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Enterprise Application Development with Ext JS and Spring

You're reading from   Enterprise Application Development with Ext JS and Spring Designed for intermediate developers, this superb tutorial will lead you step by step through the process of developing enterprise web applications combining two leading-edge frameworks. Take a big leap forward in easy stages.

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Product type Paperback
Published in Dec 2013
Publisher Packt
ISBN-13 9781783285457
Length 446 pages
Edition 1st Edition
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Author (1):
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Gerald Gierer Gerald Gierer
Author Profile Icon Gerald Gierer
Gerald Gierer
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Toc

Table of Contents (16) Chapters Close

Preface 1. Preparing Your Development Environment FREE CHAPTER 2. The Task Time Tracker Database 3. Reverse Engineering the Domain Layer with JPA 4. Data Access Made Easy 5. Testing the DAO Layer with Spring and JUnit 6. Back to Business – The Service Layer 7. The Web Request Handling Layer 8. Running 3T on GlassFish 9. Getting Started with Ext JS 4 10. Logging On and Maintaining Users 11. Building the Task Log User Interface 12. 3T Administration Made Easy 13. Moving Your Application to Production A. Introducing Spring Data JPA
Index

The service layer interfaces


The service layer interfaces define methods that will be exposed to clients. These methods define the core actions required by our 3T application. Each method has a String actionUsername argument to identify the user executing this request. The actionUsername can be used in the implementation for logging purposes or to ensure a valid user is requesting data. The definition of valid will depend on the action being performed. Each interface will use generic types to define the returned Result value object.

The CompanyService interface will return a data payload that is either a Company object (Result<Company>) or a list of Company objects (Result<List<Company>>). The definition of this interface follows:

package com.gieman.tttracker.service;

import java.util.List;
import com.gieman.tttracker.domain.Company;
import com.gieman.tttracker.vo.Result;

public interface CompanyService {

    public Result<Company> store(
        Integer idCompany...
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