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Download E-books Java Persistence with MyBatis 3 PDF

Posted On February 1, 2017 at 10:52 pm by / Comments Off on Download E-books Java Persistence with MyBatis 3 PDF

By K. Siva Prasad Reddy

Getting all started with the MYBatis framework is enormously simplified with this step by step advisor that’s jam-packed with useful routines. you can now speedy and hopefully take your Java services into the sector of information endurance.

Overview

  • Detailed directions on the way to use MyBatis with XML and Annotation-based SQL Mappers
  • An in-depth dialogue on the way to map advanced SQL question effects reminiscent of One-To-Many and Many-To-Many utilizing MyBatis ResultMaps
  • Step-by-step directions on easy methods to combine MyBatis with a Spring framework

In Detail

Storing and retrieving info to and from relational databases is a truly universal requirement, and is a vital a part of many purposes. even supposing Java presents a JDBC API for database entry, it's not very potent and consists of writing the boilerplate code many times. Getting facts out of a database, populating into Java gadgets, and persisting information from Java gadgets right into a database utilizing JDBC consists of loads of repetitive coding and is a really tedious strategy. MyBatis takes the best technique of leveraging the prevailing wisdom and tool of Java and SQL but presents robust positive aspects to make info endurance implementation easy.

Java patience with MyBatis three is a realistic, hands-on advisor that offers you with a couple of transparent step by step routines, as a way to assist you to appreciate how MyBatis works and the way to take advantage of it to your actual program wishes. With MyBatis, you are going to how to use the MyBatis framework successfully via uncomplicated instructions.

Java patience with MyBatis three will spotlight the bulky strategy of information patience utilizing undeniable JDBC and also will exhibit you the way effortless it really is to enforce an analogous utilizing MyBatis. additionally, you will take a deeper look at the implementation of MyBatis with XML and Annotation-based Mappers, and at last how you can combine MyBatis with a Spring framework.

You will the right way to map complicated SQL question effects to Java beans utilizing XML and Annotation-based Mappers, together with One-To-Many and Many-To-Many relationships. additionally, you will the right way to use TypeAliases and customized kind Handlers, and construct dynamic queries utilizing XML and SqlProvider annotations. It progresses to distinct directions on integrating MyBatis with Spring and leveraging Spring’s Annotation-based transaction dealing with mechanism, which extra simplifies the use of MyBatis.With Java patience with MyBatis three, you are going to the way to use the MyBatis framework successfully via basic instructions.

What you are going to research from this book

  • Simplify database patience layer implementation
  • Install and configure MyBatis utilizing XML and Java API
  • Map One-To-Many and Many-To-Many effects utilizing XML and Annotated Mappers
  • Use TypeAliases and customized sort Handlers
  • Handle pagination and customized SQL ResultSet processing
  • Build Dynamic Queries utilizing XML and SqlProvider annotations
  • Use Spring’s Annotation-based Transaction dealing with with MyBatis

Approach

This e-book could have a realistic strategy, therefore making it effortless for the readers to appreciate and research with step by step instructions.

Who this booklet is written for

This publication is for Java builders who want to study all in regards to the MyBatis framework and are trying to find a pragmatic advisor to start. the must haves required for this ebook are simple Java and SQL talents. No past wisdom of MyBatis is expected.

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Sql. DataSource to create a Connection pool. The JNDI dataSource makes use of the relationship pool configured within the software server and obtains a connection utilizing a JNDI look up. allow us to see how we will get a DataSource item utilizing MyBatis' PooledDataSource interface: public category DataSourceFactory { public static DataSource getDataSource() { String driving force = "com. mysql. jdbc. Driver"; String url = "jdbc:mysql://localhost:3306/mybatisdemo"; String username = "root"; String password = "admin"; PooledDataSource dataSource = new PooledDataSource(driver, url, username, password); go back dataSource; } } usually in creation environments, DataSource can be configured within the program server and get the DataSource item utilizing JNDI as follows: public classification DataSourceFactory { public static DataSource getDataSource() { String jndiName = "java:comp/env/jdbc/MyBatisDemoDS"; attempt { InitialContext ctx = new InitialContext(); DataSource dataSource = (DataSource) ctx. lookup(jndiName); go back dataSource; } capture (NamingException e) { throw new RuntimeException(e); } } } there are numerous well known third-party libraries, reminiscent of commons-dbcp and c3p0, enforcing javax. sql. DataSource, and you'll use any of those libraries to create a dataSource. TransactionFactory MyBatis helps the subsequent different types of TransactionFactory implementations: JdbcTransactionFactory ManagedTransactionFactory If the appliance is working in a non-managed atmosphere, you can use JdbcTransactionFactory. DataSource dataSource = DataSourceFactory. getDataSource(); TransactionFactory txnFactory = new JdbcTransactionFactory(); setting atmosphere = new Environment("development", txnFactory, dataSource); If the appliance is working in a controlled atmosphere and makes use of container-supported transaction administration companies, you can use ManagedTransactionFactory. DataSource dataSource = DataSourceFactory. getDataSource(); TransactionFactory txnFactory = new ManagedTransactionFactory(); surroundings surroundings = new Environment("development", txnFactory, dataSource); typeAliases MyBatis presents a number of methods of registering kind Aliases with the Configuration item. To sign in an alias for a unmarried classification with an uncapitalized, nonqualified category identify in keeping with the default alias rule, use the subsequent code:configuration. getTypeAliasRegistry(). registerAlias(Student. class); To sign in a unmarried classification alias with a given alias identify, use the subsequent code:configuration. getTypeAliasRegistry(). registerAlias("Student", pupil. class); To sign up a unmarried category alias identify for the given absolutely certified type identify, use the subsequent code:configuration. getTypeAliasRegistry(). registerAlias("Student", "com. mybatis3. area. Student"); To check in aliases for all of the sessions within the com. mybatis3. area package deal, use the subsequent code:configuration. getTypeAliasRegistry(). registerAliases("com. mybatis3. domain"); To sign up aliases for the sessions that stretch the Identifiable variety within the com.

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