org.apache.beam.sdk.io.gcp.bigquery

Class TableRowToStorageApiProto

java.lang.Object

org.apache.beam.sdk.io.gcp.bigquery.TableRowToStorageApiProto

public class TableRowToStorageApiProto
extends java.lang.Object

Utility methods for converting JSON TableRow objects to dynamic protocol message, for use with the Storage write API.

Constructor Summary

Constructors

Constructor and Description
TableRowToStorageApiProto()

Method Summary

Modifier and Type	Method and Description
static Descriptors.Descriptor	getDescriptorFromTableSchema(TableSchema jsonSchema) Given a BigQuery TableSchema, returns a protocol-buffer Descriptor that can be used to write data using the BigQuery Storage API.
static java.lang.Object	jsonValueFromMessageValue(Descriptors.FieldDescriptor fieldDescriptor, java.lang.Object fieldValue, boolean expandRepeated)
static DynamicMessage	messageFromMap(Descriptors.Descriptor descriptor, java.util.AbstractMap<java.lang.String,java.lang.Object> map)
static DynamicMessage	messageFromTableRow(Descriptors.Descriptor descriptor, TableRow tableRow) Given a BigQuery TableRow, returns a protocol-buffer message that can be used to write data using the BigQuery Storage API.
static TableRow	tableRowFromMessage(Message message)

Methods inherited from class java.lang.Object

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

Constructor Detail

TableRowToStorageApiProto

public TableRowToStorageApiProto()

Method Detail

getDescriptorFromTableSchema

public static Descriptors.Descriptor getDescriptorFromTableSchema(TableSchema jsonSchema)
                                                           throws Descriptors.DescriptorValidationException

Given a BigQuery TableSchema, returns a protocol-buffer Descriptor that can be used to write data using the BigQuery Storage API.

Throws:

Descriptors.DescriptorValidationException

messageFromMap

public static DynamicMessage messageFromMap(Descriptors.Descriptor descriptor,
                                            java.util.AbstractMap<java.lang.String,java.lang.Object> map)

messageFromTableRow

public static DynamicMessage messageFromTableRow(Descriptors.Descriptor descriptor,
                                                 TableRow tableRow)

Given a BigQuery TableRow, returns a protocol-buffer message that can be used to write data using the BigQuery Storage API.

tableRowFromMessage

public static TableRow tableRowFromMessage(Message message)

jsonValueFromMessageValue

public static java.lang.Object jsonValueFromMessageValue(Descriptors.FieldDescriptor fieldDescriptor,
                                                         java.lang.Object fieldValue,
                                                         boolean expandRepeated)