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<div class="subTitle">org.apache.storm.kafka</div>
<h2 title="Class ExponentialBackoffMsgRetryManager" class="title">Class ExponentialBackoffMsgRetryManager</h2>
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<pre>public class <span class="typeNameLabel">ExponentialBackoffMsgRetryManager</span>
extends <a href="http://docs.oracle.com/javase/7/docs/api/java/lang/Object.html?is-external=true" title="class or interface in java.lang">Object</a>
implements <a href="../../../../org/apache/storm/kafka/FailedMsgRetryManager.html" title="interface in org.apache.storm.kafka">FailedMsgRetryManager</a></pre>
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<td class="colOne"><code><span class="memberNameLink"><a href="../../../../org/apache/storm/kafka/ExponentialBackoffMsgRetryManager.html#ExponentialBackoffMsgRetryManager--">ExponentialBackoffMsgRetryManager</a></span>()</code>&nbsp;</td>
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<th class="colFirst" scope="col">Modifier and Type</th>
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<td class="colFirst"><code>void</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/storm/kafka/ExponentialBackoffMsgRetryManager.html#acked-java.lang.Long-">acked</a></span>(<a href="http://docs.oracle.com/javase/7/docs/api/java/lang/Long.html?is-external=true" title="class or interface in java.lang">Long</a>&nbsp;offset)</code>
<div class="block">Message corresponding to the offset, was acked to kafka spout.</div>
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<tr id="i1" class="rowColor">
<td class="colFirst"><code><a href="http://docs.oracle.com/javase/7/docs/api/java/util/Set.html?is-external=true" title="class or interface in java.util">Set</a>&lt;<a href="http://docs.oracle.com/javase/7/docs/api/java/lang/Long.html?is-external=true" title="class or interface in java.lang">Long</a>&gt;</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/storm/kafka/ExponentialBackoffMsgRetryManager.html#clearOffsetsBefore-java.lang.Long-">clearOffsetsBefore</a></span>(<a href="http://docs.oracle.com/javase/7/docs/api/java/lang/Long.html?is-external=true" title="class or interface in java.lang">Long</a>&nbsp;kafkaOffset)</code>
<div class="block">Clear any offsets before kafkaOffset.</div>
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<tr id="i2" class="altColor">
<td class="colFirst"><code>void</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/storm/kafka/ExponentialBackoffMsgRetryManager.html#failed-java.lang.Long-">failed</a></span>(<a href="http://docs.oracle.com/javase/7/docs/api/java/lang/Long.html?is-external=true" title="class or interface in java.lang">Long</a>&nbsp;offset)</code>
<div class="block">Message corresponding to the offset failed in kafka spout.</div>
</td>
</tr>
<tr id="i3" class="rowColor">
<td class="colFirst"><code><a href="http://docs.oracle.com/javase/7/docs/api/java/lang/Long.html?is-external=true" title="class or interface in java.lang">Long</a></code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/storm/kafka/ExponentialBackoffMsgRetryManager.html#nextFailedMessageToRetry--">nextFailedMessageToRetry</a></span>()</code>
<div class="block">The offset of message, which is to be re-emitted.</div>
</td>
</tr>
<tr id="i4" class="altColor">
<td class="colFirst"><code>void</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/storm/kafka/ExponentialBackoffMsgRetryManager.html#prepare-org.apache.storm.kafka.SpoutConfig-java.util.Map-">prepare</a></span>(<a href="../../../../org/apache/storm/kafka/SpoutConfig.html" title="class in org.apache.storm.kafka">SpoutConfig</a>&nbsp;spoutConfig,
<a href="http://docs.oracle.com/javase/7/docs/api/java/util/Map.html?is-external=true" title="class or interface in java.util">Map</a>&nbsp;stormConf)</code>
<div class="block">Initialization</div>
</td>
</tr>
<tr id="i5" class="rowColor">
<td class="colFirst"><code>boolean</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/storm/kafka/ExponentialBackoffMsgRetryManager.html#retryFurther-java.lang.Long-">retryFurther</a></span>(<a href="http://docs.oracle.com/javase/7/docs/api/java/lang/Long.html?is-external=true" title="class or interface in java.lang">Long</a>&nbsp;offset)</code>
<div class="block">Spout will clean up the state for this offset if false is returned.</div>
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<tr id="i6" class="altColor">
<td class="colFirst"><code>void</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/storm/kafka/ExponentialBackoffMsgRetryManager.html#retryStarted-java.lang.Long-">retryStarted</a></span>(<a href="http://docs.oracle.com/javase/7/docs/api/java/lang/Long.html?is-external=true" title="class or interface in java.lang">Long</a>&nbsp;offset)</code>
<div class="block">Message corresponding to the offset, has been re-emitted and under transit.</div>
</td>
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<tr id="i7" class="rowColor">
<td class="colFirst"><code>boolean</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/storm/kafka/ExponentialBackoffMsgRetryManager.html#shouldReEmitMsg-java.lang.Long-">shouldReEmitMsg</a></span>(<a href="http://docs.oracle.com/javase/7/docs/api/java/lang/Long.html?is-external=true" title="class or interface in java.lang">Long</a>&nbsp;offset)</code>&nbsp;</td>
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<h4>ExponentialBackoffMsgRetryManager</h4>
<pre>public&nbsp;ExponentialBackoffMsgRetryManager()</pre>
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<a name="prepare-org.apache.storm.kafka.SpoutConfig-java.util.Map-">
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<h4>prepare</h4>
<pre>public&nbsp;void&nbsp;prepare(<a href="../../../../org/apache/storm/kafka/SpoutConfig.html" title="class in org.apache.storm.kafka">SpoutConfig</a>&nbsp;spoutConfig,
<a href="http://docs.oracle.com/javase/7/docs/api/java/util/Map.html?is-external=true" title="class or interface in java.util">Map</a>&nbsp;stormConf)</pre>
<div class="block"><span class="descfrmTypeLabel">Description copied from interface:&nbsp;<code><a href="../../../../org/apache/storm/kafka/FailedMsgRetryManager.html#prepare-org.apache.storm.kafka.SpoutConfig-java.util.Map-">FailedMsgRetryManager</a></code></span></div>
<div class="block"><p>Initialization</p></div>
<dl>
<dt><span class="overrideSpecifyLabel">Specified by:</span></dt>
<dd><code><a href="../../../../org/apache/storm/kafka/FailedMsgRetryManager.html#prepare-org.apache.storm.kafka.SpoutConfig-java.util.Map-">prepare</a></code>&nbsp;in interface&nbsp;<code><a href="../../../../org/apache/storm/kafka/FailedMsgRetryManager.html" title="interface in org.apache.storm.kafka">FailedMsgRetryManager</a></code></dd>
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<h4>failed</h4>
<pre>public&nbsp;void&nbsp;failed(<a href="http://docs.oracle.com/javase/7/docs/api/java/lang/Long.html?is-external=true" title="class or interface in java.lang">Long</a>&nbsp;offset)</pre>
<div class="block"><span class="descfrmTypeLabel">Description copied from interface:&nbsp;<code><a href="../../../../org/apache/storm/kafka/FailedMsgRetryManager.html#failed-java.lang.Long-">FailedMsgRetryManager</a></code></span></div>
<div class="block"><p>Message corresponding to the offset failed in kafka spout.</p></div>
<dl>
<dt><span class="overrideSpecifyLabel">Specified by:</span></dt>
<dd><code><a href="../../../../org/apache/storm/kafka/FailedMsgRetryManager.html#failed-java.lang.Long-">failed</a></code>&nbsp;in interface&nbsp;<code><a href="../../../../org/apache/storm/kafka/FailedMsgRetryManager.html" title="interface in org.apache.storm.kafka">FailedMsgRetryManager</a></code></dd>
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<h4>acked</h4>
<pre>public&nbsp;void&nbsp;acked(<a href="http://docs.oracle.com/javase/7/docs/api/java/lang/Long.html?is-external=true" title="class or interface in java.lang">Long</a>&nbsp;offset)</pre>
<div class="block"><span class="descfrmTypeLabel">Description copied from interface:&nbsp;<code><a href="../../../../org/apache/storm/kafka/FailedMsgRetryManager.html#acked-java.lang.Long-">FailedMsgRetryManager</a></code></span></div>
<div class="block"><p>Message corresponding to the offset, was acked to kafka spout.</p></div>
<dl>
<dt><span class="overrideSpecifyLabel">Specified by:</span></dt>
<dd><code><a href="../../../../org/apache/storm/kafka/FailedMsgRetryManager.html#acked-java.lang.Long-">acked</a></code>&nbsp;in interface&nbsp;<code><a href="../../../../org/apache/storm/kafka/FailedMsgRetryManager.html" title="interface in org.apache.storm.kafka">FailedMsgRetryManager</a></code></dd>
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<h4>retryStarted</h4>
<pre>public&nbsp;void&nbsp;retryStarted(<a href="http://docs.oracle.com/javase/7/docs/api/java/lang/Long.html?is-external=true" title="class or interface in java.lang">Long</a>&nbsp;offset)</pre>
<div class="block"><span class="descfrmTypeLabel">Description copied from interface:&nbsp;<code><a href="../../../../org/apache/storm/kafka/FailedMsgRetryManager.html#retryStarted-java.lang.Long-">FailedMsgRetryManager</a></code></span></div>
<div class="block"><p>Message corresponding to the offset, has been re-emitted and under transit.</p></div>
<dl>
<dt><span class="overrideSpecifyLabel">Specified by:</span></dt>
<dd><code><a href="../../../../org/apache/storm/kafka/FailedMsgRetryManager.html#retryStarted-java.lang.Long-">retryStarted</a></code>&nbsp;in interface&nbsp;<code><a href="../../../../org/apache/storm/kafka/FailedMsgRetryManager.html" title="interface in org.apache.storm.kafka">FailedMsgRetryManager</a></code></dd>
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<h4>nextFailedMessageToRetry</h4>
<pre>public&nbsp;<a href="http://docs.oracle.com/javase/7/docs/api/java/lang/Long.html?is-external=true" title="class or interface in java.lang">Long</a>&nbsp;nextFailedMessageToRetry()</pre>
<div class="block"><span class="descfrmTypeLabel">Description copied from interface:&nbsp;<code><a href="../../../../org/apache/storm/kafka/FailedMsgRetryManager.html#nextFailedMessageToRetry--">FailedMsgRetryManager</a></code></span></div>
<div class="block"><p>The offset of message, which is to be re-emitted. Spout will fetch messages starting from this offset and resend them, except completed messages.</p></div>
<dl>
<dt><span class="overrideSpecifyLabel">Specified by:</span></dt>
<dd><code><a href="../../../../org/apache/storm/kafka/FailedMsgRetryManager.html#nextFailedMessageToRetry--">nextFailedMessageToRetry</a></code>&nbsp;in interface&nbsp;<code><a href="../../../../org/apache/storm/kafka/FailedMsgRetryManager.html" title="interface in org.apache.storm.kafka">FailedMsgRetryManager</a></code></dd>
<dt><span class="returnLabel">Returns:</span></dt>
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<a name="shouldReEmitMsg-java.lang.Long-">
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<h4>shouldReEmitMsg</h4>
<pre>public&nbsp;boolean&nbsp;shouldReEmitMsg(<a href="http://docs.oracle.com/javase/7/docs/api/java/lang/Long.html?is-external=true" title="class or interface in java.lang">Long</a>&nbsp;offset)</pre>
<dl>
<dt><span class="overrideSpecifyLabel">Specified by:</span></dt>
<dd><code><a href="../../../../org/apache/storm/kafka/FailedMsgRetryManager.html#shouldReEmitMsg-java.lang.Long-">shouldReEmitMsg</a></code>&nbsp;in interface&nbsp;<code><a href="../../../../org/apache/storm/kafka/FailedMsgRetryManager.html" title="interface in org.apache.storm.kafka">FailedMsgRetryManager</a></code></dd>
<dt><span class="returnLabel">Returns:</span></dt>
<dd>True if the message corresponding to the offset should be emitted NOW. False otherwise.</dd>
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<h4>retryFurther</h4>
<pre>public&nbsp;boolean&nbsp;retryFurther(<a href="http://docs.oracle.com/javase/7/docs/api/java/lang/Long.html?is-external=true" title="class or interface in java.lang">Long</a>&nbsp;offset)</pre>
<div class="block"><span class="descfrmTypeLabel">Description copied from interface:&nbsp;<code><a href="../../../../org/apache/storm/kafka/FailedMsgRetryManager.html#retryFurther-java.lang.Long-">FailedMsgRetryManager</a></code></span></div>
<div class="block"><p>Spout will clean up the state for this offset if false is returned.</p></div>
<dl>
<dt><span class="overrideSpecifyLabel">Specified by:</span></dt>
<dd><code><a href="../../../../org/apache/storm/kafka/FailedMsgRetryManager.html#retryFurther-java.lang.Long-">retryFurther</a></code>&nbsp;in interface&nbsp;<code><a href="../../../../org/apache/storm/kafka/FailedMsgRetryManager.html" title="interface in org.apache.storm.kafka">FailedMsgRetryManager</a></code></dd>
<dt><span class="returnLabel">Returns:</span></dt>
<dd>True if the message will be retried again. False otherwise.</dd>
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<h4>clearOffsetsBefore</h4>
<pre>public&nbsp;<a href="http://docs.oracle.com/javase/7/docs/api/java/util/Set.html?is-external=true" title="class or interface in java.util">Set</a>&lt;<a href="http://docs.oracle.com/javase/7/docs/api/java/lang/Long.html?is-external=true" title="class or interface in java.lang">Long</a>&gt;&nbsp;clearOffsetsBefore(<a href="http://docs.oracle.com/javase/7/docs/api/java/lang/Long.html?is-external=true" title="class or interface in java.lang">Long</a>&nbsp;kafkaOffset)</pre>
<div class="block"><span class="descfrmTypeLabel">Description copied from interface:&nbsp;<code><a href="../../../../org/apache/storm/kafka/FailedMsgRetryManager.html#clearOffsetsBefore-java.lang.Long-">FailedMsgRetryManager</a></code></span></div>
<div class="block"><p>Clear any offsets before kafkaOffset. These offsets are no longer available in kafka.</p></div>
<dl>
<dt><span class="overrideSpecifyLabel">Specified by:</span></dt>
<dd><code><a href="../../../../org/apache/storm/kafka/FailedMsgRetryManager.html#clearOffsetsBefore-java.lang.Long-">clearOffsetsBefore</a></code>&nbsp;in interface&nbsp;<code><a href="../../../../org/apache/storm/kafka/FailedMsgRetryManager.html" title="interface in org.apache.storm.kafka">FailedMsgRetryManager</a></code></dd>
<dt><span class="returnLabel">Returns:</span></dt>
<dd>Set of offsets removed.</dd>
</dl>
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