The Neo4j official Java driver's session object has a method to explicitly mark queries as read only.

 

Version 4 of the Neo4j Java driver uses the readTransaction function:

public List<String> getActors(String movieName) {
        String readQuery = "MATCH (p:Person)-[:ACTED_IN]->(m) " +
        "WHERE toLower(m.title) CONTAINS toLower($title) " +
        "RETURN DISTINCT p.name as actorsTx";        
        try (Session session = driver.session()) {
            return session.readTransaction(tx -> {
                List<String> actors = new ArrayList<>();
                Result result = tx.run(readQuery,parameters("title", movieName));
                while (result.hasNext()) {
                    actors.add(result.next().get(0).asString());
                }
                for (String a : actors) {
                    System.out.println(String.format("Found actor: %s", a));                    
                }
                return actors;
            });
        }

 

For Versions 5 and 6 of the Neo4j Java driver, readTransaction was deprecated and replaced with executeRead:

 public List<String> getActors(String movieName) {
        String readQuery = "MATCH (p:Person)-[:ACTED_IN]->(m) " +
        "WHERE toLower(m.title) CONTAINS toLower($title) " +
        "RETURN DISTINCT p.name as actorsTx";        
        try (Session session = driver.session()) {
            return session.executeRead(tx -> {
                List<String> actors = new ArrayList<>();
                Result result = tx.run(readQuery,parameters("title", movieName));
                while (result.hasNext()) {
                    actors.add(result.next().get(0).asString());
                }
                for (String a : actors) {
                    System.out.println(String.format("Found actor: %s", a));                    
                }
                return actors;
            });
        }

 

More information on using Neo4j's Java driver

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