Examples of org.neo4j.graphdb.index.BatchInserterIndexProvider

org.neo4j.graphdb.index.BatchInserterIndexProvider
A place to access {@link BatchInserterIndex}s from a certain index provider. Use together with {@link BatchInserter} to create indexes which later can beaccessed through {@link GraphDatabaseService#index()}. @author Mattias Persson

    @Test
    public void batchInsert()
    {
        // START SNIPPET: batchInsert
        BatchInserter inserter = new BatchInserterImpl( "target/neo4jdb-batchinsert" );
        BatchInserterIndexProvider indexProvider = new LuceneBatchInserterIndexProvider( inserter );
        BatchInserterIndex actors = indexProvider.nodeIndex( "actors", MapUtil.stringMap( "type", "exact" ) );
        actors.setCacheCapacity( "name", 100000 );


        Map<String, Object> properties = MapUtil.map( "name", "Keanu Reeves" );
        long node = inserter.createNode( properties );
        actors.add( node, properties );


        // Make sure to shut down the index provider
        indexProvider.shutdown();
        inserter.shutdown();
        // END SNIPPET: batchInsert
    }

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    }


    @Test
    public void testStartupAndShutdown() {
        BatchInserter inserter = new BatchInserterImpl( PATH );
        BatchInserterIndexProvider provider = new LuceneBatchInserterIndexProvider(
                inserter );
        BatchInserterIndex index = provider.nodeIndex( "users",
                LuceneIndexImplementation.EXACT_CONFIG );
        long id = inserter.createNode( null );
        index.add( id, map( "name", "Joe", "other", "Schmoe" ) );
        provider.shutdown();
        provider = new LuceneBatchInserterIndexProvider(
                inserter );
        index = provider.nodeIndex( "users",
                LuceneIndexImplementation.EXACT_CONFIG );
        index.add( id, map( "name", "Joe", "other", "Schmoe" ) );
        provider.shutdown();
        inserter.shutdown();
    }

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    {
        // Different paths for each tests because there's a bug (on Windows)
        // causing _0.cfs file to stay open 
        String path = new File( PATH, "1" ).getAbsolutePath();
        BatchInserter inserter = new BatchInserterImpl( path );
        BatchInserterIndexProvider provider = new LuceneBatchInserterIndexProvider(
                inserter );
        BatchInserterIndex index = provider.nodeIndex( "users", EXACT_CONFIG );
        Map<Integer, Long> ids = new HashMap<Integer, Long>();
        for ( int i = 0; i < 100; i++ )
        {
            long id = inserter.createNode( null );
            index.add( id, map( "name", "Joe" + i, "other", "Schmoe" ) );
            ids.put( i, id );
        }


        for ( int i = 0; i < 100; i++ )
        {
            assertContains( index.get( "name", "Joe" + i ), ids.get( i ) );
        }
        assertContains( index.query( "name:Joe0 AND other:Schmoe" ),
                ids.get( 0 ) );


        assertContains( index.query( "name", "Joe*" ),
                ids.values().toArray( new Long[ids.size()] ) );
        provider.shutdown();
        inserter.shutdown();


        GraphDatabaseService db = new EmbeddedGraphDatabase( path );
        assertTrue( db.index().existsForNodes( "users" ) );
        Index<Node> dbIndex = db.index().forNodes( "users" );

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    @Test
    public void testFulltext()
    {
        String path = new File( PATH, "2" ).getAbsolutePath();
        BatchInserter inserter = new BatchInserterImpl( path );
        BatchInserterIndexProvider provider = new LuceneBatchInserterIndexProvider(
                inserter );
        String name = "users";
        BatchInserterIndex index = provider.nodeIndex( name,
                stringMap( "type", "fulltext" ) );


        long id1 = inserter.createNode( null );
        index.add( id1, map( "name", "Mattias Persson", "email",
                "something@somewhere", "something", "bad" ) );
        long id2 = inserter.createNode( null );
        index.add( id2, map( "name", "Lars PerssoN" ) );
        index.flush();
        assertContains( index.get( "name", "Mattias Persson" ), id1 );
        assertContains( index.query( "name", "mattias" ), id1 );
        assertContains( index.query( "name", "bla" ) );
        assertContains( index.query( "name", "persson" ), id1, id2 );
        assertContains( index.query( "email", "*@*" ), id1 );
        assertContains( index.get( "something", "bad" ), id1 );
        long id3 = inserter.createNode( null );
        index.add( id3, map( "name", new String[] { "What Ever", "Anything" } ) );
        index.flush();
        assertContains( index.get( "name", "What Ever" ), id3 );
        assertContains( index.get( "name", "Anything" ), id3 );


        provider.shutdown();
        inserter.shutdown();


        GraphDatabaseService db = new EmbeddedGraphDatabase( path );
        Index<Node> dbIndex = db.index().forNodes( name );
        Node node1 = db.getNodeById( id1 );

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    @Ignore
    @Test
    public void testInsertionSpeed()
    {
        BatchInserter inserter = new BatchInserterImpl( new File( PATH, "3" ).getAbsolutePath() );
        BatchInserterIndexProvider provider = new LuceneBatchInserterIndexProvider( inserter );
        BatchInserterIndex index = provider.nodeIndex( "yeah", EXACT_CONFIG );
        index.setCacheCapacity( "key", 1000000 );
        long t = currentTimeMillis();
        for ( int i = 0; i < 1000000; i++ )
        {
            Map<String, Object> properties = map( "key", "value" + i );

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    @Test
    public void testCanIndexRelationships()
    {
        BatchInserter inserter = new BatchInserterImpl( new File( PATH, "5" ).getAbsolutePath() );
        BatchInserterIndexProvider indexProvider = new LuceneBatchInserterIndexProvider(
                inserter );
        BatchInserterIndex edgesIndex = indexProvider.relationshipIndex(
                "edgeIndex", stringMap( "provider", "lucene", "type", "exact" ) );


        long nodeId1 = inserter.createNode( map( "ID", "1" ) );
        long nodeId2 = inserter.createNode( map( "ID", "2" ) );
        long relationshipId = inserter.createRelationship( nodeId1, nodeId2,
                EdgeType.KNOWS, null );


        edgesIndex.add( relationshipId, map( "EDGE_TYPE", EdgeType.KNOWS.name() ) );
        edgesIndex.flush();


        assertEquals(
                String.format( "Should return relationship id" ),
                new Long( relationshipId ),
                edgesIndex.query( "EDGE_TYPE", EdgeType.KNOWS.name() ).getSingle() );


        indexProvider.shutdown();
        inserter.shutdown();
    }

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    @Test
    public void triggerNPEAfterFlush()
    {
        BatchInserter inserter = new BatchInserterImpl( new File( PATH, "6" ).getAbsolutePath() );
        BatchInserterIndexProvider provider = new LuceneBatchInserterIndexProvider( inserter );
        BatchInserterIndex index = provider.nodeIndex( "Node-exact", EXACT_CONFIG );
        
        Map<String, Object> map = map( "name", "Something" );
        long node = inserter.createNode( map );
        index.add( node, map );
        index.flush();
        assertContains( index.get( "name", "Something" ), node );
        
        provider.shutdown();
        inserter.shutdown();
    }

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    @Test
    public void testNumericValues()
    {
        String path = new File( PATH, "7" ).getAbsolutePath();
        BatchInserter inserter = new BatchInserterImpl( path );
        BatchInserterIndexProvider provider = new LuceneBatchInserterIndexProvider(
                inserter );
        BatchInserterIndex index = provider.nodeIndex( "mine", EXACT_CONFIG );
        
        long node1 = inserter.createNode( null );
        index.add( node1, map( "number", numeric( 45 ) ) );
        long node2 = inserter.createNode( null );
        index.add( node2, map( "number", numeric( 21 ) ) );
        assertContains( index.query( "number",
                newIntRange( "number", 21, 50, true, true ) ), node1, node2 );
        
        provider.shutdown();
        inserter.shutdown();
        
        GraphDatabaseService db = new EmbeddedGraphDatabase( path );
        Node n1 = db.getNodeById( node1 );
        Node n2 = db.getNodeById( node2 );

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    @Test
    public void indexNumbers() throws Exception
    {
        BatchInserter inserter = new BatchInserterImpl( new File( PATH, "8" ).getAbsolutePath() );
        BatchInserterIndexProvider provider = new LuceneBatchInserterIndexProvider(
                inserter );
        BatchInserterIndex index = provider.nodeIndex( "mine", EXACT_CONFIG );
        
        long id = inserter.createNode( null );
        Map<String, Object> props = new HashMap<String, Object>();
        props.put( "key", 123L );
        index.add( id, props );
        index.flush();
        
        assertEquals( 1, index.get( "key", 123L ).size() );
        assertEquals( 1, index.get( "key", "123" ).size() );
        
        provider.shutdown();
        inserter.shutdown();
    }

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Related Classes of org.neo4j.graphdb.index.BatchInserterIndexProvider

examples.ImdbExampleTest

org.neo4j.index.impl.lucene.TestLuceneBatchInsert

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