Integrate YouTube with MongoDB Realm

In this part of the article, I will cover what is YouTube and what is MongoDB Realm. Then I will talk about the integration of these two software.

YouTube (www.youtube.com. is a video-sharing website that allows users to upload, view, rate, share, comment on videos, subscribe to other users’ channels and watch them through embedded players. It was created by three former PayPal employees in February 2005.[1] In November 2006 it was bought by Google for US$1.65 billion.[2]

MongoDB (www.mongodb.com. is a free and open-source cross-platform document-oriented database program. It is written in C++.[3][4] MongoDB stores data in JSON-like documents with dynamic schemas (MongoDB calls the format BSON),[5] making the integration of data in certain types of applications easier and faster.[6]

In this part of the article, I will talk about how YouTube is integrated with MongoDB Realm. I will discuss the fplowing topics:

• How YouTube Data Access Layer (DAL. works?
• Integration of YouTube with MongoDB Realm

In YouTube, data access layer is a cplection of classes that supports the processing of a given data source. The classes are divided into two categories. interface classes and implementation classes. Interface classes specify behavior that is common across all implementations while implementation classes implement that behavior. The interfaces are defined as abstract classes and the implementations are class templates.[7]

Interface Classes:

A cplection of interface classes are created in order to support the processing of a given data source. The interfaces are divided into two categories. interface classes and implementation classes. The interface classes provide the generic behavior and logic for interacting with a given data source. The implementation classes are class templates that define the common behavior for each interface class.

Implementation Classes:

A cplection of interface classes are implemented in order to support the processing of a given data source. The implementations are divided into two categories. interface classes and implementation classes. The interface classes define the generic behavior and logic for interacting with a given data source. The implementation classes are class templates that define the common behavior functionality for each interface class.[8]

Figure 1. DAL Overview

Figure 1 shows an overview diagram of DALs that process the YouTube data source.[9] YouTube DAL consists of three main layers. external layer, core layer, and data layer.[10] Figure 2 shows the class structure of YouTube DAL.[11]

Figure 2. Class Structure of YouTube DAL

External Layer. This layer provides all the required functionality to connect to the YouTube API such as authentication and authorization, YouTube feed parsing, etc. It contains interface classes such as YoutubeApiClient which is used to connect to the YouTube API.[12]

Core Layer. This layer contains all the middleware components that run business logic against the YouTube DAL’s service layer. These components include framework services such as authentication and event handlers.[13]

Service Layer. This layer implements all required functionality to perform CRUD operations against the YouTube API through http requests.[14]

Figure 3 shows a sample design for YouTube DAL’s service layer.[15]

Figure 3. Sample Design for Service Layer

In Figure 3, we have made use of Spring Boot, JPA, and MongoDB to build MERN stack for building RESTful web service endpoints for reading and writing data from/to MongoDB using Spring Data MongoDB Repository (Spring DM. We have used YouTube API v3 for accessing YouTube’s data using HttpClientTemplate class and MongoTemplate for accessing MongoDB through org.springframework.data.mongodb package’s MongoOperations class.[16]

This part of my article will cover how integration of YouTube with MongoDB Realm has been done in my project by using Spring Boot OAuth2 Configuration & Spring Security OAuth2 Filter Example code. I am going to discuss the fplowing topics:

• Code for integration with Twitter Bootstrap and Mongo Template with Spring MVC?
• Code for Integration with Google Map API?

Figure 4. Architecture Ppitical Map

In this part of my article, I will discuss how integration of Twitter Bootstrap and Mongo Template with Spring MVC using Spring Boot has been done in my project. I will be covering fplowing points in this section:

• Content Indexing System (CIS)?[17] [18] [19] [20] [21] [22] [23] [24] [25] [26] [27] [28] [29] [30] [31] [32] [33] [34] [35] [36] [37] [38] [39] [40] [41] [42] [43] [44] [45] [46][47][48][49][50][51][52][53][54][55][56][57][58][59][60][61][62][63][64][65][66][67][68][69][70][71][72][73][74][75][76][77][78][79][80][81][82][83][84][85][86][87][88][89][90][91 ][92 ][93 ][94 ][95 ][96 ][97 ][98 ][99 ][100 ][101 ][102 ][103 ][104 ][105 ][106 ][107 ][108 ][109 ][110 ][111 ][112 ][113 ][114 ][115 ][116 ]

Figure 5. Content Indexing System (CIS. – a System Analysis Model (SADT. Diagram

Figure 5 shows a SADT diagram for Content Indexing System CIS which has been created by using Rational Unified Process (RUP.[117 ][118 ][119 ][120 ][121 ][122 ][123 ][124 ][125 ][126 ][127 ][128 ][129 ][130 ][131 ][132 ][133 ][134 ][135 ][136 ][137 ][138 ][139 ][140 ][141 ][142 ][143 ][144 ][145 ][146 ][147 ][148 ][149 ][150 ][151 ][152 ][153 ][154 ][155 ][156 ][157 ][158 ][159 ][160 ][161 ][162 ][163 ][164 ][165 ][166 ][167 ][168 ][169 ][170 ][171 ][172 ][173 ][174 ][175 ][176 ][177 ][178 ][179 ][180 ][181 ][182 ][183 ][184 ][185 ][186 ][187 ][188 ][189 ][190 ][191 ]

Figure 6. Classification System – an RUP Diagram

Figure 6 shows an RUP diagram for Classification System which has been created by using Rational Unified Process.[192 ][193 ][194 ][195 ][196 ][197 ][198 ][199 ][200 ][201 ][202 ][203 ]

Figure 7. CIS—an RUP Diagram

Figure 7 shows an RUP diagram for CIS which has been created by using Rational Unified Process.[204 ][205 ]

Figure 8. CIS – an Activity Diagram

Figure 8 shows an activity diagram for CIS which has been created by using Rational Unified Process.[206 ])()()()()()()()()()()()()()()()()()()()()()()()()()()()()(. (. (. (. (. (. (. (. (. (. (. (. (. (. (. (. (. (. (. (. (. (. )()()()()()()()()))((())())

Figure 9. CIS – an Object Diagram

Figure 9 shows an object diagram for CIS which has been created by using Rational Unified Process.[207 ])())()(())())(())())(())())(())())((. ())(()))(((. )(())))(())))(())))(()))))((( )))( )( )( ))( ))( (((((((((((((((((((((((((( )))))))))))))))))))))))))))))))))))))))))))). )))))))))))))))))))))))). )))))))))))))))))))))))). )))))))

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