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Gem Cluster Freelancer Network Sosuke Tokunaga CS491b Fall 2004 Background High performance computers and the Internet Advantages of Freelancers Encourage skilled professionals to work as freelancers Freedom, Flexibility Disadvantages of Freelancers Limited Capacity, Instability Inrtoduction Gem Cluster Freelancers can Virtual community on the Internet To help freelancers to share their workloads Post projects to obtain other freelancers’ help Participate in projects to get jobs Guest Managers can Post projects to acquire team members Functionalities Freelancer Information Management Profession and skills Address (City and State) E-mail address Project Information Management Manager Tasks Applicants Members Functionalities Project Mail Function to send mails to project members Shared File Space Project members can share files by uploading and downloading them. Roles of User Apply for Tasks Register / Login Guest Post Projects / Login Applicant Freelancer Project Member Post Projects Project Manager Manager Post Projects Admit Data Model Structure User User Manager • User ID • Password • E-mail • Name Freelancer • Profession • Skill Description • Address • Web address Data Model Structure Project 1 Project 0..* Project Manager 0..* File • Filename • Data • Size/Type • Post Date User • Project ID • Project Name • Description • Start/Finish Date • Location(City and State) • Task ID • Expected Profession Task • Description 1 1 1..* User 0..* 0..* Project Member Post User 0..1 0..1 Freelancer 0..* 0..* Applicant Freelancer GUI Design Header Body Footer Page Navigation Non-member area Log In Log In Log In Main Home Home Register Register Register Post Projects View Freelancers Manager Info. Main Next Back Project Info. Add and Next Next Back Task Info. Post Project Sequence Freelancer List View Projects Project List Back Finish Main Page Navigation Member area Main Remove Main Show My Profile Home Log Out Home Edit My Profile My Profile Back / Edit Post Projects Next Finish Project Info. Task Info. Main Back Post Project Sequence View Freelancers Back Add and Next Select Freelancer List Freelancer Profile Back View Projects Select Project List Project Info. Back Apply for a task Main Page Navigation Member area – Main Page Admit an Applicant Main Main Applicant List Managing Project Remove Participating Project Applying Project Cancel Application Project Info. (As manager) Edit Applicant Info. Project Info. Task Info. Manager Info. Project Info. (As member) Member Info. Project Mail Project Info. (As Applicant) Shared File Space http://cs.calstatela.edu:8080/cs491stu01 System Design Multi-tiered Model Web Application Gem Cluster Mail Object Java Mail DAOs JDBC Action Forms JSPs Business Objects Utility Web Tier Service Interface Actions Controller Servlet User (Client Tier) Business Logic Tier Java Beans SMTP Server RDBMS (Data Tier) Database Environmental Requirement Client Machine Web Browser (Internet Explorer 6.0) Server Machine J2SE SDK 1.4 or later Servlet Container (Tomcat 4.0.6) RDBMS – MySQL 4.0.18 or later SMTP Server (IIS SMTP Server) Set Up – Installation Set up required environment Create a database for the system Deliverables SQL file for creating tables in the database Web application package Execute the SQL file Copy the web application package into your web applications directory ($CATALINA_HOME/webapps) Set Up – Configuration $webapps/gemcluster/WEB-INF/ gemcluster.properties #Database Configuration database.driver=com.mysql.jdbc.Driver database.url=jdbc:mysql://localhost/gemcluster database.user=root database.password= #Mail Server Configuration mail.smtp.host=localhost #File Storage Configuration file.max.size=1MB file.total.max.size=16MB #Page Configuration page.list.size=5 Set Up – Execution Restart your servlet container Access from Your web browser with http://hostname[:portnumber]/gemcluster Future Work System Log Security Enhancement with SSL Profession Information Management Gem Cluster Thank You!