Home » Author Archives: Eren Avsarogullari

Author Archives: Eren Avsarogullari

High Available AMQP Backed Message Channels via Spring Integration and RabbitMQ

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Spring Integration message channels store messages in memory by default. This is because memory is fast, easy to implement and it does not create extra network cost. However, in some cases, this can cause problem because all the messages will be lost if the application crashes or the server shuts down accidentally. For such situations, Spring Integration introduces JMS & ...

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Message Processing with Spring Integration

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Spring Integration provides an extension of the Spring framework to support the well-known Enterprise Integration Patterns. It enables lightweight messaging within Spring-based applications and supports integration with external systems. One of the most important goals of Spring Integration is to provide a simple model for building maintainable and testable enterprise integration solutions.             Main Components ...

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Spring Dynamic Language Support with Groovy

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Groovy is a dynamic and object-oriented programming language running on JVM. It uses a syntax like Java, can be embedded in Java and is compiled to byte-code. Java code can be called from Groovy, and vice versa. Some of Groovy features are Meta and Functional programming, Dynamic typing (with the def keyword), Closures, GroovyBeans, Groovlets, integration with Bean Scripting Framework(BSF), ...

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Chunk Oriented Processing in Spring Batch

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Big Data Sets’ Processing is one of the most important problem in the software world. Spring Batch is a lightweight and robust batch framework to process the data sets. Spring Batch Framework offers ‘TaskletStep Oriented’ and ‘Chunk Oriented’ processing style. In this article, Chunk Oriented Processing Model is explained. Also, TaskletStep Oriented Processing in Spring Batch Article is definitely suggested ...

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Hazelcast Distributed Execution with Spring

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The ExecutorService feature had come with Java 5 and is under java.util.concurrent package. It extends the Executor interface and provides a thread pool functionality to execute asynchronous short tasks. Java Executor Service Types is suggested to look over basic ExecutorService implementation. Also ThreadPoolExecutor is a very useful implementation of ExecutorService interface. It extends AbstractExecutorService providing default implementations of ExecutorService execution ...

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TaskletStep Oriented Processing in Spring Batch

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Many enterprise applications require batch processing to process billions of transactions every day. These big transaction sets have to be processed without performance problems. Spring Batch is a lightweight and robust batch framework to process these big data sets. Spring Batch offers ‘TaskletStep Oriented’ and ‘Chunk Oriented’ processing style. In this article, TaskletStep Oriented Processing Model is explained.     ...

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Coherence Event Processing by using Map Trigger Feature

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This article shows how to process Coherence events by using Map Triggers. Basically, Distributed Data Management in Oracle Coherence is suggested to look over basic configuration and implementation of Oracle Coherence API Map Triggers are one of the most important features of Oracle Coherence to provide a highly customized cache management system. MapTrigger represents a functional agent that allows to ...

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JSF – PrimeFaces & Hibernate Integration Project

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This article shows how to develop a project by using JSF, PrimeFaces and Hibernate. A sample application is below : Used Technologies : JDK 1.6.0_21 Maven 3.0.2 JSF 2.0.3 PrimeFaces 2.2.1 Hibernate 3.6.7 MySQL Java Connector 5.1.17 MySQL 5.5.8 Apache Tomcat 7.0 STEP 1 : CREATE USER TABLE A new USER Table is created by executing below script: CREATE TABLE ...

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Java Executor Service Types

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ExecutorService feature was come with Java 5. It extends Executor interface and provides thread pool feature to execute asynchronous short tasks. There are five ways to execute the tasks asyncronously by using ExecutorService interface provided Java 6. ExecutorService execService = Executors.newCachedThreadPool(); This method of the approach creates a thread pool that creates new threads as needed, but will reuse previously ...

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Quartz 2 Scheduler example

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Quartz is an open source job scheduling framework. It can be used to manage and schedule jobs in the application. STEP 1 : CREATE MAVEN PROJECT A maven project is created as below. (It can be created by using Maven or IDE Plug-in). STEP 2 : LIBRARIES Quartz dependencies are added to Maven’ s pom.xml. These dependency libraries will be ...

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