Package org.jdbi.v3.core.mapper

Class EnumMapper.EnumByNameColumnMapper<E extends Enum<E>>

java.lang.Object

org.jdbi.v3.core.mapper.EnumMapper.EnumByNameColumnMapper<E>

All Implemented Interfaces:

ColumnMapper<E>

Enclosing class:

EnumMapper<E extends Enum<E>>

static class EnumMapper.EnumByNameColumnMapper<E extends Enum<E>>
extends Object
implements ColumnMapper<E>

Field Summary

Fields

Modifier and Type	Field	Description
private static final ConfigCache<Class<? extends Enum<?>>,ConfigCache<String,Enum<?>>>	BY_NAME_CACHE
private final Class<E>	enumClass

Constructor Summary

Constructors

Modifier	Constructor	Description
private	EnumByNameColumnMapper(Class<E> enumClass)

Method Summary

Modifier and Type	Method	Description
private static Stream<Enum<?>>	enumConstants(Class<? extends Enum<?>> enumClass)
private static Predicate<Enum<?>>	enumValueMatches(String name, BiPredicate<String,String> comparer)
private static Object	getValueByName(Class<? extends Enum<?>> enumClass, String name)
E	map(ResultSet rs, int columnNumber, StatementContext ctx)	Map the given column of the current row of the result set to an Object.

Methods inherited from class java.lang.Object

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

Methods inherited from interface org.jdbi.v3.core.mapper.ColumnMapper

init, map

Field Details

BY_NAME_CACHE

private static final ConfigCache<Class<? extends Enum<?>>,ConfigCache<String,Enum<?>>> BY_NAME_CACHE

enumClass

private final Class<E extends Enum<E>> enumClass

Constructor Details

EnumByNameColumnMapper

private EnumByNameColumnMapper(Class<E> enumClass)

Method Details

map

public E map(ResultSet rs,
 int columnNumber,
 StatementContext ctx)
      throws SQLException

Description copied from interface: ColumnMapper

Map the given column of the current row of the result set to an Object. This method should not cause the result set to advance; allow Jdbi to do that, please.

Specified by:

map in interface ColumnMapper<E extends Enum<E>>

Parameters:

rs - the result set being iterated

columnNumber - the column number to map (starts at 1)

ctx - the statement context

Returns:

the value to return for this column

Throws:

SQLException - if anything goes wrong go ahead and let this percolate; Jdbi will handle it

getValueByName

private static Object getValueByName(Class<? extends Enum<?>> enumClass,
 String name)

enumValueMatches

private static Predicate<Enum<?>> enumValueMatches(String name,
 BiPredicate<String,String> comparer)

enumConstants

private static Stream<Enum<?>> enumConstants(Class<? extends Enum<?>> enumClass)