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| <div class="subTitle"><span class="packageLabelInType">Package</span> <a href="package-summary.html">backtype.storm.topology.base</a></div> |
| <h2 title="Class BaseRichSpout" class="title">Class BaseRichSpout</h2> |
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| <li>backtype.storm.topology.base.BaseRichSpout</li> |
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| <dd><code><a href="../../spout/ISpout.html" title="interface in backtype.storm.spout">ISpout</a></code>, <code><a href="../IComponent.html" title="interface in backtype.storm.topology">IComponent</a></code>, <code><a href="../IRichSpout.html" title="interface in backtype.storm.topology">IRichSpout</a></code>, <code>java.io.Serializable</code></dd> |
| </dl> |
| <dl> |
| <dt>Direct Known Subclasses:</dt> |
| <dd><code><a href="../../../../org/apache/storm/examples/MultiStageAckingTopology.AckingTestWordSpout.html" title="class in org.apache.storm.examples">MultiStageAckingTopology.AckingTestWordSpout</a></code>, <code><a href="../../../../org/apache/storm/examples/TaskHookTopology.AckingTestWordSpout.html" title="class in org.apache.storm.examples">TaskHookTopology.AckingTestWordSpout</a></code>, <code><a href="../../testing/TestWordSpout.html" title="class in backtype.storm.testing">TestWordSpout</a></code>, <code><a href="../../../../org/apache/storm/examples/WordCountTopology.WordSpout.html" title="class in org.apache.storm.examples">WordCountTopology.WordSpout</a></code></dd> |
| </dl> |
| <hr> |
| <pre>public abstract class <span class="typeNameLabel">BaseRichSpout</span> |
| extends <a href="BaseComponent.html" title="class in backtype.storm.topology.base">BaseComponent</a> |
| implements <a href="../IRichSpout.html" title="interface in backtype.storm.topology">IRichSpout</a></pre> |
| <dl> |
| <dt><span class="seeLabel">See Also:</span></dt> |
| <dd><a href="../../../../serialized-form.html#backtype.storm.topology.base.BaseRichSpout">Serialized Form</a></dd> |
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| <caption><span>Constructors</span><span class="tabEnd"> </span></caption> |
| <tr> |
| <th class="colFirst" scope="col">Constructor</th> |
| <th class="colLast" scope="col">Description</th> |
| </tr> |
| <tr class="altColor"> |
| <th class="colConstructorName" scope="row"><code><span class="memberNameLink"><a href="#%3Cinit%3E()">BaseRichSpout</a></span>()</code></th> |
| <td class="colLast"> </td> |
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| <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> |
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| <td class="colFirst"><code>void</code></td> |
| <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#ack(java.lang.Object)">ack</a></span>​(java.lang.Object msgId)</code></th> |
| <td class="colLast"> |
| <div class="block">Storm has determined that the tuple emitted by this spout with the msgId identifier |
| has been fully processed.</div> |
| </td> |
| </tr> |
| <tr id="i1" class="rowColor"> |
| <td class="colFirst"><code>void</code></td> |
| <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#activate()">activate</a></span>()</code></th> |
| <td class="colLast"> |
| <div class="block">Called when a spout has been activated out of a deactivated mode.</div> |
| </td> |
| </tr> |
| <tr id="i2" class="altColor"> |
| <td class="colFirst"><code>void</code></td> |
| <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#close()">close</a></span>()</code></th> |
| <td class="colLast"> |
| <div class="block">Called when an ISpout is going to be shutdown.</div> |
| </td> |
| </tr> |
| <tr id="i3" class="rowColor"> |
| <td class="colFirst"><code>void</code></td> |
| <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#deactivate()">deactivate</a></span>()</code></th> |
| <td class="colLast"> |
| <div class="block">Called when a spout has been deactivated.</div> |
| </td> |
| </tr> |
| <tr id="i4" class="altColor"> |
| <td class="colFirst"><code>void</code></td> |
| <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#fail(java.lang.Object)">fail</a></span>​(java.lang.Object msgId)</code></th> |
| <td class="colLast"> |
| <div class="block">The tuple emitted by this spout with the msgId identifier has failed to be |
| fully processed.</div> |
| </td> |
| </tr> |
| </table> |
| <ul class="blockList"> |
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| </a> |
| <h3>Methods inherited from class backtype.storm.topology.base.<a href="BaseComponent.html" title="class in backtype.storm.topology.base">BaseComponent</a></h3> |
| <code><a href="BaseComponent.html#getComponentConfiguration()">getComponentConfiguration</a></code></li> |
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| <h3>Methods inherited from class java.lang.Object</h3> |
| <code>clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait</code></li> |
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| <h3>Methods inherited from interface backtype.storm.topology.<a href="../IComponent.html" title="interface in backtype.storm.topology">IComponent</a></h3> |
| <code><a href="../IComponent.html#declareOutputFields(backtype.storm.topology.OutputFieldsDeclarer)">declareOutputFields</a>, <a href="../IComponent.html#getComponentConfiguration()">getComponentConfiguration</a></code></li> |
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| <h3>Methods inherited from interface backtype.storm.spout.<a href="../../spout/ISpout.html" title="interface in backtype.storm.spout">ISpout</a></h3> |
| <code><a href="../../spout/ISpout.html#nextTuple()">nextTuple</a>, <a href="../../spout/ISpout.html#open(java.util.Map,backtype.storm.task.TopologyContext,backtype.storm.spout.SpoutOutputCollector)">open</a></code></li> |
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| <ul class="blockListLast"> |
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| <h4>BaseRichSpout</h4> |
| <pre>public BaseRichSpout()</pre> |
| </li> |
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| </ul> |
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| <h4>close</h4> |
| <pre class="methodSignature">public void close()</pre> |
| <div class="block"><span class="descfrmTypeLabel">Description copied from interface: <code><a href="../../spout/ISpout.html#close()">ISpout</a></code></span></div> |
| <div class="block">Called when an ISpout is going to be shutdown. There is no guarentee that close |
| will be called, because the supervisor kill -9's worker processes on the cluster. |
| <p> |
| <p>The one context where close is guaranteed to be called is a topology is |
| killed when running Storm in simulator.</p></div> |
| <dl> |
| <dt><span class="overrideSpecifyLabel">Specified by:</span></dt> |
| <dd><code><a href="../../spout/ISpout.html#close()">close</a></code> in interface <code><a href="../../spout/ISpout.html" title="interface in backtype.storm.spout">ISpout</a></code></dd> |
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| <h4>activate</h4> |
| <pre class="methodSignature">public void activate()</pre> |
| <div class="block"><span class="descfrmTypeLabel">Description copied from interface: <code><a href="../../spout/ISpout.html#activate()">ISpout</a></code></span></div> |
| <div class="block">Called when a spout has been activated out of a deactivated mode. |
| nextTuple will be called on this spout soon. A spout can become activated |
| after having been deactivated when the topology is manipulated using the |
| `storm` client.</div> |
| <dl> |
| <dt><span class="overrideSpecifyLabel">Specified by:</span></dt> |
| <dd><code><a href="../../spout/ISpout.html#activate()">activate</a></code> in interface <code><a href="../../spout/ISpout.html" title="interface in backtype.storm.spout">ISpout</a></code></dd> |
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| <h4>deactivate</h4> |
| <pre class="methodSignature">public void deactivate()</pre> |
| <div class="block"><span class="descfrmTypeLabel">Description copied from interface: <code><a href="../../spout/ISpout.html#deactivate()">ISpout</a></code></span></div> |
| <div class="block">Called when a spout has been deactivated. nextTuple will not be called while |
| a spout is deactivated. The spout may or may not be reactivated in the future.</div> |
| <dl> |
| <dt><span class="overrideSpecifyLabel">Specified by:</span></dt> |
| <dd><code><a href="../../spout/ISpout.html#deactivate()">deactivate</a></code> in interface <code><a href="../../spout/ISpout.html" title="interface in backtype.storm.spout">ISpout</a></code></dd> |
| </dl> |
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| <h4>ack</h4> |
| <pre class="methodSignature">public void ack​(java.lang.Object msgId)</pre> |
| <div class="block"><span class="descfrmTypeLabel">Description copied from interface: <code><a href="../../spout/ISpout.html#ack(java.lang.Object)">ISpout</a></code></span></div> |
| <div class="block">Storm has determined that the tuple emitted by this spout with the msgId identifier |
| has been fully processed. Typically, an implementation of this method will take that |
| message off the queue and prevent it from being replayed.</div> |
| <dl> |
| <dt><span class="overrideSpecifyLabel">Specified by:</span></dt> |
| <dd><code><a href="../../spout/ISpout.html#ack(java.lang.Object)">ack</a></code> in interface <code><a href="../../spout/ISpout.html" title="interface in backtype.storm.spout">ISpout</a></code></dd> |
| </dl> |
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| <!-- --> |
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| <h4>fail</h4> |
| <pre class="methodSignature">public void fail​(java.lang.Object msgId)</pre> |
| <div class="block"><span class="descfrmTypeLabel">Description copied from interface: <code><a href="../../spout/ISpout.html#fail(java.lang.Object)">ISpout</a></code></span></div> |
| <div class="block">The tuple emitted by this spout with the msgId identifier has failed to be |
| fully processed. Typically, an implementation of this method will put that |
| message back on the queue to be replayed at a later time.</div> |
| <dl> |
| <dt><span class="overrideSpecifyLabel">Specified by:</span></dt> |
| <dd><code><a href="../../spout/ISpout.html#fail(java.lang.Object)">fail</a></code> in interface <code><a href="../../spout/ISpout.html" title="interface in backtype.storm.spout">ISpout</a></code></dd> |
| </dl> |
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