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couchbase_contact_point_one = "127.0.0.1"

port = 8091

bucket-name = "Employee"

couchbase.cluster.username = "user"

couchbase.cluster.password = "password"

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CouchbaseEnvironment couchbaseEnvironment = DefaultCouchbaseEnvironment.builder()
                .connectTimeout(50000)
                .build();
cluster = CouchbaseCluster.create(couchbaseEnvironment, "127.0.0.1");
cluster.authenticate("username","password");

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  //Connecting Synchronously
  
  Cluster cluster = CouchbaseCluster.create("node1");
  cluster.authenticate("username","password");
  Bucket bucket = cluster.openBucket("bucketname");

  //Connecting Asynchronously

 AsyncCluster cluster = CouchbaseAsyncCluster.create("node1")
 Observable<AsyncBucket> bucket = cluster.openBucket("bucketname")

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  Cluster cluster = CouchbaseCluster.create("node1");
  cluster.authenticate("username","password");
  Bucket bucket = cluster.openBucket("bucketname");
  AsyncBucket asyncBucket = bucket.async();

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 CouchbaseEnvironment couchbaseEnvironment = DefaultCouchbaseEnvironment.builder()
                .connectTimeout(50000)
                .kvTimeout(50000)
                .build();
        
        cluster = CouchbaseCluster.create(couchbaseEnvironment, "node1");

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//create JSONObject containing employee details
JsonObject jsonObject = JsonObject.create()
                         .put("emplId", "1")
                         .put("empName", "ABC");

//create JSONDocument object containing Id and the content(employee details)
JsonDocument jsonDocument = JsonDocument.create(id, jsonObject);

//Add document to the bucket using insert method
JsonDocument doc = bucket.insert(jsonDocument);

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//documentId is the unique Id
JsonDocument jsonDocument = bucket.get(documentId)

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JsonDocument doc = bucket.upsert(newDocument);

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JsonDocument removed = bucket.remove(documentId);

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<dependency>
 <groupId>org.hibernate</groupId>
 <artifactId>hibernate-validator</artifactId>
 <version>6.0.10.Final</version>
 </dependency>