Examples of org.neo4j.graphdb.index.IndexManager.forNodes()

Class org.neo4j.graphdb.index.IndexManager

Examples of org.neo4j.graphdb.index.IndexManager.forNodes()

org.neo4j.graphdb.index.IndexManager.forNodes()
Returns an {@link Index} for {@link Node}s with the name {@code indexName}. If such an index doesn't exist it will be created with default configuration. Indexes created with {@link #forNodes(String,Map)} can be returned by thismethod also, so that you don't have to supply and match its configuration for consecutive accesses. This is the prefered way of accessing indexes, whether they were created with {@link #forNodes(String)} or {@link #forNodes(String,Map)}. @param indexName the name of the node index. @return the {@link Index} corresponding to the {@code indexName}.


    @Test
    public void removeFromIndex()
    {
        IndexManager index = graphDb.index();
        Index<Node> actors = index.forNodes( "actors" );
        Node bellucci = actors.get( "name", "Monica Bellucci" ).getSingle();
        assertNotNull( bellucci );


        // START SNIPPET: removeNodeFromIndex
        // completely remove bellucci from the actors index

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    @Test
    public void update()
    {
        IndexManager index = graphDb.index();
        Index<Node> actors = index.forNodes( "actors" );


        // START SNIPPET: update
        // create a node with a property
        Node fishburn = graphDb.createNode();
        fishburn.setProperty( "name", "Fishburn" );

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    @Test
    public void doQueriesForNodes()
    {
        IndexManager index = graphDb.index();
        Index<Node> actors = index.forNodes( "actors" );
        Index<Node> movies = index.forNodes( "movies" );
        Set<String> found = new HashSet<String>();
        @SuppressWarnings( "serial" ) Set<String> expectedActors = new HashSet<String>()
        {
            {

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    @Test
    public void doQueriesForNodes()
    {
        IndexManager index = graphDb.index();
        Index<Node> actors = index.forNodes( "actors" );
        Index<Node> movies = index.forNodes( "movies" );
        Set<String> found = new HashSet<String>();
        @SuppressWarnings( "serial" ) Set<String> expectedActors = new HashSet<String>()
        {
            {
                add( "Monica Bellucci" );

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    public void doQueriesForRelationships()
    {
        IndexManager index = graphDb.index();
        RelationshipIndex roles = index.forRelationships( "roles" );
        Index<Node> actors = graphDb.index().forNodes( "actors" );
        Index<Node> movies = index.forNodes( "movies" );


        Node reeves = actors.get( "name", "Keanu Reeves" ).getSingle();
        Node theMatrix = movies.get( "title", "The Matrix" ).getSingle();


        // START SNIPPET: queryForRelationships

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    @Test
    public void fulltext()
    {
        // START SNIPPET: fulltext
        IndexManager index = graphDb.index();
        Index<Node> fulltextMovies = index.forNodes( "movies-fulltext",
                MapUtil.stringMap( "provider", "lucene", "type", "fulltext" ) );
        // END SNIPPET: fulltext


        Index<Node> movies = index.forNodes( "movies" );
        Node theMatrix = movies.get( "title", "The Matrix" ).getSingle();

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        IndexManager index = graphDb.index();
        Index<Node> fulltextMovies = index.forNodes( "movies-fulltext",
                MapUtil.stringMap( "provider", "lucene", "type", "fulltext" ) );
        // END SNIPPET: fulltext


        Index<Node> movies = index.forNodes( "movies" );
        Node theMatrix = movies.get( "title", "The Matrix" ).getSingle();
        Node theMatrixReloaded = movies.get( "title", "The Matrix Reloaded" ).getSingle();


        // START SNIPPET: fulltext
        fulltextMovies.add( theMatrix, "title", "The Matrix" );

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        try
        {
            IndexManager indexManager = graphDb.index();
            Assert.assertFalse( indexManager.existsForRelationships( indexName ) );
            Assert.assertTrue( indexManager.existsForNodes( indexName ) );
            Assert.assertNotNull( indexManager.forNodes( indexName ) );
            Index<Node> nodes = graphDb.index().forNodes( indexName );
            Assert.assertTrue( nodes.get( "name", "test" ).hasNext() );
            tx.success();
            tx.finish();
        }

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        {
            if ( !indexManager.existsForNodes( indexName ) )
            {
                continue;
            }
            Index<Node> nodeIndex = indexManager.forNodes( indexName );
            Iterable<Node> hits;
            switch ( search.getMode() )
            {
            case EXACT_MATCH:
                hits = nodeIndex.get( search.getKey(), search.getValueOrQuery() );

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