Java Azure Cosmos DB (MongoDB) の Document 削除 on Ubuntu No.47

    <dependencies>
        <dependency>
            <groupId>org.mongodb</groupId>
            <artifactId>mongo-java-driver</artifactId>
            <version>3.12.10</version>
        </dependency>
    </dependencies>

(例)
import com.mongodb.MongoClient;
import com.mongodb.MongoClientOptions;
import com.mongodb.MongoClientURI;
import com.mongodb.MongoException;
import com.mongodb.client.MongoCollection;
import com.mongodb.client.model.Filters;
import org.bson.Document;

public class ConnCosmosDBMongoDBv3 {
    String connectionString ="mongodb://xxxx.documents.azure.com:10255/?ssl=true";
    String dbName = "dbname";
    String collName = "collectionname";
    MongoClient client;

    public void InitMongoClient()
    {
        MongoClientOptions.Builder optionBuilder = new MongoClientOptions.Builder();
        // Set values to prevent timeouts
        optionBuilder.socketTimeout(10000);
        optionBuilder.maxConnectionIdleTime(60000);
        optionBuilder.heartbeatConnectTimeout(5000);

        MongoClientURI mongoClientURI = new MongoClientURI(this.connectionString, optionBuilder);
        this.client = new MongoClient(mongoClientURI);
    }

    public void ReadWriteDocuments() {
        System.out.println("Reading documents.");
        try {
            MongoCollection<Document> coll = this.client.getDatabase(this.dbName).getCollection(this.collName);

            // Add the document
            Document document = new Document("LName","Greek");
            document.append("Sku","G4");
            document.append("Name","Middle");
            document.append("Price","800");
            coll.insertOne(document);

            // Read the document
            Document queryResult = coll.find(Filters.eq("LName","Greek")).first();
            if (queryResult != null) {
                System.out.println("===");
                System.out.println(queryResult.toJson());
            }
        } catch (MongoException me) {
            System.out.println("Exception:" + me);
        }
    }

    public void DeleteDocuments() {
        System.out.println("Reading documents.");
        try {
            MongoCollection<Document> coll = this.client.getDatabase(this.dbName).getCollection(this.collName);
            // Delete one document
            //coll.deleteOne(Filters.eq("LName","Greek"));
            // Delete multiple documents
            coll.deleteMany(Filters.eq("LName","Greek"));
            System.out.println("The deletion was complete.");
        } catch (MongoException me) {
            System.out.println("Exception:" + me);
        }
    }

    public void RunCode() {
        System.out.println("Start the application ConnCosmosDBMongoDBv3.");
        InitMongoClient();
        ReadWriteDocuments();
        DeleteDocuments();
        System.out.println("Completed the application ConnCosmosDBMongoDBv3.");
    }

    public static void main(String[] args) {
        ConnCosmosDBMongoDBv3 appMongo = new ConnCosmosDBMongoDBv3();
        appMongo.RunCode();
    }
}

（例）
Start the application ConnCosmosDBMongoDBv3.
Feb 07, 2022 11:47:56 AM com.mongodb.diagnostics.logging.JULLogger log
INFO: Cluster created with settings {hosts=[xxxx.documents.azure.com:10255], mode=SINGLE, requiredClusterType=UNKNOWN, serverSelectionTimeout='30000 ms', maxWaitQueueSize=500}
Reading documents.
Feb 07, 2022 11:47:56 AM com.mongodb.diagnostics.logging.JULLogger log
INFO: Cluster description not yet available. Waiting for 30000 ms before timing out
Feb 07, 2022 11:47:57 AM com.mongodb.diagnostics.logging.JULLogger log
INFO: Opened connection [connectionId{localValue:1, serverValue:7xxx}] to xxxx.documents.azure.com:10255
Feb 07, 2022 11:47:57 AM com.mongodb.diagnostics.logging.JULLogger log
INFO: Monitor thread successfully connected to server with description ServerDescription{address=xxxx.documents.azure.com:10255, type=REPLICA_SET_PRIMARY, state=CONNECTED, ok=true, version=ServerVersion{versionList=[3, 2, 0]}, minWireVersion=0, maxWireVersion=2, maxDocumentSize=16777216, logicalSessionTimeoutMinutes=null, roundTripTimeNanos=107733717, setName='globaldb', canonicalAddress=xxxx.documents.azure.com:10255, hosts=[xxxx.documents.azure.com:10255], passives=[], arbiters=[], primary='xxxx.documents.azure.com:10255', tagSet=TagSet{[]}, electionId=null, setVersion=1, lastWriteDate=null, lastUpdateTimeNanos=3272362741837}
Feb 07, 2022 11:47:58 AM com.mongodb.diagnostics.logging.JULLogger log
INFO: Opened connection [connectionId{localValue:2, serverValue:1953768959}] to xxxx.documents.azure.com:10255
===
{"_id": {"$oid": "16xxxx4"}, "LName": "Greek", "Sku": "G4", "Name": "Middle", "Price": "800"}
Reading documents.
The deletion was complete.
Completed the application ConnCosmosDBMongoDBv3.