mirror of
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docs: update Java documentation to match actual implementation
Java docs incorrectly referenced codeflash.toml (which doesn't exist) and omitted Java from several pages despite being fully implemented. Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
This commit is contained in:
Mohamed Ashraf
parent
fdf74e255b
commit
0acb2c944d
7 changed files with 116 additions and 88 deletions
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@ -21,7 +21,7 @@ codeflash/
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├── api/ # AI service communication
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├── code_utils/ # Code parsing, git utilities
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├── models/ # Pydantic models and types
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├── languages/ # Multi-language support (Python, JavaScript/TypeScript, Java planned)
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├── languages/ # Multi-language support (Python, JavaScript/TypeScript, Java)
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│ ├── base.py # LanguageSupport protocol and shared data types
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│ ├── registry.py # Language registration and lookup by extension/enum
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│ ├── current.py # Current language singleton (set_current_language / current_language_support)
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@ -35,11 +35,29 @@ codeflash/
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│ │ ├── test_runner.py # Test subprocess execution for Python
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│ │ ├── instrument_codeflash_capture.py # Instrument __init__ with capture decorators
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│ │ └── parse_line_profile_test_output.py # Parse line profiler output
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│ └── javascript/
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│ ├── support.py # JavaScriptSupport (LanguageSupport implementation)
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│ ├── function_optimizer.py # JavaScriptFunctionOptimizer subclass
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│ ├── optimizer.py # JS project root finding & module preparation
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│ └── normalizer.py # JS/TS code normalization for deduplication
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│ ├── javascript/
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│ │ ├── support.py # JavaScriptSupport (LanguageSupport implementation)
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│ │ ├── function_optimizer.py # JavaScriptFunctionOptimizer subclass
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│ │ ├── optimizer.py # JS project root finding & module preparation
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│ │ └── normalizer.py # JS/TS code normalization for deduplication
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│ └── java/
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│ ├── support.py # JavaSupport (LanguageSupport implementation)
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│ ├── function_optimizer.py # JavaFunctionOptimizer subclass
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│ ├── build_tool_strategy.py # Abstract BuildToolStrategy for Maven/Gradle
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│ ├── maven_strategy.py # Maven build tool strategy
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│ ├── gradle_strategy.py # Gradle build tool strategy
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│ ├── build_tools.py # Build tool detection and project info
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│ ├── build_config_strategy.py # Config read/write for pom.xml / gradle.properties
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│ ├── test_runner.py # Test execution via Maven/Gradle
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│ ├── instrumentation.py # Behavior capture and benchmarking instrumentation
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│ ├── discovery.py # Function discovery using tree-sitter
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│ ├── test_discovery.py # Test discovery for JUnit/TestNG
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│ ├── context.py # Code context extraction
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│ ├── comparator.py # Test result comparison
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│ ├── config.py # Java project detection and config
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│ ├── formatter.py # Code formatting and normalization
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│ ├── line_profiler.py # JVM bytecode agent-based line profiling
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│ └── tracer.py # Two-stage JFR + argument capture tracer
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├── setup/ # Config schema, auto-detection, first-run experience
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├── picklepatch/ # Serialization/deserialization utilities
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├── tracing/ # Function call tracing
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@ -57,7 +75,7 @@ codeflash/
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|------|------------|
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| CLI arguments & commands | `cli_cmds/cli.py` (parsing), `main.py` (subcommand dispatch) |
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| Optimization orchestration | `optimization/optimizer.py` → `run()` |
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| Per-function optimization | `languages/function_optimizer.py` (base), `languages/python/function_optimizer.py`, `languages/javascript/function_optimizer.py` |
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| Per-function optimization | `languages/function_optimizer.py` (base), `languages/python/function_optimizer.py`, `languages/javascript/function_optimizer.py`, `languages/java/function_optimizer.py` |
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| Function discovery | `discovery/functions_to_optimize.py` |
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| Context extraction | `languages/<lang>/context/code_context_extractor.py` |
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| Test execution | `languages/<lang>/support.py` (`run_behavioral_tests`, etc.), `verification/pytest_plugin.py` |
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@ -67,7 +85,7 @@ codeflash/
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## LanguageSupport Protocol Methods
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Core protocol in `languages/base.py`. Each language (`PythonSupport`, `JavaScriptSupport`) implements these.
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Core protocol in `languages/base.py`. Each language (`PythonSupport`, `JavaScriptSupport`, `JavaSupport`) implements these.
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| Category | Method/Property | Purpose |
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|----------|----------------|---------|
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@ -29,7 +29,7 @@ Flags can be combined: `/optimize src/utils.py my_function`
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### What happens behind the scenes
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1. The skill (defined in `skills/optimize/SKILL.md`) forks context and spawns the **optimizer agent**
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2. The agent locates your project config (`pyproject.toml` or `package.json` or `codeflash.toml`)
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2. The agent locates your project config (`pyproject.toml`, `package.json`, or `pom.xml`/`gradle.properties`)
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3. It verifies the codeflash CLI is installed and the project is configured
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4. It runs `codeflash --subagent` as a **background task** with a 10-minute timeout
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5. You're notified when optimization completes with results
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@ -1,43 +1,52 @@
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---
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title: "Java Configuration"
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description: "Configure Codeflash for Java projects using codeflash.toml"
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description: "Configure Codeflash for Java projects"
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icon: "java"
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sidebarTitle: "Java (codeflash.toml)"
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sidebarTitle: "Java"
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keywords:
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[
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"configuration",
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"codeflash.toml",
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"java",
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"maven",
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"gradle",
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"junit",
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"pom.xml",
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"gradle.properties",
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]
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---
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# Java Configuration
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Codeflash stores its configuration in `codeflash.toml` under the `[tool.codeflash]` section.
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Codeflash stores its configuration inside your existing build file — `pom.xml` properties for Maven projects, or `gradle.properties` for Gradle projects. No separate config file is needed.
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## Full Reference
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## Maven Configuration
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```toml
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[tool.codeflash]
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# Required
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module-root = "src/main/java"
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tests-root = "src/test/java"
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language = "java"
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For Maven projects, Codeflash writes properties under the `<properties>` section of your `pom.xml` with the `codeflash.` prefix:
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# Optional
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test-framework = "junit5" # "junit5", "junit4", or "testng"
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disable-telemetry = false
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git-remote = "origin"
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ignore-paths = ["src/main/java/generated/"]
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```xml
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<properties>
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<!-- Only non-default overrides are written -->
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<codeflash.moduleRoot>src/main/java</codeflash.moduleRoot>
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<codeflash.testsRoot>src/test/java</codeflash.testsRoot>
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<codeflash.gitRemote>origin</codeflash.gitRemote>
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<codeflash.formatterCmds>mvn spotless:apply -DspotlessFiles=$file</codeflash.formatterCmds>
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<codeflash.disableTelemetry>false</codeflash.disableTelemetry>
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<codeflash.ignorePaths>src/main/java/generated/</codeflash.ignorePaths>
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</properties>
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```
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All file paths are relative to the directory containing `codeflash.toml`.
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## Gradle Configuration
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For Gradle projects, Codeflash writes settings to `gradle.properties` with the `codeflash.` prefix:
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```properties
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codeflash.moduleRoot=src/main/java
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codeflash.testsRoot=src/test/java
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codeflash.gitRemote=origin
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```
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<Info>
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Codeflash auto-detects most settings from your project structure. Running `codeflash init` will set up the correct config — manual configuration is usually not needed.
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Codeflash auto-detects most settings from your project structure. Running `codeflash init` will set up the correct config — manual configuration is usually not needed. For standard Maven/Gradle layouts, Codeflash may write no config at all if all defaults are correct.
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</Info>
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## Auto-Detection
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@ -46,54 +55,42 @@ When you run `codeflash init`, Codeflash inspects your project and auto-detects:
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| Setting | Detection logic |
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|---------|----------------|
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| `module-root` | Looks for `src/main/java` (Maven/Gradle standard layout) |
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| `tests-root` | Looks for `src/test/java`, `test/`, `tests/` |
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| `language` | Detected from build files (`pom.xml`, `build.gradle`) and `.java` files |
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| `test-framework` | Checks build file dependencies for JUnit 5, JUnit 4, or TestNG |
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| **Source root** | Looks for `src/main/java` (Maven/Gradle standard layout), falls back to pom.xml `sourceDirectory` |
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| **Test root** | Looks for `src/test/java`, `test/`, `tests/` |
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| **Build tool** | Detects Maven (`pom.xml`) or Gradle (`build.gradle` / `build.gradle.kts`) |
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| **Test framework** | Checks build file dependencies for JUnit 5, JUnit 4, or TestNG |
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## Required Options
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## Configuration Options
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- **`module-root`**: The source directory to optimize. Only code under this directory is discovered for optimization. For standard Maven/Gradle projects, this is `src/main/java`.
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- **`tests-root`**: The directory where your tests are located. Codeflash discovers existing tests and places generated replay tests here.
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- **`language`**: Must be set to `"java"` for Java projects.
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| Property | Description | Default |
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|----------|-------------|---------|
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| `moduleRoot` | Source directory to optimize | `src/main/java` |
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| `testsRoot` | Test directory | `src/test/java` |
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| `gitRemote` | Git remote for pull requests | `origin` |
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| `formatterCmds` | Code formatter command (`$file` placeholder for file path) | (none) |
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| `disableTelemetry` | Disable anonymized telemetry | `false` |
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| `ignorePaths` | Paths within source root to skip during optimization | (none) |
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## Optional Options
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- **`test-framework`**: Test framework. Auto-detected from build dependencies. Supported values: `"junit5"` (default), `"junit4"`, `"testng"`.
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- **`disable-telemetry`**: Disable anonymized telemetry. Defaults to `false`.
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- **`git-remote`**: Git remote for pull requests. Defaults to `"origin"`.
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- **`ignore-paths`**: Paths within `module-root` to skip during optimization.
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<Info>
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Only non-default values are written to the config. If your project uses the standard `src/main/java` and `src/test/java` layout with the default `origin` remote, Codeflash may not need to write any config properties at all.
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</Info>
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## Multi-Module Projects
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For multi-module Maven/Gradle projects, place `codeflash.toml` at the project root and set `module-root` to the module you want to optimize:
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For multi-module Maven/Gradle projects, run `codeflash init` from the module you want to optimize. The config is written to that module's `pom.xml` or `gradle.properties`:
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```text
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my-project/
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|- client/
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| |- src/main/java/com/example/client/
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| |- src/test/java/com/example/client/
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| |- pom.xml <-- run codeflash init here
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|- server/
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| |- src/main/java/com/example/server/
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|- pom.xml
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|- codeflash.toml
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```
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```toml
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[tool.codeflash]
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module-root = "client/src/main/java"
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tests-root = "client/src/test/java"
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language = "java"
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```
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For non-standard layouts (like the Aerospike client where source is under `client/src/`), adjust paths accordingly:
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```toml
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[tool.codeflash]
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module-root = "client/src"
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tests-root = "test/src"
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language = "java"
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```
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For non-standard layouts (like the Aerospike client where source is under `client/src/`), `codeflash init` will prompt you to override the detected paths.
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## Tracer Options
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@ -124,15 +121,9 @@ my-app/
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| |- test/java/com/example/
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| |- AppTest.java
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|- pom.xml
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|- codeflash.toml
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```
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```toml
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[tool.codeflash]
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module-root = "src/main/java"
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tests-root = "src/test/java"
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language = "java"
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```
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Standard layout — no extra config needed. `codeflash init` detects everything automatically.
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### Gradle project
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@ -142,12 +133,7 @@ my-lib/
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| |- main/java/com/example/
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| |- test/java/com/example/
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|- build.gradle
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|- codeflash.toml
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|- gradle.properties <-- codeflash config written here if overrides needed
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```
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```toml
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[tool.codeflash]
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module-root = "src/main/java"
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tests-root = "src/test/java"
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language = "java"
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```
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Standard layout — no extra config needed. `codeflash init` detects everything automatically.
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@ -58,29 +58,31 @@ codeflash init
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This will:
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- Detect your build tool (Maven/Gradle)
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- Find your source and test directories
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- Update your pom.xml or gradle settings with codeflash java library. The java library instruments your code and verifies correctness.
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- Write Codeflash configuration to your `pom.xml` properties (Maven) or `gradle.properties` (Gradle)
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</Step>
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<Step title="Run your first optimization">
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Trace and optimize a Java program:
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Optimize a specific function:
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```bash
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codeflash optimize java -jar target/my-app.jar
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codeflash --file src/main/java/com/example/Utils.java --function myMethod
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```
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Or with Maven:
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Or optimize all functions in your project:
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```bash
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codeflash optimize mvn exec:java -Dexec.mainClass="com.example.Main"
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codeflash --all
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```
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Codeflash will:
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1. Profile your program using JFR (Java Flight Recorder)
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2. Capture method arguments using a bytecode instrumentation agent
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3. Generate JUnit replay tests from the captured data to create a micro-benchmark.
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4. Rank functions by performance impact
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5. Optimize the most impactful functions
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1. Discover optimizable functions in your source code
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2. Generate tests and optimization candidates using AI
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3. Verify correctness by running tests (JUnit 5, JUnit 4, or TestNG)
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4. Benchmark performance improvements
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5. Create a pull request with the optimization (if the GitHub App is installed)
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For advanced workflow tracing (profiling a running Java program), see [Trace & Optimize](/optimizing-with-codeflash/trace-and-optimize).
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</Step>
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</Steps>
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@ -2,11 +2,11 @@
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title: "Codeflash is an AI performance optimizer for your code"
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icon: "rocket"
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sidebarTitle: "Overview"
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keywords: ["python", "javascript", "typescript", "performance", "optimization", "AI", "code analysis", "benchmarking"]
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keywords: ["python", "javascript", "typescript", "java", "performance", "optimization", "AI", "code analysis", "benchmarking"]
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---
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Codeflash speeds up your code by figuring out the best way to rewrite it while verifying that the behavior is unchanged, and verifying real speed
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gains through performance benchmarking. It supports **Python**, **JavaScript**, and **TypeScript**.
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gains through performance benchmarking. It supports **Python**, **JavaScript**, **TypeScript**, and **Java**.
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The optimizations Codeflash finds are generally better algorithms, opportunities to remove wasteful compute, better logic, utilizing caching and utilization of more efficient library methods. Codeflash
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does not modify the system architecture of your code, but it tries to find the most efficient implementation of your current architecture.
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@ -15,18 +15,21 @@ does not modify the system architecture of your code, but it tries to find the m
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Pick your language to install and configure Codeflash:
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<CardGroup cols={2}>
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<CardGroup cols={3}>
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<Card title="Python" icon="python" href="/getting-started/local-installation">
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Install via pip, uv, or poetry. Configure in `pyproject.toml`.
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</Card>
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<Card title="JavaScript / TypeScript" icon="js" href="/getting-started/javascript-installation">
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Install via npm, yarn, pnpm, or bun. Configure in `package.json`. Supports Jest, Vitest, and Mocha.
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</Card>
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<Card title="Java" icon="java" href="/getting-started/java-installation">
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Install via uv. Supports Maven and Gradle. JUnit 5, JUnit 4, and TestNG.
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</Card>
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</CardGroup>
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### How to use Codeflash
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These commands work for both Python and JS/TS projects:
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These commands work for Python, JS/TS, and Java projects:
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<CardGroup cols={2}>
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<Card title="Optimize a Function" icon="bullseye" href="/optimizing-with-codeflash/one-function">
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@ -56,13 +59,16 @@ These commands work for both Python and JS/TS projects:
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### Configuration Reference
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<CardGroup cols={2}>
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<CardGroup cols={3}>
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<Card title="Python Config" icon="python" href="/configuration/python">
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`pyproject.toml` reference
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</Card>
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<Card title="JS / TS Config" icon="js" href="/configuration/javascript">
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`package.json` reference — includes monorepo, scattered tests, manual setup
|
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</Card>
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<Card title="Java Config" icon="java" href="/configuration/java">
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`pom.xml` / `gradle.properties` reference
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</Card>
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</CardGroup>
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### How does Codeflash verify correctness?
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|
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@ -9,7 +9,7 @@ keywords: ["codebase optimization", "all functions", "batch optimization", "gith
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# Optimize your entire codebase
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Codeflash can optimize your entire codebase by analyzing all the functions in your project and generating optimized versions of them.
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It iterates through all the functions in your codebase and optimizes them one by one. This works for Python, JavaScript, and TypeScript projects.
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It iterates through all the functions in your codebase and optimizes them one by one. This works for Python, JavaScript, TypeScript, and Java projects.
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To optimize your entire codebase, run the following command in your project directory:
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|
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@ -13,6 +13,7 @@ keywords:
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"javascript",
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"typescript",
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"python",
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"java",
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]
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---
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@ -45,6 +46,11 @@ codeflash --file path/to/your/file.js --function functionName
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codeflash --file path/to/your/file.ts --function functionName
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```
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</Tab>
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<Tab title="Java">
|
||||
```bash
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||||
codeflash --file src/main/java/com/example/Utils.java --function methodName
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```
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</Tab>
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</Tabs>
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If you have installed the GitHub App to your repository, the above command will open a pull request with the optimized function.
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@ -61,6 +67,11 @@ codeflash --file path/to/your/file.py --function function_name --no-pr
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codeflash --file path/to/your/file.ts --function functionName --no-pr
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```
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</Tab>
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||||
<Tab title="Java">
|
||||
```bash
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||||
codeflash --file src/main/java/com/example/Utils.java --function methodName --no-pr
|
||||
```
|
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</Tab>
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</Tabs>
|
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### Optimizing class methods
|
||||
|
|
@ -78,4 +89,9 @@ codeflash --file path/to/your/file.py --function ClassName.method_name
|
|||
codeflash --file path/to/your/file.ts --function ClassName.methodName
|
||||
```
|
||||
</Tab>
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<Tab title="Java">
|
||||
```bash
|
||||
codeflash --file src/main/java/com/example/Utils.java --function methodName
|
||||
```
|
||||
</Tab>
|
||||
</Tabs>
|
||||
|
|
|
|||
Loading…
Reference in a new issue