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| <div class="sub-title"><span class="package-label-in-type">Package</span> <a href="package-summary.html">org.apache.hadoop.hbase.mapreduce</a></div> |
| <h1 title="Class MultiTableSnapshotInputFormatImpl" class="title">Class MultiTableSnapshotInputFormatImpl</h1> |
| </div> |
| <div class="inheritance" title="Inheritance Tree"><a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/lang/Object.html" title="class or interface in java.lang" class="external-link">java.lang.Object</a> |
| <div class="inheritance">org.apache.hadoop.hbase.mapreduce.MultiTableSnapshotInputFormatImpl</div> |
| </div> |
| <section class="class-description" id="class-description"> |
| <hr> |
| <div class="type-signature"><span class="annotations">@LimitedPrivate("HBase") |
| @Evolving |
| </span><span class="modifiers">public class </span><span class="element-name"><a href="../../../../../src-html/org/apache/hadoop/hbase/mapreduce/MultiTableSnapshotInputFormatImpl.html#line-48">MultiTableSnapshotInputFormatImpl</a></span> |
| <span class="extends-implements">extends <a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/lang/Object.html" title="class or interface in java.lang" class="external-link">Object</a></span></div> |
| <div class="block">Shared implementation of mapreduce code over multiple table snapshots. Utilized by both mapreduce |
| <a href="MultiTableSnapshotInputFormat.html" title="class in org.apache.hadoop.hbase.mapreduce"><code>MultiTableSnapshotInputFormat</code></a> and mapred |
| <a href="../mapred/MultiTableSnapshotInputFormat.html" title="class in org.apache.hadoop.hbase.mapred"><code>MultiTableSnapshotInputFormat</code></a> implementations.</div> |
| </section> |
| <section class="summary"> |
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| <h2>Field Summary</h2> |
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| <div class="summary-table three-column-summary"> |
| <div class="table-header col-first">Modifier and Type</div> |
| <div class="table-header col-second">Field</div> |
| <div class="table-header col-last">Description</div> |
| <div class="col-first even-row-color"><code>private static final org.slf4j.Logger</code></div> |
| <div class="col-second even-row-color"><code><a href="#LOG" class="member-name-link">LOG</a></code></div> |
| <div class="col-last even-row-color"> </div> |
| <div class="col-first odd-row-color"><code>static final <a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/lang/String.html" title="class or interface in java.lang" class="external-link">String</a></code></div> |
| <div class="col-second odd-row-color"><code><a href="#RESTORE_DIRS_KEY" class="member-name-link">RESTORE_DIRS_KEY</a></code></div> |
| <div class="col-last odd-row-color"> </div> |
| <div class="col-first even-row-color"><code>static final <a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/lang/String.html" title="class or interface in java.lang" class="external-link">String</a></code></div> |
| <div class="col-second even-row-color"><code><a href="#SNAPSHOT_TO_SCANS_KEY" class="member-name-link">SNAPSHOT_TO_SCANS_KEY</a></code></div> |
| <div class="col-last even-row-color"> </div> |
| </div> |
| </section> |
| </li> |
| <!-- ======== CONSTRUCTOR SUMMARY ======== --> |
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| <section class="constructor-summary" id="constructor-summary"> |
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| <div class="table-header col-first">Constructor</div> |
| <div class="table-header col-last">Description</div> |
| <div class="col-constructor-name even-row-color"><code><a href="#%3Cinit%3E()" class="member-name-link">MultiTableSnapshotInputFormatImpl</a>()</code></div> |
| <div class="col-last even-row-color"> </div> |
| </div> |
| </section> |
| </li> |
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| <div class="summary-table three-column-summary" aria-labelledby="method-summary-table-tab0"> |
| <div class="table-header col-first">Modifier and Type</div> |
| <div class="table-header col-second">Method</div> |
| <div class="table-header col-last">Description</div> |
| <div class="col-first even-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"><code>private <a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/util/Map.html" title="class or interface in java.util" class="external-link">Map</a><<a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/lang/String.html" title="class or interface in java.lang" class="external-link">String</a>,<wbr>org.apache.hadoop.fs.Path></code></div> |
| <div class="col-second even-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"><code><a href="#generateSnapshotToRestoreDirMapping(java.util.Collection,org.apache.hadoop.fs.Path)" class="member-name-link">generateSnapshotToRestoreDirMapping</a><wbr>(<a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/util/Collection.html" title="class or interface in java.util" class="external-link">Collection</a><<a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/lang/String.html" title="class or interface in java.lang" class="external-link">String</a>> snapshots, |
| org.apache.hadoop.fs.Path baseRestoreDir)</code></div> |
| <div class="col-last even-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"> |
| <div class="block">Generate a random path underneath baseRestoreDir for each snapshot in snapshots and return a |
| map from the snapshot to the restore directory.</div> |
| </div> |
| <div class="col-first odd-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"><code><a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/util/Map.html" title="class or interface in java.util" class="external-link">Map</a><<a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/lang/String.html" title="class or interface in java.lang" class="external-link">String</a>,<wbr>org.apache.hadoop.fs.Path></code></div> |
| <div class="col-second odd-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"><code><a href="#getSnapshotDirs(org.apache.hadoop.conf.Configuration)" class="member-name-link">getSnapshotDirs</a><wbr>(org.apache.hadoop.conf.Configuration conf)</code></div> |
| <div class="col-last odd-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"> |
| <div class="block">Retrieve the directories into which snapshots have been restored from |
| (<a href="#RESTORE_DIRS_KEY"><code>RESTORE_DIRS_KEY</code></a>)</div> |
| </div> |
| <div class="col-first even-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"><code><a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/util/Map.html" title="class or interface in java.util" class="external-link">Map</a><<a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/lang/String.html" title="class or interface in java.lang" class="external-link">String</a>,<wbr><a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/util/Collection.html" title="class or interface in java.util" class="external-link">Collection</a><<a href="../client/Scan.html" title="class in org.apache.hadoop.hbase.client">Scan</a>>></code></div> |
| <div class="col-second even-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"><code><a href="#getSnapshotsToScans(org.apache.hadoop.conf.Configuration)" class="member-name-link">getSnapshotsToScans</a><wbr>(org.apache.hadoop.conf.Configuration conf)</code></div> |
| <div class="col-last even-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"> |
| <div class="block">Retrieve the snapshot name -> list<scan> mapping pushed to configuration by |
| <a href="#setSnapshotToScans(org.apache.hadoop.conf.Configuration,java.util.Map)"><code>setSnapshotToScans(Configuration, Map)</code></a></div> |
| </div> |
| <div class="col-first odd-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"><code><a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/util/List.html" title="class or interface in java.util" class="external-link">List</a><<a href="TableSnapshotInputFormatImpl.InputSplit.html" title="class in org.apache.hadoop.hbase.mapreduce">TableSnapshotInputFormatImpl.InputSplit</a>></code></div> |
| <div class="col-second odd-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"><code><a href="#getSplits(org.apache.hadoop.conf.Configuration)" class="member-name-link">getSplits</a><wbr>(org.apache.hadoop.conf.Configuration conf)</code></div> |
| <div class="col-last odd-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"> |
| <div class="block">Return the list of splits extracted from the scans/snapshots pushed to conf by |
| <a href="#setInput(org.apache.hadoop.conf.Configuration,java.util.Map,org.apache.hadoop.fs.Path)"><code>setInput(Configuration, Map, Path)</code></a></div> |
| </div> |
| <div class="col-first even-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"><code>(package private) void</code></div> |
| <div class="col-second even-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"><code><a href="#restoreSnapshot(org.apache.hadoop.conf.Configuration,java.lang.String,org.apache.hadoop.fs.Path,org.apache.hadoop.fs.Path,org.apache.hadoop.fs.FileSystem)" class="member-name-link">restoreSnapshot</a><wbr>(org.apache.hadoop.conf.Configuration conf, |
| <a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/lang/String.html" title="class or interface in java.lang" class="external-link">String</a> snapshotName, |
| org.apache.hadoop.fs.Path rootDir, |
| org.apache.hadoop.fs.Path restoreDir, |
| org.apache.hadoop.fs.FileSystem fs)</code></div> |
| <div class="col-last even-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"> </div> |
| <div class="col-first odd-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"><code>void</code></div> |
| <div class="col-second odd-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"><code><a href="#restoreSnapshots(org.apache.hadoop.conf.Configuration,java.util.Map,org.apache.hadoop.fs.FileSystem)" class="member-name-link">restoreSnapshots</a><wbr>(org.apache.hadoop.conf.Configuration conf, |
| <a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/util/Map.html" title="class or interface in java.util" class="external-link">Map</a><<a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/lang/String.html" title="class or interface in java.lang" class="external-link">String</a>,<wbr>org.apache.hadoop.fs.Path> snapshotToDir, |
| org.apache.hadoop.fs.FileSystem fs)</code></div> |
| <div class="col-last odd-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"> |
| <div class="block">Restore each (snapshot name, restore directory) pair in snapshotToDir</div> |
| </div> |
| <div class="col-first even-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"><code>void</code></div> |
| <div class="col-second even-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"><code><a href="#setInput(org.apache.hadoop.conf.Configuration,java.util.Map,org.apache.hadoop.fs.Path)" class="member-name-link">setInput</a><wbr>(org.apache.hadoop.conf.Configuration conf, |
| <a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/util/Map.html" title="class or interface in java.util" class="external-link">Map</a><<a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/lang/String.html" title="class or interface in java.lang" class="external-link">String</a>,<wbr><a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/util/Collection.html" title="class or interface in java.util" class="external-link">Collection</a><<a href="../client/Scan.html" title="class in org.apache.hadoop.hbase.client">Scan</a>>> snapshotScans, |
| org.apache.hadoop.fs.Path restoreDir)</code></div> |
| <div class="col-last even-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"> |
| <div class="block">Configure conf to read from snapshotScans, with snapshots restored to a subdirectory of |
| restoreDir.</div> |
| </div> |
| <div class="col-first odd-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"><code>void</code></div> |
| <div class="col-second odd-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"><code><a href="#setSnapshotDirs(org.apache.hadoop.conf.Configuration,java.util.Map)" class="member-name-link">setSnapshotDirs</a><wbr>(org.apache.hadoop.conf.Configuration conf, |
| <a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/util/Map.html" title="class or interface in java.util" class="external-link">Map</a><<a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/lang/String.html" title="class or interface in java.lang" class="external-link">String</a>,<wbr>org.apache.hadoop.fs.Path> snapshotDirs)</code></div> |
| <div class="col-last odd-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"> </div> |
| <div class="col-first even-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"><code>void</code></div> |
| <div class="col-second even-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"><code><a href="#setSnapshotToScans(org.apache.hadoop.conf.Configuration,java.util.Map)" class="member-name-link">setSnapshotToScans</a><wbr>(org.apache.hadoop.conf.Configuration conf, |
| <a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/util/Map.html" title="class or interface in java.util" class="external-link">Map</a><<a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/lang/String.html" title="class or interface in java.lang" class="external-link">String</a>,<wbr><a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/util/Collection.html" title="class or interface in java.util" class="external-link">Collection</a><<a href="../client/Scan.html" title="class in org.apache.hadoop.hbase.client">Scan</a>>> snapshotScans)</code></div> |
| <div class="col-last even-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"> |
| <div class="block">Push snapshotScans to conf (under the key <a href="#SNAPSHOT_TO_SCANS_KEY"><code>SNAPSHOT_TO_SCANS_KEY</code></a>)</div> |
| </div> |
| </div> |
| </div> |
| </div> |
| <div class="inherited-list"> |
| <h3 id="methods-inherited-from-class-java.lang.Object">Methods inherited from class java.lang.<a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/lang/Object.html" title="class or interface in java.lang" class="external-link">Object</a></h3> |
| <code><a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/lang/Object.html#clone()" title="class or interface in java.lang" class="external-link">clone</a>, <a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/lang/Object.html#equals(java.lang.Object)" title="class or interface in java.lang" class="external-link">equals</a>, <a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/lang/Object.html#finalize()" title="class or interface in java.lang" class="external-link">finalize</a>, <a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/lang/Object.html#getClass()" title="class or interface in java.lang" class="external-link">getClass</a>, <a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/lang/Object.html#hashCode()" title="class or interface in java.lang" class="external-link">hashCode</a>, <a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/lang/Object.html#notify()" title="class or interface in java.lang" class="external-link">notify</a>, <a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/lang/Object.html#notifyAll()" title="class or interface in java.lang" class="external-link">notifyAll</a>, <a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/lang/Object.html#toString()" title="class or interface in java.lang" class="external-link">toString</a>, <a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/lang/Object.html#wait()" title="class or interface in java.lang" class="external-link">wait</a>, <a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/lang/Object.html#wait(long)" title="class or interface in java.lang" class="external-link">wait</a>, <a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/lang/Object.html#wait(long,int)" title="class or interface in java.lang" class="external-link">wait</a></code></div> |
| </section> |
| </li> |
| </ul> |
| </section> |
| <section class="details"> |
| <ul class="details-list"> |
| <!-- ============ FIELD DETAIL =========== --> |
| <li> |
| <section class="field-details" id="field-detail"> |
| <h2>Field Details</h2> |
| <ul class="member-list"> |
| <li> |
| <section class="detail" id="LOG"> |
| <h3>LOG</h3> |
| <div class="member-signature"><span class="modifiers">private static final</span> <span class="return-type">org.slf4j.Logger</span> <span class="element-name"><a href="../../../../../src-html/org/apache/hadoop/hbase/mapreduce/MultiTableSnapshotInputFormatImpl.html#line-51">LOG</a></span></div> |
| </section> |
| </li> |
| <li> |
| <section class="detail" id="RESTORE_DIRS_KEY"> |
| <h3>RESTORE_DIRS_KEY</h3> |
| <div class="member-signature"><span class="modifiers">public static final</span> <span class="return-type"><a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/lang/String.html" title="class or interface in java.lang" class="external-link">String</a></span> <span class="element-name"><a href="../../../../../src-html/org/apache/hadoop/hbase/mapreduce/MultiTableSnapshotInputFormatImpl.html#line-54">RESTORE_DIRS_KEY</a></span></div> |
| <dl class="notes"> |
| <dt>See Also:</dt> |
| <dd> |
| <ul class="see-list"> |
| <li><a href="../../../../../constant-values.html#org.apache.hadoop.hbase.mapreduce.MultiTableSnapshotInputFormatImpl.RESTORE_DIRS_KEY">Constant Field Values</a></li> |
| </ul> |
| </dd> |
| </dl> |
| </section> |
| </li> |
| <li> |
| <section class="detail" id="SNAPSHOT_TO_SCANS_KEY"> |
| <h3>SNAPSHOT_TO_SCANS_KEY</h3> |
| <div class="member-signature"><span class="modifiers">public static final</span> <span class="return-type"><a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/lang/String.html" title="class or interface in java.lang" class="external-link">String</a></span> <span class="element-name"><a href="../../../../../src-html/org/apache/hadoop/hbase/mapreduce/MultiTableSnapshotInputFormatImpl.html#line-56">SNAPSHOT_TO_SCANS_KEY</a></span></div> |
| <dl class="notes"> |
| <dt>See Also:</dt> |
| <dd> |
| <ul class="see-list"> |
| <li><a href="../../../../../constant-values.html#org.apache.hadoop.hbase.mapreduce.MultiTableSnapshotInputFormatImpl.SNAPSHOT_TO_SCANS_KEY">Constant Field Values</a></li> |
| </ul> |
| </dd> |
| </dl> |
| </section> |
| </li> |
| </ul> |
| </section> |
| </li> |
| <!-- ========= CONSTRUCTOR DETAIL ======== --> |
| <li> |
| <section class="constructor-details" id="constructor-detail"> |
| <h2>Constructor Details</h2> |
| <ul class="member-list"> |
| <li> |
| <section class="detail" id="<init>()"> |
| <h3>MultiTableSnapshotInputFormatImpl</h3> |
| <div class="member-signature"><span class="modifiers">public</span> <span class="element-name"><a href="../../../../../src-html/org/apache/hadoop/hbase/mapreduce/MultiTableSnapshotInputFormatImpl.html#line-50">MultiTableSnapshotInputFormatImpl</a></span>()</div> |
| </section> |
| </li> |
| </ul> |
| </section> |
| </li> |
| <!-- ============ METHOD DETAIL ========== --> |
| <li> |
| <section class="method-details" id="method-detail"> |
| <h2>Method Details</h2> |
| <ul class="member-list"> |
| <li> |
| <section class="detail" id="setInput(org.apache.hadoop.conf.Configuration,java.util.Map,org.apache.hadoop.fs.Path)"> |
| <h3>setInput</h3> |
| <div class="member-signature"><span class="modifiers">public</span> <span class="return-type">void</span> <span class="element-name"><a href="../../../../../src-html/org/apache/hadoop/hbase/mapreduce/MultiTableSnapshotInputFormatImpl.html#line-65">setInput</a></span><wbr><span class="parameters">(org.apache.hadoop.conf.Configuration conf, |
| <a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/util/Map.html" title="class or interface in java.util" class="external-link">Map</a><<a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/lang/String.html" title="class or interface in java.lang" class="external-link">String</a>,<wbr><a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/util/Collection.html" title="class or interface in java.util" class="external-link">Collection</a><<a href="../client/Scan.html" title="class in org.apache.hadoop.hbase.client">Scan</a>>> snapshotScans, |
| org.apache.hadoop.fs.Path restoreDir)</span> |
| throws <span class="exceptions"><a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/io/IOException.html" title="class or interface in java.io" class="external-link">IOException</a></span></div> |
| <div class="block">Configure conf to read from snapshotScans, with snapshots restored to a subdirectory of |
| restoreDir. |
| <p/> |
| Sets: <a href="#RESTORE_DIRS_KEY"><code>RESTORE_DIRS_KEY</code></a>, <a href="#SNAPSHOT_TO_SCANS_KEY"><code>SNAPSHOT_TO_SCANS_KEY</code></a></div> |
| <dl class="notes"> |
| <dt>Throws:</dt> |
| <dd><code><a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/io/IOException.html" title="class or interface in java.io" class="external-link">IOException</a></code></dd> |
| </dl> |
| </section> |
| </li> |
| <li> |
| <section class="detail" id="getSplits(org.apache.hadoop.conf.Configuration)"> |
| <h3>getSplits</h3> |
| <div class="member-signature"><span class="modifiers">public</span> <span class="return-type"><a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/util/List.html" title="class or interface in java.util" class="external-link">List</a><<a href="TableSnapshotInputFormatImpl.InputSplit.html" title="class in org.apache.hadoop.hbase.mapreduce">TableSnapshotInputFormatImpl.InputSplit</a>></span> <span class="element-name"><a href="../../../../../src-html/org/apache/hadoop/hbase/mapreduce/MultiTableSnapshotInputFormatImpl.html#line-83">getSplits</a></span><wbr><span class="parameters">(org.apache.hadoop.conf.Configuration conf)</span> |
| throws <span class="exceptions"><a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/io/IOException.html" title="class or interface in java.io" class="external-link">IOException</a></span></div> |
| <div class="block">Return the list of splits extracted from the scans/snapshots pushed to conf by |
| <a href="#setInput(org.apache.hadoop.conf.Configuration,java.util.Map,org.apache.hadoop.fs.Path)"><code>setInput(Configuration, Map, Path)</code></a></div> |
| <dl class="notes"> |
| <dt>Parameters:</dt> |
| <dd><code>conf</code> - Configuration to determine splits from</dd> |
| <dt>Returns:</dt> |
| <dd>Return the list of splits extracted from the scans/snapshots pushed to conf</dd> |
| <dt>Throws:</dt> |
| <dd><code><a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/io/IOException.html" title="class or interface in java.io" class="external-link">IOException</a></code></dd> |
| </dl> |
| </section> |
| </li> |
| <li> |
| <section class="detail" id="getSnapshotsToScans(org.apache.hadoop.conf.Configuration)"> |
| <h3>getSnapshotsToScans</h3> |
| <div class="member-signature"><span class="modifiers">public</span> <span class="return-type"><a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/util/Map.html" title="class or interface in java.util" class="external-link">Map</a><<a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/lang/String.html" title="class or interface in java.lang" class="external-link">String</a>,<wbr><a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/util/Collection.html" title="class or interface in java.util" class="external-link">Collection</a><<a href="../client/Scan.html" title="class in org.apache.hadoop.hbase.client">Scan</a>>></span> <span class="element-name"><a href="../../../../../src-html/org/apache/hadoop/hbase/mapreduce/MultiTableSnapshotInputFormatImpl.html#line-117">getSnapshotsToScans</a></span><wbr><span class="parameters">(org.apache.hadoop.conf.Configuration conf)</span> |
| throws <span class="exceptions"><a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/io/IOException.html" title="class or interface in java.io" class="external-link">IOException</a></span></div> |
| <div class="block">Retrieve the snapshot name -> list<scan> mapping pushed to configuration by |
| <a href="#setSnapshotToScans(org.apache.hadoop.conf.Configuration,java.util.Map)"><code>setSnapshotToScans(Configuration, Map)</code></a></div> |
| <dl class="notes"> |
| <dt>Parameters:</dt> |
| <dd><code>conf</code> - Configuration to extract name -> list<scan> mappings from.</dd> |
| <dt>Returns:</dt> |
| <dd>the snapshot name -> list<scan> mapping pushed to configuration</dd> |
| <dt>Throws:</dt> |
| <dd><code><a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/io/IOException.html" title="class or interface in java.io" class="external-link">IOException</a></code></dd> |
| </dl> |
| </section> |
| </li> |
| <li> |
| <section class="detail" id="setSnapshotToScans(org.apache.hadoop.conf.Configuration,java.util.Map)"> |
| <h3>setSnapshotToScans</h3> |
| <div class="member-signature"><span class="modifiers">public</span> <span class="return-type">void</span> <span class="element-name"><a href="../../../../../src-html/org/apache/hadoop/hbase/mapreduce/MultiTableSnapshotInputFormatImpl.html#line-141">setSnapshotToScans</a></span><wbr><span class="parameters">(org.apache.hadoop.conf.Configuration conf, |
| <a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/util/Map.html" title="class or interface in java.util" class="external-link">Map</a><<a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/lang/String.html" title="class or interface in java.lang" class="external-link">String</a>,<wbr><a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/util/Collection.html" title="class or interface in java.util" class="external-link">Collection</a><<a href="../client/Scan.html" title="class in org.apache.hadoop.hbase.client">Scan</a>>> snapshotScans)</span> |
| throws <span class="exceptions"><a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/io/IOException.html" title="class or interface in java.io" class="external-link">IOException</a></span></div> |
| <div class="block">Push snapshotScans to conf (under the key <a href="#SNAPSHOT_TO_SCANS_KEY"><code>SNAPSHOT_TO_SCANS_KEY</code></a>)</div> |
| <dl class="notes"> |
| <dt>Throws:</dt> |
| <dd><code><a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/io/IOException.html" title="class or interface in java.io" class="external-link">IOException</a></code></dd> |
| </dl> |
| </section> |
| </li> |
| <li> |
| <section class="detail" id="getSnapshotDirs(org.apache.hadoop.conf.Configuration)"> |
| <h3>getSnapshotDirs</h3> |
| <div class="member-signature"><span class="modifiers">public</span> <span class="return-type"><a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/util/Map.html" title="class or interface in java.util" class="external-link">Map</a><<a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/lang/String.html" title="class or interface in java.lang" class="external-link">String</a>,<wbr>org.apache.hadoop.fs.Path></span> <span class="element-name"><a href="../../../../../src-html/org/apache/hadoop/hbase/mapreduce/MultiTableSnapshotInputFormatImpl.html#line-166">getSnapshotDirs</a></span><wbr><span class="parameters">(org.apache.hadoop.conf.Configuration conf)</span> |
| throws <span class="exceptions"><a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/io/IOException.html" title="class or interface in java.io" class="external-link">IOException</a></span></div> |
| <div class="block">Retrieve the directories into which snapshots have been restored from |
| (<a href="#RESTORE_DIRS_KEY"><code>RESTORE_DIRS_KEY</code></a>)</div> |
| <dl class="notes"> |
| <dt>Parameters:</dt> |
| <dd><code>conf</code> - Configuration to extract restore directories from</dd> |
| <dt>Returns:</dt> |
| <dd>the directories into which snapshots have been restored from</dd> |
| <dt>Throws:</dt> |
| <dd><code><a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/io/IOException.html" title="class or interface in java.io" class="external-link">IOException</a></code></dd> |
| </dl> |
| </section> |
| </li> |
| <li> |
| <section class="detail" id="setSnapshotDirs(org.apache.hadoop.conf.Configuration,java.util.Map)"> |
| <h3>setSnapshotDirs</h3> |
| <div class="member-signature"><span class="modifiers">public</span> <span class="return-type">void</span> <span class="element-name"><a href="../../../../../src-html/org/apache/hadoop/hbase/mapreduce/MultiTableSnapshotInputFormatImpl.html#line-177">setSnapshotDirs</a></span><wbr><span class="parameters">(org.apache.hadoop.conf.Configuration conf, |
| <a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/util/Map.html" title="class or interface in java.util" class="external-link">Map</a><<a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/lang/String.html" title="class or interface in java.lang" class="external-link">String</a>,<wbr>org.apache.hadoop.fs.Path> snapshotDirs)</span></div> |
| </section> |
| </li> |
| <li> |
| <section class="detail" id="generateSnapshotToRestoreDirMapping(java.util.Collection,org.apache.hadoop.fs.Path)"> |
| <h3>generateSnapshotToRestoreDirMapping</h3> |
| <div class="member-signature"><span class="modifiers">private</span> <span class="return-type"><a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/util/Map.html" title="class or interface in java.util" class="external-link">Map</a><<a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/lang/String.html" title="class or interface in java.lang" class="external-link">String</a>,<wbr>org.apache.hadoop.fs.Path></span> <span class="element-name"><a href="../../../../../src-html/org/apache/hadoop/hbase/mapreduce/MultiTableSnapshotInputFormatImpl.html#line-194">generateSnapshotToRestoreDirMapping</a></span><wbr><span class="parameters">(<a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/util/Collection.html" title="class or interface in java.util" class="external-link">Collection</a><<a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/lang/String.html" title="class or interface in java.lang" class="external-link">String</a>> snapshots, |
| org.apache.hadoop.fs.Path baseRestoreDir)</span></div> |
| <div class="block">Generate a random path underneath baseRestoreDir for each snapshot in snapshots and return a |
| map from the snapshot to the restore directory.</div> |
| <dl class="notes"> |
| <dt>Parameters:</dt> |
| <dd><code>snapshots</code> - collection of snapshot names to restore</dd> |
| <dd><code>baseRestoreDir</code> - base directory under which all snapshots in snapshots will be restored</dd> |
| <dt>Returns:</dt> |
| <dd>a mapping from snapshot name to the directory in which that snapshot has been restored</dd> |
| </dl> |
| </section> |
| </li> |
| <li> |
| <section class="detail" id="restoreSnapshots(org.apache.hadoop.conf.Configuration,java.util.Map,org.apache.hadoop.fs.FileSystem)"> |
| <h3>restoreSnapshots</h3> |
| <div class="member-signature"><span class="modifiers">public</span> <span class="return-type">void</span> <span class="element-name"><a href="../../../../../src-html/org/apache/hadoop/hbase/mapreduce/MultiTableSnapshotInputFormatImpl.html#line-213">restoreSnapshots</a></span><wbr><span class="parameters">(org.apache.hadoop.conf.Configuration conf, |
| <a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/util/Map.html" title="class or interface in java.util" class="external-link">Map</a><<a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/lang/String.html" title="class or interface in java.lang" class="external-link">String</a>,<wbr>org.apache.hadoop.fs.Path> snapshotToDir, |
| org.apache.hadoop.fs.FileSystem fs)</span> |
| throws <span class="exceptions"><a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/io/IOException.html" title="class or interface in java.io" class="external-link">IOException</a></span></div> |
| <div class="block">Restore each (snapshot name, restore directory) pair in snapshotToDir</div> |
| <dl class="notes"> |
| <dt>Parameters:</dt> |
| <dd><code>conf</code> - configuration to restore with</dd> |
| <dd><code>snapshotToDir</code> - mapping from snapshot names to restore directories</dd> |
| <dd><code>fs</code> - filesystem to do snapshot restoration on</dd> |
| <dt>Throws:</dt> |
| <dd><code><a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/io/IOException.html" title="class or interface in java.io" class="external-link">IOException</a></code></dd> |
| </dl> |
| </section> |
| </li> |
| <li> |
| <section class="detail" id="restoreSnapshot(org.apache.hadoop.conf.Configuration,java.lang.String,org.apache.hadoop.fs.Path,org.apache.hadoop.fs.Path,org.apache.hadoop.fs.FileSystem)"> |
| <h3>restoreSnapshot</h3> |
| <div class="member-signature"><span class="return-type">void</span> <span class="element-name"><a href="../../../../../src-html/org/apache/hadoop/hbase/mapreduce/MultiTableSnapshotInputFormatImpl.html#line-227">restoreSnapshot</a></span><wbr><span class="parameters">(org.apache.hadoop.conf.Configuration conf, |
| <a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/lang/String.html" title="class or interface in java.lang" class="external-link">String</a> snapshotName, |
| org.apache.hadoop.fs.Path rootDir, |
| org.apache.hadoop.fs.Path restoreDir, |
| org.apache.hadoop.fs.FileSystem fs)</span> |
| throws <span class="exceptions"><a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/io/IOException.html" title="class or interface in java.io" class="external-link">IOException</a></span></div> |
| <dl class="notes"> |
| <dt>Throws:</dt> |
| <dd><code><a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/io/IOException.html" title="class or interface in java.io" class="external-link">IOException</a></code></dd> |
| </dl> |
| </section> |
| </li> |
| </ul> |
| </section> |
| </li> |
| </ul> |
| </section> |
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