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| <div class="subTitle">org.apache.edgent.execution.services</div> |
| <h2 title="Interface JobRegistryService" class="title">Interface JobRegistryService</h2> |
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| <dl> |
| <dt>All Known Implementing Classes:</dt> |
| <dd><a href="../../../../../org/apache/edgent/runtime/jobregistry/JobRegistry.html" title="class in org.apache.edgent.runtime.jobregistry">JobRegistry</a></dd> |
| </dl> |
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| <br> |
| <pre>public interface <span class="typeNameLabel">JobRegistryService</span></pre> |
| <div class="block">Job registry service. |
| <p> |
| Keeps the list of <a href="../../../../../org/apache/edgent/execution/Job.html" title="interface in org.apache.edgent.execution"><code>Job</code></a> instances registered by the runtime and |
| provides the necessary methods to register and remove jobs, access |
| registered jobs, as well as register listeners which are notified on job |
| registrations, removals, and updates. |
| The following event types are sent to registered listeners: |
| </p> |
| <ul> |
| <li>An <a href="../../../../../org/apache/edgent/execution/services/JobRegistryService.EventType.html#ADD"><code>JobRegistryService.EventType.ADD</code></a> event is sent when a job is added.</li> |
| <li>An <a href="../../../../../org/apache/edgent/execution/services/JobRegistryService.EventType.html#REMOVE"><code>JobRegistryService.EventType.REMOVE</code></a> event is sent when a job is removed.</li> |
| <li>An <a href="../../../../../org/apache/edgent/execution/services/JobRegistryService.EventType.html#UPDATE"><code>JobRegistryService.EventType.UPDATE</code></a> event is sent when a job is updated.</li> |
| </ul> |
| <h3>Event dispatch</h3> |
| If a listener invocation throws an Exception, then the exception |
| will not prevent the remaining listeners from being invoked. However, |
| if the invocation throws an Error, then it is recommended that |
| the event dispatch stop.</div> |
| </li> |
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| <caption><span>Nested Classes</span><span class="tabEnd"> </span></caption> |
| <tr> |
| <th class="colFirst" scope="col">Modifier and Type</th> |
| <th class="colLast" scope="col">Interface and Description</th> |
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| <tr class="altColor"> |
| <td class="colFirst"><code>static class </code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/edgent/execution/services/JobRegistryService.EventType.html" title="enum in org.apache.edgent.execution.services">JobRegistryService.EventType</a></span></code> |
| <div class="block">Job event types.</div> |
| </td> |
| </tr> |
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| <h3>Method Summary</h3> |
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| <tr> |
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| <tr id="i0" class="altColor"> |
| <td class="colFirst"><code>void</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/edgent/execution/services/JobRegistryService.html#addJob-org.apache.edgent.execution.Job-">addJob</a></span>(<a href="../../../../../org/apache/edgent/execution/Job.html" title="interface in org.apache.edgent.execution">Job</a> job)</code> |
| <div class="block">Adds the specified job.</div> |
| </td> |
| </tr> |
| <tr id="i1" class="rowColor"> |
| <td class="colFirst"><code>void</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/edgent/execution/services/JobRegistryService.html#addListener-org.apache.edgent.function.BiConsumer-">addListener</a></span>(<a href="../../../../../org/apache/edgent/function/BiConsumer.html" title="interface in org.apache.edgent.function">BiConsumer</a><<a href="../../../../../org/apache/edgent/execution/services/JobRegistryService.EventType.html" title="enum in org.apache.edgent.execution.services">JobRegistryService.EventType</a>,<a href="../../../../../org/apache/edgent/execution/Job.html" title="interface in org.apache.edgent.execution">Job</a>> listener)</code> |
| <div class="block">Adds a handler to a collection of listeners that will be notified |
| on job registration and state changes.</div> |
| </td> |
| </tr> |
| <tr id="i2" class="altColor"> |
| <td class="colFirst"><code><a href="../../../../../org/apache/edgent/execution/Job.html" title="interface in org.apache.edgent.execution">Job</a></code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/edgent/execution/services/JobRegistryService.html#getJob-java.lang.String-">getJob</a></span>(java.lang.String id)</code> |
| <div class="block">Returns a job given its identifier.</div> |
| </td> |
| </tr> |
| <tr id="i3" class="rowColor"> |
| <td class="colFirst"><code>java.util.Set<java.lang.String></code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/edgent/execution/services/JobRegistryService.html#getJobIds--">getJobIds</a></span>()</code> |
| <div class="block">Returns a set of all the registered job identifiers.</div> |
| </td> |
| </tr> |
| <tr id="i4" class="altColor"> |
| <td class="colFirst"><code>boolean</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/edgent/execution/services/JobRegistryService.html#removeJob-java.lang.String-">removeJob</a></span>(java.lang.String jobId)</code> |
| <div class="block">Removes the job specified by the given identifier.</div> |
| </td> |
| </tr> |
| <tr id="i5" class="rowColor"> |
| <td class="colFirst"><code>boolean</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/edgent/execution/services/JobRegistryService.html#removeListener-org.apache.edgent.function.BiConsumer-">removeListener</a></span>(<a href="../../../../../org/apache/edgent/function/BiConsumer.html" title="interface in org.apache.edgent.function">BiConsumer</a><<a href="../../../../../org/apache/edgent/execution/services/JobRegistryService.EventType.html" title="enum in org.apache.edgent.execution.services">JobRegistryService.EventType</a>,<a href="../../../../../org/apache/edgent/execution/Job.html" title="interface in org.apache.edgent.execution">Job</a>> listener)</code> |
| <div class="block">Removes a handler from this registry's collection of listeners.</div> |
| </td> |
| </tr> |
| <tr id="i6" class="altColor"> |
| <td class="colFirst"><code>boolean</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/edgent/execution/services/JobRegistryService.html#updateJob-org.apache.edgent.execution.Job-">updateJob</a></span>(<a href="../../../../../org/apache/edgent/execution/Job.html" title="interface in org.apache.edgent.execution">Job</a> job)</code> |
| <div class="block">Notifies listeners that the specified registered job has |
| been updated.</div> |
| </td> |
| </tr> |
| </table> |
| </li> |
| </ul> |
| </li> |
| </ul> |
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| <h3>Method Detail</h3> |
| <a name="addListener-org.apache.edgent.function.BiConsumer-"> |
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| </a> |
| <ul class="blockList"> |
| <li class="blockList"> |
| <h4>addListener</h4> |
| <pre>void addListener(<a href="../../../../../org/apache/edgent/function/BiConsumer.html" title="interface in org.apache.edgent.function">BiConsumer</a><<a href="../../../../../org/apache/edgent/execution/services/JobRegistryService.EventType.html" title="enum in org.apache.edgent.execution.services">JobRegistryService.EventType</a>,<a href="../../../../../org/apache/edgent/execution/Job.html" title="interface in org.apache.edgent.execution">Job</a>> listener) |
| throws java.lang.IllegalArgumentException</pre> |
| <div class="block">Adds a handler to a collection of listeners that will be notified |
| on job registration and state changes. Listeners will be notified |
| in the order in which they are added. |
| <p> |
| A listener is notified of all existing jobs when it is first added.</div> |
| <dl> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>listener</code> - the listener that will be added</dd> |
| <dt><span class="throwsLabel">Throws:</span></dt> |
| <dd><code>java.lang.IllegalArgumentException</code> - if the listener parameter is |
| <code>null</code></dd> |
| </dl> |
| </li> |
| </ul> |
| <a name="removeListener-org.apache.edgent.function.BiConsumer-"> |
| <!-- --> |
| </a> |
| <ul class="blockList"> |
| <li class="blockList"> |
| <h4>removeListener</h4> |
| <pre>boolean removeListener(<a href="../../../../../org/apache/edgent/function/BiConsumer.html" title="interface in org.apache.edgent.function">BiConsumer</a><<a href="../../../../../org/apache/edgent/execution/services/JobRegistryService.EventType.html" title="enum in org.apache.edgent.execution.services">JobRegistryService.EventType</a>,<a href="../../../../../org/apache/edgent/execution/Job.html" title="interface in org.apache.edgent.execution">Job</a>> listener)</pre> |
| <div class="block">Removes a handler from this registry's collection of listeners.</div> |
| <dl> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>listener</code> - the listener that will be removed</dd> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>whether or not the listener has been removed</dd> |
| </dl> |
| </li> |
| </ul> |
| <a name="getJobIds--"> |
| <!-- --> |
| </a> |
| <ul class="blockList"> |
| <li class="blockList"> |
| <h4>getJobIds</h4> |
| <pre>java.util.Set<java.lang.String> getJobIds()</pre> |
| <div class="block">Returns a set of all the registered job identifiers.</div> |
| <dl> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>the identifiers of all the jobs</dd> |
| </dl> |
| </li> |
| </ul> |
| <a name="getJob-java.lang.String-"> |
| <!-- --> |
| </a> |
| <ul class="blockList"> |
| <li class="blockList"> |
| <h4>getJob</h4> |
| <pre><a href="../../../../../org/apache/edgent/execution/Job.html" title="interface in org.apache.edgent.execution">Job</a> getJob(java.lang.String id)</pre> |
| <div class="block">Returns a job given its identifier.</div> |
| <dl> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>id</code> - job identifier</dd> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>the job or <code>null</code> if no job is registered with that |
| identifier.</dd> |
| </dl> |
| </li> |
| </ul> |
| <a name="addJob-org.apache.edgent.execution.Job-"> |
| <!-- --> |
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| <h4>addJob</h4> |
| <pre>void addJob(<a href="../../../../../org/apache/edgent/execution/Job.html" title="interface in org.apache.edgent.execution">Job</a> job) |
| throws java.lang.IllegalArgumentException</pre> |
| <div class="block">Adds the specified job.</div> |
| <dl> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>job</code> - the job to register</dd> |
| <dt><span class="throwsLabel">Throws:</span></dt> |
| <dd><code>java.lang.IllegalArgumentException</code> - if a job is null, or if a job with |
| the same identifier is already registered</dd> |
| </dl> |
| </li> |
| </ul> |
| <a name="removeJob-java.lang.String-"> |
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| <h4>removeJob</h4> |
| <pre>boolean removeJob(java.lang.String jobId)</pre> |
| <div class="block">Removes the job specified by the given identifier.</div> |
| <dl> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>jobId</code> - the identifier of the job to remove</dd> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>whether or not the job was removed</dd> |
| </dl> |
| </li> |
| </ul> |
| <a name="updateJob-org.apache.edgent.execution.Job-"> |
| <!-- --> |
| </a> |
| <ul class="blockListLast"> |
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| <h4>updateJob</h4> |
| <pre>boolean updateJob(<a href="../../../../../org/apache/edgent/execution/Job.html" title="interface in org.apache.edgent.execution">Job</a> job)</pre> |
| <div class="block">Notifies listeners that the specified registered job has |
| been updated.</div> |
| <dl> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>job</code> - the job</dd> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>whether or not the job was found in the registry</dd> |
| </dl> |
| </li> |
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