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| <div class="subTitle">org.apache.beam.sdk.io.gcp.pubsub</div> |
| <h2 title="Class PubsubUnboundedSource" class="title">Class PubsubUnboundedSource</h2> |
| </div> |
| <div class="contentContainer"> |
| <ul class="inheritance"> |
| <li>java.lang.Object</li> |
| <li> |
| <ul class="inheritance"> |
| <li><a href="../../../../../../../org/apache/beam/sdk/transforms/PTransform.html" title="class in org.apache.beam.sdk.transforms">org.apache.beam.sdk.transforms.PTransform</a><<a href="../../../../../../../org/apache/beam/sdk/values/PBegin.html" title="class in org.apache.beam.sdk.values">PBegin</a>,<a href="../../../../../../../org/apache/beam/sdk/values/PCollection.html" title="class in org.apache.beam.sdk.values">PCollection</a><<a href="../../../../../../../org/apache/beam/sdk/io/gcp/pubsub/PubsubMessage.html" title="class in org.apache.beam.sdk.io.gcp.pubsub">PubsubMessage</a>>></li> |
| <li> |
| <ul class="inheritance"> |
| <li>org.apache.beam.sdk.io.gcp.pubsub.PubsubUnboundedSource</li> |
| </ul> |
| </li> |
| </ul> |
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| <div class="description"> |
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| <dt>All Implemented Interfaces:</dt> |
| <dd>java.io.Serializable, <a href="../../../../../../../org/apache/beam/sdk/transforms/display/HasDisplayData.html" title="interface in org.apache.beam.sdk.transforms.display">HasDisplayData</a></dd> |
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| <pre>public class <span class="typeNameLabel">PubsubUnboundedSource</span> |
| extends <a href="../../../../../../../org/apache/beam/sdk/transforms/PTransform.html" title="class in org.apache.beam.sdk.transforms">PTransform</a><<a href="../../../../../../../org/apache/beam/sdk/values/PBegin.html" title="class in org.apache.beam.sdk.values">PBegin</a>,<a href="../../../../../../../org/apache/beam/sdk/values/PCollection.html" title="class in org.apache.beam.sdk.values">PCollection</a><<a href="../../../../../../../org/apache/beam/sdk/io/gcp/pubsub/PubsubMessage.html" title="class in org.apache.beam.sdk.io.gcp.pubsub">PubsubMessage</a>>></pre> |
| <div class="block">Users should use <a href="../../../../../../../org/apache/beam/sdk/io/gcp/pubsub/PubsubIO.html#read--"><code>PubsubIO.read()</code></a> instead. |
| |
| <p>A PTransform which streams messages from Pubsub. |
| |
| <ul> |
| <li>The underlying implementation in an <a href="../../../../../../../org/apache/beam/sdk/io/UnboundedSource.html" title="class in org.apache.beam.sdk.io"><code>UnboundedSource</code></a> which receives messages in |
| batches and hands them out one at a time. |
| <li>The watermark (either in Pubsub processing time or custom timestamp time) is estimated by |
| keeping track of the minimum of the last minutes worth of messages. This assumes Pubsub |
| delivers the oldest (in Pubsub processing time) available message at least once a minute, |
| and that custom timestamps are 'mostly' monotonic with Pubsub processing time. |
| Unfortunately both of those assumptions are fragile. Thus the estimated watermark may get |
| ahead of the 'true' watermark and cause some messages to be late. |
| <li>Checkpoints are used both to ACK received messages back to Pubsub (so that they may be |
| retired on the Pubsub end), and to NACK already consumed messages should a checkpoint need |
| to be restored (so that Pubsub will resend those messages promptly). |
| <li>The backlog is determined by each reader using the messages which have been pulled from |
| Pubsub but not yet consumed downstream. The backlog does not take account of any messages |
| queued by Pubsub for the subscription. Unfortunately there is currently no API to determine |
| the size of the Pubsub queue's backlog. |
| <li>The subscription must already exist. |
| <li>The subscription timeout is read whenever a reader is started. However it is not checked |
| thereafter despite the timeout being user-changeable on-the-fly. |
| <li>We log vital stats every 30 seconds. |
| <li>Though some background threads may be used by the underlying transport all Pubsub calls are |
| blocking. We rely on the underlying runner to allow multiple <code>UnboundedSource.UnboundedReader</code> instances to execute concurrently and thus hide latency. |
| </ul></div> |
| <dl> |
| <dt><span class="seeLabel">See Also:</span></dt> |
| <dd><a href="../../../../../../../serialized-form.html#org.apache.beam.sdk.io.gcp.pubsub.PubsubUnboundedSource">Serialized Form</a></dd> |
| </dl> |
| </li> |
| </ul> |
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| <!-- =========== FIELD SUMMARY =========== --> |
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| <!-- --> |
| </a> |
| <h3>Fields inherited from class org.apache.beam.sdk.transforms.<a href="../../../../../../../org/apache/beam/sdk/transforms/PTransform.html" title="class in org.apache.beam.sdk.transforms">PTransform</a></h3> |
| <code><a href="../../../../../../../org/apache/beam/sdk/transforms/PTransform.html#name">name</a></code></li> |
| </ul> |
| </li> |
| </ul> |
| <!-- ======== CONSTRUCTOR SUMMARY ======== --> |
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| <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/beam/sdk/io/gcp/pubsub/PubsubUnboundedSource.html#PubsubUnboundedSource-com.google.api.client.util.Clock-org.apache.beam.sdk.io.gcp.pubsub.PubsubClient.PubsubClientFactory-org.apache.beam.sdk.options.ValueProvider-org.apache.beam.sdk.options.ValueProvider-org.apache.beam.sdk.options.ValueProvider-java.lang.String-java.lang.String-boolean-">PubsubUnboundedSource</a></span>(<a href="https://static.javadoc.io/com.google.http-client/google-http-client/1.34.0/com/google/api/client/util/Clock.html?is-external=true" title="class or interface in com.google.api.client.util">Clock</a> clock, |
| <a href="../../../../../../../org/apache/beam/sdk/io/gcp/pubsub/PubsubClient.PubsubClientFactory.html" title="interface in org.apache.beam.sdk.io.gcp.pubsub">PubsubClient.PubsubClientFactory</a> pubsubFactory, |
| <a href="../../../../../../../org/apache/beam/sdk/options/ValueProvider.html" title="interface in org.apache.beam.sdk.options">ValueProvider</a><<a href="../../../../../../../org/apache/beam/sdk/io/gcp/pubsub/PubsubClient.ProjectPath.html" title="class in org.apache.beam.sdk.io.gcp.pubsub">PubsubClient.ProjectPath</a>> project, |
| <a href="../../../../../../../org/apache/beam/sdk/options/ValueProvider.html" title="interface in org.apache.beam.sdk.options">ValueProvider</a><<a href="../../../../../../../org/apache/beam/sdk/io/gcp/pubsub/PubsubClient.TopicPath.html" title="class in org.apache.beam.sdk.io.gcp.pubsub">PubsubClient.TopicPath</a>> topic, |
| <a href="../../../../../../../org/apache/beam/sdk/options/ValueProvider.html" title="interface in org.apache.beam.sdk.options">ValueProvider</a><<a href="../../../../../../../org/apache/beam/sdk/io/gcp/pubsub/PubsubClient.SubscriptionPath.html" title="class in org.apache.beam.sdk.io.gcp.pubsub">PubsubClient.SubscriptionPath</a>> subscription, |
| java.lang.String timestampAttribute, |
| java.lang.String idAttribute, |
| boolean needsAttributes)</code> |
| <div class="block">Construct an unbounded source to consume from the Pubsub <code>subscription</code>.</div> |
| </td> |
| </tr> |
| <tr class="rowColor"> |
| <td class="colOne"><code><span class="memberNameLink"><a href="../../../../../../../org/apache/beam/sdk/io/gcp/pubsub/PubsubUnboundedSource.html#PubsubUnboundedSource-org.apache.beam.sdk.io.gcp.pubsub.PubsubClient.PubsubClientFactory-org.apache.beam.sdk.options.ValueProvider-org.apache.beam.sdk.options.ValueProvider-org.apache.beam.sdk.options.ValueProvider-java.lang.String-java.lang.String-boolean-">PubsubUnboundedSource</a></span>(<a href="../../../../../../../org/apache/beam/sdk/io/gcp/pubsub/PubsubClient.PubsubClientFactory.html" title="interface in org.apache.beam.sdk.io.gcp.pubsub">PubsubClient.PubsubClientFactory</a> pubsubFactory, |
| <a href="../../../../../../../org/apache/beam/sdk/options/ValueProvider.html" title="interface in org.apache.beam.sdk.options">ValueProvider</a><<a href="../../../../../../../org/apache/beam/sdk/io/gcp/pubsub/PubsubClient.ProjectPath.html" title="class in org.apache.beam.sdk.io.gcp.pubsub">PubsubClient.ProjectPath</a>> project, |
| <a href="../../../../../../../org/apache/beam/sdk/options/ValueProvider.html" title="interface in org.apache.beam.sdk.options">ValueProvider</a><<a href="../../../../../../../org/apache/beam/sdk/io/gcp/pubsub/PubsubClient.TopicPath.html" title="class in org.apache.beam.sdk.io.gcp.pubsub">PubsubClient.TopicPath</a>> topic, |
| <a href="../../../../../../../org/apache/beam/sdk/options/ValueProvider.html" title="interface in org.apache.beam.sdk.options">ValueProvider</a><<a href="../../../../../../../org/apache/beam/sdk/io/gcp/pubsub/PubsubClient.SubscriptionPath.html" title="class in org.apache.beam.sdk.io.gcp.pubsub">PubsubClient.SubscriptionPath</a>> subscription, |
| java.lang.String timestampAttribute, |
| java.lang.String idAttribute, |
| boolean needsAttributes)</code> |
| <div class="block">Construct an unbounded source to consume from the Pubsub <code>subscription</code>.</div> |
| </td> |
| </tr> |
| <tr class="altColor"> |
| <td class="colOne"><code><span class="memberNameLink"><a href="../../../../../../../org/apache/beam/sdk/io/gcp/pubsub/PubsubUnboundedSource.html#PubsubUnboundedSource-org.apache.beam.sdk.io.gcp.pubsub.PubsubClient.PubsubClientFactory-org.apache.beam.sdk.options.ValueProvider-org.apache.beam.sdk.options.ValueProvider-org.apache.beam.sdk.options.ValueProvider-java.lang.String-java.lang.String-boolean-boolean-">PubsubUnboundedSource</a></span>(<a href="../../../../../../../org/apache/beam/sdk/io/gcp/pubsub/PubsubClient.PubsubClientFactory.html" title="interface in org.apache.beam.sdk.io.gcp.pubsub">PubsubClient.PubsubClientFactory</a> pubsubFactory, |
| <a href="../../../../../../../org/apache/beam/sdk/options/ValueProvider.html" title="interface in org.apache.beam.sdk.options">ValueProvider</a><<a href="../../../../../../../org/apache/beam/sdk/io/gcp/pubsub/PubsubClient.ProjectPath.html" title="class in org.apache.beam.sdk.io.gcp.pubsub">PubsubClient.ProjectPath</a>> project, |
| <a href="../../../../../../../org/apache/beam/sdk/options/ValueProvider.html" title="interface in org.apache.beam.sdk.options">ValueProvider</a><<a href="../../../../../../../org/apache/beam/sdk/io/gcp/pubsub/PubsubClient.TopicPath.html" title="class in org.apache.beam.sdk.io.gcp.pubsub">PubsubClient.TopicPath</a>> topic, |
| <a href="../../../../../../../org/apache/beam/sdk/options/ValueProvider.html" title="interface in org.apache.beam.sdk.options">ValueProvider</a><<a href="../../../../../../../org/apache/beam/sdk/io/gcp/pubsub/PubsubClient.SubscriptionPath.html" title="class in org.apache.beam.sdk.io.gcp.pubsub">PubsubClient.SubscriptionPath</a>> subscription, |
| java.lang.String timestampAttribute, |
| java.lang.String idAttribute, |
| boolean needsAttributes, |
| boolean needsMessageId)</code> |
| <div class="block">Construct an unbounded source to consume from the Pubsub <code>subscription</code>.</div> |
| </td> |
| </tr> |
| </table> |
| </li> |
| </ul> |
| <!-- ========== METHOD SUMMARY =========== --> |
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| <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/beam/sdk/values/PCollection.html" title="class in org.apache.beam.sdk.values">PCollection</a><<a href="../../../../../../../org/apache/beam/sdk/io/gcp/pubsub/PubsubMessage.html" title="class in org.apache.beam.sdk.io.gcp.pubsub">PubsubMessage</a>></code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../../org/apache/beam/sdk/io/gcp/pubsub/PubsubUnboundedSource.html#expand-org.apache.beam.sdk.values.PBegin-">expand</a></span>(<a href="../../../../../../../org/apache/beam/sdk/values/PBegin.html" title="class in org.apache.beam.sdk.values">PBegin</a> input)</code> |
| <div class="block">Override this method to specify how this <code>PTransform</code> should be expanded on the given |
| <code>InputT</code>.</div> |
| </td> |
| </tr> |
| <tr id="i1" class="rowColor"> |
| <td class="colFirst"><code>java.lang.String</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../../org/apache/beam/sdk/io/gcp/pubsub/PubsubUnboundedSource.html#getIdAttribute--">getIdAttribute</a></span>()</code> |
| <div class="block">Get the id attribute.</div> |
| </td> |
| </tr> |
| <tr id="i2" class="altColor"> |
| <td class="colFirst"><code>boolean</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../../org/apache/beam/sdk/io/gcp/pubsub/PubsubUnboundedSource.html#getNeedsAttributes--">getNeedsAttributes</a></span>()</code> </td> |
| </tr> |
| <tr id="i3" class="rowColor"> |
| <td class="colFirst"><code>boolean</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../../org/apache/beam/sdk/io/gcp/pubsub/PubsubUnboundedSource.html#getNeedsMessageId--">getNeedsMessageId</a></span>()</code> </td> |
| </tr> |
| <tr id="i4" class="altColor"> |
| <td class="colFirst"><code><a href="../../../../../../../org/apache/beam/sdk/io/gcp/pubsub/PubsubClient.ProjectPath.html" title="class in org.apache.beam.sdk.io.gcp.pubsub">PubsubClient.ProjectPath</a></code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../../org/apache/beam/sdk/io/gcp/pubsub/PubsubUnboundedSource.html#getProject--">getProject</a></span>()</code> |
| <div class="block">Get the project path.</div> |
| </td> |
| </tr> |
| <tr id="i5" class="rowColor"> |
| <td class="colFirst"><code><a href="../../../../../../../org/apache/beam/sdk/io/gcp/pubsub/PubsubClient.SubscriptionPath.html" title="class in org.apache.beam.sdk.io.gcp.pubsub">PubsubClient.SubscriptionPath</a></code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../../org/apache/beam/sdk/io/gcp/pubsub/PubsubUnboundedSource.html#getSubscription--">getSubscription</a></span>()</code> |
| <div class="block">Get the subscription being read from.</div> |
| </td> |
| </tr> |
| <tr id="i6" class="altColor"> |
| <td class="colFirst"><code><a href="../../../../../../../org/apache/beam/sdk/options/ValueProvider.html" title="interface in org.apache.beam.sdk.options">ValueProvider</a><<a href="../../../../../../../org/apache/beam/sdk/io/gcp/pubsub/PubsubClient.SubscriptionPath.html" title="class in org.apache.beam.sdk.io.gcp.pubsub">PubsubClient.SubscriptionPath</a>></code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../../org/apache/beam/sdk/io/gcp/pubsub/PubsubUnboundedSource.html#getSubscriptionProvider--">getSubscriptionProvider</a></span>()</code> |
| <div class="block">Get the <a href="../../../../../../../org/apache/beam/sdk/options/ValueProvider.html" title="interface in org.apache.beam.sdk.options"><code>ValueProvider</code></a> for the subscription being read from.</div> |
| </td> |
| </tr> |
| <tr id="i7" class="rowColor"> |
| <td class="colFirst"><code>java.lang.String</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../../org/apache/beam/sdk/io/gcp/pubsub/PubsubUnboundedSource.html#getTimestampAttribute--">getTimestampAttribute</a></span>()</code> |
| <div class="block">Get the timestamp attribute.</div> |
| </td> |
| </tr> |
| <tr id="i8" class="altColor"> |
| <td class="colFirst"><code><a href="../../../../../../../org/apache/beam/sdk/io/gcp/pubsub/PubsubClient.TopicPath.html" title="class in org.apache.beam.sdk.io.gcp.pubsub">PubsubClient.TopicPath</a></code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../../org/apache/beam/sdk/io/gcp/pubsub/PubsubUnboundedSource.html#getTopic--">getTopic</a></span>()</code> |
| <div class="block">Get the topic being read from.</div> |
| </td> |
| </tr> |
| <tr id="i9" class="rowColor"> |
| <td class="colFirst"><code><a href="../../../../../../../org/apache/beam/sdk/options/ValueProvider.html" title="interface in org.apache.beam.sdk.options">ValueProvider</a><<a href="../../../../../../../org/apache/beam/sdk/io/gcp/pubsub/PubsubClient.TopicPath.html" title="class in org.apache.beam.sdk.io.gcp.pubsub">PubsubClient.TopicPath</a>></code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../../org/apache/beam/sdk/io/gcp/pubsub/PubsubUnboundedSource.html#getTopicProvider--">getTopicProvider</a></span>()</code> |
| <div class="block">Get the <a href="../../../../../../../org/apache/beam/sdk/options/ValueProvider.html" title="interface in org.apache.beam.sdk.options"><code>ValueProvider</code></a> for the topic being read from.</div> |
| </td> |
| </tr> |
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| </a> |
| <h3>Methods inherited from class org.apache.beam.sdk.transforms.<a href="../../../../../../../org/apache/beam/sdk/transforms/PTransform.html" title="class in org.apache.beam.sdk.transforms">PTransform</a></h3> |
| <code><a href="../../../../../../../org/apache/beam/sdk/transforms/PTransform.html#compose-org.apache.beam.sdk.transforms.SerializableFunction-">compose</a>, <a href="../../../../../../../org/apache/beam/sdk/transforms/PTransform.html#compose-java.lang.String-org.apache.beam.sdk.transforms.SerializableFunction-">compose</a>, <a href="../../../../../../../org/apache/beam/sdk/transforms/PTransform.html#getAdditionalInputs--">getAdditionalInputs</a>, <a href="../../../../../../../org/apache/beam/sdk/transforms/PTransform.html#getDefaultOutputCoder--">getDefaultOutputCoder</a>, <a href="../../../../../../../org/apache/beam/sdk/transforms/PTransform.html#getDefaultOutputCoder-InputT-">getDefaultOutputCoder</a>, <a href="../../../../../../../org/apache/beam/sdk/transforms/PTransform.html#getDefaultOutputCoder-InputT-org.apache.beam.sdk.values.PCollection-">getDefaultOutputCoder</a>, <a href="../../../../../../../org/apache/beam/sdk/transforms/PTransform.html#getKindString--">getKindString</a>, <a href="../../../../../../../org/apache/beam/sdk/transforms/PTransform.html#getName--">getName</a>, <a href="../../../../../../../org/apache/beam/sdk/transforms/PTransform.html#populateDisplayData-org.apache.beam.sdk.transforms.display.DisplayData.Builder-">populateDisplayData</a>, <a href="../../../../../../../org/apache/beam/sdk/transforms/PTransform.html#toString--">toString</a>, <a href="../../../../../../../org/apache/beam/sdk/transforms/PTransform.html#validate-org.apache.beam.sdk.options.PipelineOptions-">validate</a></code></li> |
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| <h3>Methods inherited from class java.lang.Object</h3> |
| <code>clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait</code></li> |
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| <a name="PubsubUnboundedSource-org.apache.beam.sdk.io.gcp.pubsub.PubsubClient.PubsubClientFactory-org.apache.beam.sdk.options.ValueProvider-org.apache.beam.sdk.options.ValueProvider-org.apache.beam.sdk.options.ValueProvider-java.lang.String-java.lang.String-boolean-"> |
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| <pre>public PubsubUnboundedSource(<a href="../../../../../../../org/apache/beam/sdk/io/gcp/pubsub/PubsubClient.PubsubClientFactory.html" title="interface in org.apache.beam.sdk.io.gcp.pubsub">PubsubClient.PubsubClientFactory</a> pubsubFactory, |
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| <a href="../../../../../../../org/apache/beam/sdk/options/ValueProvider.html" title="interface in org.apache.beam.sdk.options">ValueProvider</a><<a href="../../../../../../../org/apache/beam/sdk/io/gcp/pubsub/PubsubClient.ProjectPath.html" title="class in org.apache.beam.sdk.io.gcp.pubsub">PubsubClient.ProjectPath</a>> project, |
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| <a href="../../../../../../../org/apache/beam/sdk/options/ValueProvider.html" title="interface in org.apache.beam.sdk.options">ValueProvider</a><<a href="../../../../../../../org/apache/beam/sdk/io/gcp/pubsub/PubsubClient.TopicPath.html" title="class in org.apache.beam.sdk.io.gcp.pubsub">PubsubClient.TopicPath</a>> topic, |
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| <a href="../../../../../../../org/apache/beam/sdk/options/ValueProvider.html" title="interface in org.apache.beam.sdk.options">ValueProvider</a><<a href="../../../../../../../org/apache/beam/sdk/io/gcp/pubsub/PubsubClient.SubscriptionPath.html" title="class in org.apache.beam.sdk.io.gcp.pubsub">PubsubClient.SubscriptionPath</a>> subscription, |
| <a href="https://static.javadoc.io/com.google.code.findbugs/jsr305/3.0.2/javax/annotation/Nullable.html?is-external=true" title="class or interface in javax.annotation">@Nullable</a> |
| java.lang.String timestampAttribute, |
| <a href="https://static.javadoc.io/com.google.code.findbugs/jsr305/3.0.2/javax/annotation/Nullable.html?is-external=true" title="class or interface in javax.annotation">@Nullable</a> |
| java.lang.String idAttribute, |
| boolean needsAttributes)</pre> |
| <div class="block">Construct an unbounded source to consume from the Pubsub <code>subscription</code>.</div> |
| </li> |
| </ul> |
| <a name="PubsubUnboundedSource-com.google.api.client.util.Clock-org.apache.beam.sdk.io.gcp.pubsub.PubsubClient.PubsubClientFactory-org.apache.beam.sdk.options.ValueProvider-org.apache.beam.sdk.options.ValueProvider-org.apache.beam.sdk.options.ValueProvider-java.lang.String-java.lang.String-boolean-"> |
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| <h4>PubsubUnboundedSource</h4> |
| <pre>public PubsubUnboundedSource(<a href="https://static.javadoc.io/com.google.http-client/google-http-client/1.34.0/com/google/api/client/util/Clock.html?is-external=true" title="class or interface in com.google.api.client.util">Clock</a> clock, |
| <a href="../../../../../../../org/apache/beam/sdk/io/gcp/pubsub/PubsubClient.PubsubClientFactory.html" title="interface in org.apache.beam.sdk.io.gcp.pubsub">PubsubClient.PubsubClientFactory</a> pubsubFactory, |
| <a href="https://static.javadoc.io/com.google.code.findbugs/jsr305/3.0.2/javax/annotation/Nullable.html?is-external=true" title="class or interface in javax.annotation">@Nullable</a> |
| <a href="../../../../../../../org/apache/beam/sdk/options/ValueProvider.html" title="interface in org.apache.beam.sdk.options">ValueProvider</a><<a href="../../../../../../../org/apache/beam/sdk/io/gcp/pubsub/PubsubClient.ProjectPath.html" title="class in org.apache.beam.sdk.io.gcp.pubsub">PubsubClient.ProjectPath</a>> project, |
| <a href="https://static.javadoc.io/com.google.code.findbugs/jsr305/3.0.2/javax/annotation/Nullable.html?is-external=true" title="class or interface in javax.annotation">@Nullable</a> |
| <a href="../../../../../../../org/apache/beam/sdk/options/ValueProvider.html" title="interface in org.apache.beam.sdk.options">ValueProvider</a><<a href="../../../../../../../org/apache/beam/sdk/io/gcp/pubsub/PubsubClient.TopicPath.html" title="class in org.apache.beam.sdk.io.gcp.pubsub">PubsubClient.TopicPath</a>> topic, |
| <a href="https://static.javadoc.io/com.google.code.findbugs/jsr305/3.0.2/javax/annotation/Nullable.html?is-external=true" title="class or interface in javax.annotation">@Nullable</a> |
| <a href="../../../../../../../org/apache/beam/sdk/options/ValueProvider.html" title="interface in org.apache.beam.sdk.options">ValueProvider</a><<a href="../../../../../../../org/apache/beam/sdk/io/gcp/pubsub/PubsubClient.SubscriptionPath.html" title="class in org.apache.beam.sdk.io.gcp.pubsub">PubsubClient.SubscriptionPath</a>> subscription, |
| <a href="https://static.javadoc.io/com.google.code.findbugs/jsr305/3.0.2/javax/annotation/Nullable.html?is-external=true" title="class or interface in javax.annotation">@Nullable</a> |
| java.lang.String timestampAttribute, |
| <a href="https://static.javadoc.io/com.google.code.findbugs/jsr305/3.0.2/javax/annotation/Nullable.html?is-external=true" title="class or interface in javax.annotation">@Nullable</a> |
| java.lang.String idAttribute, |
| boolean needsAttributes)</pre> |
| <div class="block">Construct an unbounded source to consume from the Pubsub <code>subscription</code>.</div> |
| </li> |
| </ul> |
| <a name="PubsubUnboundedSource-org.apache.beam.sdk.io.gcp.pubsub.PubsubClient.PubsubClientFactory-org.apache.beam.sdk.options.ValueProvider-org.apache.beam.sdk.options.ValueProvider-org.apache.beam.sdk.options.ValueProvider-java.lang.String-java.lang.String-boolean-boolean-"> |
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| <h4>PubsubUnboundedSource</h4> |
| <pre>public PubsubUnboundedSource(<a href="../../../../../../../org/apache/beam/sdk/io/gcp/pubsub/PubsubClient.PubsubClientFactory.html" title="interface in org.apache.beam.sdk.io.gcp.pubsub">PubsubClient.PubsubClientFactory</a> pubsubFactory, |
| <a href="https://static.javadoc.io/com.google.code.findbugs/jsr305/3.0.2/javax/annotation/Nullable.html?is-external=true" title="class or interface in javax.annotation">@Nullable</a> |
| <a href="../../../../../../../org/apache/beam/sdk/options/ValueProvider.html" title="interface in org.apache.beam.sdk.options">ValueProvider</a><<a href="../../../../../../../org/apache/beam/sdk/io/gcp/pubsub/PubsubClient.ProjectPath.html" title="class in org.apache.beam.sdk.io.gcp.pubsub">PubsubClient.ProjectPath</a>> project, |
| <a href="https://static.javadoc.io/com.google.code.findbugs/jsr305/3.0.2/javax/annotation/Nullable.html?is-external=true" title="class or interface in javax.annotation">@Nullable</a> |
| <a href="../../../../../../../org/apache/beam/sdk/options/ValueProvider.html" title="interface in org.apache.beam.sdk.options">ValueProvider</a><<a href="../../../../../../../org/apache/beam/sdk/io/gcp/pubsub/PubsubClient.TopicPath.html" title="class in org.apache.beam.sdk.io.gcp.pubsub">PubsubClient.TopicPath</a>> topic, |
| <a href="https://static.javadoc.io/com.google.code.findbugs/jsr305/3.0.2/javax/annotation/Nullable.html?is-external=true" title="class or interface in javax.annotation">@Nullable</a> |
| <a href="../../../../../../../org/apache/beam/sdk/options/ValueProvider.html" title="interface in org.apache.beam.sdk.options">ValueProvider</a><<a href="../../../../../../../org/apache/beam/sdk/io/gcp/pubsub/PubsubClient.SubscriptionPath.html" title="class in org.apache.beam.sdk.io.gcp.pubsub">PubsubClient.SubscriptionPath</a>> subscription, |
| <a href="https://static.javadoc.io/com.google.code.findbugs/jsr305/3.0.2/javax/annotation/Nullable.html?is-external=true" title="class or interface in javax.annotation">@Nullable</a> |
| java.lang.String timestampAttribute, |
| <a href="https://static.javadoc.io/com.google.code.findbugs/jsr305/3.0.2/javax/annotation/Nullable.html?is-external=true" title="class or interface in javax.annotation">@Nullable</a> |
| java.lang.String idAttribute, |
| boolean needsAttributes, |
| boolean needsMessageId)</pre> |
| <div class="block">Construct an unbounded source to consume from the Pubsub <code>subscription</code>.</div> |
| </li> |
| </ul> |
| </li> |
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| <!-- ============ METHOD DETAIL ========== --> |
| <ul class="blockList"> |
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| <h3>Method Detail</h3> |
| <a name="getProject--"> |
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| <h4>getProject</h4> |
| <pre><a href="https://static.javadoc.io/com.google.code.findbugs/jsr305/3.0.2/javax/annotation/Nullable.html?is-external=true" title="class or interface in javax.annotation">@Nullable</a> |
| public <a href="../../../../../../../org/apache/beam/sdk/io/gcp/pubsub/PubsubClient.ProjectPath.html" title="class in org.apache.beam.sdk.io.gcp.pubsub">PubsubClient.ProjectPath</a> getProject()</pre> |
| <div class="block">Get the project path.</div> |
| </li> |
| </ul> |
| <a name="getTopic--"> |
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| </a> |
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| <h4>getTopic</h4> |
| <pre><a href="https://static.javadoc.io/com.google.code.findbugs/jsr305/3.0.2/javax/annotation/Nullable.html?is-external=true" title="class or interface in javax.annotation">@Nullable</a> |
| public <a href="../../../../../../../org/apache/beam/sdk/io/gcp/pubsub/PubsubClient.TopicPath.html" title="class in org.apache.beam.sdk.io.gcp.pubsub">PubsubClient.TopicPath</a> getTopic()</pre> |
| <div class="block">Get the topic being read from.</div> |
| </li> |
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| <a name="getTopicProvider--"> |
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| <h4>getTopicProvider</h4> |
| <pre><a href="https://static.javadoc.io/com.google.code.findbugs/jsr305/3.0.2/javax/annotation/Nullable.html?is-external=true" title="class or interface in javax.annotation">@Nullable</a> |
| public <a href="../../../../../../../org/apache/beam/sdk/options/ValueProvider.html" title="interface in org.apache.beam.sdk.options">ValueProvider</a><<a href="../../../../../../../org/apache/beam/sdk/io/gcp/pubsub/PubsubClient.TopicPath.html" title="class in org.apache.beam.sdk.io.gcp.pubsub">PubsubClient.TopicPath</a>> getTopicProvider()</pre> |
| <div class="block">Get the <a href="../../../../../../../org/apache/beam/sdk/options/ValueProvider.html" title="interface in org.apache.beam.sdk.options"><code>ValueProvider</code></a> for the topic being read from.</div> |
| </li> |
| </ul> |
| <a name="getSubscription--"> |
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| <h4>getSubscription</h4> |
| <pre><a href="https://static.javadoc.io/com.google.code.findbugs/jsr305/3.0.2/javax/annotation/Nullable.html?is-external=true" title="class or interface in javax.annotation">@Nullable</a> |
| public <a href="../../../../../../../org/apache/beam/sdk/io/gcp/pubsub/PubsubClient.SubscriptionPath.html" title="class in org.apache.beam.sdk.io.gcp.pubsub">PubsubClient.SubscriptionPath</a> getSubscription()</pre> |
| <div class="block">Get the subscription being read from.</div> |
| </li> |
| </ul> |
| <a name="getSubscriptionProvider--"> |
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| </a> |
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| <h4>getSubscriptionProvider</h4> |
| <pre><a href="https://static.javadoc.io/com.google.code.findbugs/jsr305/3.0.2/javax/annotation/Nullable.html?is-external=true" title="class or interface in javax.annotation">@Nullable</a> |
| public <a href="../../../../../../../org/apache/beam/sdk/options/ValueProvider.html" title="interface in org.apache.beam.sdk.options">ValueProvider</a><<a href="../../../../../../../org/apache/beam/sdk/io/gcp/pubsub/PubsubClient.SubscriptionPath.html" title="class in org.apache.beam.sdk.io.gcp.pubsub">PubsubClient.SubscriptionPath</a>> getSubscriptionProvider()</pre> |
| <div class="block">Get the <a href="../../../../../../../org/apache/beam/sdk/options/ValueProvider.html" title="interface in org.apache.beam.sdk.options"><code>ValueProvider</code></a> for the subscription being read from.</div> |
| </li> |
| </ul> |
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| <h4>getTimestampAttribute</h4> |
| <pre><a href="https://static.javadoc.io/com.google.code.findbugs/jsr305/3.0.2/javax/annotation/Nullable.html?is-external=true" title="class or interface in javax.annotation">@Nullable</a> |
| public java.lang.String getTimestampAttribute()</pre> |
| <div class="block">Get the timestamp attribute.</div> |
| </li> |
| </ul> |
| <a name="getIdAttribute--"> |
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| <h4>getIdAttribute</h4> |
| <pre><a href="https://static.javadoc.io/com.google.code.findbugs/jsr305/3.0.2/javax/annotation/Nullable.html?is-external=true" title="class or interface in javax.annotation">@Nullable</a> |
| public java.lang.String getIdAttribute()</pre> |
| <div class="block">Get the id attribute.</div> |
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| <h4>getNeedsAttributes</h4> |
| <pre>public boolean getNeedsAttributes()</pre> |
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| <h4>getNeedsMessageId</h4> |
| <pre>public boolean getNeedsMessageId()</pre> |
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| <a name="expand-org.apache.beam.sdk.values.PBegin-"> |
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| </a> |
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| <h4>expand</h4> |
| <pre>public <a href="../../../../../../../org/apache/beam/sdk/values/PCollection.html" title="class in org.apache.beam.sdk.values">PCollection</a><<a href="../../../../../../../org/apache/beam/sdk/io/gcp/pubsub/PubsubMessage.html" title="class in org.apache.beam.sdk.io.gcp.pubsub">PubsubMessage</a>> expand(<a href="../../../../../../../org/apache/beam/sdk/values/PBegin.html" title="class in org.apache.beam.sdk.values">PBegin</a> input)</pre> |
| <div class="block"><span class="descfrmTypeLabel">Description copied from class: <code><a href="../../../../../../../org/apache/beam/sdk/transforms/PTransform.html#expand-InputT-">PTransform</a></code></span></div> |
| <div class="block">Override this method to specify how this <code>PTransform</code> should be expanded on the given |
| <code>InputT</code>. |
| |
| <p>NOTE: This method should not be called directly. Instead apply the <code>PTransform</code> should |
| be applied to the <code>InputT</code> using the <code>apply</code> method. |
| |
| <p>Composite transforms, which are defined in terms of other transforms, should return the |
| output of one of the composed transforms. Non-composite transforms, which do not apply any |
| transforms internally, should return a new unbound output and register evaluators (via |
| backend-specific registration methods).</div> |
| <dl> |
| <dt><span class="overrideSpecifyLabel">Specified by:</span></dt> |
| <dd><code><a href="../../../../../../../org/apache/beam/sdk/transforms/PTransform.html#expand-InputT-">expand</a></code> in class <code><a href="../../../../../../../org/apache/beam/sdk/transforms/PTransform.html" title="class in org.apache.beam.sdk.transforms">PTransform</a><<a href="../../../../../../../org/apache/beam/sdk/values/PBegin.html" title="class in org.apache.beam.sdk.values">PBegin</a>,<a href="../../../../../../../org/apache/beam/sdk/values/PCollection.html" title="class in org.apache.beam.sdk.values">PCollection</a><<a href="../../../../../../../org/apache/beam/sdk/io/gcp/pubsub/PubsubMessage.html" title="class in org.apache.beam.sdk.io.gcp.pubsub">PubsubMessage</a>>></code></dd> |
| </dl> |
| </li> |
| </ul> |
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