Examples with PrintDocumentSubscriber reactivestreams.helpers.SubscriberHelpers.PrintDocumentSubscriber used on opensource projects

Example 1 with PrintDocumentSubscriber

use of reactivestreams.helpers.SubscriberHelpers.PrintDocumentSubscriber in project mongo-java-driver by mongodb.

the class QueryPrimer method greaterThan.

@Test
public void greaterThan() {
    // @begin: greater-than
    // @code: start
    FindPublisher<Document> publisher = db.getCollection("restaurants").find(new Document("grades.score", new Document("$gt", 30)));
    // @code: end
    // @pre: Iterate the results and apply a block to each resulting document
    // @code: start
    ObservableSubscriber<Document> documentSubscriber = new PrintDocumentSubscriber();
    publisher.subscribe(documentSubscriber);
    documentSubscriber.await();
    // @code: end
    // @pre: To simplify building queries the Java driver provides static helpers
    // @code: start
    db.getCollection("restaurants").find(gt("grades.score", 30));
// @code: end
// @end: greater-than
}

Example 2 with PrintDocumentSubscriber

use of reactivestreams.helpers.SubscriberHelpers.PrintDocumentSubscriber in project mongo-java-driver by mongodb.

the class QueryPrimer method queryTopLevelField.

@Test
public void queryTopLevelField() {
    // @begin: query-top-level-field
    // @code: start
    FindPublisher<Document> publisher = db.getCollection("restaurants").find(new Document("borough", "Manhattan"));
    // @code: end
    // @pre: Iterate the results and apply a block to each resulting document
    // @code: start
    ObservableSubscriber<Document> documentSubscriber = new PrintDocumentSubscriber();
    publisher.subscribe(documentSubscriber);
    documentSubscriber.await();
    // @code: end
    // @pre: To simplify building queries the Java driver provides static helpers
    // @code: start
    db.getCollection("restaurants").find(eq("borough", "Manhattan"));
// @code: end
// @end: query-top-level-field
}

Example 3 with PrintDocumentSubscriber

use of reactivestreams.helpers.SubscriberHelpers.PrintDocumentSubscriber in project mongo-java-driver by mongodb.

the class QueryPrimer method queryEmbeddedDocument.

@Test
public void queryEmbeddedDocument() {
    // @begin: query-embedded-document
    // @code: start
    FindPublisher<Document> publisher = db.getCollection("restaurants").find(new Document("address.zipcode", "10075"));
    // @code: end
    // @pre: Iterate the results and apply a block to each resulting document
    // @code: start
    ObservableSubscriber<Document> documentSubscriber = new PrintDocumentSubscriber();
    publisher.subscribe(documentSubscriber);
    documentSubscriber.await();
    // @code: end
    // @pre: To simplify building queries the Java driver provides static helpers
    // @code: start
    db.getCollection("restaurants").find(eq("address.zipcode", "10075"));
// @code: end
// @end: query-embedded-document
}

Example 4 with PrintDocumentSubscriber

use of reactivestreams.helpers.SubscriberHelpers.PrintDocumentSubscriber in project mongo-java-driver by mongodb.

the class ClientSideEncryptionAutoEncryptionSettingsTour method main.

/**
 * Run this main method to see the output of this quick example.
 *
 * Requires the mongodb-crypt library in the class path and mongocryptd on the system path.
 *
 * @param args ignored args
 */
public static void main(final String[] args) {
    // This would have to be the same master key as was used to create the encryption key
    final byte[] localMasterKey = new byte[96];
    new SecureRandom().nextBytes(localMasterKey);
    Map<String, Map<String, Object>> kmsProviders = new HashMap<String, Map<String, Object>>() {

        {
            put("local", new HashMap<String, Object>() {

                {
                    put("key", localMasterKey);
                }
            });
        }
    };
    String keyVaultNamespace = "admin.datakeys";
    ClientEncryptionSettings clientEncryptionSettings = ClientEncryptionSettings.builder().keyVaultMongoClientSettings(MongoClientSettings.builder().applyConnectionString(new ConnectionString("mongodb://localhost")).build()).keyVaultNamespace(keyVaultNamespace).kmsProviders(kmsProviders).build();
    ClientEncryption clientEncryption = ClientEncryptions.create(clientEncryptionSettings);
    ObservableSubscriber<BsonBinary> dataKeySubscriber = new OperationSubscriber<>();
    clientEncryption.createDataKey("local", new DataKeyOptions()).subscribe(dataKeySubscriber);
    dataKeySubscriber.await();
    String base64DataKeyId = Base64.getEncoder().encodeToString(dataKeySubscriber.getReceived().get(0).getData());
    final String dbName = "test";
    final String collName = "coll";
    AutoEncryptionSettings autoEncryptionSettings = AutoEncryptionSettings.builder().keyVaultNamespace(keyVaultNamespace).kmsProviders(kmsProviders).schemaMap(new HashMap<String, BsonDocument>() {

        {
            put(dbName + "." + collName, // Need a schema that references the new data key
            BsonDocument.parse("{" + "  properties: {" + "    encryptedField: {" + "      encrypt: {" + "        keyId: [{" + "          \"$binary\": {" + "            \"base64\": \"" + base64DataKeyId + "\"," + "            \"subType\": \"04\"" + "          }" + "        }]," + "        bsonType: \"string\"," + "        algorithm: \"AEAD_AES_256_CBC_HMAC_SHA_512-Deterministic\"" + "      }" + "    }" + "  }," + "  \"bsonType\": \"object\"" + "}"));
        }
    }).build();
    MongoClientSettings clientSettings = MongoClientSettings.builder().autoEncryptionSettings(autoEncryptionSettings).build();
    MongoClient mongoClient = MongoClients.create(clientSettings);
    MongoCollection<Document> collection = mongoClient.getDatabase("test").getCollection("coll");
    ObservableSubscriber<Void> successSubscriber = new OperationSubscriber<>();
    collection.drop().subscribe(successSubscriber);
    successSubscriber.await();
    ObservableSubscriber<InsertOneResult> insertOneSubscriber = new OperationSubscriber<>();
    collection.insertOne(new Document("encryptedField", "123456789")).subscribe(insertOneSubscriber);
    insertOneSubscriber.await();
    ObservableSubscriber<Document> documentSubscriber = new PrintDocumentSubscriber();
    collection.find().first().subscribe(documentSubscriber);
    documentSubscriber.await();
    // release resources
    mongoClient.close();
}

Example 5 with PrintDocumentSubscriber

use of reactivestreams.helpers.SubscriberHelpers.PrintDocumentSubscriber in project mongo-java-driver by mongodb.

the class QuickTour method main.

/**
 * Run this main method to see the output of this quick example.
 *
 * @param args takes an optional single argument for the connection string
 */
public static void main(final String[] args) {
    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
    final MongoCollection<Document> collection = database.getCollection("test");
    // drop all the data in it
    ObservableSubscriber<Void> successSubscriber = new OperationSubscriber<>();
    collection.drop().subscribe(successSubscriber);
    successSubscriber.await();
    // make a document and insert it
    Document doc = new Document("name", "MongoDB").append("type", "database").append("count", 1).append("info", new Document("x", 203).append("y", 102));
    ObservableSubscriber<InsertOneResult> insertOneSubscriber = new OperationSubscriber<>();
    collection.insertOne(doc).subscribe(insertOneSubscriber);
    insertOneSubscriber.await();
    // get it (since it's the only one in there since we dropped the rest earlier on)
    ObservableSubscriber<Document> documentSubscriber = new PrintDocumentSubscriber();
    collection.find().first().subscribe(documentSubscriber);
    documentSubscriber.await();
    // now, lets add lots of little documents to the collection so we can explore queries and cursors
    List<Document> documents = new ArrayList<>();
    for (int i = 0; i < 100; i++) {
        documents.add(new Document("i", i));
    }
    ObservableSubscriber<InsertManyResult> insertManySubscriber = new OperationSubscriber<>();
    collection.insertMany(documents).subscribe(insertManySubscriber);
    insertManySubscriber.await();
    // find first
    documentSubscriber = new PrintDocumentSubscriber();
    collection.find().first().subscribe(documentSubscriber);
    documentSubscriber.await();
    // lets get all the documents in the collection and print them out
    documentSubscriber = new PrintDocumentSubscriber();
    collection.find().subscribe(documentSubscriber);
    documentSubscriber.await();
    // Query Filters
    // now use a query to get 1 document out
    documentSubscriber = new PrintDocumentSubscriber();
    collection.find(eq("i", 71)).first().subscribe(documentSubscriber);
    documentSubscriber.await();
    // now use a range query to get a larger subset
    documentSubscriber = new PrintDocumentSubscriber();
    collection.find(gt("i", 50)).subscribe(documentSubscriber);
    successSubscriber.await();
    // range query with multiple constraints
    documentSubscriber = new PrintDocumentSubscriber();
    collection.find(and(gt("i", 50), lte("i", 100))).subscribe(documentSubscriber);
    successSubscriber.await();
    // Sorting
    documentSubscriber = new PrintDocumentSubscriber();
    collection.find(exists("i")).sort(descending("i")).first().subscribe(documentSubscriber);
    documentSubscriber.await();
    // Projection
    documentSubscriber = new PrintDocumentSubscriber();
    collection.find().projection(excludeId()).first().subscribe(documentSubscriber);
    documentSubscriber.await();
    // Aggregation
    documentSubscriber = new PrintDocumentSubscriber();
    collection.aggregate(asList(match(gt("i", 0)), project(Document.parse("{ITimes10: {$multiply: ['$i', 10]}}")))).subscribe(documentSubscriber);
    documentSubscriber.await();
    documentSubscriber = new PrintDocumentSubscriber();
    collection.aggregate(singletonList(group(null, sum("total", "$i")))).first().subscribe(documentSubscriber);
    documentSubscriber.await();
    // Update One
    ObservableSubscriber<UpdateResult> updateSubscriber = new OperationSubscriber<>();
    collection.updateOne(eq("i", 10), set("i", 110)).subscribe(updateSubscriber);
    updateSubscriber.await();
    // Update Many
    updateSubscriber = new OperationSubscriber<>();
    collection.updateMany(lt("i", 100), inc("i", 100)).subscribe(updateSubscriber);
    updateSubscriber.await();
    // Delete One
    ObservableSubscriber<DeleteResult> deleteSubscriber = new OperationSubscriber<>();
    collection.deleteOne(eq("i", 110)).subscribe(deleteSubscriber);
    deleteSubscriber.await();
    // Delete Many
    deleteSubscriber = new OperationSubscriber<>();
    collection.deleteMany(gte("i", 100)).subscribe(deleteSubscriber);
    deleteSubscriber.await();
    // Create Index
    OperationSubscriber<String> createIndexSubscriber = new PrintSubscriber<>("Create Index Result: %s");
    collection.createIndex(new Document("i", 1)).subscribe(createIndexSubscriber);
    createIndexSubscriber.await();
    // Clean up
    successSubscriber = new OperationSubscriber<>();
    collection.drop().subscribe(successSubscriber);
    successSubscriber.await();
    // release resources
    mongoClient.close();
}