Difference between revisions of "EclipseLink/Examples/REST/GettingStarted/DatabaseModel"
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= Next Steps =
= Next Steps =
In part we will examine how to use the Java Persistence Architecture (JPA) to expose the database data as entities (POJOs).
Latest revision as of 15:08, 24 August 2010
The following database model will be used for this example. This particular database stores customer related information. I am using Oracle Database XE, but you could use almost any database with a JDBC driver.
CREATE TABLE "CUSTOMER" ( "ID" NUMBER NOT NULL ENABLE, "FIRST_NAME" VARCHAR2(50), "LAST_NAME" VARCHAR2(50), CONSTRAINT "CUSTOMER_PK" PRIMARY KEY ("ID") ENABLE ) /
CREATE TABLE "ADDRESS" ( "ID" NUMBER NOT NULL ENABLE, "STREET" VARCHAR2(50), "CITY" VARCHAR2(50), CONSTRAINT "ADDRESS_PK" PRIMARY KEY ("ID") ENABLE, CONSTRAINT "ADDRESS_FK" FOREIGN KEY ("ID") REFERENCES "CUSTOMER" ("ID") ENABLE ) /
CREATE TABLE "PHONE_NUMBER" ( "ID" NUMBER NOT NULL ENABLE, "TYPE" VARCHAR2(50), "NUM" VARCHAR2(50), "ID_CUSTOMER" NUMBER, CONSTRAINT "PHONE_NUMBER_PK" PRIMARY KEY ("ID") ENABLE, CONSTRAINT "PHONE_NUMBER_FK" FOREIGN KEY ("ID_CUSTOMER") REFERENCES "CUSTOMER" ("ID") ENABLE ) /
 JDBC Resource & Connection Pool
Next we need to configure a connection pool on our application server. I will be using GlassFish Server Open Source Edition version 3.0.1. These steps will vary depending on the application server you are using.
- Copy the JDBC driver (ojdbc14.jar) to <glassfish_home>/glashfish/lib
- Launch the Administration Console
- Create a Connection Pool:
- Name = CustomerService
- Resource Type = 'javax.sql.ConnectionPoolDataSource'
- Database Vendor = Oracle (or whatever database vendor is appropriate to your database)
- Click Next and fill in the following "Additional Properties":
- User (e.g. CustomerService)
- Password (e.g. password)
- URL (e.g. jdbc:oracle:thin:@localhost:1521:XE)
- Use the "Ping" button to test your database connection
- Create a JDBC Resource called "CustomerService"
- JNDI Name = CustomerService
- Pool Name = CustomerService (name of the connection pool you created in the previous step)
 Next Steps
In part 2 we will examine how to use the Java Persistence Architecture (JPA) to expose the database data as entities (POJOs).