com.cinchapi.concourse.data.transform

Class DataColumn<F,T>

Object

AbstractMap<Long,T>

DataColumn<F,T>

All Implemented Interfaces:

Column<T>, Map<Long,T>

public abstract class DataColumn<F,T>
extends AbstractMap<Long,T>
implements Column<T>

A Row based on a TObject result set, that transforms values on the fly.

Nested Class Summary

Nested classes/interfaces inherited from class AbstractMap

AbstractMap.SimpleEntry<K,V>, AbstractMap.SimpleImmutableEntry<K,V>

Nested classes/interfaces inherited from interface Map

Map.Entry<K,V>

Method Summary

Modifier and Type	Method and Description
Set<Map.Entry<Long,T>>	entrySet()
static <T> DataColumn<Set<TObject>,Set<T>>	multiValued(String key, Map<Long,Set<TObject>> data) Return a DataColumn that contains multi-valued cells of TObject values that are converted to their Java equivalents.
static <T> DataColumn<TObject,T>	singleValued(String key, Map<Long,TObject> data) Return a DataColumn that contains single-valued cells of TObject values that are converted to their Java equivalents.
String	toString()
protected abstract T	transform(F value) Transform the value to the appropriate type.

Methods inherited from class AbstractMap

clear, clone, containsKey, containsValue, equals, get, hashCode, isEmpty, keySet, put, putAll, remove, size, values

Methods inherited from class Object

finalize, getClass, notify, notifyAll, wait, wait, wait

Methods inherited from interface Map

clear, compute, computeIfAbsent, computeIfPresent, containsKey, containsValue, equals, forEach, get, getOrDefault, hashCode, isEmpty, keySet, merge, put, putAll, putIfAbsent, remove, remove, replace, replace, replaceAll, size, values

Method Detail

multiValued

public static <T> DataColumn<Set<TObject>,Set<T>> multiValued(String key,
                                                              Map<Long,Set<TObject>> data)

Return a DataColumn that contains multi-valued cells of TObject values that are converted to their Java equivalents.

Parameters:

key -

data -

Returns:

the DataColumn

singleValued

public static <T> DataColumn<TObject,T> singleValued(String key,
                                                     Map<Long,TObject> data)

Return a DataColumn that contains single-valued cells of TObject values that are converted to their Java equivalents.

Parameters:

key -

data -

Returns:

the DataColumn

entrySet

public Set<Map.Entry<Long,T>> entrySet()

Specified by:

entrySet in interface Map<Long,T>

Specified by:

entrySet in class AbstractMap<Long,T>

toString

public String toString()

Overrides:

toString in class AbstractMap<Long,T>

transform

protected abstract T transform(F value)

Transform the value to the appropriate type.

Parameters:

value -

Returns:

the transformed value.