org.apache.iceberg.orc

Class OrcSchemaVisitor<T>

java.lang.Object

org.apache.iceberg.orc.OrcSchemaVisitor<T>

public abstract class OrcSchemaVisitor<T>
extends java.lang.Object

Generic visitor of an ORC Schema.

Constructor Summary

Constructors

Constructor and Description
OrcSchemaVisitor()

Method Summary

Modifier and Type	Method and Description
void	afterElementField(org.apache.orc.TypeDescription element)
void	afterField(java.lang.String name, org.apache.orc.TypeDescription type)
void	afterKeyField(org.apache.orc.TypeDescription key)
void	afterValueField(org.apache.orc.TypeDescription value)
void	beforeElementField(org.apache.orc.TypeDescription element)
void	beforeField(java.lang.String name, org.apache.orc.TypeDescription type)
void	beforeKeyField(org.apache.orc.TypeDescription key)
void	beforeValueField(org.apache.orc.TypeDescription value)
java.lang.String	currentFieldName()
protected java.lang.String[]	currentPath()
java.lang.String	elementName()
java.lang.String	keyName()
T	list(org.apache.orc.TypeDescription array, T element)
T	map(org.apache.orc.TypeDescription map, T key, T value)
protected java.lang.String[]	path(java.lang.String name)
T	primitive(org.apache.orc.TypeDescription primitive)
T	record(org.apache.orc.TypeDescription record, java.util.List<java.lang.String> names, java.util.List<T> fields)
java.lang.String	valueName()
static <T> T	visit(org.apache.orc.TypeDescription schema, OrcSchemaVisitor<T> visitor)
static <T> java.util.List<T>	visitSchema(org.apache.orc.TypeDescription schema, OrcSchemaVisitor<T> visitor)

Methods inherited from class java.lang.Object

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

Constructor Detail

OrcSchemaVisitor

public OrcSchemaVisitor()

Method Detail

visitSchema

public static <T> java.util.List<T> visitSchema(org.apache.orc.TypeDescription schema,
                                                OrcSchemaVisitor<T> visitor)

visit

public static <T> T visit(org.apache.orc.TypeDescription schema,
                          OrcSchemaVisitor<T> visitor)

elementName

public java.lang.String elementName()

keyName

public java.lang.String keyName()

valueName

public java.lang.String valueName()

currentFieldName

public java.lang.String currentFieldName()

beforeField

public void beforeField(java.lang.String name,
                        org.apache.orc.TypeDescription type)

afterField

public void afterField(java.lang.String name,
                       org.apache.orc.TypeDescription type)

beforeElementField

public void beforeElementField(org.apache.orc.TypeDescription element)

afterElementField

public void afterElementField(org.apache.orc.TypeDescription element)

beforeKeyField

public void beforeKeyField(org.apache.orc.TypeDescription key)

afterKeyField

public void afterKeyField(org.apache.orc.TypeDescription key)

beforeValueField

public void beforeValueField(org.apache.orc.TypeDescription value)

afterValueField

public void afterValueField(org.apache.orc.TypeDescription value)

record

public T record(org.apache.orc.TypeDescription record,
                java.util.List<java.lang.String> names,
                java.util.List<T> fields)

list

public T list(org.apache.orc.TypeDescription array,
              T element)

map

public T map(org.apache.orc.TypeDescription map,
             T key,
             T value)

primitive

public T primitive(org.apache.orc.TypeDescription primitive)

currentPath

protected java.lang.String[] currentPath()

path

protected java.lang.String[] path(java.lang.String name)