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- `GET` `/people/surname` -- Get the result of the surname report above
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- `GET` `/people/firstname/stats` -- Get the report of first name frequencies
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#### Homes and People
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There is another table in the data base named home that consist of the following
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fields:
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_You may use the query in the 'data-h2.sql' file to populate the 'PERSON' and 'HOME' table_
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Support the following operations:
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- Add a "Home" to the database
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- Add a person to a home
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- Update an existing 'Home' in the database
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- Remove a home from the database
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- Remove a list of homes from the database
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- Find a home by id
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-- Find a hom by home number
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+- Find a home by home number
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- Find a home by address
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- Find a home by person id
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- Generate a list of people that live in a home
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List all of the homes that have more that one person that live there. Group people by the home that they
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live in
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Find the home number of John Smith
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+## Part 3: JPA
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+In this section we're going to re-create our service class using JPA.
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+Start by breaking your `PersonService` class into an interface and implementation eg: `interface PersonService` and `class jdbcPersonServiceImpl`. Place the `@Service` annotation on the implementation class.
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+
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+Now create a new class that implements the PersonService, this time with JPA. Once you annotate this class with @Service you will get an error when you start spring -- you can fix this by annotation the service you want to use with `@Primary` -- This tells Spring that if there are multiple beans competing for autowiring, the one marked with `@Primary` should be used (this won't work if multiple competing beans are marked `@Primary`
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+Implement all of the methods found in your `PersonService` interface in this new JPA-based service. You won't have to change your controller at all if you are autowiring a reference to a `PersonService` - Spring will automatically inject the `@Primary`-annotated implementation of `PersonService`
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+Remember that you won't be using the Jdbc service or any `JdbcTemplate` objects in this part of the lab.
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David Ginzberg
7 年之前