ) );
        }


        dbFile = File.createTempFile( KeyCursorTest.class.getName(), "db", tmpDir );
        recman = new BaseRecordManager( dbFile.getAbsolutePath() );
        comparator = new StringComparator();
        bt = new BTree<String, byte[]>( recman, comparator );


        // add some data to it
        bt.insert( "0", Strings.EMPTY_BYTES, true );
        bt.insert( "1", Strings.EMPTY_BYTES, true );

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        // For bigIntegerMatch -> 1.2.6.1.4.1.18060.1.1.1.2.2
        comparator = new BigIntegerComparator();
        cb.schemaObjectProduced( this, "1.2.6.1.4.1.18060.1.1.1.2.2", comparator );


        // For jdbmStringMatch -> 1.2.6.1.4.1.18060.1.1.1.2.3
        comparator = new StringComparator();
        cb.schemaObjectProduced( this, "1.2.6.1.4.1.18060.1.1.1.2.3", comparator );


    }

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        // open database
        recman = RecordManagerFactory.createRecordManager( testFileName );


        // create a new B+Tree data structure
        btree = new BTree<String, Integer>( recman, new StringComparator() );
        recman.setNamedObject( "testbtree", btree.getRecordId() );


        // action:
        // insert data
        for( int count = 0; count < iterations; count++ )

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    {
        RecordManager recman;
        BTree<String, Object> tree;


        recman = RecordManagerFactory.createRecordManager( getTemporaryFile( "testInsert" ) );
        tree = new BTree<String, Object>( recman, new StringComparator() );


        // insert different objects and retrieve them
        tree.insert( "test1", "value1", false );
        tree.insert( "test2", "value2", false );
        tree.insert( "one", Integer.valueOf( 1 ), false );

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    public void testInsertMany() throws IOException
    {
        BTree<String, String> tree;


        RecordManager recordManager = RecordManagerFactory.createRecordManager( getTemporaryFile( "testInsertMany" ) );
        tree = new BTree<String, String>( recordManager, new StringComparator() );
        tree.setPageSize( 4 );


        // insert different objects and retrieve them
        tree.insert( "test1", "value1", false );
        tree.insert( "test2", "value2", false );

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    {
        RecordManager recman;
        BTree<String, Object> tree;


        recman = RecordManagerFactory.createRecordManager( getTemporaryFile( "testRemove" ) );
        tree = new BTree<String, Object>( recman, new StringComparator() );


        tree.insert( "test1", "value1", false );
        tree.insert( "test2", "value2", false );


        assertEquals( "value1", tree.find( "test1" ) );

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    {
        RecordManager recman;
        BTree<String, String> tree;


        recman = RecordManagerFactory.createRecordManager( getTemporaryFile( "testFind" ) );
        tree = new BTree<String, String>( recman, new StringComparator() );


        tree.insert( "test1", "value1", false );
        tree.insert( "test2", "value2", false );


        Object value = tree.find( "test1" );

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        BTree<String, Object> tree;


        recman = RecordManagerFactory.createRecordManager( getTemporaryFile( "testLargeDataAmount" ) );


        // recman = new jdbm.recman.BaseRecordManager( "test" );
        tree = new BTree<String, Object>( recman, new StringComparator() );
        int iterations = 10000;


        // insert data
        for ( int count = 0; count < iterations; count++ )
        {

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    {
        RecordManager recman;
        BTree<String, Integer> tree;


        recman = RecordManagerFactory.createRecordManager( getTemporaryFile( "testMultithreadAccess" ) );
        tree = new BTree<String, Integer>( recman, new StringComparator() );
        TestThread<String, Integer>[] threadPool = ( TestThread<String, Integer>[] ) new TestThread[THREAD_NUMBER];
        String name;
        Map<String, Integer> content;


        // create content for the tree, different content for different threads!

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                System.out.println( "Reloaded existing BTree with " + tree.size()
                                    + " famous people." );
            } else {
                // create a new B+Tree data structure and use a StringComparator
                // to order the records based on people's name.
                tree = BTree.createInstance( recman, new StringComparator() );
                recman.setNamedObject( BTREE_NAME, tree.getRecid() );
                System.out.println( "Created a new empty BTree" );
            }


            // insert people with their respective occupation

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