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| <div class="subTitle">org.apache.hadoop.hbase.client</div> |
| <h2 title="Class Get" class="title">Class Get</h2> |
| </div> |
| <div class="contentContainer"> |
| <ul class="inheritance"> |
| <li><a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true" title="class or interface in java.lang">java.lang.Object</a></li> |
| <li> |
| <ul class="inheritance"> |
| <li><a href="../../../../../org/apache/hadoop/hbase/client/Operation.html" title="class in org.apache.hadoop.hbase.client">org.apache.hadoop.hbase.client.Operation</a></li> |
| <li> |
| <ul class="inheritance"> |
| <li><a href="../../../../../org/apache/hadoop/hbase/client/OperationWithAttributes.html" title="class in org.apache.hadoop.hbase.client">org.apache.hadoop.hbase.client.OperationWithAttributes</a></li> |
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| <ul class="inheritance"> |
| <li><a href="../../../../../org/apache/hadoop/hbase/client/Query.html" title="class in org.apache.hadoop.hbase.client">org.apache.hadoop.hbase.client.Query</a></li> |
| <li> |
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| <li>org.apache.hadoop.hbase.client.Get</li> |
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| <dl> |
| <dt>All Implemented Interfaces:</dt> |
| <dd><a href="../../../../../org/apache/hadoop/hbase/client/Attributes.html" title="interface in org.apache.hadoop.hbase.client">Attributes</a>, <a href="../../../../../org/apache/hadoop/hbase/client/Row.html" title="interface in org.apache.hadoop.hbase.client">Row</a></dd> |
| </dl> |
| <hr> |
| <br> |
| <pre>@InterfaceAudience.Public |
| public class <a href="../../../../../src-html/org/apache/hadoop/hbase/client/Get.html#line.67">Get</a> |
| extends <a href="../../../../../org/apache/hadoop/hbase/client/Query.html" title="class in org.apache.hadoop.hbase.client">Query</a> |
| implements <a href="../../../../../org/apache/hadoop/hbase/client/Row.html" title="interface in org.apache.hadoop.hbase.client">Row</a></pre> |
| <div class="block">Used to perform Get operations on a single row. |
| <p> |
| To get everything for a row, instantiate a Get object with the row to get. |
| To further narrow the scope of what to Get, use the methods below. |
| <p> |
| To get all columns from specific families, execute <a href="../../../../../org/apache/hadoop/hbase/client/Get.html#addFamily-byte:A-"><code>addFamily</code></a> |
| for each family to retrieve. |
| <p> |
| To get specific columns, execute <a href="../../../../../org/apache/hadoop/hbase/client/Get.html#addColumn-byte:A-byte:A-"><code>addColumn</code></a> |
| for each column to retrieve. |
| <p> |
| To only retrieve columns within a specific range of version timestamps, |
| execute <a href="../../../../../org/apache/hadoop/hbase/client/Get.html#setTimeRange-long-long-"><code>setTimeRange</code></a>. |
| <p> |
| To only retrieve columns with a specific timestamp, execute |
| <a href="../../../../../org/apache/hadoop/hbase/client/Get.html#setTimestamp-long-"><code>setTimestamp</code></a>. |
| <p> |
| To limit the number of versions of each column to be returned, execute |
| <a href="../../../../../org/apache/hadoop/hbase/client/Get.html#readVersions-int-"><code>readVersions</code></a>. |
| <p> |
| To add a filter, call <a href="../../../../../org/apache/hadoop/hbase/client/Get.html#setFilter-org.apache.hadoop.hbase.filter.Filter-"><code>setFilter</code></a>.</div> |
| </li> |
| </ul> |
| </div> |
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| <li class="blockList"> |
| <!-- =========== FIELD SUMMARY =========== --> |
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| <code><a href="../../../../../org/apache/hadoop/hbase/client/Query.html#colFamTimeRangeMap">colFamTimeRangeMap</a>, <a href="../../../../../org/apache/hadoop/hbase/client/Query.html#consistency">consistency</a>, <a href="../../../../../org/apache/hadoop/hbase/client/Query.html#filter">filter</a>, <a href="../../../../../org/apache/hadoop/hbase/client/Query.html#loadColumnFamiliesOnDemand">loadColumnFamiliesOnDemand</a>, <a href="../../../../../org/apache/hadoop/hbase/client/Query.html#targetReplicaId">targetReplicaId</a></code></li> |
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| <!-- ======== CONSTRUCTOR SUMMARY ======== --> |
| <ul class="blockList"> |
| <li class="blockList"><a name="constructor.summary"> |
| <!-- --> |
| </a> |
| <h3>Constructor Summary</h3> |
| <table class="memberSummary" border="0" cellpadding="3" cellspacing="0" summary="Constructor Summary table, listing constructors, and an explanation"> |
| <caption><span>Constructors</span><span class="tabEnd"> </span></caption> |
| <tr> |
| <th class="colOne" scope="col">Constructor and Description</th> |
| </tr> |
| <tr class="altColor"> |
| <td class="colOne"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/client/Get.html#Get-byte:A-">Get</a></span>(byte[] row)</code> |
| <div class="block">Create a Get operation for the specified row.</div> |
| </td> |
| </tr> |
| <tr class="rowColor"> |
| <td class="colOne"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/client/Get.html#Get-byte:A-int-int-">Get</a></span>(byte[] row, |
| int rowOffset, |
| int rowLength)</code> |
| <div class="block">Create a Get operation for the specified row.</div> |
| </td> |
| </tr> |
| <tr class="altColor"> |
| <td class="colOne"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/client/Get.html#Get-java.nio.ByteBuffer-">Get</a></span>(<a href="https://docs.oracle.com/javase/8/docs/api/java/nio/ByteBuffer.html?is-external=true" title="class or interface in java.nio">ByteBuffer</a> row)</code> |
| <div class="block">Create a Get operation for the specified row.</div> |
| </td> |
| </tr> |
| <tr class="rowColor"> |
| <td class="colOne"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/client/Get.html#Get-org.apache.hadoop.hbase.client.Get-">Get</a></span>(<a href="../../../../../org/apache/hadoop/hbase/client/Get.html" title="class in org.apache.hadoop.hbase.client">Get</a> get)</code> |
| <div class="block">Copy-constructor</div> |
| </td> |
| </tr> |
| </table> |
| </li> |
| </ul> |
| <!-- ========== METHOD SUMMARY =========== --> |
| <ul class="blockList"> |
| <li class="blockList"><a name="method.summary"> |
| <!-- --> |
| </a> |
| <h3>Method Summary</h3> |
| <table class="memberSummary" border="0" cellpadding="3" cellspacing="0" summary="Method Summary table, listing methods, and an explanation"> |
| <caption><span id="t0" class="activeTableTab"><span>All Methods</span><span class="tabEnd"> </span></span><span id="t2" class="tableTab"><span><a href="javascript:show(2);">Instance Methods</a></span><span class="tabEnd"> </span></span><span id="t4" class="tableTab"><span><a href="javascript:show(8);">Concrete Methods</a></span><span class="tabEnd"> </span></span></caption> |
| <tr> |
| <th class="colFirst" scope="col">Modifier and Type</th> |
| <th class="colLast" scope="col">Method and Description</th> |
| </tr> |
| <tr id="i0" class="altColor"> |
| <td class="colFirst"><code><a href="../../../../../org/apache/hadoop/hbase/client/Get.html" title="class in org.apache.hadoop.hbase.client">Get</a></code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/client/Get.html#addColumn-byte:A-byte:A-">addColumn</a></span>(byte[] family, |
| byte[] qualifier)</code> |
| <div class="block">Get the column from the specific family with the specified qualifier.</div> |
| </td> |
| </tr> |
| <tr id="i1" class="rowColor"> |
| <td class="colFirst"><code><a href="../../../../../org/apache/hadoop/hbase/client/Get.html" title="class in org.apache.hadoop.hbase.client">Get</a></code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/client/Get.html#addFamily-byte:A-">addFamily</a></span>(byte[] family)</code> |
| <div class="block">Get all columns from the specified family.</div> |
| </td> |
| </tr> |
| <tr id="i2" class="altColor"> |
| <td class="colFirst"><code>boolean</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/client/Get.html#equals-java.lang.Object-">equals</a></span>(<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> obj)</code> </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><byte[]></code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/client/Get.html#familySet--">familySet</a></span>()</code> |
| <div class="block">Method for retrieving the keys in the familyMap</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/hadoop/hbase/client/Get.html#getCacheBlocks--">getCacheBlocks</a></span>()</code> |
| <div class="block">Get whether blocks should be cached for this Get.</div> |
| </td> |
| </tr> |
| <tr id="i5" class="rowColor"> |
| <td class="colFirst"><code><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><byte[],<a href="https://docs.oracle.com/javase/8/docs/api/java/util/NavigableSet.html?is-external=true" title="class or interface in java.util">NavigableSet</a><byte[]>></code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/client/Get.html#getFamilyMap--">getFamilyMap</a></span>()</code> |
| <div class="block">Method for retrieving the get's familyMap</div> |
| </td> |
| </tr> |
| <tr id="i6" class="altColor"> |
| <td class="colFirst"><code><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>></code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/client/Get.html#getFingerprint--">getFingerprint</a></span>()</code> |
| <div class="block">Compile the table and column family (i.e.</div> |
| </td> |
| </tr> |
| <tr id="i7" class="rowColor"> |
| <td class="colFirst"><code>int</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/client/Get.html#getMaxResultsPerColumnFamily--">getMaxResultsPerColumnFamily</a></span>()</code> |
| <div class="block">Method for retrieving the get's maximum number of values |
| to return per Column Family</div> |
| </td> |
| </tr> |
| <tr id="i8" class="altColor"> |
| <td class="colFirst"><code>int</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/client/Get.html#getMaxVersions--">getMaxVersions</a></span>()</code> |
| <div class="block">Method for retrieving the get's maximum number of version</div> |
| </td> |
| </tr> |
| <tr id="i9" class="rowColor"> |
| <td class="colFirst"><code>byte[]</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/client/Get.html#getRow--">getRow</a></span>()</code> |
| <div class="block">Method for retrieving the get's row</div> |
| </td> |
| </tr> |
| <tr id="i10" class="altColor"> |
| <td class="colFirst"><code>int</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/client/Get.html#getRowOffsetPerColumnFamily--">getRowOffsetPerColumnFamily</a></span>()</code> |
| <div class="block">Method for retrieving the get's offset per row per column |
| family (#kvs to be skipped)</div> |
| </td> |
| </tr> |
| <tr id="i11" class="rowColor"> |
| <td class="colFirst"><code><a href="../../../../../org/apache/hadoop/hbase/io/TimeRange.html" title="class in org.apache.hadoop.hbase.io">TimeRange</a></code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/client/Get.html#getTimeRange--">getTimeRange</a></span>()</code> |
| <div class="block">Method for retrieving the get's TimeRange</div> |
| </td> |
| </tr> |
| <tr id="i12" class="altColor"> |
| <td class="colFirst"><code>boolean</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/client/Get.html#hasFamilies--">hasFamilies</a></span>()</code> |
| <div class="block">Method for checking if any families have been inserted into this Get</div> |
| </td> |
| </tr> |
| <tr id="i13" class="rowColor"> |
| <td class="colFirst"><code>int</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/client/Get.html#hashCode--">hashCode</a></span>()</code> </td> |
| </tr> |
| <tr id="i14" class="altColor"> |
| <td class="colFirst"><code>boolean</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/client/Get.html#isCheckExistenceOnly--">isCheckExistenceOnly</a></span>()</code> </td> |
| </tr> |
| <tr id="i15" class="rowColor"> |
| <td class="colFirst"><code>int</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/client/Get.html#numFamilies--">numFamilies</a></span>()</code> |
| <div class="block">Method for retrieving the number of families to get from</div> |
| </td> |
| </tr> |
| <tr id="i16" class="altColor"> |
| <td class="colFirst"><code><a href="../../../../../org/apache/hadoop/hbase/client/Get.html" title="class in org.apache.hadoop.hbase.client">Get</a></code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/client/Get.html#readAllVersions--">readAllVersions</a></span>()</code> |
| <div class="block">Get all available versions.</div> |
| </td> |
| </tr> |
| <tr id="i17" class="rowColor"> |
| <td class="colFirst"><code><a href="../../../../../org/apache/hadoop/hbase/client/Get.html" title="class in org.apache.hadoop.hbase.client">Get</a></code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/client/Get.html#readVersions-int-">readVersions</a></span>(int versions)</code> |
| <div class="block">Get up to the specified number of versions of each column.</div> |
| </td> |
| </tr> |
| <tr id="i18" class="altColor"> |
| <td class="colFirst"><code><a href="../../../../../org/apache/hadoop/hbase/client/Get.html" title="class in org.apache.hadoop.hbase.client">Get</a></code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/client/Get.html#setACL-java.util.Map-">setACL</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>,org.apache.hadoop.hbase.security.access.Permission> perms)</code> </td> |
| </tr> |
| <tr id="i19" class="rowColor"> |
| <td class="colFirst"><code><a href="../../../../../org/apache/hadoop/hbase/client/Get.html" title="class in org.apache.hadoop.hbase.client">Get</a></code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/client/Get.html#setACL-java.lang.String-org.apache.hadoop.hbase.security.access.Permission-">setACL</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> user, |
| org.apache.hadoop.hbase.security.access.Permission perms)</code> </td> |
| </tr> |
| <tr id="i20" class="altColor"> |
| <td class="colFirst"><code><a href="../../../../../org/apache/hadoop/hbase/client/Get.html" title="class in org.apache.hadoop.hbase.client">Get</a></code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/client/Get.html#setAttribute-java.lang.String-byte:A-">setAttribute</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> name, |
| byte[] value)</code> |
| <div class="block">Sets an attribute.</div> |
| </td> |
| </tr> |
| <tr id="i21" class="rowColor"> |
| <td class="colFirst"><code><a href="../../../../../org/apache/hadoop/hbase/client/Get.html" title="class in org.apache.hadoop.hbase.client">Get</a></code></td> |
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| <div class="block">Sets the authorizations to be used by this Query</div> |
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| <tr id="i22" class="altColor"> |
| <td class="colFirst"><code><a href="../../../../../org/apache/hadoop/hbase/client/Get.html" title="class in org.apache.hadoop.hbase.client">Get</a></code></td> |
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| <div class="block">Set whether blocks should be cached for this Get.</div> |
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| <tr id="i23" class="rowColor"> |
| <td class="colFirst"><code><a href="../../../../../org/apache/hadoop/hbase/client/Get.html" title="class in org.apache.hadoop.hbase.client">Get</a></code></td> |
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| <td class="colFirst"><code><a href="../../../../../org/apache/hadoop/hbase/client/Get.html" title="class in org.apache.hadoop.hbase.client">Get</a></code></td> |
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| <td class="colFirst"><code><a href="../../../../../org/apache/hadoop/hbase/client/Get.html" title="class in org.apache.hadoop.hbase.client">Get</a></code></td> |
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| <td class="colFirst"><code><a href="../../../../../org/apache/hadoop/hbase/client/Get.html" title="class in org.apache.hadoop.hbase.client">Get</a></code></td> |
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| <div class="block">Get versions of columns only within the specified timestamp range, |
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| <div class="block">Get versions of columns with the specified timestamp.</div> |
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| <dd><code>timestamp</code> - version timestamp</dd> |
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| <div class="block">Get all available versions.</div> |
| <dl> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>this for invocation chaining</dd> |
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| <pre>public <a href="../../../../../org/apache/hadoop/hbase/client/Get.html" title="class in org.apache.hadoop.hbase.client">Get</a> <a href="../../../../../src-html/org/apache/hadoop/hbase/client/Get.html#line.244">readVersions</a>(int versions) |
| 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">Get up to the specified number of versions of each column.</div> |
| <dl> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>versions</code> - specified number of versions for each column</dd> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>this for invocation chaining</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> - if invalid number of versions</dd> |
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| <pre>public <a href="../../../../../org/apache/hadoop/hbase/client/Get.html" title="class in org.apache.hadoop.hbase.client">Get</a> <a href="../../../../../src-html/org/apache/hadoop/hbase/client/Get.html#line.253">setLoadColumnFamiliesOnDemand</a>(boolean value)</pre> |
| <div class="block"><span class="descfrmTypeLabel">Description copied from class: <code><a href="../../../../../org/apache/hadoop/hbase/client/Query.html#setLoadColumnFamiliesOnDemand-boolean-">Query</a></code></span></div> |
| <div class="block">Set the value indicating whether loading CFs on demand should be allowed (cluster |
| default is false). On-demand CF loading doesn't load column families until necessary, e.g. |
| if you filter on one column, the other column family data will be loaded only for the rows |
| that are included in result, not all rows like in normal case. |
| With column-specific filters, like SingleColumnValueFilter w/filterIfMissing == true, |
| this can deliver huge perf gains when there's a cf with lots of data; however, it can |
| also lead to some inconsistent results, as follows: |
| - if someone does a concurrent update to both column families in question you may get a row |
| that never existed, e.g. for { rowKey = 5, { cat_videos => 1 }, { video => "my cat" } } |
| someone puts rowKey 5 with { cat_videos => 0 }, { video => "my dog" }, concurrent scan |
| filtering on "cat_videos == 1" can get { rowKey = 5, { cat_videos => 1 }, |
| { video => "my dog" } }. |
| - if there's a concurrent split and you have more than 2 column families, some rows may be |
| missing some column families.</div> |
| <dl> |
| <dt><span class="overrideSpecifyLabel">Overrides:</span></dt> |
| <dd><code><a href="../../../../../org/apache/hadoop/hbase/client/Query.html#setLoadColumnFamiliesOnDemand-boolean-">setLoadColumnFamiliesOnDemand</a></code> in class <code><a href="../../../../../org/apache/hadoop/hbase/client/Query.html" title="class in org.apache.hadoop.hbase.client">Query</a></code></dd> |
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| <pre>public <a href="../../../../../org/apache/hadoop/hbase/client/Get.html" title="class in org.apache.hadoop.hbase.client">Get</a> <a href="../../../../../src-html/org/apache/hadoop/hbase/client/Get.html#line.262">setMaxResultsPerColumnFamily</a>(int limit)</pre> |
| <div class="block">Set the maximum number of values to return per row per Column Family</div> |
| <dl> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>limit</code> - the maximum number of values returned / row / CF</dd> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>this for invocation chaining</dd> |
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| <pre>public <a href="../../../../../org/apache/hadoop/hbase/client/Get.html" title="class in org.apache.hadoop.hbase.client">Get</a> <a href="../../../../../src-html/org/apache/hadoop/hbase/client/Get.html#line.273">setRowOffsetPerColumnFamily</a>(int offset)</pre> |
| <div class="block">Set offset for the row per Column Family. This offset is only within a particular row/CF |
| combination. It gets reset back to zero when we move to the next row or CF.</div> |
| <dl> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>offset</code> - is the number of kvs that will be skipped.</dd> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>this for invocation chaining</dd> |
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| <pre>public <a href="../../../../../org/apache/hadoop/hbase/client/Get.html" title="class in org.apache.hadoop.hbase.client">Get</a> <a href="../../../../../src-html/org/apache/hadoop/hbase/client/Get.html#line.279">setFilter</a>(<a href="../../../../../org/apache/hadoop/hbase/filter/Filter.html" title="class in org.apache.hadoop.hbase.filter">Filter</a> filter)</pre> |
| <div class="block"><span class="descfrmTypeLabel">Description copied from class: <code><a href="../../../../../org/apache/hadoop/hbase/client/Query.html#setFilter-org.apache.hadoop.hbase.filter.Filter-">Query</a></code></span></div> |
| <div class="block">Apply the specified server-side filter when performing the Query. Only |
| <a href="../../../../../org/apache/hadoop/hbase/filter/Filter.html#filterCell-org.apache.hadoop.hbase.Cell-"><code>Filter.filterCell(org.apache.hadoop.hbase.Cell)</code></a> is called AFTER all tests for ttl, |
| column match, deletes and column family's max versions have been run.</div> |
| <dl> |
| <dt><span class="overrideSpecifyLabel">Overrides:</span></dt> |
| <dd><code><a href="../../../../../org/apache/hadoop/hbase/client/Query.html#setFilter-org.apache.hadoop.hbase.filter.Filter-">setFilter</a></code> in class <code><a href="../../../../../org/apache/hadoop/hbase/client/Query.html" title="class in org.apache.hadoop.hbase.client">Query</a></code></dd> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>filter</code> - filter to run on the server</dd> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>this for invocation chaining</dd> |
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| <pre>public <a href="../../../../../org/apache/hadoop/hbase/client/Get.html" title="class in org.apache.hadoop.hbase.client">Get</a> <a href="../../../../../src-html/org/apache/hadoop/hbase/client/Get.html#line.296">setCacheBlocks</a>(boolean cacheBlocks)</pre> |
| <div class="block">Set whether blocks should be cached for this Get. |
| <p> |
| This is true by default. When true, default settings of the table and |
| family are used (this will never override caching blocks if the block |
| cache is disabled for that family or entirely).</div> |
| <dl> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>cacheBlocks</code> - if false, default settings are overridden and blocks |
| will not be cached</dd> |
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| <pre>public boolean <a href="../../../../../src-html/org/apache/hadoop/hbase/client/Get.html#line.306">getCacheBlocks</a>()</pre> |
| <div class="block">Get whether blocks should be cached for this Get.</div> |
| <dl> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>true if default caching should be used, false if blocks should not |
| be cached</dd> |
| </dl> |
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| <pre>public byte[] <a href="../../../../../src-html/org/apache/hadoop/hbase/client/Get.html#line.315">getRow</a>()</pre> |
| <div class="block">Method for retrieving the get's row</div> |
| <dl> |
| <dt><span class="overrideSpecifyLabel">Specified by:</span></dt> |
| <dd><code><a href="../../../../../org/apache/hadoop/hbase/client/Row.html#getRow--">getRow</a></code> in interface <code><a href="../../../../../org/apache/hadoop/hbase/client/Row.html" title="interface in org.apache.hadoop.hbase.client">Row</a></code></dd> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>row</dd> |
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| <pre>public int <a href="../../../../../src-html/org/apache/hadoop/hbase/client/Get.html#line.323">getMaxVersions</a>()</pre> |
| <div class="block">Method for retrieving the get's maximum number of version</div> |
| <dl> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>the maximum number of version to fetch for this get</dd> |
| </dl> |
| </li> |
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| <pre>public int <a href="../../../../../src-html/org/apache/hadoop/hbase/client/Get.html#line.332">getMaxResultsPerColumnFamily</a>()</pre> |
| <div class="block">Method for retrieving the get's maximum number of values |
| to return per Column Family</div> |
| <dl> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>the maximum number of values to fetch per CF</dd> |
| </dl> |
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| <pre>public int <a href="../../../../../src-html/org/apache/hadoop/hbase/client/Get.html#line.341">getRowOffsetPerColumnFamily</a>()</pre> |
| <div class="block">Method for retrieving the get's offset per row per column |
| family (#kvs to be skipped)</div> |
| <dl> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>the row offset</dd> |
| </dl> |
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| <h4>getTimeRange</h4> |
| <pre>public <a href="../../../../../org/apache/hadoop/hbase/io/TimeRange.html" title="class in org.apache.hadoop.hbase.io">TimeRange</a> <a href="../../../../../src-html/org/apache/hadoop/hbase/client/Get.html#line.349">getTimeRange</a>()</pre> |
| <div class="block">Method for retrieving the get's TimeRange</div> |
| <dl> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>timeRange</dd> |
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| <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><byte[]> <a href="../../../../../src-html/org/apache/hadoop/hbase/client/Get.html#line.357">familySet</a>()</pre> |
| <div class="block">Method for retrieving the keys in the familyMap</div> |
| <dl> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>keys in the current familyMap</dd> |
| </dl> |
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| <pre>public int <a href="../../../../../src-html/org/apache/hadoop/hbase/client/Get.html#line.365">numFamilies</a>()</pre> |
| <div class="block">Method for retrieving the number of families to get from</div> |
| <dl> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>number of families</dd> |
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| <pre>public boolean <a href="../../../../../src-html/org/apache/hadoop/hbase/client/Get.html#line.373">hasFamilies</a>()</pre> |
| <div class="block">Method for checking if any families have been inserted into this Get</div> |
| <dl> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>true if familyMap is non empty false otherwise</dd> |
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| <h4>getFamilyMap</h4> |
| <pre>public <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><byte[],<a href="https://docs.oracle.com/javase/8/docs/api/java/util/NavigableSet.html?is-external=true" title="class or interface in java.util">NavigableSet</a><byte[]>> <a href="../../../../../src-html/org/apache/hadoop/hbase/client/Get.html#line.381">getFamilyMap</a>()</pre> |
| <div class="block">Method for retrieving the get's familyMap</div> |
| <dl> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>familyMap</dd> |
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| </ul> |
| <a name="getFingerprint--"> |
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| <h4>getFingerprint</h4> |
| <pre>public <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>> <a href="../../../../../src-html/org/apache/hadoop/hbase/client/Get.html#line.392">getFingerprint</a>()</pre> |
| <div class="block">Compile the table and column family (i.e. schema) information |
| into a String. Useful for parsing and aggregation by debugging, |
| logging, and administration tools.</div> |
| <dl> |
| <dt><span class="overrideSpecifyLabel">Specified by:</span></dt> |
| <dd><code><a href="../../../../../org/apache/hadoop/hbase/client/Operation.html#getFingerprint--">getFingerprint</a></code> in class <code><a href="../../../../../org/apache/hadoop/hbase/client/Operation.html" title="class in org.apache.hadoop.hbase.client">Operation</a></code></dd> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>Map</dd> |
| </dl> |
| </li> |
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| <a name="toMap-int-"> |
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| <h4>toMap</h4> |
| <pre>public <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>> <a href="../../../../../src-html/org/apache/hadoop/hbase/client/Get.html#line.411">toMap</a>(int maxCols)</pre> |
| <div class="block">Compile the details beyond the scope of getFingerprint (row, columns, |
| timestamps, etc.) into a Map along with the fingerprinted information. |
| Useful for debugging, logging, and administration tools.</div> |
| <dl> |
| <dt><span class="overrideSpecifyLabel">Specified by:</span></dt> |
| <dd><code><a href="../../../../../org/apache/hadoop/hbase/client/Operation.html#toMap-int-">toMap</a></code> in class <code><a href="../../../../../org/apache/hadoop/hbase/client/Operation.html" title="class in org.apache.hadoop.hbase.client">Operation</a></code></dd> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>maxCols</code> - a limit on the number of columns output prior to truncation</dd> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>Map</dd> |
| </dl> |
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| <pre>public int <a href="../../../../../src-html/org/apache/hadoop/hbase/client/Get.html#line.461">hashCode</a>()</pre> |
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| <dd><code><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></code> in class <code><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></code></dd> |
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| <dl> |
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| <dd><code><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></code> in class <code><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></code></dd> |
| </dl> |
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| <h4>setAttribute</h4> |
| <pre>public <a href="../../../../../org/apache/hadoop/hbase/client/Get.html" title="class in org.apache.hadoop.hbase.client">Get</a> <a href="../../../../../src-html/org/apache/hadoop/hbase/client/Get.html#line.481">setAttribute</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> name, |
| byte[] value)</pre> |
| <div class="block"><span class="descfrmTypeLabel">Description copied from interface: <code><a href="../../../../../org/apache/hadoop/hbase/client/Attributes.html#setAttribute-java.lang.String-byte:A-">Attributes</a></code></span></div> |
| <div class="block">Sets an attribute. |
| In case value = null attribute is removed from the attributes map. |
| Attribute names starting with _ indicate system attributes.</div> |
| <dl> |
| <dt><span class="overrideSpecifyLabel">Specified by:</span></dt> |
| <dd><code><a href="../../../../../org/apache/hadoop/hbase/client/Attributes.html#setAttribute-java.lang.String-byte:A-">setAttribute</a></code> in interface <code><a href="../../../../../org/apache/hadoop/hbase/client/Attributes.html" title="interface in org.apache.hadoop.hbase.client">Attributes</a></code></dd> |
| <dt><span class="overrideSpecifyLabel">Overrides:</span></dt> |
| <dd><code><a href="../../../../../org/apache/hadoop/hbase/client/OperationWithAttributes.html#setAttribute-java.lang.String-byte:A-">setAttribute</a></code> in class <code><a href="../../../../../org/apache/hadoop/hbase/client/OperationWithAttributes.html" title="class in org.apache.hadoop.hbase.client">OperationWithAttributes</a></code></dd> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>name</code> - attribute name</dd> |
| <dd><code>value</code> - attribute value</dd> |
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| <h4>setId</h4> |
| <pre>public <a href="../../../../../org/apache/hadoop/hbase/client/Get.html" title="class in org.apache.hadoop.hbase.client">Get</a> <a href="../../../../../src-html/org/apache/hadoop/hbase/client/Get.html#line.486">setId</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> id)</pre> |
| <div class="block"><span class="descfrmTypeLabel">Description copied from class: <code><a href="../../../../../org/apache/hadoop/hbase/client/OperationWithAttributes.html#setId-java.lang.String-">OperationWithAttributes</a></code></span></div> |
| <div class="block">This method allows you to set an identifier on an operation. The original |
| motivation for this was to allow the identifier to be used in slow query |
| logging, but this could obviously be useful in other places. One use of |
| this could be to put a class.method identifier in here to see where the |
| slow query is coming from.</div> |
| <dl> |
| <dt><span class="overrideSpecifyLabel">Overrides:</span></dt> |
| <dd><code><a href="../../../../../org/apache/hadoop/hbase/client/OperationWithAttributes.html#setId-java.lang.String-">setId</a></code> in class <code><a href="../../../../../org/apache/hadoop/hbase/client/OperationWithAttributes.html" title="class in org.apache.hadoop.hbase.client">OperationWithAttributes</a></code></dd> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>id</code> - id to set for the scan</dd> |
| </dl> |
| </li> |
| </ul> |
| <a name="setAuthorizations-org.apache.hadoop.hbase.security.visibility.Authorizations-"> |
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| <h4>setAuthorizations</h4> |
| <pre>public <a href="../../../../../org/apache/hadoop/hbase/client/Get.html" title="class in org.apache.hadoop.hbase.client">Get</a> <a href="../../../../../src-html/org/apache/hadoop/hbase/client/Get.html#line.491">setAuthorizations</a>(org.apache.hadoop.hbase.security.visibility.Authorizations authorizations)</pre> |
| <div class="block"><span class="descfrmTypeLabel">Description copied from class: <code><a href="../../../../../org/apache/hadoop/hbase/client/Query.html#setAuthorizations-org.apache.hadoop.hbase.security.visibility.Authorizations-">Query</a></code></span></div> |
| <div class="block">Sets the authorizations to be used by this Query</div> |
| <dl> |
| <dt><span class="overrideSpecifyLabel">Overrides:</span></dt> |
| <dd><code><a href="../../../../../org/apache/hadoop/hbase/client/Query.html#setAuthorizations-org.apache.hadoop.hbase.security.visibility.Authorizations-">setAuthorizations</a></code> in class <code><a href="../../../../../org/apache/hadoop/hbase/client/Query.html" title="class in org.apache.hadoop.hbase.client">Query</a></code></dd> |
| </dl> |
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| <h4>setACL</h4> |
| <pre>public <a href="../../../../../org/apache/hadoop/hbase/client/Get.html" title="class in org.apache.hadoop.hbase.client">Get</a> <a href="../../../../../src-html/org/apache/hadoop/hbase/client/Get.html#line.496">setACL</a>(<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>,org.apache.hadoop.hbase.security.access.Permission> perms)</pre> |
| <dl> |
| <dt><span class="overrideSpecifyLabel">Overrides:</span></dt> |
| <dd><code><a href="../../../../../org/apache/hadoop/hbase/client/Query.html#setACL-java.util.Map-">setACL</a></code> in class <code><a href="../../../../../org/apache/hadoop/hbase/client/Query.html" title="class in org.apache.hadoop.hbase.client">Query</a></code></dd> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>perms</code> - A map of permissions for a user or users</dd> |
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| <h4>setACL</h4> |
| <pre>public <a href="../../../../../org/apache/hadoop/hbase/client/Get.html" title="class in org.apache.hadoop.hbase.client">Get</a> <a href="../../../../../src-html/org/apache/hadoop/hbase/client/Get.html#line.501">setACL</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> user, |
| org.apache.hadoop.hbase.security.access.Permission perms)</pre> |
| <dl> |
| <dt><span class="overrideSpecifyLabel">Overrides:</span></dt> |
| <dd><code><a href="../../../../../org/apache/hadoop/hbase/client/Query.html#setACL-java.lang.String-org.apache.hadoop.hbase.security.access.Permission-">setACL</a></code> in class <code><a href="../../../../../org/apache/hadoop/hbase/client/Query.html" title="class in org.apache.hadoop.hbase.client">Query</a></code></dd> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>user</code> - User short name</dd> |
| <dd><code>perms</code> - Permissions for the user</dd> |
| </dl> |
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| <a name="setConsistency-org.apache.hadoop.hbase.client.Consistency-"> |
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| <h4>setConsistency</h4> |
| <pre>public <a href="../../../../../org/apache/hadoop/hbase/client/Get.html" title="class in org.apache.hadoop.hbase.client">Get</a> <a href="../../../../../src-html/org/apache/hadoop/hbase/client/Get.html#line.506">setConsistency</a>(<a href="../../../../../org/apache/hadoop/hbase/client/Consistency.html" title="enum in org.apache.hadoop.hbase.client">Consistency</a> consistency)</pre> |
| <div class="block"><span class="descfrmTypeLabel">Description copied from class: <code><a href="../../../../../org/apache/hadoop/hbase/client/Query.html#setConsistency-org.apache.hadoop.hbase.client.Consistency-">Query</a></code></span></div> |
| <div class="block">Sets the consistency level for this operation</div> |
| <dl> |
| <dt><span class="overrideSpecifyLabel">Overrides:</span></dt> |
| <dd><code><a href="../../../../../org/apache/hadoop/hbase/client/Query.html#setConsistency-org.apache.hadoop.hbase.client.Consistency-">setConsistency</a></code> in class <code><a href="../../../../../org/apache/hadoop/hbase/client/Query.html" title="class in org.apache.hadoop.hbase.client">Query</a></code></dd> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>consistency</code> - the consistency level</dd> |
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| <pre>public <a href="../../../../../org/apache/hadoop/hbase/client/Get.html" title="class in org.apache.hadoop.hbase.client">Get</a> <a href="../../../../../src-html/org/apache/hadoop/hbase/client/Get.html#line.511">setReplicaId</a>(int Id)</pre> |
| <div class="block"><span class="descfrmTypeLabel">Description copied from class: <code><a href="../../../../../org/apache/hadoop/hbase/client/Query.html#setReplicaId-int-">Query</a></code></span></div> |
| <div class="block">Specify region replica id where Query will fetch data from. Use this together with |
| <a href="../../../../../org/apache/hadoop/hbase/client/Query.html#setConsistency-org.apache.hadoop.hbase.client.Consistency-"><code>Query.setConsistency(Consistency)</code></a> passing <a href="../../../../../org/apache/hadoop/hbase/client/Consistency.html#TIMELINE"><code>Consistency.TIMELINE</code></a> to read data from |
| a specific replicaId. |
| <br><b> Expert: </b>This is an advanced API exposed. Only use it if you know what you are doing</div> |
| <dl> |
| <dt><span class="overrideSpecifyLabel">Overrides:</span></dt> |
| <dd><code><a href="../../../../../org/apache/hadoop/hbase/client/Query.html#setReplicaId-int-">setReplicaId</a></code> in class <code><a href="../../../../../org/apache/hadoop/hbase/client/Query.html" title="class in org.apache.hadoop.hbase.client">Query</a></code></dd> |
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| <h4>setIsolationLevel</h4> |
| <pre>public <a href="../../../../../org/apache/hadoop/hbase/client/Get.html" title="class in org.apache.hadoop.hbase.client">Get</a> <a href="../../../../../src-html/org/apache/hadoop/hbase/client/Get.html#line.516">setIsolationLevel</a>(<a href="../../../../../org/apache/hadoop/hbase/client/IsolationLevel.html" title="enum in org.apache.hadoop.hbase.client">IsolationLevel</a> level)</pre> |
| <div class="block"><span class="descfrmTypeLabel">Description copied from class: <code><a href="../../../../../org/apache/hadoop/hbase/client/Query.html#setIsolationLevel-org.apache.hadoop.hbase.client.IsolationLevel-">Query</a></code></span></div> |
| <div class="block">Set the isolation level for this query. If the |
| isolation level is set to READ_UNCOMMITTED, then |
| this query will return data from committed and |
| uncommitted transactions. If the isolation level |
| is set to READ_COMMITTED, then this query will return |
| data from committed transactions only. If a isolation |
| level is not explicitly set on a Query, then it |
| is assumed to be READ_COMMITTED.</div> |
| <dl> |
| <dt><span class="overrideSpecifyLabel">Overrides:</span></dt> |
| <dd><code><a href="../../../../../org/apache/hadoop/hbase/client/Query.html#setIsolationLevel-org.apache.hadoop.hbase.client.IsolationLevel-">setIsolationLevel</a></code> in class <code><a href="../../../../../org/apache/hadoop/hbase/client/Query.html" title="class in org.apache.hadoop.hbase.client">Query</a></code></dd> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>level</code> - IsolationLevel for this query</dd> |
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| <h4>setPriority</h4> |
| <pre>public <a href="../../../../../org/apache/hadoop/hbase/client/Get.html" title="class in org.apache.hadoop.hbase.client">Get</a> <a href="../../../../../src-html/org/apache/hadoop/hbase/client/Get.html#line.521">setPriority</a>(int priority)</pre> |
| <dl> |
| <dt><span class="overrideSpecifyLabel">Overrides:</span></dt> |
| <dd><code><a href="../../../../../org/apache/hadoop/hbase/client/OperationWithAttributes.html#setPriority-int-">setPriority</a></code> in class <code><a href="../../../../../org/apache/hadoop/hbase/client/OperationWithAttributes.html" title="class in org.apache.hadoop.hbase.client">OperationWithAttributes</a></code></dd> |
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