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| <div class="subTitle">org.apache.beam.sdk.io.aws.sqs</div> |
| <h2 title="Class SqsIO" class="title">Class SqsIO</h2> |
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| <ul class="inheritance"> |
| <li>java.lang.Object</li> |
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| <li>org.apache.beam.sdk.io.aws.sqs.SqsIO</li> |
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| <pre><a href="../../../../../../../org/apache/beam/sdk/annotations/Experimental.html" title="annotation in org.apache.beam.sdk.annotations">@Experimental</a>(<a href="../../../../../../../org/apache/beam/sdk/annotations/Experimental.html#value--">value</a>=<a href="../../../../../../../org/apache/beam/sdk/annotations/Experimental.Kind.html#SOURCE_SINK">SOURCE_SINK</a>) |
| public class <span class="typeNameLabel">SqsIO</span> |
| extends java.lang.Object</pre> |
| <div class="block">An unbounded source for Amazon Simple Queue Service (SQS). |
| |
| <h3>Reading from an SQS queue</h3> |
| |
| <p>The <a href="../../../../../../../org/apache/beam/sdk/io/aws/sqs/SqsIO.html" title="class in org.apache.beam.sdk.io.aws.sqs"><code>SqsIO</code></a> <a href="../../../../../../../org/apache/beam/sdk/io/aws/sqs/SqsIO.Read.html" title="class in org.apache.beam.sdk.io.aws.sqs"><code>SqsIO.Read</code></a> returns an unbounded <a href="../../../../../../../org/apache/beam/sdk/values/PCollection.html" title="class in org.apache.beam.sdk.values"><code>PCollection</code></a> of <a href="https://static.javadoc.io/com.amazonaws/aws-java-sdk-sqs/1.11.519/com/amazonaws/services/sqs/model/Message.html?is-external=true" title="class or interface in com.amazonaws.services.sqs.model"><code>Message</code></a> containing the received messages. Note: This source |
| does not currently advance the watermark when no new messages are received. |
| |
| <p>To configure an SQS source, you have to provide the queueUrl to connect to. The following |
| example illustrates how to configure the source: |
| |
| <pre><code> |
| pipeline.apply(SqsIO.read().withQueueUrl(queueUrl)) |
| </code></pre> |
| |
| <h3>Writing to an SQS queue</h3> |
| |
| <p>The following example illustrates how to use the sink: |
| |
| <pre><code> |
| pipeline |
| .apply(...) // returns PCollection<SendMessageRequest> |
| .apply(SqsIO.write()) |
| </code></pre> |
| |
| <h3>Additional Configuration</h3> |
| |
| <p>Additional configuration can be provided via <a href="../../../../../../../org/apache/beam/sdk/io/aws/options/AwsOptions.html" title="interface in org.apache.beam.sdk.io.aws.options"><code>AwsOptions</code></a> from command line args or in |
| code. For example, if you wanted to provide a secret access key via code: |
| |
| <pre><code> |
| PipelineOptions pipelineOptions = PipelineOptionsFactory.fromArgs(args).withValidation().create(); |
| AwsOptions awsOptions = pipelineOptions.as(AwsOptions.class); |
| BasicAWSCredentials awsCreds = new BasicAWSCredentials("accesskey", "secretkey"); |
| awsOptions.setAwsCredentialsProvider(new AWSStaticCredentialsProvider(awsCreds)); |
| Pipeline pipeline = Pipeline.create(options); |
| </code></pre> |
| |
| <p>For more information on the available options see <a href="../../../../../../../org/apache/beam/sdk/io/aws/options/AwsOptions.html" title="interface in org.apache.beam.sdk.io.aws.options"><code>AwsOptions</code></a>.</div> |
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| <td class="colFirst"><code>static class </code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../../org/apache/beam/sdk/io/aws/sqs/SqsIO.Read.html" title="class in org.apache.beam.sdk.io.aws.sqs">SqsIO.Read</a></span></code> |
| <div class="block">A <a href="../../../../../../../org/apache/beam/sdk/transforms/PTransform.html" title="class in org.apache.beam.sdk.transforms"><code>PTransform</code></a> to read/receive messages from SQS.</div> |
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| <td class="colFirst"><code>static class </code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../../org/apache/beam/sdk/io/aws/sqs/SqsIO.Write.html" title="class in org.apache.beam.sdk.io.aws.sqs">SqsIO.Write</a></span></code> |
| <div class="block">A <a href="../../../../../../../org/apache/beam/sdk/transforms/PTransform.html" title="class in org.apache.beam.sdk.transforms"><code>PTransform</code></a> to send messages to SQS.</div> |
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| <td class="colFirst"><code>static <a href="../../../../../../../org/apache/beam/sdk/io/aws/sqs/SqsIO.Read.html" title="class in org.apache.beam.sdk.io.aws.sqs">SqsIO.Read</a></code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../../org/apache/beam/sdk/io/aws/sqs/SqsIO.html#read--">read</a></span>()</code> </td> |
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| <td class="colFirst"><code>static <a href="../../../../../../../org/apache/beam/sdk/io/aws/sqs/SqsIO.Write.html" title="class in org.apache.beam.sdk.io.aws.sqs">SqsIO.Write</a></code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../../org/apache/beam/sdk/io/aws/sqs/SqsIO.html#write--">write</a></span>()</code> </td> |
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| <h4>read</h4> |
| <pre>public static <a href="../../../../../../../org/apache/beam/sdk/io/aws/sqs/SqsIO.Read.html" title="class in org.apache.beam.sdk.io.aws.sqs">SqsIO.Read</a> read()</pre> |
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| <pre>public static <a href="../../../../../../../org/apache/beam/sdk/io/aws/sqs/SqsIO.Write.html" title="class in org.apache.beam.sdk.io.aws.sqs">SqsIO.Write</a> write()</pre> |
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