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| <h2 title="Class LoadTestDataGenerator" class="title">Class LoadTestDataGenerator</h2> |
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| <li>org.apache.hadoop.hbase.util.test.LoadTestDataGenerator</li> |
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| <dt>Direct Known Subclasses:</dt> |
| <dd><a href="../../../../../../org/apache/hadoop/hbase/IntegrationTestLazyCfLoading.DataGenerator.html" title="class in org.apache.hadoop.hbase">IntegrationTestLazyCfLoading.DataGenerator</a>, <a href="../../../../../../org/apache/hadoop/hbase/util/MultiThreadedAction.DefaultDataGenerator.html" title="class in org.apache.hadoop.hbase.util">MultiThreadedAction.DefaultDataGenerator</a>, <a href="../../../../../../org/apache/hadoop/hbase/StripeCompactionsPerformanceEvaluation.SeqShardedDataGenerator.html" title="class in org.apache.hadoop.hbase">StripeCompactionsPerformanceEvaluation.SeqShardedDataGenerator</a></dd> |
| </dl> |
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| <br> |
| <pre>@InterfaceAudience.Private |
| public abstract class <a href="../../../../../../src-html/org/apache/hadoop/hbase/util/test/LoadTestDataGenerator.html#line.34">LoadTestDataGenerator</a> |
| 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">A generator of random data (keys/cfs/columns/values) for load testing. |
| Contains LoadTestKVGenerator as a matter of convenience...</div> |
| </li> |
| </ul> |
| </div> |
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| <caption><span>Fields</span><span class="tabEnd"> </span></caption> |
| <tr> |
| <th class="colFirst" scope="col">Modifier and Type</th> |
| <th class="colLast" scope="col">Field and Description</th> |
| </tr> |
| <tr class="altColor"> |
| <td class="colFirst"><code>protected <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/hadoop/hbase/util/test/LoadTestDataGenerator.html#args">args</a></span></code> </td> |
| </tr> |
| <tr class="rowColor"> |
| <td class="colFirst"><code>static byte[]</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/hadoop/hbase/util/test/LoadTestDataGenerator.html#INCREMENT">INCREMENT</a></span></code> </td> |
| </tr> |
| <tr class="altColor"> |
| <td class="colFirst"><code>protected <a href="../../../../../../org/apache/hadoop/hbase/util/LoadTestKVGenerator.html" title="class in org.apache.hadoop.hbase.util">LoadTestKVGenerator</a></code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/hadoop/hbase/util/test/LoadTestDataGenerator.html#kvGenerator">kvGenerator</a></span></code> </td> |
| </tr> |
| <tr class="rowColor"> |
| <td class="colFirst"><code>static byte[]</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/hadoop/hbase/util/test/LoadTestDataGenerator.html#MUTATE_INFO">MUTATE_INFO</a></span></code> </td> |
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| <th class="colOne" scope="col">Constructor and Description</th> |
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| <td class="colOne"><code><span class="memberNameLink"><a href="../../../../../../org/apache/hadoop/hbase/util/test/LoadTestDataGenerator.html#LoadTestDataGenerator--">LoadTestDataGenerator</a></span>()</code> </td> |
| </tr> |
| <tr class="rowColor"> |
| <td class="colOne"><code><span class="memberNameLink"><a href="../../../../../../org/apache/hadoop/hbase/util/test/LoadTestDataGenerator.html#LoadTestDataGenerator-int-int-">LoadTestDataGenerator</a></span>(int minValueSize, |
| int maxValueSize)</code> |
| <div class="block">Initializes the object.</div> |
| </td> |
| </tr> |
| </table> |
| </li> |
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| <h3>Method Summary</h3> |
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| <caption><span id="t0" class="activeTableTab"><span>All Methods</span><span class="tabEnd"> </span></span><span id="t1" class="tableTab"><span><a href="javascript:show(1);">Static Methods</a></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="t3" class="tableTab"><span><a href="javascript:show(4);">Abstract 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>org.apache.hadoop.hbase.client.Get</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/hadoop/hbase/util/test/LoadTestDataGenerator.html#beforeGet-long-org.apache.hadoop.hbase.client.Get-">beforeGet</a></span>(long rowkeyBase, |
| org.apache.hadoop.hbase.client.Get get)</code> |
| <div class="block">Giving a chance for the LoadTestDataGenerator to change the Get load.</div> |
| </td> |
| </tr> |
| <tr id="i1" class="rowColor"> |
| <td class="colFirst"><code>org.apache.hadoop.hbase.client.Mutation</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/hadoop/hbase/util/test/LoadTestDataGenerator.html#beforeMutate-long-org.apache.hadoop.hbase.client.Mutation-">beforeMutate</a></span>(long rowkeyBase, |
| org.apache.hadoop.hbase.client.Mutation m)</code> |
| <div class="block">Giving a chance for the LoadTestDataGenerator to change the Mutation load.</div> |
| </td> |
| </tr> |
| <tr id="i2" class="altColor"> |
| <td class="colFirst"><code>abstract byte[][]</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/hadoop/hbase/util/test/LoadTestDataGenerator.html#generateColumnsForCf-byte:A-byte:A-">generateColumnsForCf</a></span>(byte[] rowKey, |
| byte[] cf)</code> |
| <div class="block">Generates an applicable set of columns to be used for a particular key and family.</div> |
| </td> |
| </tr> |
| <tr id="i3" class="rowColor"> |
| <td class="colFirst"><code>static byte[]</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/hadoop/hbase/util/test/LoadTestDataGenerator.html#generateData-java.util.Random-int-">generateData</a></span>(<a href="https://docs.oracle.com/javase/8/docs/api/java/util/Random.html?is-external=true" title="class or interface in java.util">Random</a> r, |
| int length)</code> </td> |
| </tr> |
| <tr id="i4" class="altColor"> |
| <td class="colFirst"><code>abstract byte[]</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/hadoop/hbase/util/test/LoadTestDataGenerator.html#generateValue-byte:A-byte:A-byte:A-">generateValue</a></span>(byte[] rowKey, |
| byte[] cf, |
| byte[] column)</code> |
| <div class="block">Generates a value to be used for a particular row/cf/column.</div> |
| </td> |
| </tr> |
| <tr id="i5" class="rowColor"> |
| <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/hadoop/hbase/util/test/LoadTestDataGenerator.html#getArgs--">getArgs</a></span>()</code> </td> |
| </tr> |
| <tr id="i6" class="altColor"> |
| <td class="colFirst"><code>abstract byte[][]</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/hadoop/hbase/util/test/LoadTestDataGenerator.html#getColumnFamilies--">getColumnFamilies</a></span>()</code> |
| <div class="block">Gets column families for the load test table.</div> |
| </td> |
| </tr> |
| <tr id="i7" class="rowColor"> |
| <td class="colFirst"><code>abstract byte[]</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/hadoop/hbase/util/test/LoadTestDataGenerator.html#getDeterministicUniqueKey-long-">getDeterministicUniqueKey</a></span>(long keyBase)</code> |
| <div class="block">Generates a deterministic, unique hashed row key from a number.</div> |
| </td> |
| </tr> |
| <tr id="i8" class="altColor"> |
| <td class="colFirst"><code>void</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/hadoop/hbase/util/test/LoadTestDataGenerator.html#initialize-java.lang.String:A-">initialize</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>[] args)</code> |
| <div class="block">initialize the LoadTestDataGenerator</div> |
| </td> |
| </tr> |
| <tr id="i9" class="rowColor"> |
| <td class="colFirst"><code>abstract boolean</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/hadoop/hbase/util/test/LoadTestDataGenerator.html#verify-byte:A-byte:A-byte:A-byte:A-">verify</a></span>(byte[] rowKey, |
| byte[] cf, |
| byte[] column, |
| byte[] value)</code> |
| <div class="block">Checks that value for a rowKey/cf/column is valid if generated via |
| <a href="../../../../../../org/apache/hadoop/hbase/util/test/LoadTestDataGenerator.html#generateValue-byte:A-byte:A-byte:A-"><code>generateValue(byte[], byte[], byte[])</code></a></div> |
| </td> |
| </tr> |
| <tr id="i10" class="altColor"> |
| <td class="colFirst"><code>abstract boolean</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/hadoop/hbase/util/test/LoadTestDataGenerator.html#verify-byte:A-byte:A-java.util.Set-">verify</a></span>(byte[] rowKey, |
| byte[] cf, |
| <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[]> columnSet)</code> |
| <div class="block">Checks that columns for a rowKey and cf are valid if generated via |
| <a href="../../../../../../org/apache/hadoop/hbase/util/test/LoadTestDataGenerator.html#generateColumnsForCf-byte:A-byte:A-"><code>generateColumnsForCf(byte[], byte[])</code></a></div> |
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| <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> |
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| <li class="blockList"><a name="field.detail"> |
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| <h3>Field Detail</h3> |
| <a name="kvGenerator"> |
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| </a> |
| <ul class="blockList"> |
| <li class="blockList"> |
| <h4>kvGenerator</h4> |
| <pre>protected <a href="../../../../../../org/apache/hadoop/hbase/util/LoadTestKVGenerator.html" title="class in org.apache.hadoop.hbase.util">LoadTestKVGenerator</a> <a href="../../../../../../src-html/org/apache/hadoop/hbase/util/test/LoadTestDataGenerator.html#line.35">kvGenerator</a></pre> |
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| <pre>public static final byte[] <a href="../../../../../../src-html/org/apache/hadoop/hbase/util/test/LoadTestDataGenerator.html#line.39">MUTATE_INFO</a></pre> |
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| <pre>public static final byte[] <a href="../../../../../../src-html/org/apache/hadoop/hbase/util/test/LoadTestDataGenerator.html#line.43">INCREMENT</a></pre> |
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| <h4>args</h4> |
| <pre>protected <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="../../../../../../src-html/org/apache/hadoop/hbase/util/test/LoadTestDataGenerator.html#line.45">args</a></pre> |
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| <h3>Constructor Detail</h3> |
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| <h4>LoadTestDataGenerator</h4> |
| <pre>public <a href="../../../../../../src-html/org/apache/hadoop/hbase/util/test/LoadTestDataGenerator.html#line.47">LoadTestDataGenerator</a>()</pre> |
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| <pre>public <a href="../../../../../../src-html/org/apache/hadoop/hbase/util/test/LoadTestDataGenerator.html#line.58">LoadTestDataGenerator</a>(int minValueSize, |
| int maxValueSize)</pre> |
| <div class="block">Initializes the object.</div> |
| <dl> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>minValueSize</code> - minimum size of the value generated by |
| <a href="../../../../../../org/apache/hadoop/hbase/util/test/LoadTestDataGenerator.html#generateValue-byte:A-byte:A-byte:A-"><code>generateValue(byte[], byte[], byte[])</code></a>.</dd> |
| <dd><code>maxValueSize</code> - maximum size of the value generated by |
| <a href="../../../../../../org/apache/hadoop/hbase/util/test/LoadTestDataGenerator.html#generateValue-byte:A-byte:A-byte:A-"><code>generateValue(byte[], byte[], byte[])</code></a>.</dd> |
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| <h4>generateData</h4> |
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| int length)</pre> |
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| <h4>initialize</h4> |
| <pre>public void <a href="../../../../../../src-html/org/apache/hadoop/hbase/util/test/LoadTestDataGenerator.html#line.90">initialize</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>[] args)</pre> |
| <div class="block">initialize the LoadTestDataGenerator</div> |
| <dl> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>args</code> - init args</dd> |
| </dl> |
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| <h4>getDeterministicUniqueKey</h4> |
| <pre>public abstract byte[] <a href="../../../../../../src-html/org/apache/hadoop/hbase/util/test/LoadTestDataGenerator.html#line.99">getDeterministicUniqueKey</a>(long keyBase)</pre> |
| <div class="block">Generates a deterministic, unique hashed row key from a number. That way, the user can |
| keep track of numbers, without messing with byte array and ensuring key distribution.</div> |
| <dl> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>keyBase</code> - Base number for a key, such as a loop counter.</dd> |
| </dl> |
| </li> |
| </ul> |
| <a name="getColumnFamilies--"> |
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| <h4>getColumnFamilies</h4> |
| <pre>public abstract byte[][] <a href="../../../../../../src-html/org/apache/hadoop/hbase/util/test/LoadTestDataGenerator.html#line.105">getColumnFamilies</a>()</pre> |
| <div class="block">Gets column families for the load test table.</div> |
| <dl> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>The array of byte[]s representing column family names.</dd> |
| </dl> |
| </li> |
| </ul> |
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| <h4>generateColumnsForCf</h4> |
| <pre>public abstract byte[][] <a href="../../../../../../src-html/org/apache/hadoop/hbase/util/test/LoadTestDataGenerator.html#line.113">generateColumnsForCf</a>(byte[] rowKey, |
| byte[] cf)</pre> |
| <div class="block">Generates an applicable set of columns to be used for a particular key and family.</div> |
| <dl> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>rowKey</code> - The row key to generate for.</dd> |
| <dd><code>cf</code> - The column family name to generate for.</dd> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>The array of byte[]s representing column names.</dd> |
| </dl> |
| </li> |
| </ul> |
| <a name="generateValue-byte:A-byte:A-byte:A-"> |
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| <h4>generateValue</h4> |
| <pre>public abstract byte[] <a href="../../../../../../src-html/org/apache/hadoop/hbase/util/test/LoadTestDataGenerator.html#line.122">generateValue</a>(byte[] rowKey, |
| byte[] cf, |
| byte[] column)</pre> |
| <div class="block">Generates a value to be used for a particular row/cf/column.</div> |
| <dl> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>rowKey</code> - The row key to generate for.</dd> |
| <dd><code>cf</code> - The column family name to generate for.</dd> |
| <dd><code>column</code> - The column name to generate for.</dd> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>The value to use.</dd> |
| </dl> |
| </li> |
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| <h4>verify</h4> |
| <pre>public abstract boolean <a href="../../../../../../src-html/org/apache/hadoop/hbase/util/test/LoadTestDataGenerator.html#line.132">verify</a>(byte[] rowKey, |
| byte[] cf, |
| <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[]> columnSet)</pre> |
| <div class="block">Checks that columns for a rowKey and cf are valid if generated via |
| <a href="../../../../../../org/apache/hadoop/hbase/util/test/LoadTestDataGenerator.html#generateColumnsForCf-byte:A-byte:A-"><code>generateColumnsForCf(byte[], byte[])</code></a></div> |
| <dl> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>rowKey</code> - The row key to verify for.</dd> |
| <dd><code>cf</code> - The column family name to verify for.</dd> |
| <dd><code>columnSet</code> - The column set (for example, encountered by read).</dd> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>True iff valid.</dd> |
| </dl> |
| </li> |
| </ul> |
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| <h4>verify</h4> |
| <pre>public abstract boolean <a href="../../../../../../src-html/org/apache/hadoop/hbase/util/test/LoadTestDataGenerator.html#line.143">verify</a>(byte[] rowKey, |
| byte[] cf, |
| byte[] column, |
| byte[] value)</pre> |
| <div class="block">Checks that value for a rowKey/cf/column is valid if generated via |
| <a href="../../../../../../org/apache/hadoop/hbase/util/test/LoadTestDataGenerator.html#generateValue-byte:A-byte:A-byte:A-"><code>generateValue(byte[], byte[], byte[])</code></a></div> |
| <dl> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>rowKey</code> - The row key to verify for.</dd> |
| <dd><code>cf</code> - The column family name to verify for.</dd> |
| <dd><code>column</code> - The column name to verify for.</dd> |
| <dd><code>value</code> - The value (for example, encountered by read).</dd> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>True iff valid.</dd> |
| </dl> |
| </li> |
| </ul> |
| <a name="beforeMutate-long-org.apache.hadoop.hbase.client.Mutation-"> |
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| <h4>beforeMutate</h4> |
| <pre>public org.apache.hadoop.hbase.client.Mutation <a href="../../../../../../src-html/org/apache/hadoop/hbase/util/test/LoadTestDataGenerator.html#line.152">beforeMutate</a>(long rowkeyBase, |
| org.apache.hadoop.hbase.client.Mutation m) |
| 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">Giving a chance for the LoadTestDataGenerator to change the Mutation load.</div> |
| <dl> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>rowkeyBase</code> - </dd> |
| <dd><code>m</code> - </dd> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>updated Mutation</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> |
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| <h4>beforeGet</h4> |
| <pre>public org.apache.hadoop.hbase.client.Get <a href="../../../../../../src-html/org/apache/hadoop/hbase/util/test/LoadTestDataGenerator.html#line.163">beforeGet</a>(long rowkeyBase, |
| org.apache.hadoop.hbase.client.Get get) |
| 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">Giving a chance for the LoadTestDataGenerator to change the Get load.</div> |
| <dl> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>rowkeyBase</code> - </dd> |
| <dd><code>get</code> - </dd> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>updated Get</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> |
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| <h4>getArgs</h4> |
| <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>[] <a href="../../../../../../src-html/org/apache/hadoop/hbase/util/test/LoadTestDataGenerator.html#line.170">getArgs</a>()</pre> |
| <dl> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>the arguments passed to the generator as a list of objects.</dd> |
| </dl> |
| </li> |
| </ul> |
| </li> |
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