alluxio.job.plan.transform.format

Class SchemaConversionUtils

java.lang.Object

alluxio.job.plan.transform.format.SchemaConversionUtils

public class SchemaConversionUtils
extends java.lang.Object

Utility Class for converting schema to Parquet.

Constructor Summary

Constructors

Constructor and Description
SchemaConversionUtils()

Method Summary

Modifier and Type	Method and Description
static org.apache.avro.SchemaBuilder.FieldAssembler<org.apache.avro.Schema>	buildConsistentField(org.apache.avro.SchemaBuilder.FieldAssembler<org.apache.avro.Schema> assembler, FieldSchema field) Builds the fields that are consistent with Schema.
static org.apache.avro.Schema	buildWriteSchema(java.util.List<FieldSchema> fields) Builds write schema.

Methods inherited from class java.lang.Object

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

Constructor Detail

SchemaConversionUtils

public SchemaConversionUtils()

Method Detail

buildWriteSchema

public static org.apache.avro.Schema buildWriteSchema(java.util.List<FieldSchema> fields)
                                               throws java.io.IOException

Builds write schema.

Parameters:

fields - the fields

Returns:

the write schema

Throws:

java.io.IOException

buildConsistentField

public static org.apache.avro.SchemaBuilder.FieldAssembler<org.apache.avro.Schema> buildConsistentField(org.apache.avro.SchemaBuilder.FieldAssembler<org.apache.avro.Schema> assembler,
                                                                                                        FieldSchema field)
                                                                                                 throws java.io.IOException

Builds the fields that are consistent with Schema.

Parameters:

assembler - the field assembler

field - field to add to the field assembler

Returns:

new field assembler with the existing fields + the new field

Throws:

java.io.IOException