org.apache.iceberg.transforms

Interface PartitionSpecVisitor<T>

public interface PartitionSpecVisitor<T>

Method Summary

Modifier and Type	Method and Description
default T	alwaysNull(int fieldId, java.lang.String sourceName, int sourceId)
default T	bucket(int fieldId, java.lang.String sourceName, int sourceId, int numBuckets)
default T	bucket(java.lang.String sourceName, int sourceId, int numBuckets)
default T	day(int fieldId, java.lang.String sourceName, int sourceId)
default T	day(java.lang.String sourceName, int sourceId)
default T	hour(int fieldId, java.lang.String sourceName, int sourceId)
default T	hour(java.lang.String sourceName, int sourceId)
default T	identity(int fieldId, java.lang.String sourceName, int sourceId)
default T	identity(java.lang.String sourceName, int sourceId)
default T	month(int fieldId, java.lang.String sourceName, int sourceId)
default T	month(java.lang.String sourceName, int sourceId)
default T	truncate(int fieldId, java.lang.String sourceName, int sourceId, int width)
default T	truncate(java.lang.String sourceName, int sourceId, int width)
default T	unknown(int fieldId, java.lang.String sourceName, int sourceId, java.lang.String transform)
static <R> java.util.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, java.lang.String sourceName, int sourceId)
default T	year(java.lang.String sourceName, int sourceId)

Method Detail

identity

default T identity(int fieldId,
                   java.lang.String sourceName,
                   int sourceId)

identity

default T identity(java.lang.String sourceName,
                   int sourceId)

bucket

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

bucket

default T bucket(java.lang.String sourceName,
                 int sourceId,
                 int numBuckets)

truncate

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

truncate

default T truncate(java.lang.String sourceName,
                   int sourceId,
                   int width)

year

default T year(int fieldId,
               java.lang.String sourceName,
               int sourceId)

year

default T year(java.lang.String sourceName,
               int sourceId)

month

default T month(int fieldId,
                java.lang.String sourceName,
                int sourceId)

month

default T month(java.lang.String sourceName,
                int sourceId)

day

default T day(int fieldId,
              java.lang.String sourceName,
              int sourceId)

day

default T day(java.lang.String sourceName,
              int sourceId)

hour

default T hour(int fieldId,
               java.lang.String sourceName,
               int sourceId)

hour

default T hour(java.lang.String sourceName,
               int sourceId)

alwaysNull

default T alwaysNull(int fieldId,
                     java.lang.String sourceName,
                     int sourceId)

unknown

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

visit

static <R> java.util.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)