Martini Package Directory Structure

Overview

Martini packages, essential to the functionality and organization within the Martini platform, follow a standardized directory structure. This structure facilitates the management and modularization of various package components.

Standard Directory Structure

A typical Martini package contains the following directory layout:

package
├── code
├── conf
│   └── package.xml
│   └── properties
│       └── package.properties
│       └── <prefix>.package.properties
├── lib
├── solr
├── web

Directory Descriptions

`code`

This directory houses service source files and their corresponding byte code files. Adherence to Java naming conventions (as per Java Language Specification 6.2) is mandatory for all files and directories under code. This ensures clarity and maintainability of the codebase.

`conf`

The conf directory contains configuration files crucial for the package. This includes the package.xml file, which stores package metadata, and various .properties files for detailed configuration settings.

`lib`

The lib directory is intended for additional .jar files that your package might require. Classes within these JAR files are accessible through your package's classloader, thereby extending the functionality available in your code.

`solr`

For packages utilizing embedded Solr cores, this directory holds the necessary schema files, allowing for sophisticated data indexing and search capabilities within the package.

`web`

This directory is designated for Java web application resources. It becomes particularly important when hosting web applications via Martini's embedded Tomcat server. Note that the web directory can be created only for packages that are loaded but not started; modifications are restricted once the package is started.

Creating Custom Directories

You can add custom or optional directories to a Martini package by right-clicking the package and selecting New > Folder. This flexibility allows for tailored package structures to suit specific project requirements.

Package Configuration XML File

Essential Configuration

The package.xml file, located in the conf directory, is pivotal. It holds metadata about the package, defines Martini endpoints, lists custom Solr cores, specifies Spring context files, and outlines JMS destinations.

Modifying `package.xml`

Direct modifications to package.xml can be reflected based on the package.config-cache-strategy setting. The three possible settings are: - directory-watcher-cache: Monitors changes using a directory watcher. - last-modified-cache: Checks the last modified time, suitable for development but not recommended for production. - simple-map-cache: Ignores runtime changes, requiring a restart to reflect modifications. Recommended for production environments.

Example XML Document

An example of a package.xml.

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Notes

Custom Package Path: The package home path can be customized via the package.home application property.
File Types and Counterparts: Groovy (.groovy) and Java (.java) files in the code directory typically have .class file counterparts.