Examples of org.neo4j.graphdb.GraphDatabaseService.index()

Class org.neo4j.graphdb.GraphDatabaseService

Examples of org.neo4j.graphdb.GraphDatabaseService.index()

org.neo4j.graphdb.GraphDatabaseService.index()
Returns the {@link IndexManager} paired with this graph database serviceand is the entry point for managing indexes coupled with this database. @return the {@link IndexManager} for this database.


            Transaction tx = rawGraphDB.beginTx();
            try {
                GlobalGraphOperations graphOperations = GlobalGraphOperations.at(rawGraphDB);
                if (this.vertexIndexKeys.size() > 0)
                    populateKeyIndices(rawGraphDB, rawGraphDB.index().getNodeAutoIndexer(), graphOperations.getAllNodes(), Vertex.class);
                if (this.edgeIndexKeys.size() > 0)
                    populateKeyIndices(rawGraphDB, rawGraphDB.index().getRelationshipAutoIndexer(), graphOperations.getAllRelationships(), Edge.class);
                tx.success();
            } finally {
                tx.close();

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            try {
                GlobalGraphOperations graphOperations = GlobalGraphOperations.at(rawGraphDB);
                if (this.vertexIndexKeys.size() > 0)
                    populateKeyIndices(rawGraphDB, rawGraphDB.index().getNodeAutoIndexer(), graphOperations.getAllNodes(), Vertex.class);
                if (this.edgeIndexKeys.size() > 0)
                    populateKeyIndices(rawGraphDB, rawGraphDB.index().getRelationshipAutoIndexer(), graphOperations.getAllRelationships(), Edge.class);
                tx.success();
            } finally {
                tx.close();
            }
        } catch (Exception e) {

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                tx.finish();
            }


            GlobalGraphOperations graphOperations = GlobalGraphOperations.at(rawGraphDB);
            if (this.vertexIndexKeys.size() > 0)
                populateKeyIndices(rawGraphDB, rawGraphDB.index().getNodeAutoIndexer(), graphOperations.getAllNodes(), Vertex.class);
            if (this.edgeIndexKeys.size() > 0)
                populateKeyIndices(rawGraphDB, rawGraphDB.index().getRelationshipAutoIndexer(), graphOperations.getAllRelationships(), Edge.class);
        } catch (Exception e) {
            throw new RuntimeException(e.getMessage(), e);
        } finally {

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            GlobalGraphOperations graphOperations = GlobalGraphOperations.at(rawGraphDB);
            if (this.vertexIndexKeys.size() > 0)
                populateKeyIndices(rawGraphDB, rawGraphDB.index().getNodeAutoIndexer(), graphOperations.getAllNodes(), Vertex.class);
            if (this.edgeIndexKeys.size() > 0)
                populateKeyIndices(rawGraphDB, rawGraphDB.index().getRelationshipAutoIndexer(), graphOperations.getAllRelationships(), Edge.class);
        } catch (Exception e) {
            throw new RuntimeException(e.getMessage(), e);
        } finally {
            if (rawGraphDB != null) rawGraphDB.shutdown();
        }

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        final GraphDatabaseService gdb = new TestGraphDatabaseFactory().newImpermanentDatabase();
        final Thread t = new Thread() {
            @Override
            public void run() {
                final Transaction tx = gdb.beginTx();
                final Index<Node> index = gdb.index().forNodes("Test");
                assertEquals("Test", gdb.index().nodeIndexNames()[0]);
                tx.success();
                tx.close();
            }
        };

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        final Thread t = new Thread() {
            @Override
            public void run() {
                final Transaction tx = gdb.beginTx();
                final Index<Node> index = gdb.index().forNodes("Test");
                assertEquals("Test", gdb.index().nodeIndexNames()[0]);
                tx.success();
                tx.close();
            }
        };
        t.start();t.join();

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        t.start();t.join();
        Transaction tx = gdb.beginTx();
        try {
            final ExecutionResult result = new ExecutionEngine(gdb).execute("start n=node:Test('name:*') return n");
            assertEquals(0,IteratorUtil.count(result));
            assertEquals("Test", gdb.index().nodeIndexNames()[0]);
        } finally {
            tx.success();tx.close();
        }
    }
}

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        GraphDatabaseService graphDb = getConnection();
        List<Object> entities = new ArrayList<Object>();


        if (!indexer.isNodeAutoIndexingEnabled(graphDb) && m.isIndexable())
        {
            Index<Node> nodeIndex = graphDb.index().forNodes(m.getIndexName());


            IndexHits<Node> hits = nodeIndex.query(luceneQuery);
            addEntityFromIndexHits(m, entities, hits);
        }
        else

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            addEntityFromIndexHits(m, entities, hits);
        }
        else
        {


            ReadableIndex<Node> autoNodeIndex = graphDb.index().getNodeAutoIndexer().getAutoIndex();
            IndexHits<Node> hits = autoNodeIndex.query(luceneQuery);
            addEntityFromIndexHits(m, entities, hits);


        }
        return entities;

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        GraphDatabaseService graphDb = new EmbeddedGraphDatabase( "target/graphdb-delete" );
        Transaction transaction = graphDb.beginTx();
        try
        {
            // START SNIPPET: delete
            IndexManager index = graphDb.index();
            Index<Node> actors = index.forNodes( "actors" );
            actors.delete();
            // END SNIPPET: delete
            transaction.success();
        }

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