Hibernate in Action (In Action series) by Christian Bauer

By Christian Bauer

Regrettably i presumed i used to be getting a deal at $0.99. All you get is some pages of intro, not anything else. the outline makes no indication that's all you get.

Show description

Read Online or Download Hibernate in Action (In Action series) PDF

Best object-oriented design books

Building Java Enterprise Systems with J2EE

The sensible attitude of creating Java firm platforms with J2EE offers the conceptual heritage and wealth of code examples had to really gather structures in an invaluable demeanour with the J2EE applied sciences. moreover, this booklet demonstrates how the applied sciences supplement and construct on best of each other through evolution of a cohesive and actual pattern software.

Beginning Perl (Expert's Voice in Open Source)

This can be a booklet for these people who believed that we didn’t have to study Perl, and now we all know it truly is extra ubiquitous than ever. Perl is very versatile and robust, and it isn’t terrified of net 2. zero or the cloud. initially touted because the duct tape of the web, Perl has because advanced right into a multipurpose, multiplatform language current totally in every single place: heavy-duty net functions, the cloud, platforms management, traditional language processing, and fiscal engineering.

Developing Modular-Oriented Simulation Models Using System Dynamics Libraries (SpringerBriefs in Electrical and Computer Engineering)

This SpringerBrief introduces the improvement and useful program of a module-oriented improvement framework for area particular system-dynamic libraries (SDL approach), which are utilized in the simulation of multi-causal and dynamic relationships on diversified degrees of an undefined, to illustrate the development undefined.

Additional info for Hibernate in Action (In Action series)

Sample text

The relational and object models must both encompass the same business entities. es> 16 CHAPTER 1 Understanding object/relational persistence modeler. The usual solution to this problem is to bend and twist the object model until it matches the underlying relational technology. This can be done successfully, but only at the cost of losing some of the advantages of object orientation. Keep in mind that relational modeling is underpinned by relational theory. Object orientation has no such rigorous mathematical definition or body of theoretical work.

Hence, object databases offer seamless integration into the object-oriented application environment. This is different from the model used by today’s relational databases, where interaction with the database occurs via an intermediate language (SQL). Analogously to ANSI SQL, the standard query interface for relational databases, there is a standard for object database products. The Object Data Management Group (ODMG) specification defines an API, a query language, a metadata language, and host language bindings for C++, SmallTalk, and Java.

It’s the actual, persistent representation of the system state. If an SQL database is used, the database includes the relational schema and possibly stored procedures. ■ Helper/utility classes—Every application has a set of infrastructural helper or utility classes that are used in every layer of the application (for example, Exception classes for error handling). These infrastructural elements don’t form a layer, since they don’t obey the rules for interlayer dependency in a layered architecture.

Download PDF sample

Rated 4.90 of 5 – based on 44 votes