examples.Examples Maven / Gradle / Ivy
/*
* Copyright 2014 Red Hat, Inc.
*
* All rights reserved. This program and the accompanying materials
* are made available under the terms of the Eclipse Public License v1.0
* and Apache License v2.0 which accompanies this distribution.
*
* The Eclipse Public License is available at
* http://www.eclipse.org/legal/epl-v10.html
*
* The Apache License v2.0 is available at
* http://www.opensource.org/licenses/apache2.0.php
*
* You may elect to redistribute this code under either of these licenses.
*/
package examples;
import io.vertx.core.Vertx;
import io.vertx.core.buffer.Buffer;
import io.vertx.core.json.JsonArray;
import io.vertx.core.json.JsonObject;
import io.vertx.core.spi.BufferFactory;
import io.vertx.docgen.Source;
import io.vertx.ext.mongo.MongoClient;
import io.vertx.ext.mongo.UpdateOptions;
import org.bson.types.ObjectId;
import java.io.*;
import java.time.Instant;
import java.util.List;
/**
* @author Tim Fox
*/
public class Examples {
public void exampleCreateDefault(Vertx vertx, JsonObject config) {
MongoClient client = MongoClient.createShared(vertx, config);
}
public void exampleCreatePoolName(Vertx vertx, JsonObject config) {
MongoClient client = MongoClient.createShared(vertx, config, "MyPoolName");
}
public void exampleCreateNonShared(Vertx vertx, JsonObject config) {
MongoClient client = MongoClient.createNonShared(vertx, config);
}
public void example1(MongoClient mongoClient) {
// Document has no id
JsonObject document = new JsonObject().put("title", "The Hobbit");
mongoClient.save("books", document, res -> {
if (res.succeeded()) {
String id = res.result();
System.out.println("Saved book with id " + id);
} else {
res.cause().printStackTrace();
}
});
}
public void example2(MongoClient mongoClient) {
// Document has an id already
JsonObject document = new JsonObject().put("title", "The Hobbit").put("_id", "123244");
mongoClient.save("books", document, res -> {
if (res.succeeded()) {
// ...
} else {
res.cause().printStackTrace();
}
});
}
public void example3(MongoClient mongoClient) {
// Document has an id already
JsonObject document = new JsonObject().put("title", "The Hobbit");
mongoClient.insert("books", document, res -> {
if (res.succeeded()) {
String id = res.result();
System.out.println("Inserted book with id " + id);
} else {
res.cause().printStackTrace();
}
});
}
public void example4(MongoClient mongoClient) {
// Document has an id already
JsonObject document = new JsonObject().put("title", "The Hobbit").put("_id", "123244");
mongoClient.insert("books", document, res -> {
if (res.succeeded()) {
//...
} else {
// Will fail if the book with that id already exists.
}
});
}
public void example5(MongoClient mongoClient) {
// Match any documents with title=The Hobbit
JsonObject query = new JsonObject().put("title", "The Hobbit");
// Set the author field
JsonObject update = new JsonObject().put("$set", new JsonObject().put("author", "J. R. R. Tolkien"));
mongoClient.update("books", query, update, res -> {
if (res.succeeded()) {
System.out.println("Book updated !");
} else {
res.cause().printStackTrace();
}
});
}
public void example6(MongoClient mongoClient) {
// Match any documents with title=The Hobbit
JsonObject query = new JsonObject().put("title", "The Hobbit");
// Set the author field
JsonObject update = new JsonObject().put("$set", new JsonObject().put("author", "J. R. R. Tolkien"));
UpdateOptions options = new UpdateOptions().setMulti(true);
mongoClient.updateWithOptions("books", query, update, options, res -> {
if (res.succeeded()) {
System.out.println("Book updated !");
} else {
res.cause().printStackTrace();
}
});
}
public void example7(MongoClient mongoClient) {
JsonObject query = new JsonObject().put("title", "The Hobbit");
JsonObject replace = new JsonObject().put("title", "The Lord of the Rings").put("author", "J. R. R. Tolkien");
mongoClient.replace("books", query, replace, res -> {
if (res.succeeded()) {
System.out.println("Book replaced !");
} else {
res.cause().printStackTrace();
}
});
}
public void example8(MongoClient mongoClient) {
// empty query = match any
JsonObject query = new JsonObject();
mongoClient.find("books", query, res -> {
if (res.succeeded()) {
for (JsonObject json : res.result()) {
System.out.println(json.encodePrettily());
}
} else {
res.cause().printStackTrace();
}
});
}
public void example9(MongoClient mongoClient) {
// will match all Tolkien books
JsonObject query = new JsonObject().put("author", "J. R. R. Tolkien");
mongoClient.find("books", query, res -> {
if (res.succeeded()) {
for (JsonObject json : res.result()) {
System.out.println(json.encodePrettily());
}
} else {
res.cause().printStackTrace();
}
});
}
public void example9_1(MongoClient mongoClient) {
// will match all Tolkien books
JsonObject query = new JsonObject().put("author", "J. R. R. Tolkien");
mongoClient.findBatch("book", query, res -> {
if (res.succeeded()) {
System.out.println(res.result().encodePrettily());
} else {
res.cause().printStackTrace();
}
});
}
public void example10(MongoClient mongoClient) {
JsonObject query = new JsonObject().put("author", "J. R. R. Tolkien");
mongoClient.remove("books", query, res -> {
if (res.succeeded()) {
System.out.println("Never much liked Tolkien stuff!");
} else {
res.cause().printStackTrace();
}
});
}
public void example11(MongoClient mongoClient) {
JsonObject query = new JsonObject().put("author", "J. R. R. Tolkien");
mongoClient.count("books", query, res -> {
if (res.succeeded()) {
long num = res.result();
} else {
res.cause().printStackTrace();
}
});
}
public void example11_1(MongoClient mongoClient) {
mongoClient.getCollections(res -> {
if (res.succeeded()) {
List collections = res.result();
} else {
res.cause().printStackTrace();
}
});
}
public void example11_2(MongoClient mongoClient) {
mongoClient.createCollection("mynewcollectionr", res -> {
if (res.succeeded()) {
// Created ok!
} else {
res.cause().printStackTrace();
}
});
}
public void example11_3(MongoClient mongoClient) {
mongoClient.dropCollection("mynewcollectionr", res -> {
if (res.succeeded()) {
// Dropped ok!
} else {
res.cause().printStackTrace();
}
});
}
public void example12(MongoClient mongoClient) {
JsonObject command = new JsonObject()
.put("aggregate", "collection_name")
.put("pipeline", new JsonArray());
mongoClient.runCommand("aggregate", command, res -> {
if (res.succeeded()) {
JsonArray resArr = res.result().getJsonArray("result");
// etc
} else {
res.cause().printStackTrace();
}
});
}
public void example13_0(MongoClient mongoService) {
JsonObject document = new JsonObject().put("title", "The Hobbit")
//ISO-8601 date
.put("publicationDate", new JsonObject().put("$date", "1937-09-21T00:00:00+00:00"));
mongoService.save("publishedBooks", document, res -> {
if (res.succeeded()) {
String id = res.result();
mongoService.findOne("publishedBooks", new JsonObject().put("_id", id), null, res2 -> {
if (res2.succeeded()) {
System.out.println("To retrieve ISO-8601 date : "
+ res2.result().getJsonObject("publicationDate").getString("$date"));
} else {
res2.cause().printStackTrace();
}
});
} else {
res.cause().printStackTrace();
}
});
}
@Source(translate=false)
public void example14_01_dl(MongoClient mongoService) throws Exception {
//This could be a serialized object or the contents of a pdf file, etc, in real life
byte[] binaryObject = new byte[40];
JsonObject document = new JsonObject()
.put("name", "Alan Turing")
.put("binaryStuff", new JsonObject().put("$binary", binaryObject));
mongoService.save("smartPeople", document, res -> {
if (res.succeeded()) {
String id = res.result();
mongoService.findOne("smartPeople", new JsonObject().put("_id", id), null, res2 -> {
if(res2.succeeded()) {
byte[] reconstitutedBinaryObject = res2.result().getJsonObject("binaryStuff").getBinary("$binary");
//This could now be de-serialized into an object in real life
} else {
res2.cause().printStackTrace();
}
});
} else {
res.cause().printStackTrace();
}
});
}
public void example14_02_dl(MongoClient mongoService) throws Exception {
//This could be a the byte contents of a pdf file, etc converted to base 64
String base64EncodedString = "a2FpbHVhIGlzIHRoZSAjMSBiZWFjaCBpbiB0aGUgd29ybGQ=";
JsonObject document = new JsonObject()
.put("name", "Alan Turing")
.put("binaryStuff", new JsonObject().put("$binary", base64EncodedString));
mongoService.save("smartPeople", document, res -> {
if (res.succeeded()) {
String id = res.result();
mongoService.findOne("smartPeople", new JsonObject().put("_id", id), null, res2 -> {
if(res2.succeeded()) {
String reconstitutedBase64EncodedString = res2.result().getJsonObject("binaryStuff").getString("$binary");
//This could now converted back to bytes from the base 64 string
} else {
res2.cause().printStackTrace();
}
});
} else {
res.cause().printStackTrace();
}
});
}
public void example15_dl(MongoClient mongoService) throws Exception {
String individualId = new ObjectId().toHexString();
JsonObject document = new JsonObject()
.put("name", "Stephen Hawking")
.put("individualId", new JsonObject().put("$oid", individualId));
mongoService.save("smartPeople", document, res -> {
if (res.succeeded()) {
String id = res.result();
mongoService.findOne("smartPeople", new JsonObject().put("_id", id), null, res2 -> {
if(res2.succeeded()) {
String reconstitutedIndividualId = res2.result().getJsonObject("individualId").getString("$oid");
} else {
res2.cause().printStackTrace();
}
});
} else {
res.cause().printStackTrace();
}
});
}
public void example16(MongoClient mongoClient) throws Exception{
JsonObject document = new JsonObject().put("title", "The Hobbit");
mongoClient.save("books", document, res -> {
if (res.succeeded()) {
mongoClient.distinct("books", "title", String.class.getName(), res2 -> {
System.out.println("Title is : " + res2.result().getJsonArray(0));
});
} else {
res.cause().printStackTrace();
}
});
}
public void example16_d1(MongoClient mongoClient) throws Exception{
JsonObject document = new JsonObject().put("title", "The Hobbit");
mongoClient.save("books", document, res -> {
if (res.succeeded()) {
mongoClient.distinctBatch("books", "title", String.class.getName(), res2 -> {
System.out.println("Title is : " + res2.result().getString("title"));
});
} else {
res.cause().printStackTrace();
}
});
}
}
© 2015 - 2025 Weber Informatics LLC | Privacy Policy