org.apache.beam.sdk.io.aws.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.aws.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

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,com.amazonaws.services.dynamodbv2.model.AttributeValue>>>	items()
DynamoDBIO.Read<T>	withAwsClientsProvider(AwsClientsProvider awsClientsProvider)
DynamoDBIO.Read<T>	withAwsClientsProvider(java.lang.String awsAccessKey, java.lang.String awsSecretKey, com.amazonaws.regions.Regions region)
DynamoDBIO.Read<T>	withAwsClientsProvider(java.lang.String awsAccessKey, java.lang.String awsSecretKey, com.amazonaws.regions.Regions region, java.lang.String serviceEndpoint)
DynamoDBIO.Read<T>	withCoder(org.apache.beam.sdk.coders.Coder<T> coder)
DynamoDBIO.Read<T>	withScanRequestFn(org.apache.beam.sdk.transforms.SerializableFunction<java.lang.Void,com.amazonaws.services.dynamodbv2.model.ScanRequest> fn) Can't pass ScanRequest object directly from client since this object is not full serializable.
DynamoDBIO.Read<T>	withScanResultMapperFn(org.apache.beam.sdk.transforms.SerializableFunction<com.amazonaws.services.dynamodbv2.model.ScanResult,T> scanResultMapperFn)

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

compose, compose, getAdditionalInputs, getDefaultOutputCoder, getDefaultOutputCoder, getDefaultOutputCoder, getKindString, getName, populateDisplayData, 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

withAwsClientsProvider

public DynamoDBIO.Read<T> withAwsClientsProvider(AwsClientsProvider awsClientsProvider)

withAwsClientsProvider

public DynamoDBIO.Read<T> withAwsClientsProvider(java.lang.String awsAccessKey,
                                                 java.lang.String awsSecretKey,
                                                 com.amazonaws.regions.Regions region,
                                                 java.lang.String serviceEndpoint)

withAwsClientsProvider

public DynamoDBIO.Read<T> withAwsClientsProvider(java.lang.String awsAccessKey,
                                                 java.lang.String awsSecretKey,
                                                 com.amazonaws.regions.Regions region)

withScanRequestFn

public DynamoDBIO.Read<T> withScanRequestFn(org.apache.beam.sdk.transforms.SerializableFunction<java.lang.Void,com.amazonaws.services.dynamodbv2.model.ScanRequest> fn)

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

withScanResultMapperFn

public DynamoDBIO.Read<T> withScanResultMapperFn(org.apache.beam.sdk.transforms.SerializableFunction<com.amazonaws.services.dynamodbv2.model.ScanResult,T> scanResultMapperFn)

items

public DynamoDBIO.Read<java.util.List<java.util.Map<java.lang.String,com.amazonaws.services.dynamodbv2.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>>