docs: Content SEO updates (#2990)

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This commit is contained in:
Ilkka Seppälä
2024-06-08 19:54:44 +03:00
committed by GitHub
parent cb946c0cdc
commit 6cd2d0353a
219 changed files with 3308 additions and 2819 deletions
+17 -15
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@@ -1,22 +1,24 @@
---
title: Serialized Entity
title: "Serialized Entity Pattern in Java: Streamlining Data Persistence and Exchange"
shortTitle: Serialized Entity
description: "Explore the Serialized Entity design pattern in Java for efficient object serialization and storage. Learn how this pattern facilitates easy data transfer and persistence across different systems."
categories: Data access
language: en
tag:
- Data access
- Data transfer
- Persistence
- Data access
- Data transfer
- Persistence
---
## Also known as
* Object Serialization
## Intent
## Intent of Serialized Entity Design Pattern
Enable easy conversion of Java objects to and from a serialized format, allowing them to be easily stored and transferred.
The Serialized Entity pattern in Java allows for the object serialization to simplify data transfer and storage. It enables easy conversion of Java objects to and from a serialized format, allowing them to be efficiently stored and transferred.
## Explanation
## Detailed Explanation of Serialized Entity Pattern with Real-World Examples
Real-world example
@@ -30,11 +32,11 @@ Wikipedia says
> In computing, serialization is the process of translating a data structure or object state into a format that can be stored (e.g. files in secondary storage devices, data buffers in primary storage devices) or transmitted (e.g. data streams over computer networks) and reconstructed later (possibly in a different computer environment). When the resulting series of bits is reread according to the serialization format, it can be used to create a semantically identical clone of the original object. For many complex objects, such as those that make extensive use of references, this process is not straightforward. Serialization of objects does not include any of their associated methods with which they were previously linked.
**Programmatic Example**
## Programmatic Example of Serialized Entity Pattern in Java
The Serialized Entity design pattern is a way to easily persist Java objects to the database. It uses the `Serializable` interface and the DAO (Data Access Object) pattern. The pattern first uses `Serializable` to convert a Java object into a set of bytes, then it uses the DAO pattern to store this set of bytes as a BLOB (Binary Large OBject) in the database.
First, we have the `Country` class, which is a simple POJO (Plain Old Java Object) that represents the data that will be serialized and stored in the database. It implements the `Serializable` interface, which means it can be converted to a byte stream and restored from it.
First, we have the `Country` class, which is a simple POJO (Plain Old Java Object) that represents the data that will be serialized and stored in the database. Implementing the Java `Serializable` interface is crucial in the Serialized Entity design pattern, which means that the object can be converted to a byte stream and restored from it.
```java
@Getter
@@ -163,19 +165,19 @@ Console output:
This is a basic example of the Serialized Entity design pattern. It shows how to serialize Java objects, store them in a database, and then retrieve and deserialize them.
## Applicability
## When to Use the Serialized Entity Pattern in Java
* Use when you need to persist the state of an object or transfer objects between different tiers of an application.
* This pattern is especially useful for applications requiring data persistence across various states in Java environments.
* Useful in scenarios where objects need to be shared over a network or saved to a file.
## Known Uses
## Real-World Applications of Serialized Entity Pattern in Java
* Java's built-in serialization mechanism using `Serializable` interface.
* Storing session data in web applications.
* Caching objects to improve performance.
* Transferring objects in distributed systems using RMI or other RPC mechanisms.
## Consequences
## Benefits and Trade-offs of Serialized Entity Pattern
Benefits:
@@ -189,13 +191,13 @@ Trade-offs:
* Serialized formats may not be easily readable or editable by humans.
* Changes to the class structure may break compatibility with previously serialized data.
## Related Patterns
## Related Java Design Patterns
* [Data Transfer Object (DTO)](https://java-design-patterns.com/patterns/data-transfer-object/): Used to encapsulate data and send it over the network. Often serialized for transmission.
* [Memento](https://java-design-patterns.com/patterns/memento/): Provides a way to capture and restore an object's state, often using serialization.
* [Proxy](https://java-design-patterns.com/patterns/proxy/): Proxies can serialize requests to interact with remote objects.
## Credits
## References and Credits
* [Design Patterns: Elements of Reusable Object-Oriented Software](https://amzn.to/3w0pvKI)
* [Effective Java](https://amzn.to/4cGk2Jz)