Jsonbcreator !full! -

Cannot use @JsonbCreator with absent fields #121 ... Section 4.5 say: In case a field required for a parameter mapping doesn't exi... GitHub JsonbCreator (JSON-B API 3.0.1 API) - Jakarta® EE Annotation Type JsonbCreator ... This annotation identifies the custom constructor or factory method to use when creating an insta... Jakarta® EE JsonbCreator (Jakarta EE Platform API) Annotation Type JsonbCreator ... This annotation identifies the custom constructor or factory method to use when creating an insta... Jakarta® EE JSONB1 style output missing @JsonbCreator for enum #1533 - GitHub Jun 17, 2023 —

Here’s a comprehensive write-up on JSONBCreator , a conceptual or real-world tool/library for working with JSONB (Binary JSON) data, typically in the context of PostgreSQL or similar databases.

JSONBCreator: A Comprehensive Guide 1. Introduction JSONBCreator is a utility library or API component designed to simplify the creation, manipulation, and serialization of JSONB (JSON Binary) data. JSONB is a binary representation of JSON used primarily by PostgreSQL (and some other databases) to allow efficient indexing, querying, and storage of semi-structured data. While standard JSON is text-based, JSONB stores data in a decomposed binary format, which eliminates whitespace, reorders keys, and enables faster access. JSONBCreator bridges the gap between application-level JSON objects and database-optimized JSONB structures. 2. Key Features

Programmatic JSONB Construction Build JSONB objects using chained methods or declarative schemas without manual string concatenation. jsonbcreator

Type Safety Enforce JSON data types (string, number, boolean, null, array, object) at creation time.

Performance Optimization Generate JSONB directly in binary format (if native driver support exists) or produce optimized JSON strings ready for CAST(... AS JSONB) .

Nesting & Hierarchies Seamlessly create nested objects and arrays with intuitive syntax. Cannot use @JsonbCreator with absent fields #121

Database Integration Output SQL-compatible JSONB literals or parameter placeholders for prepared statements.

Validation Validate against a JSON Schema before conversion to JSONB to prevent malformed data.

3. Typical Use Cases | Use Case | Description | |----------|-------------| | Dynamic Forms | Convert user-submitted form data into JSONB columns without manual escaping. | | API Payloads | Transform incoming REST/GraphQL payloads into JSONB for storage. | | Configuration Management | Build nested configuration objects on the fly. | | Audit Logging | Create structured audit entries with timestamps, user IDs, and actions. | | EAV (Entity-Attribute-Value) | Replace EAV tables with flexible JSONB documents. | 4. Example API (Conceptual) Below is an example of how JSONBCreator might be used in a Node.js/Python/Java environment. JavaScript/Node.js Example const { JSONBCreator } = require('jsonb-creator'); // Create a JSONB object for a product const productJSONB = JSONBCreator.object() .set('id', 101) .set('name', 'Ergonomic Chair') .set('price', 299.99) .set('in_stock', true) .set('tags', ['office', 'furniture', 'ergonomic']) .set('dimensions', JSONBCreator.object() .set('height_cm', 110) .set('width_cm', 65) .set('depth_cm', 70) ) .build(); // Output as JSON string ready for JSONB cast console.log(productJSONB.toJSONString()); // {"id":101,"name":"Ergonomic Chair","price":299.99,"in_stock":true,"tags":["office","furniture","ergonomic"],"dimensions":{"height_cm":110,"width_cm":65,"depth_cm":70}} // For PostgreSQL INSERT const sql = INSERT INTO products (data) VALUES ($1::jsonb) ; // Use productJSONB.toJSONString() as parameter value This annotation identifies the custom constructor or factory

Python Example from jsonb_creator import JSONBCreator creator = JSONBCreator() doc = creator.object() .put("user_id", 42) .put("action", "login") .put("metadata", creator.object() .put("ip", "192.168.1.10") .put("device", "mobile") ) .put("success", True) .build() print(doc.to_jsonb()) b'\x88\x00...' (binary representation if supported)

5. JSONB vs. JSON: Why Use JSONBCreator? | Aspect | JSON | JSONB | |--------|------|-------| | Storage format | Plain text | Binary | | Input parsing | Slower (re-parsed each time) | Faster (binary ready) | | Index support | Limited (expression indexes) | Full GIN indexing | | Key ordering | Preserved | Not preserved (normalized) | | Whitespace | Preserved | Removed | | Duplicate keys | Last one wins (per spec) | Not allowed | JSONBCreator helps you avoid accidental whitespace bloat, duplicate keys, and ensures your output is canonical for JSONB. 6. Advanced Capabilities a. Schema Validation const schema = { type: "object", properties: { email: { type: "string", format: "email" }, age: { type: "integer", minimum: 0 } }, required: ["email"] }; const builder = JSONBCreator.validatedBuilder(schema); builder.set("email", "user@example.com").set("age", 25); const jsonb = builder.build(); // succeeds builder.set("age", -5); // throws ValidationError