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| Plans (see |
| <a class="xref" href="ch04s03.html" title="4.3 Creating Plans">Section 4.3, “Creating Plans”</a> |
| ) |
| allow us to package and deploy the Form Tags application in a more |
| flexible way. |
| Instead of packaging all the bundles of the application |
| into a single PAR file, each bundle can be placed in the repository |
| and referred to in a |
| <span class="emphasis"><em>plan</em></span> |
| . |
| </p><p> |
| The bundles to be placed in a repository in the chain (for example, |
| <code class="literal">repository/usr</code> |
| ) are: |
| </p><pre class="programlisting">org.springframework.showcase.formtags.domain-2.0.0.RELEASE.jar |
| org.springframework.showcase.formtags.service-2.0.0.RELEASE.jar |
| org.springframework.showcase.formtags.web-2.0.0.RELEASE.war |
| </pre><p> |
| which are just those files which were part of the PAR. |
| </p><p> |
| Here is the contents of a suitable plan file for the Form Tags |
| example: |
| </p><pre class="programlisting"><<span class="hl-tag">?xml version="1.0" encoding="UTF-8"?</span>> |
| <<span class="hl-tag">plan</span> <span class="hl-attribute">name</span>=<span class="hl-value">"formtags.plan"</span> <span class="hl-attribute">version</span>=<span class="hl-value">"2.0.0"</span> <span class="hl-attribute">scoped</span>=<span class="hl-value">"true"</span> <span class="hl-attribute">atomic</span>=<span class="hl-value">"true"</span> |
| <span class="hl-attribute">xmlns</span>=<span class="hl-value">"http://www.eclipse.org/virgo/schema/plan"</span> |
| <span class="hl-attribute">xmlns:xsi</span>=<span class="hl-value">"http://www.w3.org/2001/XMLSchema-instance"</span> |
| <span class="hl-attribute">xsi:schemaLocation</span>=<span class="hl-value">" |
| http://www.eclipse.org/virgo/schema/plan |
| http://www.eclipse.org/virgo/schema/plan/eclipse-virgo-plan.xsd"</span>> |
| |
| <<span class="hl-tag">artifact</span> <span class="hl-attribute">type</span>=<span class="hl-value">"bundle"</span> <span class="hl-attribute">name</span>=<span class="hl-value">"org.springframework.showcase.formtags.domain_par"</span> <span class="hl-attribute">version</span>=<span class="hl-value">"[3.0,3.1)"</span>/> |
| <<span class="hl-tag">artifact</span> <span class="hl-attribute">type</span>=<span class="hl-value">"bundle"</span> <span class="hl-attribute">name</span>=<span class="hl-value">"org.springframework.showcase.formtags.service_par"</span> <span class="hl-attribute">version</span>=<span class="hl-value">"[3.0,3.1)"</span>/> |
| <<span class="hl-tag">artifact</span> <span class="hl-attribute">type</span>=<span class="hl-value">"bundle"</span> <span class="hl-attribute">name</span>=<span class="hl-value">"org.springframework.showcase.formtags.web_par"</span> <span class="hl-attribute">version</span>=<span class="hl-value">"[3.0,3.1)"</span>/> |
| |
| <<span class="hl-tag">/plan</span>></pre><p> |
| where we have chosen to use any of the artifacts in the version range |
| [2.0,2.1). |
| This plan (as a file called, for example, |
| <code class="literal">formtags.plan</code> |
| ) |
| can be deployed in any of the normal ways (for example, dropped in |
| the |
| <code class="literal">pickup</code> |
| directory). |
| </p><p> |
| When the plan is deployed, the artifacts it references are |
| installed from the repository and deployed in the order given in the |
| plan file. |
| Because this plan is scoped and atomic, the collection is |
| given an application scope and is started and stopped as a single |
| unit. |
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