Spring aop with aspect j
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Aop spring
The document discusses aspect-oriented programming (AOP) using Spring to modularize cross-cutting concerns like transaction management and logging. It provides examples of how logging and transaction code is duplicated across methods in a banking application. It then introduces AOP concepts like joinpoints, pointcuts, advice, and aspects to extract cross-cutting behavior into separate modules. Finally, it demonstrates how Spring AOP can be used to add login/logout advice around a customer's browsing method to track internet cafe usage.
Spring aop concepts
Aspect-Oriented Programming (AOP) complements Object-Oriented Programming (OOP) by providing another way of thinking about program structure. The key unit of modularity in OOP is the class, whereas in AOP the unit of modularity is the aspect. Aspects enable the modularization of concerns such as transaction management that cut across multiple types and objects. (Such concerns are often termed crosscutting concerns in AOP literature.)
One of the key components of Spring is the AOP framework. While the Spring IoC container does not depend on AOP, meaning you do not need to use AOP if you don't want to, AOP complements Spring IoC to provide a very capable middleware solution.
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Spring Framework - Data Access
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Recommended
Aop spring
The document discusses aspect-oriented programming (AOP) using Spring to modularize cross-cutting concerns like transaction management and logging. It provides examples of how logging and transaction code is duplicated across methods in a banking application. It then introduces AOP concepts like joinpoints, pointcuts, advice, and aspects to extract cross-cutting behavior into separate modules. Finally, it demonstrates how Spring AOP can be used to add login/logout advice around a customer's browsing method to track internet cafe usage.
Spring aop concepts
Aspect-Oriented Programming (AOP) complements Object-Oriented Programming (OOP) by providing another way of thinking about program structure. The key unit of modularity in OOP is the class, whereas in AOP the unit of modularity is the aspect. Aspects enable the modularization of concerns such as transaction management that cut across multiple types and objects. (Such concerns are often termed crosscutting concerns in AOP literature.)
One of the key components of Spring is the AOP framework. While the Spring IoC container does not depend on AOP, meaning you do not need to use AOP if you don't want to, AOP complements Spring IoC to provide a very capable middleware solution.
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The document discusses validation in the Spring Framework. It describes how Spring supports the JSR-303 validation specification through its Validator interface and auxiliary classes like Errors and ValidationUtils. It also covers validation annotations, constraint violation handling, custom constraints, grouping and composition. Spring provides the LocalValidatorFactoryBean to integrate JSR-303 validation into Spring applications.
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The document discusses Spring Framework's data access features. It covers DAO support, transaction management using JDBC, and exceptions. It also discusses embedded databases, initializing other data sources, and the Spring DataAccessException hierarchy. Additionally, it talks about using JdbcTemplate for data access and provides examples of querying for simple types, generic maps, and domain objects.
Spring Framework - Expression Language
The document discusses Spring Expression Language (SpEL), which is a powerful expression language for querying and manipulating objects in the Spring Framework. SpEL supports expressions, property access, method invocation, operators, and more. It can be used across Spring products and in XML configuration, annotations, and code. SpEL provides a simple and consistent way to access application objects and metadata.
Spring Framework - Web Flow
The document discusses Spring Web Flow, which is an extension of the Spring MVC framework focused on defining and executing page flows. It describes how Spring Web Flow integrates with Spring MVC and other technologies and provides configuration options for defining flows, states, actions, and transitions. It also covers view rendering, data binding, validation, and other features involved in executing flows.
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Spring Framework - MVC
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Here is an example of inheritance in Java:
```java
class Employee {
String name;
int id;
public Employee(String name, int id) {
this.name = name;
this.id = id;
}
}
class Programmer extends Employee {
String language;
public Programmer(String name, int id, String language) {
super(name, id);
this.language = language;
}
}
```
Here Employee is the base/super class and Programmer is the derived/sub class that inherits from Employee. Programmer extends Employee and uses super() to pass values to the Employee constructor.
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Here is an example of inheritance in Java:
```java
class Employee {
String name;
int id;
public Employee(String name, int id) {
this.name = name;
this.id = id;
}
}
class Programmer extends Employee {
String language;
public Programmer(String name, int id, String language) {
super(name, id);
this.language = language;
}
}
```
Here Employee is the base/super class and Programmer is the derived/sub class that inherits from Employee. Programmer extends Employee and uses super() to pass values to the Employee constructor.
Struts2 notes
The document provides an overview of Struts 2 including:
1. The architecture of Struts 2 which uses patterns like front controller and composite.
2. A basic "Hello World" example demonstrating creating an action class and mapping it in struts.xml.
3. The Action interface and ActionSupport class which provides common functionality like validation. ActionSupport implements interfaces like Validateable.
4. Aware interfaces like SessionAware which allow injecting objects like the session into actions.
Lab work servlets and jsp
The document outlines exercises for learning Servlets, JSPs, and Java web development fundamentals including:
1. Hello World applications using Servlets and JSPs
2. Form processing and request handling with Servlets
3. Customer registration and voting applications
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5. Session management using cookies and URL rewriting
6. The MVC pattern for building web applications
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9. A book shopping cart application demonstrating various concepts
10. A case study on building an employee or book management system with MVC,
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The document discusses various aspects of dependency injection (DI) in Spring, including:
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- Autowiring bean dependencies
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Advance C++notes
Day 1 of the training covers introductory C++ concepts like object-oriented programming, compilers, IDEs, classes, objects, and procedural programming concepts. Day 2 covers more advanced class concepts like constructors, destructors, static members, returning objects, and arrays of objects. Day 3 covers function and operator overloading.
Core java 5 days workshop stuff
To avoid name clashing, we can access classes using their fully qualified names like:
pack1.Student student1;
pack2.Student student2;
53 Rajeev Gupta
Session-2
Inheritance
Type of inheritance
Diamond problem
InstanceOf operator
Final, Abstract classes and interface
Acess control: public, private,protected and default
Packages
Abstract class
Interface
54 Rajeev Gupta
Inheritance
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Event Link:- https://meetups.mulesoft.com/events/details/mulesoft-mysore-presents-mule-event-processing-models/
Agenda
● What is event processing in MuleSoft?
● Types of event processing models in Mule 4
● Distinction between the reactive, parallel, blocking & non-blocking processing
For Upcoming Meetups Join Mysore Meetup Group - https://meetups.mulesoft.com/mysore/YouTube:- youtube.com/@mulesoftmysore
Mysore WhatsApp group:- https://chat.whatsapp.com/EhqtHtCC75vCAX7gaO842N
Speaker:-
Shivani Yasaswi - https://www.linkedin.com/in/shivaniyasaswi/
Organizers:-
Shubham Chaurasia - https://www.linkedin.com/in/shubhamchaurasia1/
Giridhar Meka - https://www.linkedin.com/in/giridharmeka
Priya Shaw - https://www.linkedin.com/in/priya-shaw
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