From the course: Java EE: Concurrency and Multithreading
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ContextService API
From the course: Java EE: Concurrency and Multithreading
ContextService API
- [Instructor] Let's now take a look at the last of the APIs and the Enterprise Edition concurrency utilities, the ContextService API. Before that let's quickly revise a couple of terms we have used them before, here and there, but let's take a look again. The first one is, what is a contextual object? So it is any Java object or instance which will have the particular application component's container context associated with it. And when you talk about a contextual task it is a task which is submitted to the managed resource. So when a task instance is submitted to a managed instance of the ExecutorService then the task becomes a contextual task. And when the contextual task runs the task behaves as if it were still running inside the container it was submitted with. When you have an application component like Enterprise JavaBean or a servlet then we know that the thread that is running is going to have the contextual information associated with it. Now when you talk about the…
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Contents
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Need for Java EE concurrency4m 14s
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Java EE concurrency APIs3m 52s
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Set up a Java EE RESTful application8m 4s
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Running and testing the Java EE RESTful application4m 47s
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Important Java EE terms4m 4s
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ManagedExecutorService (MES) overview3m 20s
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Define the bank account related beans and DAO class3m 28s
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Add methods in the DAO class10m 30s
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Define ReportProcessor7m 42s
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Write REST class for injecting MES objects6m 51s
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Verify code and add the REST method8m 42s
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Run and test the ManagedExecutorService application2m 59s
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ManagedScheduledExecutorService overview2m 22s
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Defining the URLProcessor for the thread's job6m 47s
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Add a REST method to call the URLProcessor5m 20s
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Important pointers and API overview6m 22s
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ManagedThreadFactory API1m 26s
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Create a single thread with ManagedThreadFactory6m 7s
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ManagedThreadFactory with ThreadPoolExecutor7m 2s
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ContextService API3m 7s
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Create a contextual proxy9m 15s
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