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| <div class="sub-title"><span class="package-label-in-type">Package</span> <a href="package-summary.html">org.apache.storm.utils</a></div> |
| <h1 title="Interface ShellLogHandler" class="title">Interface ShellLogHandler</h1> |
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| <dt>All Known Implementing Classes:</dt> |
| <dd><code><a href="DefaultShellLogHandler.html" title="class in org.apache.storm.utils">DefaultShellLogHandler</a></code></dd> |
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| <div class="type-signature"><span class="modifiers">public interface </span><span class="element-name type-name-label">ShellLogHandler</span></div> |
| <div class="block">Handle logging from non-JVM processes.</div> |
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| <div class="col-first even-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab3"><code>void</code></div> |
| <div class="col-second even-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab3"><code><a href="#log(org.apache.storm.multilang.ShellMsg)" class="member-name-link">log</a><wbr>(<a href="../multilang/ShellMsg.html" title="class in org.apache.storm.multilang">ShellMsg</a> msg)</code></div> |
| <div class="col-last even-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab3"> |
| <div class="block">Called by spouts and bolts when they receive a 'log' command from a multilang process.</div> |
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| <div class="col-first odd-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab3"><code>void</code></div> |
| <div class="col-second odd-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab3"><code><a href="#setUpContext(java.lang.Class,org.apache.storm.utils.ShellProcess,org.apache.storm.task.TopologyContext)" class="member-name-link">setUpContext</a><wbr>(<a href="https://docs.oracle.com/en/java/javase/11/docs/api/java.base/java/lang/Class.html" title="class or interface in java.lang" class="external-link">Class</a><?> ownerCls, |
| <a href="ShellProcess.html" title="class in org.apache.storm.utils">ShellProcess</a> process, |
| <a href="../task/TopologyContext.html" title="class in org.apache.storm.task">TopologyContext</a> context)</code></div> |
| <div class="col-last odd-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab3"> |
| <div class="block">Called at least once before <a href="#log(org.apache.storm.multilang.ShellMsg)"><code>log(org.apache.storm.multilang.ShellMsg)</code></a> for each spout and bolt.</div> |
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| <h2>Method Details</h2> |
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| <section class="detail" id="setUpContext(java.lang.Class,org.apache.storm.utils.ShellProcess,org.apache.storm.task.TopologyContext)"> |
| <h3>setUpContext</h3> |
| <div class="member-signature"><span class="return-type">void</span> <span class="element-name">setUpContext</span><wbr><span class="parameters">(<a href="https://docs.oracle.com/en/java/javase/11/docs/api/java.base/java/lang/Class.html" title="class or interface in java.lang" class="external-link">Class</a><?> ownerCls, |
| <a href="ShellProcess.html" title="class in org.apache.storm.utils">ShellProcess</a> process, |
| <a href="../task/TopologyContext.html" title="class in org.apache.storm.task">TopologyContext</a> context)</span></div> |
| <div class="block">Called at least once before <a href="#log(org.apache.storm.multilang.ShellMsg)"><code>log(org.apache.storm.multilang.ShellMsg)</code></a> for each spout and bolt. Allows implementing classes to save information |
| about the current running context e.g. pid, thread, task.</div> |
| <dl class="notes"> |
| <dt>Parameters:</dt> |
| <dd><code>ownerCls</code> - - the class which instantiated this ShellLogHandler.</dd> |
| <dd><code>process</code> - - the current <a href="ShellProcess.html" title="class in org.apache.storm.utils"><code>ShellProcess</code></a>.</dd> |
| <dd><code>context</code> - - the current <a href="../task/TopologyContext.html" title="class in org.apache.storm.task"><code>TopologyContext</code></a>.</dd> |
| </dl> |
| </section> |
| </li> |
| <li> |
| <section class="detail" id="log(org.apache.storm.multilang.ShellMsg)"> |
| <h3>log</h3> |
| <div class="member-signature"><span class="return-type">void</span> <span class="element-name">log</span><wbr><span class="parameters">(<a href="../multilang/ShellMsg.html" title="class in org.apache.storm.multilang">ShellMsg</a> msg)</span></div> |
| <div class="block">Called by spouts and bolts when they receive a 'log' command from a multilang process.</div> |
| <dl class="notes"> |
| <dt>Parameters:</dt> |
| <dd><code>msg</code> - - the <a href="../multilang/ShellMsg.html" title="class in org.apache.storm.multilang"><code>ShellMsg</code></a> containing the message to log.</dd> |
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