feat(QTDI-2215):deserialize a json to a Schema instance #1145
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* fix(QTDI-2215): Add schema/Entry pojo. --------- Co-authored-by: yyin-talend <yueyan.yin@qlik.com>
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Pull request overview
This PR adds JSON deserialization capability for Schema and Entry models, enabling the component server to parse JSON representations into Schema instances. The changes support comprehensive schema definition including all data types, nested structures, metadata entries, and logical types.
Changes:
- Added Schema and Entry model classes with Jackson deserialization support
- Implemented comprehensive test coverage for all schema types and field parameters
- Moved component-server-api dependency to test scope and added jackson-databind for testing
Reviewed changes
Copilot reviewed 5 out of 6 changed files in this pull request and generated 4 comments.
Show a summary per file
| File | Description |
|---|---|
| Schema.java | New model class representing schema structure with type, entries, metadata, and properties |
| Entry.java | New model class representing schema entry with support for nested schemas and typed default values |
| SchemaTest.java | Comprehensive test suite covering serialization/deserialization of all schema types and configurations |
| EntryTest.java | Unit tests for Entry class including JSON deserialization and accessor methods |
| pom.xml | Dependency reorganization moving component-server-api to test scope and adding jackson-databind |
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| public String getProp(final String key) { | ||
| return this.props.get(key); |
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The getProp method will throw NullPointerException if props is null. Add a null check before accessing props, or ensure props is never null in the constructor.
.../component-server-model/src/main/java/org/talend/sdk/component/server/front/model/Entry.java
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.../component-server-model/src/main/java/org/talend/sdk/component/server/front/model/Entry.java
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| private Object getInternalDefaultValue() { | ||
| return defaultValue; | ||
| } |
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The getInternalDefaultValue method appears to be a simple getter for the defaultValue field. Consider removing this method and accessing the field directly in getDefaultValue() to reduce unnecessary indirection.
ypiel-talend
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ypiel-talend
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Some minor changes requested
| </dependency> | ||
| <dependency> | ||
| <groupId>org.talend.sdk.component</groupId> | ||
| <artifactId>component-server-api</artifactId> |
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Why it has been moved ?
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I'm not sure the reason. but it just moved from line 66 to line 189...
| </dependency> | ||
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| <dependency> | ||
| <groupId>com.fasterxml.jackson.core</groupId> |
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You can remove this dependency
...component-server-model/src/main/java/org/talend/sdk/component/server/front/model/Schema.java
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Requirements
Why this PR is needed?
What does this PR adds (design/code thoughts)?