com.mongodb.client.model.TextSearchOptions Java Examples

/**
 * Run this main method to see the output of this quick example.
 *
 * @param args takes an optional single argument for the connection string
 * @throws Throwable if an operation fails
 */
public static void main(final String[] args) throws Throwable {
    MongoClient mongoClient;

    if (args.length == 0) {
        // connect to the local database server
        mongoClient = MongoClients.create();
    } else {
        mongoClient = MongoClients.create(args[0]);
    }

    // get handle to "mydb" database
    MongoDatabase database = mongoClient.getDatabase("mydb");


    // get a handle to the "test" collection
    MongoCollection<Document> collection = database.getCollection("test");
    ObservableSubscriber subscriber = new ObservableSubscriber<Success>();
    collection.drop().subscribe(subscriber);
    subscriber.await();

    // getting a list of databases
    mongoClient.listDatabaseNames().subscribe(new PrintSubscriber<String>("Database Names: %s"));

    // drop a database
    subscriber = new ObservableSubscriber<Success>();
    mongoClient.getDatabase("databaseToBeDropped").drop().subscribe(subscriber);
    subscriber.await();

    // create a collection
    database.createCollection("cappedCollection", new CreateCollectionOptions().capped(true).sizeInBytes(0x100000))
                .subscribe(new PrintSubscriber<Success>("Creation Created!"));


    database.listCollectionNames().subscribe(new PrintSubscriber<String>("Collection Names: %s"));

    // drop a collection:
    subscriber = new ObservableSubscriber<Success>();
    collection.drop().subscribe(subscriber);
    subscriber.await();

    // create an ascending index on the "i" field
    collection.createIndex(new Document("i", 1)).subscribe(new PrintSubscriber<String>("Created an index named: %s"));

    // list the indexes on the collection
    collection.listIndexes().subscribe(new PrintDocumentSubscriber());


    // create a text index on the "content" field
    subscriber = new PrintSubscriber<String>("Created an index named: %s");
    collection.createIndex(new Document("content", "text")).subscribe(subscriber);
    subscriber.await();

    subscriber = new OperationSubscriber();
    collection.insertMany(asList(new Document("_id", 0).append("content", "textual content"),
            new Document("_id", 1).append("content", "additional content"),
            new Document("_id", 2).append("content", "irrelevant content"))).subscribe(subscriber);
    subscriber.await();

    // Find using the text index
    subscriber = new PrintSubscriber("Text search matches: %s");
    collection.countDocuments(text("textual content -irrelevant")).subscribe(subscriber);
    subscriber.await();

    // Find using the $language operator
    subscriber = new PrintSubscriber("Text search matches (english): %s");
    Bson textSearch = text("textual content -irrelevant", new TextSearchOptions().language("english"));
    collection.countDocuments(textSearch).subscribe(subscriber);
    subscriber.await();

    // Find the highest scoring match
    System.out.print("Highest scoring document: ");
    Document projection = new Document("score", new Document("$meta", "textScore"));
    collection.find(textSearch).projection(projection).first().subscribe(new PrintDocumentSubscriber());


    // Run a command
    database.runCommand(new Document("buildInfo", 1)).subscribe(new PrintDocumentSubscriber());

    // release resources
    subscriber = new OperationSubscriber();
    database.drop().subscribe(subscriber);
    subscriber.await();
    mongoClient.close();
}
 

TextSearchOptions _$PINPOINT$_getTextSearchOptions();