In this post under Gson, I will explain how we can exclude certain fields of a json data from being deserialized with an example. Below is the Employee class structure that will be used to create an instance and its field are set with the values obtained from Employee.json file. Employee class public class Employee…… Continue reading ExclusionStrategy example during deserialization of object
JMS 2.0 Simple Example
In this post, I will explain how to use JMS api with simple example. Note: I will be using JMS 2.0 api for this and future examples. Below is the complete main code Main Class 1 package package1; 2 3 import java.util.Properties; 4 5 import javax.jms.ConnectionFactory; 6 import javax.jms.Destination; 7 import javax.jms.JMSException; 8 import javax.naming.Context;…… Continue reading JMS 2.0 Simple Example
Listening to Skip events using SkipListener
In this post under Spring Batch, I will explain with an example of how to listen to skip events. The skip events are generated during reading, writing, and processing of records. We can listen to these skip events with the help of org.springframework.batch.core.SkipListener interface. The SkipListener interface has three methods1) onSkipInProcesspurpose –> provide implementation for…… Continue reading Listening to Skip events using SkipListener
ExclusionStrategy example during serialization of object
In this post under Gson, I will explain how we can exclude certain fields of a class from being serialized with an example. Below is the Employee class structure that we want to serialize Employee public class Employee { private int id; private String name; private int ssn; private boolean terminated; public int getId() {…… Continue reading ExclusionStrategy example during serialization of object
Deserializing YAML data to Java object
In this post under YamlBeans, I will show with an example of how to deserialize a YAML data to Java object. Main Code 1 import java.io.File; 2 import java.io.FileReader; 3 import java.io.IOException; 4 5 import com.esotericsoftware.yamlbeans.YamlReader; 6 7 public class YamlDemo2 { 8 public static void main(String[] args) { 9 File file = new File(“input1.yml”);…… Continue reading Deserializing YAML data to Java object
Skipping records during record reading, processing or writing
While reading a record from a file, processing already read record, or writing a record to a file, exceptions happens. Sometimes the exceptions are not so serious and we can skip it. We can configure the Spring Batch to skip the current record if an exception happens. As shown below XML code 1 <batch:job id=”importEmployees”>…… Continue reading Skipping records during record reading, processing or writing
JCache EternalExpiryPolicy Example
This post explains EternalExpiryPolicy with simple example. EternalExpiryPolicy is an expiry policy used to inform cache to never remove entries in the cache. Below is an example of how to use it. Main Code 1 import java.util.Iterator; 2 3 import javax.cache.Cache; 4 import javax.cache.Cache.Entry; 5 import javax.cache.CacheManager; 6 import javax.cache.Caching; 7 import javax.cache.configuration.Factory; 8 import…… Continue reading JCache EternalExpiryPolicy Example
Serializing Java object to YAML format
In this post under YamlBeans, I will show with an example of how to serialize a Java object to YAML format. Below is the complete code Main Code 1 import java.io.File; 2 import java.io.FileWriter; 3 import java.io.IOException; 4 import java.util.ArrayList; 5 import java.util.List; 6 7 import com.esotericsoftware.yamlbeans.YamlWriter; 8 9 public class YamlDemo1 { 10 public…… Continue reading Serializing Java object to YAML format
Annotation Since and setVersion method
In this post under Gson, I will explain with an example how to use @Since annotation. The @Since annotation is used in combination with “GsonBuilder.setVersion” method. The annotation has no effect if it is not used along with “GsonBuilder.setVersion” method. The @Since annotation is used for the fields of the class and it accepts a…… Continue reading Annotation Since and setVersion method
Annotation Until and setVersion method
In this post under Gson, I will explain with an example how to use @Until annotation. The @Until annotation is used in combination with “GsonBuilder.setVersion” method. The annotation has no effect if it is not used along with “GsonBuilder.setVersion” method. The @Until annotation is used for the fields of the class and it accepts a…… Continue reading Annotation Until and setVersion method
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