Package org.apache.iceberg.transforms

Interface PartitionSpecVisitor<T>

public interface PartitionSpecVisitor<T>

Method Summary

Modifier and Type	Method	Description
default T	alwaysNull(int fieldId, String sourceName, int sourceId)
default T	bucket(int fieldId, String sourceName, int sourceId, int numBuckets)
default T	bucket(String sourceName, int sourceId, int numBuckets)
default T	day(int fieldId, String sourceName, int sourceId)
default T	day(String sourceName, int sourceId)
default T	hour(int fieldId, String sourceName, int sourceId)
default T	hour(String sourceName, int sourceId)
default T	identity(int fieldId, String sourceName, int sourceId)
default T	identity(String sourceName, int sourceId)
default T	month(int fieldId, String sourceName, int sourceId)
default T	month(String sourceName, int sourceId)
default T	truncate(int fieldId, String sourceName, int sourceId, int width)
default T	truncate(String sourceName, int sourceId, int width)
default T	unknown(int fieldId, String sourceName, int sourceId, String transform)
static <R> List<R>	visit(PartitionSpec spec, PartitionSpecVisitor<R> visitor)	Visit the fields of a PartitionSpec.
static <R> R	visit(Schema schema, PartitionField field, PartitionSpecVisitor<R> visitor)
default T	year(int fieldId, String sourceName, int sourceId)
default T	year(String sourceName, int sourceId)

Method Details

identity

default T identity(int fieldId,
 String sourceName,
 int sourceId)

identity

default T identity(String sourceName,
 int sourceId)

bucket

default T bucket(int fieldId,
 String sourceName,
 int sourceId,
 int numBuckets)

bucket

default T bucket(String sourceName,
 int sourceId,
 int numBuckets)

truncate

default T truncate(int fieldId,
 String sourceName,
 int sourceId,
 int width)

truncate

default T truncate(String sourceName,
 int sourceId,
 int width)

year

default T year(int fieldId,
 String sourceName,
 int sourceId)

year

default T year(String sourceName,
 int sourceId)

month

default T month(int fieldId,
 String sourceName,
 int sourceId)

month

default T month(String sourceName,
 int sourceId)

day

default T day(int fieldId,
 String sourceName,
 int sourceId)

day

default T day(String sourceName,
 int sourceId)

hour

default T hour(int fieldId,
 String sourceName,
 int sourceId)

hour

default T hour(String sourceName,
 int sourceId)

alwaysNull

default T alwaysNull(int fieldId,
 String sourceName,
 int sourceId)

unknown

default T unknown(int fieldId,
 String sourceName,
 int sourceId,
 String transform)

visit

static <R> List<R> visit(PartitionSpec spec,
 PartitionSpecVisitor<R> visitor)

Visit the fields of a PartitionSpec.

Type Parameters:

R - return type of the visitor

Parameters:

spec - a partition spec to visit

visitor - a partition spec visitor

Returns:

a list of the result produced by visiting each partition field

visit

static <R> R visit(Schema schema,
 PartitionField field,
 PartitionSpecVisitor<R> visitor)