tomee-7.1/docs/embedded-configuration.html - tomee-site-pub - Git at Google

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         <div class="row title">
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             <div class='page-header'>

               <h1>OpenEJB Embedded Configuration</h1>
             </div>
           </div>
         </div>
         <div class="row">

             <div class="col-md-12">
                 <h1 id="_defaults_overrides_and_order" class="sect0">Defaults, Overrides and Order</h1>
 <div class="paragraph">
 <p>When booting up OpenEJB for testing via the <code>LocalInitialContextFactory</code>
 or the newer <code>EJBContainer.createEJBContainer()</code> API part of EJB 3.1
 there is quite a bit of flexibility to how things are configured.</p>
 </div>
 <div class="paragraph">
 <p>OpenEJB will function fine with no configuration at all and will happily
 create things as needed and select defaults for everything. So in a real
 sense configuration is all about overriding those defaults. There are
 several places to put your overrides and an a specific order how they
 are applied. Here they are in order of preference; 1 = highest, 5 =
 lowest.</p>
 </div>
 <div class="paragraph">
 <p><strong>InitialContext</strong></p>
 </div>
 <div class="olist arabic">
 <ol class="arabic">
 <li>
 <p>InitialContext properties</p>
 </li>
 <li>
 <p>jndi.properties from the classpath</p>
 </li>
 <li>
 <p>System properties</p>
 </li>
 <li>
 <p>openejb.xml declarations/properties</p>
 </li>
 <li>
 <p>service-jar.xml declarations/properties (internal concept) }</p>
 </li>
 </ol>
 </div>
 <div class="paragraph">
 <p><strong>EJBContainer API</strong></p>
 </div>
 <div class="olist arabic">
 <ol class="arabic">
 <li>
 <p>EJBContainer.createEJBContainer(Map) entries</p>
 </li>
 <li>
 <p>System properties</p>
 </li>
 <li>
 <p>openejb.xml declarations/properties</p>
 </li>
 <li>
 <p>service-jar.xml declarations/properties (internal concept)</p>
 </li>
 </ol>
 </div>
 <div class="paragraph">
 <p>It opens up some interesting possibilities in how you configure your
 environment. You could do 100% of your configuration in your test case
 via InitialContext propertes, or you could do say 80% in a
 jndi.properties file or openejb.xml file and 20% in your test case via
 InitialContext properties. You can put 100% of your configuration in a
 <code>jndi.properties</code> or <code>openejb.xml</code> file and override them via
 <code>InitialContext</code> properties.</p>
 </div>
 <div class="paragraph">
 <p>You can manage the properties how you wish and there is no need for
 redundant definitions if you do not want them.</p>
 </div>
 <h1 id="_what_is_configurable" class="sect0">What is configurable?</h1>
 <div class="paragraph">
 <p>Everything you can configure via an openejb.xml (minus the element) can
 be configured/overridden via properties. See
 <a href="configuring-containers-in-tests.html">Configuring Containers in
 Tests</a> and <a href="configuring-datasources-in-tests.html">Configuring
 DataSources in Tests</a>.</p>
 </div>
 <div class="paragraph">
 <p>Everything in your logging.properties can be configured/overridden via
 properties. See <a href="configuring-logging-in-tests.html">Configuring
 Logging in Tests</a>.</p>
 </div>
 <div class="paragraph">
 <p>The properties of persistence units declared in a persistence.xml can be
 configured/overridden via properties. See
 <a href="configuring-persistenceunits-in-tests.html">Configuring
 PersistenceUnits in Tests</a>.</p>
 </div>
 <div class="paragraph">
 <p>OpenEJB has many flags that can also be set as properties. See
 <a href="properties-listing.html">OpenEJB Properties</a> for details on those.</p>
 </div>
 <h1 id="_example_of_using_initialcontext_properties" class="sect0">Example of using InitialContext properties</h1>
 <div class="listingblock">
 <div class="content">
 <pre class="highlight"><code class="language-java" data-lang="java">Properties p = new Properties();

 // set the initial context factory
 p.put("java.naming.factory.initial ", "org.apache.openejb.client.LocalInitialContextFactory");

 // change some logging
 p.put("log4j.category.OpenEJB.options ", " debug");
 p.put("log4j.category.OpenEJB.startup ", " debug");
 p.put("log4j.category.OpenEJB.startup.config ", " debug");

 // create some resources
 p.put("movieDatabase", "new://Resource?type=DataSource");
 p.put("movieDatabase.JdbcDriver ", " org.hsqldb.jdbcDriver");
 p.put("movieDatabase.JdbcUrl ", " jdbc:hsqldb:mem:moviedb");

 // override properties on your "movie-unit" persistence unit
 p.put("movie-unit.hibernate.dialect ", "org.hibernate.dialect.HSQLDialect");

 // set some openejb flags
 p.put("openejb.jndiname.format ", " {ejbName}/{interfaceClass}");
 p.put("openejb.descriptors.output ", " true");
 p.put("openejb.validation.output.level ", " verbose");

 InitialContext initialContext = new InitialContext(p);</code></pre>
 </div>
 </div>
 <h1 id="_example_of_using_jndi_properties" class="sect0">Example of using jndi.properties</h1>
 <div class="paragraph">
 <p>Here&#8217;s an example of the same properties being specified via a
 <code>jndi.properties file</code>. This file just needs to be placed in the
 classpath, not in a subdirectory of a path in the classpath such as
 META-INF, but at the root of any of the paths in the classpath.</p>
 </div>
 <div class="listingblock">
 <div class="content">
 <pre class="highlight"><code class="language-properties" data-lang="properties"># set the initial context factory
 java.naming.factory.initial = org.apache.openejb.client.LocalInitialContextFactory

 # change some logging
 log4j.category.OpenEJB.options = debug
 log4j.category.OpenEJB.startup = debug
 log4j.category.OpenEJB.startup.config = debug

 # create some resources
 movieDatabase = new://Resource?type=DataSource
 movieDatabase.JdbcDriver = org.hsqldb.jdbcDriver
 movieDatabase.JdbcUrl = jdbc:hsqldb:mem:moviedb

 # override properties on your "movie-unit" persistence unit
 movie-unit.hibernate.dialect = org.hibernate.dialect.HSQLDialect

 # set some openejb flags
 openejb.jndiname.format = {ejbName}/{interfaceClass}
 openejb.descriptors.output = true
 openejb.validation.output.level = verbose</code></pre>
 </div>
 </div>
 <div class="paragraph">
 <p>Then OpenEJB can be booted via the <code>InitialContext</code> as normal.
 Properties can still be used to override any of the above properties:</p>
 </div>
 <div class="listingblock">
 <div class="content">
 <pre class="highlight"><code class="language-java" data-lang="java">Properties p = new Properties();

 p.put("openejb.validation.output.level ", " medium");

 InitialContext initialContext = new InitialContext(p);</code></pre>
 </div>
 </div>
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	<div id="main-block" class="container main-block">
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	<div class='page-header'>

	<h1>OpenEJB Embedded Configuration</h1>
	</div>
	</div>
	</div>
	<div class="row">

	<div class="col-md-12">
	<h1 id="_defaults_overrides_and_order" class="sect0">Defaults, Overrides and Order</h1>
	<div class="paragraph">
	<p>When booting up OpenEJB for testing via the <code>LocalInitialContextFactory</code>
	or the newer <code>EJBContainer.createEJBContainer()</code> API part of EJB 3.1
	there is quite a bit of flexibility to how things are configured.</p>
	</div>
	<div class="paragraph">
	<p>OpenEJB will function fine with no configuration at all and will happily
	create things as needed and select defaults for everything. So in a real
	sense configuration is all about overriding those defaults. There are
	several places to put your overrides and an a specific order how they
	are applied. Here they are in order of preference; 1 = highest, 5 =
	lowest.</p>
	</div>
	<div class="paragraph">
	<p><strong>InitialContext</strong></p>
	</div>
	<div class="olist arabic">
	<ol class="arabic">
	<li>
	<p>InitialContext properties</p>
	</li>
	<li>
	<p>jndi.properties from the classpath</p>
	</li>
	<li>
	<p>System properties</p>
	</li>
	<li>
	<p>openejb.xml declarations/properties</p>
	</li>
	<li>
	<p>service-jar.xml declarations/properties (internal concept) }</p>
	</li>
	</ol>
	</div>
	<div class="paragraph">
	<p><strong>EJBContainer API</strong></p>
	</div>
	<div class="olist arabic">
	<ol class="arabic">
	<li>
	<p>EJBContainer.createEJBContainer(Map) entries</p>
	</li>
	<li>
	<p>System properties</p>
	</li>
	<li>
	<p>openejb.xml declarations/properties</p>
	</li>
	<li>
	<p>service-jar.xml declarations/properties (internal concept)</p>
	</li>
	</ol>
	</div>
	<div class="paragraph">
	<p>It opens up some interesting possibilities in how you configure your
	environment. You could do 100% of your configuration in your test case
	via InitialContext propertes, or you could do say 80% in a
	jndi.properties file or openejb.xml file and 20% in your test case via
	InitialContext properties. You can put 100% of your configuration in a
	<code>jndi.properties</code> or <code>openejb.xml</code> file and override them via
	<code>InitialContext</code> properties.</p>
	</div>
	<div class="paragraph">
	<p>You can manage the properties how you wish and there is no need for
	redundant definitions if you do not want them.</p>
	</div>
	<h1 id="_what_is_configurable" class="sect0">What is configurable?</h1>
	<div class="paragraph">
	<p>Everything you can configure via an openejb.xml (minus the element) can
	be configured/overridden via properties. See
	<a href="configuring-containers-in-tests.html">Configuring Containers in
	Tests</a> and <a href="configuring-datasources-in-tests.html">Configuring
	DataSources in Tests</a>.</p>
	</div>
	<div class="paragraph">
	<p>Everything in your logging.properties can be configured/overridden via
	properties. See <a href="configuring-logging-in-tests.html">Configuring
	Logging in Tests</a>.</p>
	</div>
	<div class="paragraph">
	<p>The properties of persistence units declared in a persistence.xml can be
	configured/overridden via properties. See
	<a href="configuring-persistenceunits-in-tests.html">Configuring
	PersistenceUnits in Tests</a>.</p>
	</div>
	<div class="paragraph">
	<p>OpenEJB has many flags that can also be set as properties. See
	<a href="properties-listing.html">OpenEJB Properties</a> for details on those.</p>
	</div>
	<h1 id="_example_of_using_initialcontext_properties" class="sect0">Example of using InitialContext properties</h1>
	<div class="listingblock">
	<div class="content">
	<pre class="highlight"><code class="language-java" data-lang="java">Properties p = new Properties();

	// set the initial context factory
	p.put("java.naming.factory.initial ", "org.apache.openejb.client.LocalInitialContextFactory");

	// change some logging
	p.put("log4j.category.OpenEJB.options ", " debug");
	p.put("log4j.category.OpenEJB.startup ", " debug");
	p.put("log4j.category.OpenEJB.startup.config ", " debug");

	// create some resources
	p.put("movieDatabase", "new://Resource?type=DataSource");
	p.put("movieDatabase.JdbcDriver ", " org.hsqldb.jdbcDriver");
	p.put("movieDatabase.JdbcUrl ", " jdbc:hsqldb:mem:moviedb");

	// override properties on your "movie-unit" persistence unit
	p.put("movie-unit.hibernate.dialect ", "org.hibernate.dialect.HSQLDialect");

	// set some openejb flags
	p.put("openejb.jndiname.format ", " {ejbName}/{interfaceClass}");
	p.put("openejb.descriptors.output ", " true");
	p.put("openejb.validation.output.level ", " verbose");

	InitialContext initialContext = new InitialContext(p);</code></pre>
	</div>
	</div>
	<h1 id="_example_of_using_jndi_properties" class="sect0">Example of using jndi.properties</h1>
	<div class="paragraph">
	<p>Here’s an example of the same properties being specified via a
	<code>jndi.properties file</code>. This file just needs to be placed in the
	classpath, not in a subdirectory of a path in the classpath such as
	META-INF, but at the root of any of the paths in the classpath.</p>
	</div>
	<div class="listingblock">
	<div class="content">
	<pre class="highlight"><code class="language-properties" data-lang="properties"># set the initial context factory
	java.naming.factory.initial = org.apache.openejb.client.LocalInitialContextFactory

	# change some logging
	log4j.category.OpenEJB.options = debug
	log4j.category.OpenEJB.startup = debug
	log4j.category.OpenEJB.startup.config = debug

	# create some resources
	movieDatabase = new://Resource?type=DataSource
	movieDatabase.JdbcDriver = org.hsqldb.jdbcDriver
	movieDatabase.JdbcUrl = jdbc:hsqldb:mem:moviedb

	# override properties on your "movie-unit" persistence unit
	movie-unit.hibernate.dialect = org.hibernate.dialect.HSQLDialect

	# set some openejb flags
	openejb.jndiname.format = {ejbName}/{interfaceClass}
	openejb.descriptors.output = true
	openejb.validation.output.level = verbose</code></pre>
	</div>
	</div>
	<div class="paragraph">
	<p>Then OpenEJB can be booted via the <code>InitialContext</code> as normal.
	Properties can still be used to override any of the above properties:</p>
	</div>
	<div class="listingblock">
	<div class="content">
	<pre class="highlight"><code class="language-java" data-lang="java">Properties p = new Properties();

	p.put("openejb.validation.output.level ", " medium");

	InitialContext initialContext = new InitialContext(p);</code></pre>
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