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| <h1>Configuring DataSources in Tests</h1> |
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| <h1 id="_initialcontext" class="sect0">InitialContext</h1> |
| <div class="paragraph"> |
| <p>properties</p> |
| </div> |
| <div class="paragraph"> |
| <p>You can configure data sources from within your test case (avoiding the |
| need for an <code>openejb.xml</code> entirely) like so:</p> |
| </div> |
| <div class="listingblock"> |
| <div class="content"> |
| <pre class="highlight"><code class="language-java" data-lang="java">Properties p = new Properties(); |
| p.put(Context.INITIAL_CONTEXT_FACTORY, "org.apache.openejb.core.LocalInitialContextFactory"); |
| |
| p.put("myDataSource", "new://Resource?type=DataSource"); |
| p.put("myDataSource.JdbcDriver", "org.apache.derby.jdbc.EmbeddedDriver"); |
| p.put("myDataSource.JdbcUrl", "jdbc:derby:derbyDB;create=true"); |
| p.put("myDataSource.JtaManaged", "true"); |
| |
| Context context = new InitialContext(p);</code></pre> |
| </div> |
| </div> |
| <div class="paragraph"> |
| <p>Under certain circumstances it may be necessary to load two versions of |
| the same driver. This is possible by definition of a classpath for the |
| resource which points to the specific driver files required for the |
| DataSource:</p> |
| </div> |
| <div class="listingblock"> |
| <div class="content"> |
| <pre class="highlight"><code class="language-java" data-lang="java">p.put("myDataSourceOne", "new://Resource?type=DataSource&classpath=/path/to/driverVersionOne.jar"); |
| p.put("myDataSourceOne.JdbcDriver", "org.apache.derby.jdbc.EmbeddedDriver"); |
| p.put("myDataSource.JdbcUrl", "jdbc:derby:myDatabaseOne;create=true"); |
| |
| p.put("myDataSourceTwo", "new://Resource?type=DataSource&classpath=/path/to/driverVersionTwo.jar"); |
| p.put("myDataSourceTwo.JdbcDriver", "org.apache.derby.jdbc.EmbeddedDriver"); |
| p.put("myDataSource.JdbcUrl", "jdbc:derby:myDatabaseTwo;create=true"); |
| [source,java]</code></pre> |
| </div> |
| </div> |
| <div class="paragraph"> |
| <p>This will allow an application to communicate through legacy drivers to |
| the same JDBC provider.</p> |
| </div> |
| <div class="paragraph"> |
| <p>See <a href="embedded-configuration.html">Embedded Configuration</a> for further |
| details on properties and overrides.</p> |
| </div> |
| <div class="paragraph"> |
| <p>See <a href="containers-and-resources.html">Containers and Resources</a> for a |
| full list of supported Resource types and their properties.</p> |
| </div> |
| <div class="sect1"> |
| <h2 id="_note_on_jta_data_source_and_non_jta_data_source">Note on <jta-data-source> and <non-jta-data-source></h2> |
| <div class="sectionbody"> |
| <div class="paragraph"> |
| <p>When configuring DataSources to be used by persistence.xml files, the |
| DataSource supplied for <code><jta-data-source></code> is typically identical to |
| the <code><non-jta-data-source></code>, but with the <code>JtaManaged</code> property set |
| differently. Keeping with our philosophy to free you up from redundant |
| configuration, we will happily auto-create a missing jta-data-source or |
| non-jta-data-source based upon the supplied DataSource.</p> |
| </div> |
| <div class="paragraph"> |
| <p>In the example above, a new DataSource would be generated as an exact |
| copy but with the name "myDataSourceUnmanaged" and its <code>JtaManaged</code> flag |
| set to <code>false</code>. If the supplied DataSource was not <code>JtaManaged</code>, then |
| the generated DataSource would be called "myDataSourceJta" and have its |
| <code>JtaManaged</code> flag set to <code>true</code>.</p> |
| </div> |
| <div class="paragraph"> |
| <p>When relying on this functionality it is not necessary to specify the |
| name of the generated DataSource in the <code>persistence.xml</code> file.</p> |
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