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| <div class="subTitle">org.apache.storm.daemon.logviewer.utils</div> |
| <h2 title="Class WorkerLogs" class="title">Class WorkerLogs</h2> |
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| <li>org.apache.storm.daemon.logviewer.utils.WorkerLogs</li> |
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| <pre>public class <span class="typeNameLabel">WorkerLogs</span> |
| extends <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true" title="class or interface in java.lang">Object</a></pre> |
| <div class="block"><p>A class that knows about how to operate with worker log directory.</p></div> |
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| <td class="colFirst"><code>static <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a></code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/storm/daemon/logviewer/utils/WorkerLogs.html#WORKER_YAML">WORKER_YAML</a></span></code> </td> |
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| <td class="colOne"><code><span class="memberNameLink"><a href="../../../../../../org/apache/storm/daemon/logviewer/utils/WorkerLogs.html#WorkerLogs-java.util.Map-java.nio.file.Path-org.apache.storm.metric.StormMetricsRegistry-">WorkerLogs</a></span>(<a href="https://docs.oracle.com/javase/8/docs/api/java/util/Map.html?is-external=true" title="class or interface in java.util">Map</a><<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>,<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true" title="class or interface in java.lang">Object</a>> stormConf, |
| <a href="https://docs.oracle.com/javase/8/docs/api/java/nio/file/Path.html?is-external=true" title="class or interface in java.nio.file">Path</a> logRootDir, |
| <a href="../../../../../../org/apache/storm/metric/StormMetricsRegistry.html" title="class in org.apache.storm.metric">StormMetricsRegistry</a> metricsRegistry)</code> |
| <div class="block">Constructor.</div> |
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| <th class="colFirst" scope="col">Modifier and Type</th> |
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| <tr id="i0" class="altColor"> |
| <td class="colFirst"><code><a href="https://docs.oracle.com/javase/8/docs/api/java/util/Set.html?is-external=true" title="class or interface in java.util">Set</a><<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>></code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/storm/daemon/logviewer/utils/WorkerLogs.html#getAliveIds-int-">getAliveIds</a></span>(int nowSecs)</code> |
| <div class="block">Retrieve the set of alive worker IDs.</div> |
| </td> |
| </tr> |
| <tr id="i1" class="rowColor"> |
| <td class="colFirst"><code><a href="https://docs.oracle.com/javase/8/docs/api/java/util/SortedSet.html?is-external=true" title="class or interface in java.util">SortedSet</a><<a href="https://docs.oracle.com/javase/8/docs/api/java/nio/file/Path.html?is-external=true" title="class or interface in java.nio.file">Path</a>></code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/storm/daemon/logviewer/utils/WorkerLogs.html#getAliveWorkerDirs--">getAliveWorkerDirs</a></span>()</code> |
| <div class="block">Return a sorted set of paths that were written by workers that are now active.</div> |
| </td> |
| </tr> |
| <tr id="i2" class="altColor"> |
| <td class="colFirst"><code><a href="https://docs.oracle.com/javase/8/docs/api/java/util/List.html?is-external=true" title="class or interface in java.util">List</a><<a href="https://docs.oracle.com/javase/8/docs/api/java/nio/file/Path.html?is-external=true" title="class or interface in java.nio.file">Path</a>></code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/storm/daemon/logviewer/utils/WorkerLogs.html#getAllLogsForRootDir--">getAllLogsForRootDir</a></span>()</code> |
| <div class="block">Return a list of all log files from worker directories in root log directory.</div> |
| </td> |
| </tr> |
| <tr id="i3" class="rowColor"> |
| <td class="colFirst"><code><a href="https://docs.oracle.com/javase/8/docs/api/java/util/Set.html?is-external=true" title="class or interface in java.util">Set</a><<a href="https://docs.oracle.com/javase/8/docs/api/java/nio/file/Path.html?is-external=true" title="class or interface in java.nio.file">Path</a>></code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/storm/daemon/logviewer/utils/WorkerLogs.html#getAllWorkerDirs--">getAllWorkerDirs</a></span>()</code> |
| <div class="block">Return a set of all worker directories in all topology directories in root log directory.</div> |
| </td> |
| </tr> |
| <tr id="i4" class="altColor"> |
| <td class="colFirst"><code><a href="https://docs.oracle.com/javase/8/docs/api/java/util/SortedSet.html?is-external=true" title="class or interface in java.util">SortedSet</a><<a href="https://docs.oracle.com/javase/8/docs/api/java/nio/file/Path.html?is-external=true" title="class or interface in java.nio.file">Path</a>></code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/storm/daemon/logviewer/utils/WorkerLogs.html#getLogDirs-java.util.Set-java.util.function.Predicate-">getLogDirs</a></span>(<a href="https://docs.oracle.com/javase/8/docs/api/java/util/Set.html?is-external=true" title="class or interface in java.util">Set</a><<a href="https://docs.oracle.com/javase/8/docs/api/java/nio/file/Path.html?is-external=true" title="class or interface in java.nio.file">Path</a>> logDirs, |
| <a href="https://docs.oracle.com/javase/8/docs/api/java/util/function/Predicate.html?is-external=true" title="class or interface in java.util.function">Predicate</a><<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>> predicate)</code> |
| <div class="block">Finds directories for specific worker ids that can be cleaned up.</div> |
| </td> |
| </tr> |
| <tr id="i5" class="rowColor"> |
| <td class="colFirst"><code><a href="https://docs.oracle.com/javase/8/docs/api/java/util/Optional.html?is-external=true" title="class or interface in java.util">Optional</a><<a href="https://docs.oracle.com/javase/8/docs/api/java/nio/file/Path.html?is-external=true" title="class or interface in java.nio.file">Path</a>></code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/storm/daemon/logviewer/utils/WorkerLogs.html#getMetadataFileForWorkerLogDir-java.nio.file.Path-">getMetadataFileForWorkerLogDir</a></span>(<a href="https://docs.oracle.com/javase/8/docs/api/java/nio/file/Path.html?is-external=true" title="class or interface in java.nio.file">Path</a> logDir)</code> |
| <div class="block">Return a metadata file (worker.yaml) for given worker log directory.</div> |
| </td> |
| </tr> |
| <tr id="i6" class="altColor"> |
| <td class="colFirst"><code><a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a></code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/storm/daemon/logviewer/utils/WorkerLogs.html#getTopologyOwnerFromMetadataFile-java.nio.file.Path-">getTopologyOwnerFromMetadataFile</a></span>(<a href="https://docs.oracle.com/javase/8/docs/api/java/nio/file/Path.html?is-external=true" title="class or interface in java.nio.file">Path</a> metaFile)</code> |
| <div class="block">Return topology owner from worker meta file.</div> |
| </td> |
| </tr> |
| <tr id="i7" class="rowColor"> |
| <td class="colFirst"><code>static <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a></code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/storm/daemon/logviewer/utils/WorkerLogs.html#getTopologyPortWorkerLog-java.nio.file.Path-">getTopologyPortWorkerLog</a></span>(<a href="https://docs.oracle.com/javase/8/docs/api/java/nio/file/Path.html?is-external=true" title="class or interface in java.nio.file">Path</a> file)</code> |
| <div class="block">Return the path of the worker log with the format of topoId/port/worker.log.*</div> |
| </td> |
| </tr> |
| <tr id="i8" class="altColor"> |
| <td class="colFirst"><code><a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a></code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/storm/daemon/logviewer/utils/WorkerLogs.html#getWorkerIdFromMetadataFile-java.nio.file.Path-">getWorkerIdFromMetadataFile</a></span>(<a href="https://docs.oracle.com/javase/8/docs/api/java/nio/file/Path.html?is-external=true" title="class or interface in java.nio.file">Path</a> metaFile)</code> |
| <div class="block">Return worker id from worker meta file.</div> |
| </td> |
| </tr> |
| <tr id="i9" class="rowColor"> |
| <td class="colFirst"><code>void</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/storm/daemon/logviewer/utils/WorkerLogs.html#setLogFilePermission-java.lang.String-">setLogFilePermission</a></span>(<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a> fileName)</code> |
| <div class="block">Set permission of log file so that logviewer can serve the file.</div> |
| </td> |
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| <h3>Methods inherited from class java.lang.<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true" title="class or interface in java.lang">Object</a></h3> |
| <code><a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true#clone--" title="class or interface in java.lang">clone</a>, <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true#equals-java.lang.Object-" title="class or interface in java.lang">equals</a>, <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true#finalize--" title="class or interface in java.lang">finalize</a>, <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true#getClass--" title="class or interface in java.lang">getClass</a>, <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true#hashCode--" title="class or interface in java.lang">hashCode</a>, <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true#notify--" title="class or interface in java.lang">notify</a>, <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true#notifyAll--" title="class or interface in java.lang">notifyAll</a>, <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true#toString--" title="class or interface in java.lang">toString</a>, <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true#wait--" title="class or interface in java.lang">wait</a>, <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true#wait-long-" title="class or interface in java.lang">wait</a>, <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true#wait-long-int-" title="class or interface in java.lang">wait</a></code></li> |
| </ul> |
| </li> |
| </ul> |
| </li> |
| </ul> |
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| <h3>Field Detail</h3> |
| <a name="WORKER_YAML"> |
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| <ul class="blockListLast"> |
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| <h4>WORKER_YAML</h4> |
| <pre>public static final <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a> WORKER_YAML</pre> |
| <dl> |
| <dt><span class="seeLabel">See Also:</span></dt> |
| <dd><a href="../../../../../../constant-values.html#org.apache.storm.daemon.logviewer.utils.WorkerLogs.WORKER_YAML">Constant Field Values</a></dd> |
| </dl> |
| </li> |
| </ul> |
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| <ul class="blockList"> |
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| </a> |
| <h3>Constructor Detail</h3> |
| <a name="WorkerLogs-java.util.Map-java.nio.file.Path-org.apache.storm.metric.StormMetricsRegistry-"> |
| <!-- --> |
| </a> |
| <ul class="blockListLast"> |
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| <h4>WorkerLogs</h4> |
| <pre>public WorkerLogs(<a href="https://docs.oracle.com/javase/8/docs/api/java/util/Map.html?is-external=true" title="class or interface in java.util">Map</a><<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>,<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true" title="class or interface in java.lang">Object</a>> stormConf, |
| <a href="https://docs.oracle.com/javase/8/docs/api/java/nio/file/Path.html?is-external=true" title="class or interface in java.nio.file">Path</a> logRootDir, |
| <a href="../../../../../../org/apache/storm/metric/StormMetricsRegistry.html" title="class in org.apache.storm.metric">StormMetricsRegistry</a> metricsRegistry)</pre> |
| <div class="block"><p>Constructor.</p></div> |
| <dl> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>stormConf</code> - storm configuration</dd> |
| <dd><code>logRootDir</code> - the log root directory</dd> |
| <dd><code>metricsRegistry</code> - The logviewer metrics registry</dd> |
| </dl> |
| </li> |
| </ul> |
| </li> |
| </ul> |
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| <h3>Method Detail</h3> |
| <a name="setLogFilePermission-java.lang.String-"> |
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| </a> |
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| <h4>setLogFilePermission</h4> |
| <pre>public void setLogFilePermission(<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a> fileName) |
| throws <a href="https://docs.oracle.com/javase/8/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</a></pre> |
| <div class="block"><p>Set permission of log file so that logviewer can serve the file.</p></div> |
| <dl> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>fileName</code> - log file</dd> |
| <dt><span class="throwsLabel">Throws:</span></dt> |
| <dd><code><a href="https://docs.oracle.com/javase/8/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</a></code></dd> |
| </dl> |
| </li> |
| </ul> |
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| <h4>getAllLogsForRootDir</h4> |
| <pre>public <a href="https://docs.oracle.com/javase/8/docs/api/java/util/List.html?is-external=true" title="class or interface in java.util">List</a><<a href="https://docs.oracle.com/javase/8/docs/api/java/nio/file/Path.html?is-external=true" title="class or interface in java.nio.file">Path</a>> getAllLogsForRootDir() |
| throws <a href="https://docs.oracle.com/javase/8/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</a></pre> |
| <div class="block"><p>Return a list of all log files from worker directories in root log directory.</p></div> |
| <dl> |
| <dt><span class="throwsLabel">Throws:</span></dt> |
| <dd><code><a href="https://docs.oracle.com/javase/8/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</a></code></dd> |
| </dl> |
| </li> |
| </ul> |
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| <h4>getAllWorkerDirs</h4> |
| <pre>public <a href="https://docs.oracle.com/javase/8/docs/api/java/util/Set.html?is-external=true" title="class or interface in java.util">Set</a><<a href="https://docs.oracle.com/javase/8/docs/api/java/nio/file/Path.html?is-external=true" title="class or interface in java.nio.file">Path</a>> getAllWorkerDirs()</pre> |
| <div class="block"><p>Return a set of all worker directories in all topology directories in root log directory.</p></div> |
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| <h4>getAliveWorkerDirs</h4> |
| <pre>public <a href="https://docs.oracle.com/javase/8/docs/api/java/util/SortedSet.html?is-external=true" title="class or interface in java.util">SortedSet</a><<a href="https://docs.oracle.com/javase/8/docs/api/java/nio/file/Path.html?is-external=true" title="class or interface in java.nio.file">Path</a>> getAliveWorkerDirs() |
| throws <a href="https://docs.oracle.com/javase/8/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</a></pre> |
| <div class="block"><p>Return a sorted set of paths that were written by workers that are now active.</p></div> |
| <dl> |
| <dt><span class="throwsLabel">Throws:</span></dt> |
| <dd><code><a href="https://docs.oracle.com/javase/8/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</a></code></dd> |
| </dl> |
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| <pre>public <a href="https://docs.oracle.com/javase/8/docs/api/java/util/Optional.html?is-external=true" title="class or interface in java.util">Optional</a><<a href="https://docs.oracle.com/javase/8/docs/api/java/nio/file/Path.html?is-external=true" title="class or interface in java.nio.file">Path</a>> getMetadataFileForWorkerLogDir(<a href="https://docs.oracle.com/javase/8/docs/api/java/nio/file/Path.html?is-external=true" title="class or interface in java.nio.file">Path</a> logDir) |
| throws <a href="https://docs.oracle.com/javase/8/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</a></pre> |
| <div class="block"><p>Return a metadata file (worker.yaml) for given worker log directory.</p></div> |
| <dl> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>logDir</code> - worker log directory</dd> |
| <dt><span class="throwsLabel">Throws:</span></dt> |
| <dd><code><a href="https://docs.oracle.com/javase/8/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</a></code></dd> |
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| <pre>public <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a> getWorkerIdFromMetadataFile(<a href="https://docs.oracle.com/javase/8/docs/api/java/nio/file/Path.html?is-external=true" title="class or interface in java.nio.file">Path</a> metaFile)</pre> |
| <div class="block"><p>Return worker id from worker meta file.</p></div> |
| <dl> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>metaFile</code> - metadata file</dd> |
| </dl> |
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| <pre>public <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a> getTopologyOwnerFromMetadataFile(<a href="https://docs.oracle.com/javase/8/docs/api/java/nio/file/Path.html?is-external=true" title="class or interface in java.nio.file">Path</a> metaFile)</pre> |
| <div class="block"><p>Return topology owner from worker meta file.</p></div> |
| <dl> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>metaFile</code> - metadata file</dd> |
| </dl> |
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| <h4>getAliveIds</h4> |
| <pre>public <a href="https://docs.oracle.com/javase/8/docs/api/java/util/Set.html?is-external=true" title="class or interface in java.util">Set</a><<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>> getAliveIds(int nowSecs) |
| throws <a href="https://docs.oracle.com/javase/8/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</a></pre> |
| <div class="block"><p>Retrieve the set of alive worker IDs.</p></div> |
| <dl> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>nowSecs</code> - current time in seconds</dd> |
| <dt><span class="throwsLabel">Throws:</span></dt> |
| <dd><code><a href="https://docs.oracle.com/javase/8/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</a></code></dd> |
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| <pre>public <a href="https://docs.oracle.com/javase/8/docs/api/java/util/SortedSet.html?is-external=true" title="class or interface in java.util">SortedSet</a><<a href="https://docs.oracle.com/javase/8/docs/api/java/nio/file/Path.html?is-external=true" title="class or interface in java.nio.file">Path</a>> getLogDirs(<a href="https://docs.oracle.com/javase/8/docs/api/java/util/Set.html?is-external=true" title="class or interface in java.util">Set</a><<a href="https://docs.oracle.com/javase/8/docs/api/java/nio/file/Path.html?is-external=true" title="class or interface in java.nio.file">Path</a>> logDirs, |
| <a href="https://docs.oracle.com/javase/8/docs/api/java/util/function/Predicate.html?is-external=true" title="class or interface in java.util.function">Predicate</a><<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>> predicate)</pre> |
| <div class="block"><p>Finds directories for specific worker ids that can be cleaned up.</p></div> |
| <dl> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>logDirs</code> - directories to check whether they’re worker directories or not</dd> |
| <dd><code>predicate</code> - a check on a worker id to see if the log dir should be included</dd> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>directories that can be cleaned up.</dd> |
| </dl> |
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| <pre>public static <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a> getTopologyPortWorkerLog(<a href="https://docs.oracle.com/javase/8/docs/api/java/nio/file/Path.html?is-external=true" title="class or interface in java.nio.file">Path</a> file)</pre> |
| <div class="block"><p>Return the path of the worker log with the format of topoId/port/worker.log.*</p></div> |
| <dl> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>file</code> - worker log</dd> |
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