hibernate/hibernate-orm 的主要功能有哪些？

hibernate/hibernate-orm 的主要功能包括：Object-Relational Mapping, Persistence Unit Managers, Persistence State Tracking, Database Abstraction Layers, Data Tenant Isolators, Complex Querying Techniques, Database Transaction Management, Write-Behind Change Tracking。

hibernate/hibernate-orm 有哪些开源替代品？

hibernate/hibernate-orm 的开源替代品包括： doctrine/orm — Doctrine ORM is a PHP object-relational mapper that connects application objects to relational database tables. It… go-gorm/gorm — GORM is a developer-focused object-relational mapping library for Go that provides a comprehensive data persistence… dotnet/efcore — Entity Framework Core is an object-relational mapper that enables developers to interact with database systems using… go-gorp/gorp — Gorp is a lightweight object-relational mapper for Go that binds structs to relational database tables. It functions… doctrine/doctrinebundle — DoctrineBundle is a Symfony integration that configures and manages the Doctrine Object Relational Mapper and Database… coleifer/peewee — Peewee is a SQL object-relational mapper and query builder that provides an object-oriented interface for mapping…

Hibernate Orm

Hibernate ORM 是一个 Java 对象关系映射器，也是 Jakarta Persistence API 的完整实现。它作为 SQL 数据库抽象层，将 Java 对象模型转换为关系数据库模式，以管理数据持久化和生命周期。

该框架以其多租户数据隔离框架而著称，可在单个数据库实例中分离客户数据。它还具有数据库模式生成器，可根据实体映射自动生成和更新关系结构。

该系统涵盖了广泛的功能领域，包括事务管理、并发锁定控制以及用于审计日志的时间数据跟踪。它通过实体图策略提供数据获取优化工具，并支持向量数据和国家化字符等高级数据类型。

该项目包含一套全面的持久层测试工具，包括数据库方言过滤和规范合规性测试。

Features

Object-Relational Mapping - Translates Java object-oriented domain models into relational database tables to manage data persistence and retrieval.
Persistence Unit Managers - Provides a system for defining entity collections and connectivity settings via persistence unit configurations.
Persistence State Tracking - Compares object snapshots against loaded states to automatically generate minimal SQL update statements during flush.
Database Abstraction Layers - Provides a unified API for interacting with multiple database engines and SQL dialects.
Data Tenant Isolators - Separates data for different customers using schema mapping and credential management within a single database instance.
Complex Querying Techniques - Provides expressive query languages to handle intricate data retrieval requirements including aggregations and joins.
Database Transaction Management - Ensures data integrity and consistency by enforcing ACID properties through programmatic transaction boundary control.
Write-Behind Change Tracking - Tracks modifications made to objects in memory and automatically persists those changes to the underlying database.
Lazy Loading Patterns - Defers the retrieval of related data from the database until the object is explicitly accessed.
First-Level Caching - Maintains a session-scoped map of entity identifiers to object instances to ensure referential integrity.
Object-Relational Mappers - Implements a framework that translates Java object models into relational database schemas to manage data persistence.
Dialect-Specific SQL Generation - Translates abstract query trees into vendor-specific SQL strings to support multiple database dialects.
Multi-Backend SQL Abstractions - Provides a persistence layer that abstracts multiple SQL dialects to ensure database portability.
Entity Mapping Metadata - Defines object-relational relationships using metadata derived from Java annotations or XML configurations.
Persistence API Implementations - Provides a full implementation of the Jakarta Persistence API (JPA) for managing data between Java applications and databases.
Multi-tenancy Isolation - Implements architectural strategies for ensuring secure data separation between customers in shared database instances.
Automated Schema Evolution - Automatically generates and updates database tables and constraints based on application domain models.
Data Fetching Optimizations - Implements techniques for optimizing how related entities are retrieved to minimize database round-trips.
Data Revision Tracking - Maintains historical versions of entities using global revision numbers to enable auditing and data recovery.
Physical Schema Exports - Provides utilities to generate physical tables, sequences, and constraints based on entity mappings.
Schema Generators - Automatically generates physical database schemas from application-level entity mappings.
Lifecycle Merge Operations - Manages object lifecycles through merge operations, entity refreshing, and cascading database operations.
Persistence Performance Tunings - Offers a set of tools to tune data access patterns and caching strategies to improve retrieval speeds.
Entity Graph Fetching - Provides strategies for defining sets of attributes to be retrieved in a single query to minimize database round-trips.
Traffic Routing - Implements logic to distribute database requests between read and write replicas to improve scalability.
DDL Script Generators - Analyzes entity metadata to produce DDL scripts that automatically align the database structure with the domain model.
Database Schema Scripting - Generates SQL DDL scripts to automatically create or update the relational database structure based on model changes.
Row-Level Security - Provides capabilities to restrict access to individual data records based on user identity or permissions.
Database Concurrency Control - Implements locking scopes and timeout configurations to manage concurrent access to database records.
Data Modification Auditing - Tracks modifications to data over time by handling temporal data and maintaining a history of changes.
Data Layer Testing - Provides a comprehensive set of specialized annotations and utilities for verifying data persistence and retrieval logic.
Specification Compliance Testing - Provides a tool to run standardized test suites to confirm a database adheres to industry specifications.
Object Relational Mapping - Core object-relational mapping functionality for Java.
Persistence Frameworks - Mature object-relational mapping framework for Java.

Star 历史

hibernatehibernate-orm

Name: hibernate/hibernate-orm
Author: hibernate

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6,447 星标3,782 分支JavaApache-2.010 次浏览hibernate.org

Hibernate Orm

该项目包含一套全面的持久层测试工具，包括数据库方言过滤和规范合规性测试。

Features

Object-Relational Mapping - Translates Java object-oriented domain models into relational database tables to manage data persistence and retrieval.
Persistence Unit Managers - Provides a system for defining entity collections and connectivity settings via persistence unit configurations.
Persistence State Tracking - Compares object snapshots against loaded states to automatically generate minimal SQL update statements during flush.
Database Abstraction Layers - Provides a unified API for interacting with multiple database engines and SQL dialects.
Data Tenant Isolators - Separates data for different customers using schema mapping and credential management within a single database instance.
Complex Querying Techniques - Provides expressive query languages to handle intricate data retrieval requirements including aggregations and joins.
Database Transaction Management - Ensures data integrity and consistency by enforcing ACID properties through programmatic transaction boundary control.
Write-Behind Change Tracking - Tracks modifications made to objects in memory and automatically persists those changes to the underlying database.
Lazy Loading Patterns - Defers the retrieval of related data from the database until the object is explicitly accessed.
First-Level Caching - Maintains a session-scoped map of entity identifiers to object instances to ensure referential integrity.
Object-Relational Mappers - Implements a framework that translates Java object models into relational database schemas to manage data persistence.
Dialect-Specific SQL Generation - Translates abstract query trees into vendor-specific SQL strings to support multiple database dialects.
Multi-Backend SQL Abstractions - Provides a persistence layer that abstracts multiple SQL dialects to ensure database portability.
Entity Mapping Metadata - Defines object-relational relationships using metadata derived from Java annotations or XML configurations.
Persistence API Implementations - Provides a full implementation of the Jakarta Persistence API (JPA) for managing data between Java applications and databases.
Multi-tenancy Isolation - Implements architectural strategies for ensuring secure data separation between customers in shared database instances.
Automated Schema Evolution - Automatically generates and updates database tables and constraints based on application domain models.
Data Fetching Optimizations - Implements techniques for optimizing how related entities are retrieved to minimize database round-trips.
Data Revision Tracking - Maintains historical versions of entities using global revision numbers to enable auditing and data recovery.
Physical Schema Exports - Provides utilities to generate physical tables, sequences, and constraints based on entity mappings.
Schema Generators - Automatically generates physical database schemas from application-level entity mappings.
Lifecycle Merge Operations - Manages object lifecycles through merge operations, entity refreshing, and cascading database operations.
Persistence Performance Tunings - Offers a set of tools to tune data access patterns and caching strategies to improve retrieval speeds.
Entity Graph Fetching - Provides strategies for defining sets of attributes to be retrieved in a single query to minimize database round-trips.
Traffic Routing - Implements logic to distribute database requests between read and write replicas to improve scalability.
DDL Script Generators - Analyzes entity metadata to produce DDL scripts that automatically align the database structure with the domain model.
Database Schema Scripting - Generates SQL DDL scripts to automatically create or update the relational database structure based on model changes.
Row-Level Security - Provides capabilities to restrict access to individual data records based on user identity or permissions.
Database Concurrency Control - Implements locking scopes and timeout configurations to manage concurrent access to database records.
Data Modification Auditing - Tracks modifications to data over time by handling temporal data and maintaining a history of changes.
Data Layer Testing - Provides a comprehensive set of specialized annotations and utilities for verifying data persistence and retrieval logic.
Specification Compliance Testing - Provides a tool to run standardized test suites to confirm a database adheres to industry specifications.
Object Relational Mapping - Core object-relational mapping functionality for Java.
Persistence Frameworks - Mature object-relational mapping framework for Java.

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常见问题解答

hibernate/hibernate-orm 是做什么的？