Презентация «Creating Session Beans»

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Презентация «Creating Session Beans»

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Creating Session Beans
Creating Session Beans
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Objectives After completing this lesson, you should be able to: Describe session beans Create statel
Objectives After completing this lesson, you should be able to: Describe session beans Create stateless and stateful session beans by using annotations Understand the passivation and activation of …
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What Is a Session Bean? A session bean is a type of Enterprise JavaBean (EJB) that: Implements a bus
What Is a Session Bean? A session bean is a type of Enterprise JavaBean (EJB) that: Implements a business process Represents a client/server interaction Has a short lifespan Lives in memory rather …
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Stateless Versus Stateful Session Beans There are two types of session beans: Stateless session bean
Stateless Versus Stateful Session Beans There are two types of session beans: Stateless session bean (SLSB) Conversation is contained in a single method call. Business process does not maintain …
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Life Cycle of a Stateless Session Bean
Life Cycle of a Stateless Session Bean
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Creating a Stateless Session Bean To create a stateless session bean: Define the stateless session b
Creating a Stateless Session Bean To create a stateless session bean: Define the stateless session bean. Define the local and remote interfaces (as needed).
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Define the Stateless Session Bean
Define the Stateless Session Bean
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Create the Remote and Local Interfaces
Create the Remote and Local Interfaces
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Create a Test Client for the SLSB
Create a Test Client for the SLSB
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Life Cycle of a Stateful Session Bean
Life Cycle of a Stateful Session Bean
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«Creating Session Beans», слайд 11
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Passivation and Activation Concepts Passivation and activation are stages in a session bean’s life c
Passivation and Activation Concepts Passivation and activation are stages in a session bean’s life cycle controlled by the EJB container: Passivation Serializes the bean state to secondary storage …
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Creating a Stateful Session Bean To create a stateful session bean: Define the stateful session bean
Creating a Stateful Session Bean To create a stateful session bean: Define the stateful session bean. Define the local and remote interfaces (as needed).
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Define the Stateful Session Bean
Define the Stateful Session Bean
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Create the Remote and Local Interfaces
Create the Remote and Local Interfaces
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Create a Test Client for the SFSB
Create a Test Client for the SFSB
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Interceptor Methods and Classes EJB 3. 0 introduces the ability to create custom interceptor methods
Interceptor Methods and Classes EJB 3. 0 introduces the ability to create custom interceptor methods and classes that are called before invoking the methods they intercept. Interceptors: Are …
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Interceptor Method
Interceptor Method
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Interceptor Classes External interceptor classes can be created to abstract the behavior of intercep
Interceptor Classes External interceptor classes can be created to abstract the behavior of interceptors and to define multiple interceptors for a bean.
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Summary In this lesson, you should have learned how to: Describe session beans Create stateless and
Summary In this lesson, you should have learned how to: Describe session beans Create stateless and stateful session beans by using annotations Understand the passivation and activation of stateful …
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Practice 5 Overview: Creating Session Beans This practice covers the following topics: Using JDevelo
Practice 5 Overview: Creating Session Beans This practice covers the following topics: Using JDeveloper to generate ServiceRequestFacade as a stateless session facade for entities Creating a Java …


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