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+</li> +</ul> +</div> +<div class="summary"> +<ul class="blockList"> +<li class="blockList"> +<!-- ========== METHOD SUMMARY =========== --> +<ul class="blockList"> +<li class="blockList"><a name="method.summary"> +<!-- --> +</a> +<h3>Method Summary</h3> +<ul class="blockList"> +<li class="blockList"><a name="methods.inherited.from.class.org.apache.edgent.connectors.kafka.KafkaConsumer.ConsumerRecord"> +<!-- --> +</a> +<h3>Methods inherited from interface org.apache.edgent.connectors.kafka.<a href="../../../../../org/apache/edgent/connectors/kafka/KafkaConsumer.ConsumerRecord.html" title="interface in org.apache.edgent.connectors.kafka">KafkaConsumer.ConsumerRecord</a></h3> +<code><a href="../../../../../org/apache/edgent/connectors/kafka/KafkaConsumer.ConsumerRecord.html#key--">key</a>, <a href="../../../../../org/apache/edgent/connectors/kafka/KafkaConsumer.ConsumerRecord.html#offset--">offset</a>, <a href="../../../../../org/apache/edgent/connectors/kafka/KafkaConsumer.ConsumerRecord.html#partition--">partition</a>, <a href="../../../../../org/apache/edgent/connectors/kafka/KafkaConsumer.ConsumerRecord.html#topic--">topic</a>, <a href="../../../../../org/apache/edgent/connectors/kafka/KafkaConsumer.ConsumerRecord.html#value--">value</a></code></li> +</ul> +</li> +</ul> +</li> +</ul> +</div> +</div> +<!-- ========= END OF CLASS DATA ========= --> +<!-- ======= START OF BOTTOM NAVBAR ====== --> +<div class="bottomNav"><a name="navbar.bottom"> +<!-- --> +</a> +<div class="skipNav"><a href="#skip.navbar.bottom" title="Skip navigation links">Skip navigation links</a></div> +<a name="navbar.bottom.firstrow"> +<!-- --> +</a> +<ul class="navList" title="Navigation"> +<li><a href="../../../../../overview-summary.html">Overview</a></li> +<li><a href="package-summary.html">Package</a></li> +<li class="navBarCell1Rev">Class</li> +<li><a 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http://git-wip-us.apache.org/repos/asf/incubator-edgent-website/blob/85b6530d/site/javadoc/r0.4.0/org/apache/edgent/connectors/kafka/KafkaConsumer.html ---------------------------------------------------------------------- diff --git a/site/javadoc/r0.4.0/org/apache/edgent/connectors/kafka/KafkaConsumer.html b/site/javadoc/r0.4.0/org/apache/edgent/connectors/kafka/KafkaConsumer.html new file mode 100644 index 0000000..82f6362 --- /dev/null +++ b/site/javadoc/r0.4.0/org/apache/edgent/connectors/kafka/KafkaConsumer.html @@ -0,0 +1,425 @@ +<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd";> +<!-- NewPage --> +<html lang="en"> +<head> +<!-- Generated by javadoc (1.8.0_92) on Tue Jul 26 12:40:38 PDT 2016 --> +<title>KafkaConsumer (Edgent v0.4.0)</title> +<meta name="date" content="2016-07-26"> +<link rel="stylesheet" type="text/css" href="../../../../../stylesheet.css" title="Style"> +<script type="text/javascript" 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KafkaConsumer" class="title">Class KafkaConsumer</h2> +</div> +<div class="contentContainer"> +<ul class="inheritance"> +<li>java.lang.Object</li> +<li> +<ul class="inheritance"> +<li>org.apache.edgent.connectors.kafka.KafkaConsumer</li> +</ul> +</li> +</ul> +<div class="description"> +<ul class="blockList"> +<li class="blockList"> +<hr> +<br> +<pre>public class <span class="typeNameLabel">KafkaConsumer</span> +extends java.lang.Object</pre> +<div class="block"><code>KafkaConsumer</code> is a connector for creating a stream of tuples + by subscribing to Apache Kafka messaging system topics. + <p> + The connector uses and includes components from the Kafka 0.8.2.2 release. + It has been successfully tested against a kafka_2.11-0.9.0.0 server as well. + For more information about Kafka see + <a href="http://kafka.apache.org";>http://kafka.apache.org</a> + <p> + Sample use: + <pre><code> + String zookeeperConnect = "localhost:2181"; + String groupId = "myGroupId"; + String topic = "mySensorReadingsTopic"; + + Map<String,Object> config = new HashMap<>(); + config.put("zookeeper.connect", zookeeperConnect); + config.put("groupId", groupId); + + Topology t = ... + KafkaConsumer kafka = new KafkaConsumer(t, () -> config); + + // subscribe to a topic where sensor readings are published as JSON, + // creating a stream of JSON tuples + TStream<String> sensorReadingsJson = + kafka.subscribe(rec -> rec.value(), topic); + + // print the received messages + sensorReadingsJson.print(); + </code></pre></div> +</li> +</ul> +</div> +<div class="summary"> +<ul class="blockList"> +<li class="blockList"> +<!-- ======== NESTED CLASS SUMMARY ======== --> +<ul class="blockList"> +<li class="blockList"><a name="nested.class.summary"> +<!-- --> +</a> +<h3>Nested Class Summary</h3> +<table class="memberSummary" border="0" cellpadding="3" cellspacing="0" summary="Nested Class Summary table, listing nested classes, and an explanation"> +<caption><span>Nested Classes</span><span class="tabEnd"> </span></caption> +<tr> +<th class="colFirst" scope="col">Modifier and Type</th> +<th class="colLast" scope="col">Class and Description</th> +</tr> +<tr class="altColor"> +<td class="colFirst"><code>static interface </code></td> +<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/edgent/connectors/kafka/KafkaConsumer.ByteConsumerRecord.html" title="interface in org.apache.edgent.connectors.kafka">KafkaConsumer.ByteConsumerRecord</a></span></code> +<div class="block">A Kafka record with byte[] typed key and value members</div> +</td> +</tr> +<tr class="rowColor"> +<td class="colFirst"><code>static interface </code></td> +<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/edgent/connectors/kafka/KafkaConsumer.ConsumerRecord.html" title="interface in org.apache.edgent.connectors.kafka">KafkaConsumer.ConsumerRecord</a><<a 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+<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/edgent/connectors/kafka/KafkaConsumer.html#KafkaConsumer-org.apache.edgent.topology.Topology-org.apache.edgent.function.Supplier-">KafkaConsumer</a></span>(<a href="../../../../../org/apache/edgent/topology/Topology.html" title="interface in org.apache.edgent.topology">Topology</a> t, + <a href="../../../../../org/apache/edgent/function/Supplier.html" title="interface in org.apache.edgent.function">Supplier</a><java.util.Map<java.lang.String,java.lang.Object>> config)</code> +<div class="block">Create a consumer connector for subscribing to Kafka topics + and creating tuples from the received messages.</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><T> <a href="../../../../../org/apache/edgent/topology/TStream.html" title="interface in org.apache.edgent.topology">TStream</a><T></code></td> +<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/edgent/connectors/kafka/KafkaConsumer.html#subscribe-org.apache.edgent.function.Function-java.lang.String...-">subscribe</a></span>(<a href="../../../../../org/apache/edgent/function/Function.html" title="interface in org.apache.edgent.function">Function</a><<a href="../../../../../org/apache/edgent/connectors/kafka/KafkaConsumer.StringConsumerRecord.html" title="interface in org.apache.edgent.connectors.kafka">KafkaConsumer.StringConsumerRecord</a>,T> toTupleFn, + java.lang.String... topics)</code> +<div class="block">Subscribe to the specified topics and yield a stream of tuples + from the published Kafka records.</div> +</td> +</tr> +<tr id="i1" class="rowColor"> +<td class="colFirst"><code><T> <a href="../../../../../org/apache/edgent/topology/TStream.html" title="interface in org.apache.edgent.topology">TStream</a><T></code></td> +<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/edgent/connectors/kafka/KafkaConsumer.html#subscribeBytes-org.apache.edgent.function.Function-java.lang.String...-">subscribeBytes</a></span>(<a href="../../../../../org/apache/edgent/function/Function.html" title="interface in org.apache.edgent.function">Function</a><<a href="../../../../../org/apache/edgent/connectors/kafka/KafkaConsumer.ByteConsumerRecord.html" title="interface in org.apache.edgent.connectors.kafka">KafkaConsumer.ByteConsumerRecord</a>,T> toTupleFn, + java.lang.String... topics)</code> +<div class="block">Subscribe to the specified topics and yield a stream of tuples + from the published Kafka records.</div> +</td> +</tr> +</table> +<ul class="blockList"> +<li class="blockList"><a name="methods.inherited.from.class.java.lang.Object"> +<!-- --> +</a> +<h3>Methods inherited from class java.lang.Object</h3> +<code>clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait</code></li> +</ul> +</li> +</ul> +</li> +</ul> +</div> +<div class="details"> +<ul class="blockList"> +<li class="blockList"> +<!-- ========= CONSTRUCTOR DETAIL ======== --> +<ul class="blockList"> +<li class="blockList"><a name="constructor.detail"> +<!-- --> +</a> +<h3>Constructor Detail</h3> +<a name="KafkaConsumer-org.apache.edgent.topology.Topology-org.apache.edgent.function.Supplier-"> +<!-- --> +</a> +<ul class="blockListLast"> +<li class="blockList"> +<h4>KafkaConsumer</h4> +<pre>public KafkaConsumer(<a href="../../../../../org/apache/edgent/topology/Topology.html" title="interface in org.apache.edgent.topology">Topology</a> t, + <a href="../../../../../org/apache/edgent/function/Supplier.html" title="interface in org.apache.edgent.function">Supplier</a><java.util.Map<java.lang.String,java.lang.Object>> config)</pre> +<div class="block">Create a consumer connector for subscribing to Kafka topics + and creating tuples from the received messages. + <p> + See the Apache Kafka documentation for "Old Consumer Configs" + configuration properties at <a href="http://kafka.apache.org";>http://kafka.apache.org</a>. + Configuration property values are strings. + <p> + The Kafka "Old Consumer" configs are used. Minimal configuration + typically includes: + <ul> + <li><code>zookeeper.connect</code></li> + <li><code>group.id</code></li> + </ul></div> +<dl> +<dt><span class="paramLabel">Parameters:</span></dt> +<dd><code>t</code> - Topology to add to</dd> +<dd><code>config</code> - KafkaConsumer configuration information.</dd> +</dl> +</li> +</ul> +</li> +</ul> +<!-- ============ METHOD DETAIL ========== --> +<ul class="blockList"> +<li class="blockList"><a name="method.detail"> +<!-- --> +</a> +<h3>Method Detail</h3> +<a name="subscribeBytes-org.apache.edgent.function.Function-java.lang.String...-"> +<!-- --> +</a> +<ul class="blockList"> +<li class="blockList"> +<h4>subscribeBytes</h4> +<pre>public <T> <a href="../../../../../org/apache/edgent/topology/TStream.html" title="interface in org.apache.edgent.topology">TStream</a><T> subscribeBytes(<a href="../../../../../org/apache/edgent/function/Function.html" title="interface in org.apache.edgent.function">Function</a><<a href="../../../../../org/apache/edgent/connectors/kafka/KafkaConsumer.ByteConsumerRecord.html" title="interface in org.apache.edgent.connectors.kafka">KafkaConsumer.ByteConsumerRecord</a>,T> toTupleFn, + java.lang.String... topics)</pre> +<div class="block">Subscribe to the specified topics and yield a stream of tuples + from the published Kafka records. + <p> + Kafka's consumer group management functionality is used to automatically + allocate, and dynamically reallocate, the topic's partitions to this connector. + <p> + In line with Kafka's evolving new KafkaConsumer interface, subscribing + to a topic advertises a single thread to the server for partition allocation. + <p> + Currently, subscribe*() can only be called once for a KafkaConsumer + instance. This restriction will be removed once we migrate to Kafka 0.9.0.0.</div> +<dl> +<dt><span class="paramLabel">Type Parameters:</span></dt> +<dd><code>T</code> - tuple type</dd> +<dt><span class="paramLabel">Parameters:</span></dt> +<dd><code>toTupleFn</code> - A function that yields a tuple from a <code>ByteConsumerRecord</code></dd> +<dd><code>topics</code> - the topics to subscribe to.</dd> +<dt><span class="returnLabel">Returns:</span></dt> +<dd>stream of tuples</dd> +<dt><span class="throwsLabel">Throws:</span></dt> +<dd><code>java.lang.IllegalArgumentException</code> - for a duplicate or conflicting subscription</dd> +</dl> +</li> +</ul> +<a name="subscribe-org.apache.edgent.function.Function-java.lang.String...-"> +<!-- --> +</a> +<ul class="blockListLast"> +<li class="blockList"> +<h4>subscribe</h4> +<pre>public <T> <a href="../../../../../org/apache/edgent/topology/TStream.html" title="interface in org.apache.edgent.topology">TStream</a><T> subscribe(<a href="../../../../../org/apache/edgent/function/Function.html" title="interface in org.apache.edgent.function">Function</a><<a href="../../../../../org/apache/edgent/connectors/kafka/KafkaConsumer.StringConsumerRecord.html" title="interface in org.apache.edgent.connectors.kafka">KafkaConsumer.StringConsumerRecord</a>,T> toTupleFn, + java.lang.String... topics)</pre> +<div class="block">Subscribe to the specified topics and yield a stream of tuples + from the published Kafka records. + <p> + Kafka's consumer group management functionality is used to automatically + allocate, and dynamically reallocate, the topic's partitions to this connector. + <p> + In line with Kafka's evolving new KafkaConsumer interface, subscribing + to a topic advertises a single thread to the server for partition allocation. + <p> + Currently, subscribe*() can only be called once for a KafkaConsumer + instance. This restriction will be removed once we migrate to Kafka 0.9.0.0.</div> +<dl> +<dt><span class="paramLabel">Type Parameters:</span></dt> +<dd><code>T</code> - tuple type</dd> +<dt><span class="paramLabel">Parameters:</span></dt> +<dd><code>toTupleFn</code> - A function that yields a tuple from a <code>StringConsumerRecord</code></dd> +<dd><code>topics</code> - the topics to subscribe to.</dd> +<dt><span class="returnLabel">Returns:</span></dt> +<dd>stream of tuples</dd> +<dt><span class="throwsLabel">Throws:</span></dt> +<dd><code>java.lang.IllegalArgumentException</code> - for a duplicate or conflicting subscription</dd> +</dl> +</li> +</ul> +</li> +</ul> +</li> +</ul> +</div> +</div> +<!-- ========= END OF CLASS DATA ========= --> +<!-- ======= START OF BOTTOM NAVBAR ====== --> +<div class="bottomNav"><a name="navbar.bottom"> +<!-- --> +</a> +<div class="skipNav"><a href="#skip.navbar.bottom" title="Skip navigation links">Skip navigation links</a></div> +<a name="navbar.bottom.firstrow"> +<!-- --> +</a> +<ul class="navList" title="Navigation"> +<li><a href="../../../../../overview-summary.html">Overview</a></li> +<li><a href="package-summary.html">Package</a></li> +<li class="navBarCell1Rev">Class</li> +<li><a href="class-use/KafkaConsumer.html">Use</a></li> +<li><a href="package-tree.html">Tree</a></li> +<li><a href="../../../../../deprecated-list.html">Deprecated</a></li> +<li><a href="../../../../../index-all.html">Index</a></li> +<li><a href="../../../../../help-doc.html">Help</a></li> +</ul> +<div class="aboutLanguage"><a href="http://edgent.incubator.apache.org";>Apache Edgent (incubating)</a></div> +</div> +<div class="subNav"> +<ul class="navList"> +<li>Prev Class</li> +<li><a href="../../../../../org/apache/edgent/connectors/kafka/KafkaConsumer.ByteConsumerRecord.html" title="interface in org.apache.edgent.connectors.kafka"><span class="typeNameLink">Next Class</span></a></li> +</ul> +<ul class="navList"> +<li><a href="../../../../../index.html?org/apache/edgent/connectors/kafka/KafkaConsumer.html" target="_top">Frames</a></li> +<li><a href="KafkaConsumer.html" target="_top">No Frames</a></li> +</ul> +<ul class="navList" id="allclasses_navbar_bottom"> +<li><a href="../../../../../allclasses-noframe.html">All Classes</a></li> +</ul> +<div> +<script type="text/javascript"><!-- + allClassesLink = document.getElementById("allclasses_navbar_bottom"); + if(window==top) { + allClassesLink.style.display = "block"; + } + else { + allClassesLink.style.display = "none"; + } + //--> +</script> +</div> +<div> +<ul class="subNavList"> +<li>Summary: </li> +<li><a href="#nested.class.summary">Nested</a> | </li> +<li>Field | </li> +<li><a href="#constructor.summary">Constr</a> | </li> +<li><a href="#method.summary">Method</a></li> +</ul> +<ul class="subNavList"> +<li>Detail: </li> +<li>Field | </li> +<li><a href="#constructor.detail">Constr</a> | </li> +<li><a href="#method.detail">Method</a></li> +</ul> +</div> +<a name="skip.navbar.bottom"> +<!-- --> +</a></div> +<!-- ======== END OF BOTTOM NAVBAR ======= --> +<p class="legalCopy"><small>Copyright © 2016 The Apache Software Foundation. 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KafkaProducer" class="title">Class KafkaProducer</h2> +</div> +<div class="contentContainer"> +<ul class="inheritance"> +<li>java.lang.Object</li> +<li> +<ul class="inheritance"> +<li>org.apache.edgent.connectors.kafka.KafkaProducer</li> +</ul> +</li> +</ul> +<div class="description"> +<ul class="blockList"> +<li class="blockList"> +<hr> +<br> +<pre>public class <span class="typeNameLabel">KafkaProducer</span> +extends java.lang.Object</pre> +<div class="block"><code>KafkaProducer</code> is a connector for publishing a stream of tuples + to Apache Kafka messaging system topics. + <p> + The connector uses and includes components from the Kafka 0.8.2.2 release. + It has been successfully tested against a kafka_2.11-0.9.0.0 server as well. + For more information about Kafka see + <a href="http://kafka.apache.org";>http://kafka.apache.org</a> + <p> + Sample use: + <pre><code> + String bootstrapServers = "localhost:9092"; + String topic = "mySensorReadingsTopic"; + + Map<String,Object> config = new HashMap<>(); + config.put("bootstrap.servers", bootstrapServers); + + Topology t = ... + KafkaProducer kafka = new KafkaProducer(t, () -> config); + + TStream<JsonObject> sensorReadings = t.poll( + () -> getSensorReading(), 5, TimeUnit.SECONDS); + + // publish as sensor readings as JSON + kafka.publish(sensonReadings, tuple -> tuple.toString(), topic); + </code></pre></div> +</li> +</ul> +</div> +<div class="summary"> +<ul class="blockList"> +<li class="blockList"> +<!-- ======== 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/edgent/connectors/kafka/KafkaProducer.html#KafkaProducer-org.apache.edgent.topology.Topology-org.apache.edgent.function.Supplier-">KafkaProducer</a></span>(<a href="../../../../../org/apache/edgent/topology/Topology.html" title="interface in org.apache.edgent.topology">Topology</a> t, + <a href="../../../../../org/apache/edgent/function/Supplier.html" title="interface in org.apache.edgent.function">Supplier</a><java.util.Map<java.lang.String,java.lang.Object>> config)</code> +<div class="block">Create a producer connector for publishing tuples to Kafka topics.s</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/edgent/topology/TSink.html" title="interface in org.apache.edgent.topology">TSink</a><java.lang.String></code></td> +<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/edgent/connectors/kafka/KafkaProducer.html#publish-org.apache.edgent.topology.TStream-java.lang.String-">publish</a></span>(<a href="../../../../../org/apache/edgent/topology/TStream.html" title="interface in org.apache.edgent.topology">TStream</a><java.lang.String> stream, + java.lang.String topic)</code> +<div class="block">Publish the stream of tuples as Kafka key/value records + to the specified partitions of the specified topics.</div> +</td> +</tr> +<tr id="i1" class="rowColor"> +<td class="colFirst"><code><T> <a href="../../../../../org/apache/edgent/topology/TSink.html" title="interface in org.apache.edgent.topology">TSink</a><T></code></td> +<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/edgent/connectors/kafka/KafkaProducer.html#publish-org.apache.edgent.topology.TStream-org.apache.edgent.function.Function-org.apache.edgent.function.Function-org.apache.edgent.function.Function-org.apache.edgent.function.Function-">publish</a></span>(<a href="../../../../../org/apache/edgent/topology/TStream.html" title="interface in org.apache.edgent.topology">TStream</a><T> stream, + <a href="../../../../../org/apache/edgent/function/Function.html" title="interface in org.apache.edgent.function">Function</a><T,java.lang.String> keyFn, + <a href="../../../../../org/apache/edgent/function/Function.html" title="interface in org.apache.edgent.function">Function</a><T,java.lang.String> valueFn, + <a href="../../../../../org/apache/edgent/function/Function.html" title="interface in org.apache.edgent.function">Function</a><T,java.lang.String> topicFn, + <a href="../../../../../org/apache/edgent/function/Function.html" title="interface in org.apache.edgent.function">Function</a><T,java.lang.Integer> partitionFn)</code> +<div class="block">Publish the stream of tuples as Kafka key/value records + to the specified partitions of the specified topics.</div> +</td> +</tr> +<tr id="i2" class="altColor"> +<td class="colFirst"><code><T> <a href="../../../../../org/apache/edgent/topology/TSink.html" title="interface in org.apache.edgent.topology">TSink</a><T></code></td> +<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/edgent/connectors/kafka/KafkaProducer.html#publishBytes-org.apache.edgent.topology.TStream-org.apache.edgent.function.Function-org.apache.edgent.function.Function-org.apache.edgent.function.Function-org.apache.edgent.function.Function-">publishBytes</a></span>(<a href="../../../../../org/apache/edgent/topology/TStream.html" title="interface in org.apache.edgent.topology">TStream</a><T> stream, + <a href="../../../../../org/apache/edgent/function/Function.html" title="interface in org.apache.edgent.function">Function</a><T,byte[]> keyFn, + <a href="../../../../../org/apache/edgent/function/Function.html" title="interface in org.apache.edgent.function">Function</a><T,byte[]> valueFn, + <a href="../../../../../org/apache/edgent/function/Function.html" title="interface in org.apache.edgent.function">Function</a><T,java.lang.String> topicFn, + <a href="../../../../../org/apache/edgent/function/Function.html" title="interface in org.apache.edgent.function">Function</a><T,java.lang.Integer> partitionFn)</code> +<div class="block">Publish the stream of tuples as Kafka key/value records + to the specified topic partitions.</div> +</td> +</tr> +</table> +<ul class="blockList"> +<li class="blockList"><a name="methods.inherited.from.class.java.lang.Object"> +<!-- --> +</a> +<h3>Methods inherited from class java.lang.Object</h3> +<code>clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait</code></li> +</ul> +</li> +</ul> +</li> +</ul> +</div> +<div class="details"> +<ul class="blockList"> +<li class="blockList"> +<!-- ========= CONSTRUCTOR DETAIL ======== --> +<ul class="blockList"> +<li class="blockList"><a name="constructor.detail"> +<!-- --> +</a> +<h3>Constructor Detail</h3> +<a name="KafkaProducer-org.apache.edgent.topology.Topology-org.apache.edgent.function.Supplier-"> +<!-- --> +</a> +<ul class="blockListLast"> +<li class="blockList"> +<h4>KafkaProducer</h4> +<pre>public KafkaProducer(<a href="../../../../../org/apache/edgent/topology/Topology.html" title="interface in org.apache.edgent.topology">Topology</a> t, + <a href="../../../../../org/apache/edgent/function/Supplier.html" title="interface in org.apache.edgent.function">Supplier</a><java.util.Map<java.lang.String,java.lang.Object>> config)</pre> +<div class="block">Create a producer connector for publishing tuples to Kafka topics.s + <p> + See the Apache Kafka documentation for <code>KafkaProducer</code> + configuration properties at <a href="http://kafka.apache.org";>http://kafka.apache.org</a>. + Configuration property values are strings. + <p> + The Kafka "New Producer configs" are used. Minimal configuration + typically includes: + <ul> + <li><code>bootstrap.servers</code></li> + </ul> + <p> + The full set of producer configuration items are specified in + <code>org.apache.kafka.clients.producer.ProducerConfig</code></div> +<dl> +<dt><span class="paramLabel">Parameters:</span></dt> +<dd><code>t</code> - Topology to add to</dd> +<dd><code>config</code> - KafkaProducer configuration information.</dd> +</dl> +</li> +</ul> +</li> +</ul> +<!-- ============ METHOD DETAIL ========== --> +<ul class="blockList"> +<li class="blockList"><a name="method.detail"> +<!-- --> +</a> +<h3>Method Detail</h3> +<a name="publishBytes-org.apache.edgent.topology.TStream-org.apache.edgent.function.Function-org.apache.edgent.function.Function-org.apache.edgent.function.Function-org.apache.edgent.function.Function-"> +<!-- --> +</a> +<ul class="blockList"> +<li class="blockList"> +<h4>publishBytes</h4> +<pre>public <T> <a href="../../../../../org/apache/edgent/topology/TSink.html" title="interface in org.apache.edgent.topology">TSink</a><T> publishBytes(<a href="../../../../../org/apache/edgent/topology/TStream.html" title="interface in org.apache.edgent.topology">TStream</a><T> stream, + <a href="../../../../../org/apache/edgent/function/Function.html" title="interface in org.apache.edgent.function">Function</a><T,byte[]> keyFn, + <a href="../../../../../org/apache/edgent/function/Function.html" title="interface in org.apache.edgent.function">Function</a><T,byte[]> valueFn, + <a href="../../../../../org/apache/edgent/function/Function.html" title="interface in org.apache.edgent.function">Function</a><T,java.lang.String> topicFn, + <a href="../../../../../org/apache/edgent/function/Function.html" title="interface in org.apache.edgent.function">Function</a><T,java.lang.Integer> partitionFn)</pre> +<div class="block">Publish the stream of tuples as Kafka key/value records + to the specified topic partitions. + <p> + If a valid partition number is specified that partition will be used + when sending the message. If no partition is specified but a key is + present a partition will be chosen using a hash of the key. + If neither key nor partition is present a partition will be assigned + in a round-robin fashion.</div> +<dl> +<dt><span class="paramLabel">Type Parameters:</span></dt> +<dd><code>T</code> - Tuple type</dd> +<dt><span class="paramLabel">Parameters:</span></dt> +<dd><code>stream</code> - the stream to publish</dd> +<dd><code>keyFn</code> - A function that yields an optional byte[] + Kafka record's key from the tuple. + Specify null or return a null value for no key.</dd> +<dd><code>valueFn</code> - A function that yields the byte[] + Kafka record's value from the tuple.</dd> +<dd><code>topicFn</code> - A function that yields the topic from the tuple.</dd> +<dd><code>partitionFn</code> - A function that yields the optional topic + partition specification from the tuple. + Specify null or return a null value for no partition specification.</dd> +<dt><span class="returnLabel">Returns:</span></dt> +<dd><a href="../../../../../org/apache/edgent/topology/TSink.html" title="interface in org.apache.edgent.topology"><code>TSink</code></a></dd> +</dl> +</li> +</ul> +<a name="publish-org.apache.edgent.topology.TStream-org.apache.edgent.function.Function-org.apache.edgent.function.Function-org.apache.edgent.function.Function-org.apache.edgent.function.Function-"> +<!-- --> +</a> +<ul class="blockList"> +<li class="blockList"> +<h4>publish</h4> +<pre>public <T> <a href="../../../../../org/apache/edgent/topology/TSink.html" title="interface in org.apache.edgent.topology">TSink</a><T> publish(<a href="../../../../../org/apache/edgent/topology/TStream.html" title="interface in org.apache.edgent.topology">TStream</a><T> stream, + <a href="../../../../../org/apache/edgent/function/Function.html" title="interface in org.apache.edgent.function">Function</a><T,java.lang.String> keyFn, + <a href="../../../../../org/apache/edgent/function/Function.html" title="interface in org.apache.edgent.function">Function</a><T,java.lang.String> valueFn, + <a href="../../../../../org/apache/edgent/function/Function.html" title="interface in org.apache.edgent.function">Function</a><T,java.lang.String> topicFn, + <a href="../../../../../org/apache/edgent/function/Function.html" title="interface in org.apache.edgent.function">Function</a><T,java.lang.Integer> partitionFn)</pre> +<div class="block">Publish the stream of tuples as Kafka key/value records + to the specified partitions of the specified topics. + <p> + This is a convenience method for <code>String</code> typed key/value + conversion functions. + <p></div> +<dl> +<dt><span class="paramLabel">Type Parameters:</span></dt> +<dd><code>T</code> - Tuple type</dd> +<dt><span class="paramLabel">Parameters:</span></dt> +<dd><code>stream</code> - the stream to publish</dd> +<dd><code>keyFn</code> - A function that yields an optional String + Kafka record's key from the tuple. + Specify null or return a null value for no key.</dd> +<dd><code>valueFn</code> - A function that yields the String for the + Kafka record's value from the tuple.</dd> +<dd><code>topicFn</code> - A function that yields the topic from the tuple.</dd> +<dd><code>partitionFn</code> - A function that yields the optional topic + partition specification from the tuple. + Specify null or return a null value for no partition specification.</dd> +<dt><span class="returnLabel">Returns:</span></dt> +<dd><a href="../../../../../org/apache/edgent/topology/TSink.html" title="interface in org.apache.edgent.topology"><code>TSink</code></a></dd> +<dt><span class="seeLabel">See Also:</span></dt> +<dd><a href="../../../../../org/apache/edgent/connectors/kafka/KafkaProducer.html#publishBytes-org.apache.edgent.topology.TStream-org.apache.edgent.function.Function-org.apache.edgent.function.Function-org.apache.edgent.function.Function-org.apache.edgent.function.Function-"><code>publishBytes(TStream, Function, Function, Function, Function)</code></a></dd> +</dl> +</li> +</ul> +<a name="publish-org.apache.edgent.topology.TStream-java.lang.String-"> +<!-- --> +</a> +<ul class="blockListLast"> +<li class="blockList"> +<h4>publish</h4> +<pre>public <a href="../../../../../org/apache/edgent/topology/TSink.html" title="interface in org.apache.edgent.topology">TSink</a><java.lang.String> publish(<a href="../../../../../org/apache/edgent/topology/TStream.html" title="interface in org.apache.edgent.topology">TStream</a><java.lang.String> stream, + java.lang.String topic)</pre> +<div class="block">Publish the stream of tuples as Kafka key/value records + to the specified partitions of the specified topics. + <p> + This is a convenience method for a String stream published + as a Kafka record with no key and + a value consisting of the String tuple serialized as UTF-8, + and publishing round-robin to a fixed topic's partitions.</div> +<dl> +<dt><span class="paramLabel">Parameters:</span></dt> +<dd><code>stream</code> - the stream to publish</dd> +<dd><code>topic</code> - The topic to publish to</dd> +<dt><span class="returnLabel">Returns:</span></dt> +<dd><a href="../../../../../org/apache/edgent/topology/TSink.html" title="interface in org.apache.edgent.topology"><code>TSink</code></a></dd> +<dt><span class="seeLabel">See Also:</span></dt> +<dd><a href="../../../../../org/apache/edgent/connectors/kafka/KafkaProducer.html#publish-org.apache.edgent.topology.TStream-org.apache.edgent.function.Function-org.apache.edgent.function.Function-org.apache.edgent.function.Function-org.apache.edgent.function.Function-"><code>publish(TStream, Function, Function, Function, Function)</code></a></dd> +</dl> +</li> +</ul> +</li> +</ul> +</li> +</ul> +</div> +</div> +<!-- ========= END OF CLASS DATA ========= --> +<!-- ======= START OF BOTTOM NAVBAR ====== --> +<div class="bottomNav"><a name="navbar.bottom"> +<!-- --> +</a> +<div class="skipNav"><a href="#skip.navbar.bottom" title="Skip navigation links">Skip navigation links</a></div> +<a name="navbar.bottom.firstrow"> +<!-- --> +</a> +<ul class="navList" title="Navigation"> +<li><a href="../../../../../overview-summary.html">Overview</a></li> +<li><a href="package-summary.html">Package</a></li> +<li class="navBarCell1Rev">Class</li> +<li><a href="class-use/KafkaProducer.html">Use</a></li> +<li><a href="package-tree.html">Tree</a></li> +<li><a href="../../../../../deprecated-list.html">Deprecated</a></li> +<li><a href="../../../../../index-all.html">Index</a></li> +<li><a href="../../../../../help-doc.html">Help</a></li> +</ul> +<div class="aboutLanguage"><a href="http://edgent.incubator.apache.org";>Apache Edgent (incubating)</a></div> +</div> +<div class="subNav"> +<ul class="navList"> +<li><a href="../../../../../org/apache/edgent/connectors/kafka/KafkaConsumer.StringConsumerRecord.html" title="interface in org.apache.edgent.connectors.kafka"><span class="typeNameLink">Prev Class</span></a></li> +<li>Next Class</li> +</ul> +<ul class="navList"> +<li><a href="../../../../../index.html?org/apache/edgent/connectors/kafka/KafkaProducer.html" target="_top">Frames</a></li> +<li><a href="KafkaProducer.html" target="_top">No Frames</a></li> +</ul> +<ul class="navList" id="allclasses_navbar_bottom"> +<li><a href="../../../../../allclasses-noframe.html">All Classes</a></li> +</ul> +<div> +<script type="text/javascript"><!-- + allClassesLink = document.getElementById("allclasses_navbar_bottom"); + if(window==top) { + allClassesLink.style.display = "block"; + } + else { + allClassesLink.style.display = "none"; + } + //--> +</script> +</div> +<div> +<ul class="subNavList"> +<li>Summary: </li> +<li>Nested | </li> +<li>Field | </li> +<li><a href="#constructor.summary">Constr</a> | </li> +<li><a href="#method.summary">Method</a></li> +</ul> +<ul class="subNavList"> +<li>Detail: </li> +<li>Field | </li> +<li><a href="#constructor.detail">Constr</a> | </li> +<li><a href="#method.detail">Method</a></li> +</ul> +</div> +<a name="skip.navbar.bottom"> +<!-- --> +</a></div> +<!-- ======== END OF BOTTOM NAVBAR ======= --> +<p class="legalCopy"><small>Copyright © 2016 The Apache Software Foundation. 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href="../../../../../../org/apache/edgent/connectors/kafka/KafkaConsumer.ByteConsumerRecord.html" title="interface in org.apache.edgent.connectors.kafka">KafkaConsumer.ByteConsumerRecord</a></span><span class="tabEnd"> </span></caption> +<tr> +<th class="colFirst" scope="col">Package</th> +<th class="colLast" scope="col">Description</th> +</tr> +<tbody> +<tr class="altColor"> +<td class="colFirst"><a href="#org.apache.edgent.connectors.kafka">org.apache.edgent.connectors.kafka</a></td> +<td class="colLast"> +<div class="block">Apache Kafka enterprise messing hub stream connector.</div> +</td> +</tr> +</tbody> +</table> +</li> +<li class="blockList"> +<ul class="blockList"> +<li class="blockList"><a name="org.apache.edgent.connectors.kafka"> +<!-- --> +</a> +<h3>Uses of <a href="../../../../../../org/apache/edgent/connectors/kafka/KafkaConsumer.ByteConsumerRecord.html" title="interface in org.apache.edgent.connectors.kafka">KafkaConsumer.ByteConsumerRecord</a> in <a href="../../../../../../org/apache/edgent/connectors/kafka/package-summary.html">org.apache.edgent.connectors.kafka</a></h3> +<table class="useSummary" border="0" cellpadding="3" cellspacing="0" summary="Use table, listing methods, and an explanation"> +<caption><span>Method parameters in <a href="../../../../../../org/apache/edgent/connectors/kafka/package-summary.html">org.apache.edgent.connectors.kafka</a> with type arguments of type <a href="../../../../../../org/apache/edgent/connectors/kafka/KafkaConsumer.ByteConsumerRecord.html" title="interface in org.apache.edgent.connectors.kafka">KafkaConsumer.ByteConsumerRecord</a></span><span class="tabEnd"> </span></caption> +<tr> +<th class="colFirst" scope="col">Modifier and Type</th> +<th class="colLast" scope="col">Method and Description</th> +</tr> +<tbody> +<tr class="altColor"> +<td class="colFirst"><code><T> <a href="../../../../../../org/apache/edgent/topology/TStream.html" title="interface in org.apache.edgent.topology">TStream</a><T></code></td> +<td class="colLast"><span class="typeNameLabel">KafkaConsumer.</span><code><span class="memberNameLink"><a href="../../../../../../org/apache/edgent/connectors/kafka/KafkaConsumer.html#subscribeBytes-org.apache.edgent.function.Function-java.lang.String...-">subscribeBytes</a></span>(<a href="../../../../../../org/apache/edgent/function/Function.html" title="interface in org.apache.edgent.function">Function</a><<a href="../../../../../../org/apache/edgent/connectors/kafka/KafkaConsumer.ByteConsumerRecord.html" title="interface in org.apache.edgent.connectors.kafka">KafkaConsumer.ByteConsumerRecord</a>,T> toTupleFn, + java.lang.String... topics)</code> +<div class="block">Subscribe to the specified topics and yield a stream of tuples + from the published Kafka records.</div> +</td> +</tr> +</tbody> +</table> +</li> +</ul> +</li> +</ul> +</div> +<!-- ======= START OF BOTTOM NAVBAR ====== --> +<div class="bottomNav"><a 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All Rights Reserved - 54ea8ac-20160726-1240</small></p> +</body> +</html> http://git-wip-us.apache.org/repos/asf/incubator-edgent-website/blob/85b6530d/site/javadoc/r0.4.0/org/apache/edgent/connectors/kafka/class-use/KafkaConsumer.ConsumerRecord.html ---------------------------------------------------------------------- diff --git a/site/javadoc/r0.4.0/org/apache/edgent/connectors/kafka/class-use/KafkaConsumer.ConsumerRecord.html b/site/javadoc/r0.4.0/org/apache/edgent/connectors/kafka/class-use/KafkaConsumer.ConsumerRecord.html new file mode 100644 index 0000000..2d81216 --- /dev/null +++ b/site/javadoc/r0.4.0/org/apache/edgent/connectors/kafka/class-use/KafkaConsumer.ConsumerRecord.html @@ -0,0 +1,176 @@ +<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd";> +<!-- NewPage --> +<html lang="en"> +<head> +<!-- Generated by javadoc (1.8.0_92) on Tue Jul 26 12:40:39 PDT 2016 --> +<title>Uses of Interface 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href="../../../../../../org/apache/edgent/connectors/kafka/KafkaConsumer.ConsumerRecord.html" title="interface in org.apache.edgent.connectors.kafka">KafkaConsumer.ConsumerRecord</a></span><span class="tabEnd"> </span></caption> +<tr> +<th class="colFirst" scope="col">Package</th> +<th class="colLast" scope="col">Description</th> +</tr> +<tbody> +<tr class="altColor"> +<td class="colFirst"><a href="#org.apache.edgent.connectors.kafka">org.apache.edgent.connectors.kafka</a></td> +<td class="colLast"> +<div class="block">Apache Kafka enterprise messing hub stream connector.</div> +</td> +</tr> +</tbody> +</table> +</li> +<li class="blockList"> +<ul class="blockList"> +<li class="blockList"><a name="org.apache.edgent.connectors.kafka"> +<!-- --> +</a> +<h3>Uses of <a href="../../../../../../org/apache/edgent/connectors/kafka/KafkaConsumer.ConsumerRecord.html" title="interface in org.apache.edgent.connectors.kafka">KafkaConsumer.ConsumerRecord</a> in <a href="../../../../../../org/apache/edgent/connectors/kafka/package-summary.html">org.apache.edgent.connectors.kafka</a></h3> +<table class="useSummary" border="0" cellpadding="3" cellspacing="0" summary="Use table, listing subinterfaces, and an explanation"> +<caption><span>Subinterfaces of <a href="../../../../../../org/apache/edgent/connectors/kafka/KafkaConsumer.ConsumerRecord.html" title="interface in org.apache.edgent.connectors.kafka">KafkaConsumer.ConsumerRecord</a> in <a href="../../../../../../org/apache/edgent/connectors/kafka/package-summary.html">org.apache.edgent.connectors.kafka</a></span><span class="tabEnd"> </span></caption> +<tr> +<th class="colFirst" scope="col">Modifier and Type</th> +<th class="colLast" scope="col">Interface and Description</th> +</tr> +<tbody> +<tr class="altColor"> +<td class="colFirst"><code>static interface </code></td> +<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/edgent/connectors/kafka/KafkaConsumer.ByteConsumerRecord.html" title="interface in org.apache.edgent.connectors.kafka">KafkaConsumer.ByteConsumerRecord</a></span></code> +<div class="block">A Kafka record with byte[] typed key and value members</div> +</td> +</tr> +<tr class="rowColor"> +<td class="colFirst"><code>static interface </code></td> +<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/edgent/connectors/kafka/KafkaConsumer.StringConsumerRecord.html" title="interface in org.apache.edgent.connectors.kafka">KafkaConsumer.StringConsumerRecord</a></span></code> +<div class="block">A Kafka record with String typed key and value members</div> +</td> +</tr> +</tbody> +</table> +</li> +</ul> +</li> +</ul> +</div> +<!-- ======= START OF BOTTOM NAVBAR ====== --> +<div class="bottomNav"><a name="navbar.bottom"> +<!-- --> +</a> +<div class="skipNav"><a href="#skip.navbar.bottom" title="Skip navigation links">Skip 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href="../../../../../../org/apache/edgent/connectors/kafka/KafkaConsumer.StringConsumerRecord.html" title="interface in org.apache.edgent.connectors.kafka">KafkaConsumer.StringConsumerRecord</a></span><span class="tabEnd"> </span></caption> +<tr> +<th class="colFirst" scope="col">Package</th> +<th class="colLast" scope="col">Description</th> +</tr> +<tbody> +<tr class="altColor"> +<td class="colFirst"><a href="#org.apache.edgent.connectors.kafka">org.apache.edgent.connectors.kafka</a></td> +<td class="colLast"> +<div class="block">Apache Kafka enterprise messing hub stream connector.</div> +</td> +</tr> +</tbody> +</table> +</li> +<li class="blockList"> +<ul class="blockList"> +<li class="blockList"><a name="org.apache.edgent.connectors.kafka"> +<!-- --> +</a> +<h3>Uses of <a href="../../../../../../org/apache/edgent/connectors/kafka/KafkaConsumer.StringConsumerRecord.html" title="interface in org.apache.edgent.connectors.kafka">KafkaConsumer.StringConsumerRecord</a> in <a href="../../../../../../org/apache/edgent/connectors/kafka/package-summary.html">org.apache.edgent.connectors.kafka</a></h3> +<table class="useSummary" border="0" cellpadding="3" cellspacing="0" summary="Use table, listing methods, and an explanation"> +<caption><span>Method parameters in <a href="../../../../../../org/apache/edgent/connectors/kafka/package-summary.html">org.apache.edgent.connectors.kafka</a> with type arguments of type <a href="../../../../../../org/apache/edgent/connectors/kafka/KafkaConsumer.StringConsumerRecord.html" title="interface in org.apache.edgent.connectors.kafka">KafkaConsumer.StringConsumerRecord</a></span><span class="tabEnd"> </span></caption> +<tr> +<th class="colFirst" scope="col">Modifier and Type</th> +<th class="colLast" scope="col">Method and Description</th> +</tr> +<tbody> +<tr class="altColor"> +<td class="colFirst"><code><T> <a href="../../../../../../org/apache/edgent/topology/TStream.html" title="interface in org.apache.edgent.topology">TStream</a><T></code></td> +<td class="colLast"><span class="typeNameLabel">KafkaConsumer.</span><code><span class="memberNameLink"><a href="../../../../../../org/apache/edgent/connectors/kafka/KafkaConsumer.html#subscribe-org.apache.edgent.function.Function-java.lang.String...-">subscribe</a></span>(<a href="../../../../../../org/apache/edgent/function/Function.html" title="interface in org.apache.edgent.function">Function</a><<a href="../../../../../../org/apache/edgent/connectors/kafka/KafkaConsumer.StringConsumerRecord.html" title="interface in org.apache.edgent.connectors.kafka">KafkaConsumer.StringConsumerRecord</a>,T> toTupleFn, + java.lang.String... topics)</code> +<div class="block">Subscribe to the specified topics and yield a stream of tuples + from the published Kafka records.</div> +</td> +</tr> +</tbody> +</table> +</li> +</ul> +</li> +</ul> +</div> +<!-- ======= START OF BOTTOM NAVBAR ====== --> +<div class="bottomNav"><a name="navbar.bottom"> 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