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<div class="subTitle">org.apache.kudu.flume.sink</div>
<h2 title="Class RegexpKuduOperationsProducer" class="title">Class RegexpKuduOperationsProducer</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>
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<ul class="inheritance">
<li>org.apache.kudu.flume.sink.RegexpKuduOperationsProducer</li>
</ul>
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<dl>
<dt>All Implemented Interfaces:</dt>
<dd><a href="https://docs.oracle.com/javase/8/docs/api/java/lang/AutoCloseable.html?is-external=true" title="class or interface in java.lang">AutoCloseable</a>, org.apache.flume.conf.Configurable, <a href="../../../../../org/apache/kudu/flume/sink/KuduOperationsProducer.html" title="interface in org.apache.kudu.flume.sink">KuduOperationsProducer</a></dd>
</dl>
<hr>
<br>
<pre>@InterfaceAudience.Public
@InterfaceStability.Evolving
public class <span class="typeNameLabel">RegexpKuduOperationsProducer</span>
extends <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true" title="class or interface in java.lang">Object</a>
implements <a href="../../../../../org/apache/kudu/flume/sink/KuduOperationsProducer.html" title="interface in org.apache.kudu.flume.sink">KuduOperationsProducer</a></pre>
<div class="block">A regular expression operations producer that generates one or more Kudu
<a href="../../../../../org/apache/kudu/client/Insert.html" title="class in org.apache.kudu.client"><code>Insert</code></a> or <a href="../../../../../org/apache/kudu/client/Upsert.html" title="class in org.apache.kudu.client"><code>Upsert</code></a> operations per Flume <code>Event</code> by
parsing the event <code>body</code> using a regular expression. Values are
coerced to the types of the named columns in the Kudu table.
<p>Example: If the Kudu table has the schema:
<pre>
key INT32
name STRING</pre>
<p>and <code>producer.pattern = (?&lt;key&gt;\\d+),(?&lt;name&gt;\\w+)</code> then
<code>RegexpKuduOperationsProducer</code> will parse the string:
<pre>|12345,Mike||54321,Todd|</pre>
into the rows: <code>(key=12345, name=Mike)</code> and <code>(key=54321, name=Todd)</code>.
<p>Note: This class relies on JDK7 named capturing groups, which are
documented in <a href="https://docs.oracle.com/javase/8/docs/api/java/util/regex/Pattern.html?is-external=true" title="class or interface in java.util.regex"><code>Pattern</code></a>. The name of each capturing group must
correspond to a column name in the destination Kudu table.
<p><strong><code>RegexpKuduOperationsProducer</code> Flume Configuration Parameters</strong></p>
<table cellpadding=3 cellspacing=0 border=1 summary="Flume Configuration Parameters">
<tr>
<th>Property Name</th>
<th>Default</th>
<th>Required?</th>
<th>Description</th>
</tr>
<tr>
<td>producer.pattern</td>
<td></td>
<td>Yes</td>
<td>The regular expression used to parse the event body.</td>
</tr>
<tr>
<td>producer.charset</td>
<td>utf-8</td>
<td>No</td>
<td>The character set of the event body.</td>
</tr>
<tr>
<td>producer.operation</td>
<td>upsert</td>
<td>No</td>
<td>Operation type used to write the event to Kudu. Must be either
<code>insert</code> or <code>upsert</code>.</td>
</tr>
<tr>
<td>producer.skipMissingColumn</td>
<td>false</td>
<td>No</td>
<td>
<b>@deprecated</b><br/> use <code>producer.missingColumnPolicy</code>
What to do if a column in the Kudu table has no corresponding capture group.
If set to <code>true</code>, a warning message is logged and the operation is still attempted.
If set to <code>false</code>, an exception is thrown and the sink will not process the
<code>Event</code>, causing a Flume <code>Channel</code> rollback.
</tr>
<tr>
<td>producer.skipBadColumnValue</td>
<td>false</td>
<td>No</td>
<td>
<b>@deprecated</b><br/> use <code>producer.badColumnValuePolicy</code>
What to do if a value in the pattern match cannot be coerced to the required type.
If set to <code>true</code>, a warning message is logged and the operation is still attempted.
If set to <code>false</code>, an exception is thrown and the sink will not process the
<code>Event</code>, causing a Flume <code>Channel</code> rollback.
</tr>
<tr>
<td>producer.warnUnmatchedRows</td>
<td>true</td>
<td>No</td>
<td>
<b>@deprecated</b><br/> use <code>producer.unmatchedRowPolicy</code>
Whether to log a warning about payloads that do not match the pattern. If set to
<code>false</code>, event bodies with no matches will be silently dropped.</td>
</tr>
<tr>
<td>producer.missingColumnPolicy</td>
<td>REJECT</td>
<td>No</td>
<td>What to do if a column in the Kudu table has no corresponding capture group.<br/>
If set to <code>REJECT</code>, an exception is thrown and the sink will not process the
<code>Event</code>, causing a Flume <code>Channel</code> rollback.<br/>
If set to <code>WARN</code>, a warning message is logged and the operation is still produced.<br/>
If set to <code>IGNORE</code>, the operation is still produced without any log message.
</tr>
<tr>
<td>producer.badColumnValuePolicy</td>
<td>REJECT</td>
<td>No</td>
<td>What to do if a value in the pattern match cannot be coerced to the required type.<br/>
If set to <code>REJECT</code>, an exception is thrown and the sink will not process the
<code>Event</code>, causing a Flume <code>Channel</code> rollback.<br/>
If set to <code>WARN</code>, a warning message is logged and the operation is still produced,
but does not include the given column.<br/>
If set to <code>IGNORE</code>, the operation is still produced, but does not include the given
column and does not log any message.
</tr>
<tr>
<td>producer.unmatchedRowPolicy</td>
<td>WARN</td>
<td>No</td>
<td>What to do if a payload does not match the pattern.<br/>
If set to <code>REJECT</code>, an exception is thrown and the sink will not process the
<code>Event</code>, causing a Flume <code>Channel</code> rollback.<br/>
If set to <code>WARN</code>, a warning message is logged and the row is skipped,
not producing an operation.<br/>
If set to <code>IGNORE</code>, the row is skipped without any log message.
</tr>
</table></div>
<dl>
<dt><span class="seeLabel">See Also:</span></dt>
<dd><a href="https://docs.oracle.com/javase/8/docs/api/java/util/regex/Pattern.html?is-external=true" title="class or interface in java.util.regex"><code>Pattern</code></a></dd>
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<h3>Field Summary</h3>
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<caption><span>Fields</span><span class="tabEnd">&nbsp;</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>static <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a></code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/kudu/flume/sink/RegexpKuduOperationsProducer.html#BAD_COLUMN_VALUE_POLICY_PROP">BAD_COLUMN_VALUE_POLICY_PROP</a></span></code>&nbsp;</td>
</tr>
<tr class="rowColor">
<td class="colFirst"><code>static org.apache.kudu.flume.sink.RegexpKuduOperationsProducer.ParseErrorPolicy</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/kudu/flume/sink/RegexpKuduOperationsProducer.html#DEFAULT_BAD_COLUMN_VALUE_POLICY">DEFAULT_BAD_COLUMN_VALUE_POLICY</a></span></code>&nbsp;</td>
</tr>
<tr class="altColor">
<td class="colFirst"><code>static <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a></code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/kudu/flume/sink/RegexpKuduOperationsProducer.html#DEFAULT_ENCODING">DEFAULT_ENCODING</a></span></code>&nbsp;</td>
</tr>
<tr class="rowColor">
<td class="colFirst"><code>static org.apache.kudu.flume.sink.RegexpKuduOperationsProducer.ParseErrorPolicy</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/kudu/flume/sink/RegexpKuduOperationsProducer.html#DEFAULT_MISSING_COLUMN_POLICY">DEFAULT_MISSING_COLUMN_POLICY</a></span></code>&nbsp;</td>
</tr>
<tr class="altColor">
<td class="colFirst"><code>static <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a></code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/kudu/flume/sink/RegexpKuduOperationsProducer.html#DEFAULT_OPERATION">DEFAULT_OPERATION</a></span></code>&nbsp;</td>
</tr>
<tr class="rowColor">
<td class="colFirst"><code>static boolean</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/kudu/flume/sink/RegexpKuduOperationsProducer.html#DEFAULT_SKIP_BAD_COLUMN_VALUE">DEFAULT_SKIP_BAD_COLUMN_VALUE</a></span></code>
<div class="block"><span class="deprecatedLabel">Deprecated.</span>&nbsp;</div>
</td>
</tr>
<tr class="altColor">
<td class="colFirst"><code>static boolean</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/kudu/flume/sink/RegexpKuduOperationsProducer.html#DEFAULT_SKIP_MISSING_COLUMN">DEFAULT_SKIP_MISSING_COLUMN</a></span></code>
<div class="block"><span class="deprecatedLabel">Deprecated.</span>&nbsp;</div>
</td>
</tr>
<tr class="rowColor">
<td class="colFirst"><code>static org.apache.kudu.flume.sink.RegexpKuduOperationsProducer.ParseErrorPolicy</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/kudu/flume/sink/RegexpKuduOperationsProducer.html#DEFAULT_UNMATCHED_ROW_POLICY">DEFAULT_UNMATCHED_ROW_POLICY</a></span></code>&nbsp;</td>
</tr>
<tr class="altColor">
<td class="colFirst"><code>static boolean</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/kudu/flume/sink/RegexpKuduOperationsProducer.html#DEFAULT_WARN_UNMATCHED_ROWS">DEFAULT_WARN_UNMATCHED_ROWS</a></span></code>
<div class="block"><span class="deprecatedLabel">Deprecated.</span>&nbsp;</div>
</td>
</tr>
<tr class="rowColor">
<td class="colFirst"><code>static <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a></code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/kudu/flume/sink/RegexpKuduOperationsProducer.html#ENCODING_PROP">ENCODING_PROP</a></span></code>&nbsp;</td>
</tr>
<tr class="altColor">
<td class="colFirst"><code>static <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a></code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/kudu/flume/sink/RegexpKuduOperationsProducer.html#MISSING_COLUMN_POLICY_PROP">MISSING_COLUMN_POLICY_PROP</a></span></code>&nbsp;</td>
</tr>
<tr class="rowColor">
<td class="colFirst"><code>static <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a></code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/kudu/flume/sink/RegexpKuduOperationsProducer.html#OPERATION_PROP">OPERATION_PROP</a></span></code>&nbsp;</td>
</tr>
<tr class="altColor">
<td class="colFirst"><code>static <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a></code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/kudu/flume/sink/RegexpKuduOperationsProducer.html#PATTERN_PROP">PATTERN_PROP</a></span></code>&nbsp;</td>
</tr>
<tr class="rowColor">
<td class="colFirst"><code>static <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a></code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/kudu/flume/sink/RegexpKuduOperationsProducer.html#SKIP_BAD_COLUMN_VALUE_PROP">SKIP_BAD_COLUMN_VALUE_PROP</a></span></code>
<div class="block"><span class="deprecatedLabel">Deprecated.</span>&nbsp;</div>
</td>
</tr>
<tr class="altColor">
<td class="colFirst"><code>static <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a></code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/kudu/flume/sink/RegexpKuduOperationsProducer.html#SKIP_MISSING_COLUMN_PROP">SKIP_MISSING_COLUMN_PROP</a></span></code>
<div class="block"><span class="deprecatedLabel">Deprecated.</span>&nbsp;</div>
</td>
</tr>
<tr class="rowColor">
<td class="colFirst"><code>static <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a></code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/kudu/flume/sink/RegexpKuduOperationsProducer.html#UNMATCHED_ROW_POLICY_PROP">UNMATCHED_ROW_POLICY_PROP</a></span></code>&nbsp;</td>
</tr>
<tr class="altColor">
<td class="colFirst"><code>static <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a></code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/kudu/flume/sink/RegexpKuduOperationsProducer.html#WARN_UNMATCHED_ROWS_PROP">WARN_UNMATCHED_ROWS_PROP</a></span></code>
<div class="block"><span class="deprecatedLabel">Deprecated.</span>&nbsp;</div>
</td>
</tr>
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</li>
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<td class="colOne"><code><span class="memberNameLink"><a href="../../../../../org/apache/kudu/flume/sink/RegexpKuduOperationsProducer.html#RegexpKuduOperationsProducer--">RegexpKuduOperationsProducer</a></span>()</code>&nbsp;</td>
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<caption><span id="t0" class="activeTableTab"><span>All Methods</span><span class="tabEnd">&nbsp;</span></span><span id="t2" class="tableTab"><span><a href="javascript:show(2);">Instance Methods</a></span><span class="tabEnd">&nbsp;</span></span><span id="t4" class="tableTab"><span><a href="javascript:show(8);">Concrete Methods</a></span><span class="tabEnd">&nbsp;</span></span></caption>
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<td class="colFirst"><code>void</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/kudu/flume/sink/RegexpKuduOperationsProducer.html#close--">close</a></span>()</code>
<div class="block">Cleans up any state.</div>
</td>
</tr>
<tr id="i1" class="rowColor">
<td class="colFirst"><code>void</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/kudu/flume/sink/RegexpKuduOperationsProducer.html#configure-org.apache.flume.Context-">configure</a></span>(org.apache.flume.Context&nbsp;context)</code>&nbsp;</td>
</tr>
<tr id="i2" class="altColor">
<td class="colFirst"><code><a href="https://docs.oracle.com/javase/8/docs/api/java/util/List.html?is-external=true" title="class or interface in java.util">List</a>&lt;<a href="../../../../../org/apache/kudu/client/Operation.html" title="class in org.apache.kudu.client">Operation</a>&gt;</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/kudu/flume/sink/RegexpKuduOperationsProducer.html#getOperations-org.apache.flume.Event-">getOperations</a></span>(org.apache.flume.Event&nbsp;event)</code>
<div class="block">Returns the operations that should be written to Kudu as a result of this event.</div>
</td>
</tr>
<tr id="i3" class="rowColor">
<td class="colFirst"><code>void</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/kudu/flume/sink/RegexpKuduOperationsProducer.html#initialize-org.apache.kudu.client.KuduTable-">initialize</a></span>(<a href="../../../../../org/apache/kudu/client/KuduTable.html" title="class in org.apache.kudu.client">KuduTable</a>&nbsp;table)</code>
<div class="block">Initializes the operations producer.</div>
</td>
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<h3>Methods inherited from class&nbsp;java.lang.<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true" title="class or interface in java.lang">Object</a></h3>
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<pre>public static final&nbsp;<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> PATTERN_PROP</pre>
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<pre>public static final&nbsp;<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> ENCODING_PROP</pre>
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<pre>public static final&nbsp;<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> DEFAULT_ENCODING</pre>
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<pre>public static final&nbsp;<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> OPERATION_PROP</pre>
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<pre>public static final&nbsp;<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> DEFAULT_OPERATION</pre>
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public static final&nbsp;<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> SKIP_MISSING_COLUMN_PROP</pre>
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public static final&nbsp;boolean DEFAULT_SKIP_MISSING_COLUMN</pre>
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public static final&nbsp;boolean DEFAULT_SKIP_BAD_COLUMN_VALUE</pre>
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public static final&nbsp;<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> WARN_UNMATCHED_ROWS_PROP</pre>
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public static final&nbsp;boolean DEFAULT_WARN_UNMATCHED_ROWS</pre>
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<pre>public static final&nbsp;org.apache.kudu.flume.sink.RegexpKuduOperationsProducer.ParseErrorPolicy DEFAULT_MISSING_COLUMN_POLICY</pre>
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<pre>public static final&nbsp;org.apache.kudu.flume.sink.RegexpKuduOperationsProducer.ParseErrorPolicy DEFAULT_BAD_COLUMN_VALUE_POLICY</pre>
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<pre>public static final&nbsp;org.apache.kudu.flume.sink.RegexpKuduOperationsProducer.ParseErrorPolicy DEFAULT_UNMATCHED_ROW_POLICY</pre>
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<pre>public&nbsp;RegexpKuduOperationsProducer()</pre>
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