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| <h1 title="Package" class="title" id="Header1">Package quarks.runtime.etiao</h1> |
| <div class="docSummary"> |
| <div class="block">A runtime for executing a Quarks streaming topology, designed as an embeddable library |
| so that it can be executed in a simple Java application.</div> |
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| <p>See: <a href="#package.description">Description</a></p> |
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| <th class="colFirst" scope="col">Class</th> |
| <th class="colLast" scope="col">Description</th> |
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| <td class="colFirst"><a href="../../../quarks/runtime/etiao/AbstractContext.html" title="class in quarks.runtime.etiao">AbstractContext</a><I,O></td> |
| <td class="colLast"> |
| <div class="block">Provides a skeletal implementation of the <a href="../../../quarks/oplet/OpletContext.html" title="interface in quarks.oplet"><code>OpletContext</code></a> |
| interface.</div> |
| </td> |
| </tr> |
| <tr class="rowColor"> |
| <td class="colFirst"><a href="../../../quarks/runtime/etiao/EtiaoJob.html" title="class in quarks.runtime.etiao">EtiaoJob</a></td> |
| <td class="colLast"> |
| <div class="block">Etiao runtime implementation of the <a href="../../../quarks/execution/Job.html" title="interface in quarks.execution"><code>Job</code></a> interface.</div> |
| </td> |
| </tr> |
| <tr class="altColor"> |
| <td class="colFirst"><a href="../../../quarks/runtime/etiao/Executable.html" title="class in quarks.runtime.etiao">Executable</a></td> |
| <td class="colLast"> |
| <div class="block">Executes and provides runtime services to the executable graph |
| elements (oplets and functions).</div> |
| </td> |
| </tr> |
| <tr class="rowColor"> |
| <td class="colFirst"><a href="../../../quarks/runtime/etiao/Invocation.html" title="class in quarks.runtime.etiao">Invocation</a><T extends <a href="../../../quarks/oplet/Oplet.html" title="interface in quarks.oplet">Oplet</a><I,O>,I,O></td> |
| <td class="colLast"> |
| <div class="block">An <a href="../../../quarks/oplet/Oplet.html" title="interface in quarks.oplet"><code>Oplet</code></a> invocation in the context of the |
| <a href="../../../quarks/runtime/etiao/package-summary.html">ETIAO</a> runtime.</div> |
| </td> |
| </tr> |
| <tr class="altColor"> |
| <td class="colFirst"><a href="../../../quarks/runtime/etiao/InvocationContext.html" title="class in quarks.runtime.etiao">InvocationContext</a><I,O></td> |
| <td class="colLast"> |
| <div class="block">Context information for the <code>Oplet</code>'s execution context.</div> |
| </td> |
| </tr> |
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| <td class="colFirst"><a href="../../../quarks/runtime/etiao/SettableForwarder.html" title="class in quarks.runtime.etiao">SettableForwarder</a><T></td> |
| <td class="colLast"> |
| <div class="block">A forwarding Streamer whose destination |
| can be changed.</div> |
| </td> |
| </tr> |
| <tr class="altColor"> |
| <td class="colFirst"><a href="../../../quarks/runtime/etiao/ThreadFactoryTracker.html" title="class in quarks.runtime.etiao">ThreadFactoryTracker</a></td> |
| <td class="colLast"> |
| <div class="block">Tracks threads created for executing user tasks.</div> |
| </td> |
| </tr> |
| <tr class="rowColor"> |
| <td class="colFirst"><a href="../../../quarks/runtime/etiao/TrackingScheduledExecutor.html" title="class in quarks.runtime.etiao">TrackingScheduledExecutor</a></td> |
| <td class="colLast"> |
| <div class="block">Extends a <code>ScheduledThreadPoolExecutor</code> with the ability to track |
| scheduled tasks and cancel them in case a task completes abruptly due to |
| an exception.</div> |
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| <h2 title="Package quarks.runtime.etiao Description">Package quarks.runtime.etiao Description</h2> |
| <div class="block">A runtime for executing a Quarks streaming topology, designed as an embeddable library |
| so that it can be executed in a simple Java application. |
| |
| <h2>"EveryThing Is An Oplet" (ETIAO)</h2> |
| |
| The runtime's focus is on executing oplets and their connected streams, where each |
| oplet is just a black box. Specifically this means that functionality is added by the introduction |
| of oplets into the graph that were not explicitly declared by the application developer. |
| For example, metrics are implemented by oplets, not the runtime. A metric collector is an |
| oplet that calculates metrics on tuples accepted on its input port, and them makes them |
| available, for example through JMX.</div> |
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