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README.txt
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README.txt
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Copyright 2014 Mahiar Mody.
Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.
You may obtain a copy of the License at
http://www.apache.org/licenses/LICENSE-2.0
Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License.
Created by: Mahiar Mody
This is the ReadMe file for the MyBatis Generator Jaxb annotations Plugin
Contents:
1. THE JAXB ANNOTATIONS PLUGIN JAR FILE NAME AND LOCATION IN THE BINARY DISTRIBUTION ARCHIVE
2. DEPENDENCIES
3. PLUGIN USAGE
4. STRUCTURE OF THE JAXB ANNOTATIONS PLUGIN PROJECT
5. TO BUILD AND TEST THE JAXB ANNOTATIONS PLUGIN FROM SOURCE
1. THE JAXB ANNOTATIONS PLUGIN JAR FILE NAME AND LOCATION IN THE BINARY DISTRIBUTION ARCHIVE
=============================================================================================
JaxbAnnotations-1.0.0.jar is the only file needed to add JAXB annotation
support to the MyBatis Generator Tool. Extract it from the lib directory in the
mbg-plugin-jaxb-1.0.0-binary.zip or mbg-plugin-jaxb-1.0.0-binary.tar.gz archive,
add it to the classpath of your project, along with the MyBatis Generator's JAR file.
2. DEPENDENCIES
================
There are no dependencies beyond the JRE and the MyBatis Generator Tool itself.
JRE 5.0 or above is required to use this plugin.
When this plugin is built from source, JRE 6.0 and above is required to run
the test cases. Also, the HSQLDB Jar file / dependency is required to create
the test case database and test case tables. This plugin is developed using Maven
and consequently, to generate this plugin from source, Maven also needs to be
installed on your computer.
3. PLUGIN USAGE
================
To use this plugin in its simplest form, simply add the following line under the
<context ....> element of the MyBatis Generator's XML configuration file:
<plugin type="org.mybatis.generator.plugins.annotations.FieldTypeJaxbAnnotations" />
or
<plugin type="org.mybatis.generator.plugins.annotations.PropertyTypeJaxbAnnotations" />
depending upon your requirement to annotate fields or methods (properties).
Please refer to the plugin's Java Doc API for a detailed description on how to
use this plugin. The Java Doc API can be found in the docs directory of the
mbg-plugin-jaxb-1.0.0-binary.zip & mbg-plugin-jaxb-1.0.0-binary.tar.gz archives.
For convenience the above-mentioned javadocs are also compressed into a jar archive
named jaxbAnnotations-1.0.0-javadoc.jar that is located in the lib dirctory of the
mbg-plugin-jaxb-1.0.0-binary.zip & mbg-plugin-jaxb-1.0.0-binary.tar.gz archives.
To use this plugin, add the JaxbAnnotations-1.0.0.jar to the classpath of your project,
along with the MyBatis Generator's JAR file, in order to add JAXB annotations to
the generated model classes. The JaxbAnnotations-1.0.0.jar file is located in the lib
directory of the mbg-plugin-jaxb-1.0.0-binary.zip & mbg-plugin-jaxb-1.0.0-binary.tar.gz
archives.
4. STRUCTURE OF THE JAXB ANNOTATIONS PLUGIN PROJECT
=====================================================
Project install directory
---------------------------
The entire project is rooted at (installed in) the directory named jaxbAnnotations-plugin.
See the mbg-plugin-jaxb-1.0.0-source.tar.gz or mbg-plugin-jaxb-1.0.0-source.zip archive files.
The Project submodules
------------------------
This project is divided into two submodules named jaxbAnnotations and jaxbAnnotationsTests.
The jaxbAnnotations submodule contains the JAXB annotations plugin source code, the
JAXB annotations plugin documentation (in the source code itself as JavaDoc comments),
and the maven assembly descriptor files (in the assembly directory) required to created
the final plugin binary and source distributions.
The jaxbAnnotationsTests submodule contains the JAXB annotations plugin JUnit test case
source code, along with the corresponding test resources.
The Java source code (java model classes) that are to be tested for the presense of
JAXB annotations by the JUnit test cases cannot exist in this submodule, because these
java model classes are only dynamically generated when the MyBatis Generator is run,
based upon the underlying database table structures.
5. TO BUILD AND TEST THE JAXB ANNOTATIONS PLUGIN FROM SOURCE
=============================================================
The JAXB Annotations Plugin is developed using Maven. Hence, to build this plugin from
source you'll need to have Maven installed on your computer.
Copy the jaxbAnnotations-plugin directory recursively to any directory of your choice.
Next, move into the jaxbAnnotations-plugin directory just copied and give the command:
mvn clean install
That's it.
How this plugin build works
----------------------------
A.
The submodule jaxbAnnotations is the first to be built.
B.
The jaxbAnnotations submodule build includes compiling all the JAXB Annotations plugin
source files, compiled for jdk version 1.5, followed by the creation of the JAXB annotations
plugin JAR file, and the Java Docs for this plugin. During the "package" phase, the JAXB
annotations plugin source and binary distribution archives are created.
During the final "install" phase the JAXB annotations plugin JAR file is copied to the
local maven repository usually named: ".m2".
C.
The submodule jaxbAnnotationsTests is built next. The following steps pertain to the building
of the jaxbAnnotationsTests submodule.
D.
First, when the "generate-sources" phase of the Maven default lifecycle, is invoked
for the jaxbAnnotationsTests submodule, the HSQLDB is started in server mode as an
in-memory database, in the background. HSQLDB is used as the database for testing this plugin.
E.
Next, in the "generate-sources" phase, after the HSQLDB is started, the Jaxb Annotations plugin
test tables are created and filled with data. The SQL script responsible for creating and
filling the test tables is located in:
jaxbAnotationsTest/src/main/resources/sqlScripts/SetupDbTestScripts.sql
F.
Next, in the "generate-sources" phase, the MyBatis Generator is invoked to generated the MyBatis
Artifacts (Java model class, Java client classes, and XML SQL Mapping files) by introspecting the
test table structure created in the previous step. These auto-generated Java model classes
are to be tested for the presense of JAXB Annotations. To the Maven MyBatis Generator plugin,
the other jaxbAnnotations submodule is specified as a dependency, so that the MyBatis Generator plugin
knows how to decorate the auto-generated Java model classes with JAXB annotations.
The XML configuration file required the MyBatis Generator to introspect the tables is located at:
jaxbAnnotationsTests/src/main/resources/mbgConfig/MyBatisGeneratorConfig.xml
MyBatis Generator creates the artifacts at location:
jaxbAnnotationsTests/target/generated-sources/mybatis-generator
G.
Next, when the "compile" phase is invoked, the MyBatis Generator generated artifacts
are compiled using jdk 1.6.
H.
Next, when the "test-compile" phase is invoked, the JUnit test cases developed for testing
this plugin are compiled using jdk 1.6.
I.
Next, when the "test" phase is invoked, the compiled JUnit test cases are run against
the compiled MBG generated java model classes to test for the presense or absense of
the appropriate JAXB annotations. Running of the JUnit tests involves
using MyBatis hence the MyBatis dependency is needed here (not the MyBatis Generator
dependency). To run, MyBatis requires an XML configuration file. This configuration
file is located at:
jaxbAnnotationsTests/test/resources/mybatis-config.xml
J.
Next, in the "test" phase, after the JUnit tests are run, the HSQLDB server is
gracefully shutdown.
K.
Next, when the "package" phase is invoked, the JUnit tests are packaged in a JAR
archive. The JUnit test JAR is of no importance and hence is to be ignored.
L.
Finally, when the "install" phase is invoked, all the JAR files are copied to
the local repository generally named ".m2".