org.apache.beam.sdk.io.aws2.dynamodb

Class DynamoDBIO.Read<T>

java.lang.Object

org.apache.beam.sdk.transforms.PTransform<org.apache.beam.sdk.values.PBegin,org.apache.beam.sdk.values.PCollection<T>>

org.apache.beam.sdk.io.aws2.dynamodb.DynamoDBIO.Read<T>

All Implemented Interfaces:

java.io.Serializable, org.apache.beam.sdk.transforms.display.HasDisplayData

Enclosing class:

DynamoDBIO

public abstract static class DynamoDBIO.Read<T>
extends org.apache.beam.sdk.transforms.PTransform<org.apache.beam.sdk.values.PBegin,org.apache.beam.sdk.values.PCollection<T>>

Read data from DynamoDB and return ScanResult.

See Also:

Serialized Form

Field Summary

Fields inherited from class org.apache.beam.sdk.transforms.PTransform

name, resourceHints

Constructor Summary

Constructors

Constructor and Description
Read()

Method Summary

Modifier and Type	Method and Description
org.apache.beam.sdk.values.PCollection<T>	expand(org.apache.beam.sdk.values.PBegin input)
DynamoDBIO.Read<java.util.List<java.util.Map<java.lang.String,software.amazon.awssdk.services.dynamodb.model.AttributeValue>>>	items()
DynamoDBIO.Read<T>	withCoder(org.apache.beam.sdk.coders.Coder<T> coder)
DynamoDBIO.Read<T>	withDynamoDbClientProvider(software.amazon.awssdk.auth.credentials.AwsCredentialsProvider credentialsProvider, java.lang.String region)
DynamoDBIO.Read<T>	withDynamoDbClientProvider(software.amazon.awssdk.auth.credentials.AwsCredentialsProvider credentialsProvider, java.lang.String region, java.net.URI serviceEndpoint)
DynamoDBIO.Read<T>	withDynamoDbClientProvider(DynamoDbClientProvider dynamoDbClientProvider)
DynamoDBIO.Read<T>	withScanRequestFn(org.apache.beam.sdk.transforms.SerializableFunction<java.lang.Void,software.amazon.awssdk.services.dynamodb.model.ScanRequest> fn) Can't pass ScanRequest object directly from client since this object is not full serializable.
DynamoDBIO.Read<T>	withScanResponseMapperFn(org.apache.beam.sdk.transforms.SerializableFunction<software.amazon.awssdk.services.dynamodb.model.ScanResponse,T> scanResultMapperFn)

Methods inherited from class org.apache.beam.sdk.transforms.PTransform

compose, compose, getAdditionalInputs, getDefaultOutputCoder, getDefaultOutputCoder, getDefaultOutputCoder, getKindString, getName, getResourceHints, populateDisplayData, setResourceHints, toString, validate

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait

Constructor Detail

Read

public Read()

Method Detail

withDynamoDbClientProvider

public DynamoDBIO.Read<T> withDynamoDbClientProvider(DynamoDbClientProvider dynamoDbClientProvider)

withDynamoDbClientProvider

public DynamoDBIO.Read<T> withDynamoDbClientProvider(software.amazon.awssdk.auth.credentials.AwsCredentialsProvider credentialsProvider,
                                                     java.lang.String region,
                                                     java.net.URI serviceEndpoint)

withDynamoDbClientProvider

public DynamoDBIO.Read<T> withDynamoDbClientProvider(software.amazon.awssdk.auth.credentials.AwsCredentialsProvider credentialsProvider,
                                                     java.lang.String region)

withScanRequestFn

public DynamoDBIO.Read<T> withScanRequestFn(org.apache.beam.sdk.transforms.SerializableFunction<java.lang.Void,software.amazon.awssdk.services.dynamodb.model.ScanRequest> fn)

Can't pass ScanRequest object directly from client since this object is not full serializable.

withScanResponseMapperFn

public DynamoDBIO.Read<T> withScanResponseMapperFn(org.apache.beam.sdk.transforms.SerializableFunction<software.amazon.awssdk.services.dynamodb.model.ScanResponse,T> scanResultMapperFn)

items

public DynamoDBIO.Read<java.util.List<java.util.Map<java.lang.String,software.amazon.awssdk.services.dynamodb.model.AttributeValue>>> items()

withCoder

public DynamoDBIO.Read<T> withCoder(org.apache.beam.sdk.coders.Coder<T> coder)

expand

public org.apache.beam.sdk.values.PCollection<T> expand(org.apache.beam.sdk.values.PBegin input)

Specified by:

expand in class org.apache.beam.sdk.transforms.PTransform<org.apache.beam.sdk.values.PBegin,org.apache.beam.sdk.values.PCollection<T>>