Implement distributed transations Management in the Campus System Zhuo Zeng

Layers Three layers: 1.Presentation Layer 2.Application Layer 3.Data Mapping Layer

Database 3 tables:

Data-Mapping

Strust+Spring+Hibernate

Connection Pool <bean id="dataSource" class="com.mchange.v2.c3p0.ComboPooledDataSource " destroy-method="close" p:driverClass="com.microsoft.sqlserver.jdbc.SQLServer Driver" p:jdbcUrl="jdbc:sqlserver://localhost:1433;databaseNam e=Admin" p:user="sa" p:password="123456" p:maxPoolSize="40" p:minPoolSize="1" p:initialPoolSize="1" p:maxIdleTime="20" />

Transaction The simplistic view of a transaction issued to the database using SQL is as follows: 1.Begin the transaction using begin transaction command. 2.Perform various deleted, update or insert operations using SQL queries. 3.If all the operation are successful then perform commit otherwise rollback all the operations.

Transaction PROPAGATION_REQUIRED PROPAGATION_REQUIRED PROPAGATION_SUPPORTS,readOnly

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Administrator

Student Management

Teacher Management

Course Management

Teacher Management System

Student Management System