nl.renarj.jasdb.index.keys.keyinfo

Class KeyNameMapperImpl

java.lang.Object

nl.renarj.jasdb.index.keys.keyinfo.KeyNameMapperImpl

All Implemented Interfaces:

Cloneable, KeyNameMapper

public class KeyNameMapperImpl
extends Object
implements KeyNameMapper

Author:

Renze de Vries

Constructor Summary

Constructors

Constructor and Description
KeyNameMapperImpl()

Method Summary

Modifier and Type	Method and Description
void	addMappedField(Integer index, String field)
Integer	addMappedField(String field)
KeyNameMapper	clone() Clones the key name mapper
static KeyNameMapperImpl	create(KeyFactory[] keyFactories)
String	getFieldForIndex(Integer index) Gets the field for the index
Set<String>	getFieldSet() Gets a set of fields mapper
int	getIndexForField(String field) Gets the index used for the given field
Map<Integer,String>	getMappings() Provides a Map containing the index to field mappings
int	getValueMarker()
boolean	isFullyMapped(Key mappedKey)
boolean	isMapped(String field) Check if a field is mapped
void	setValueMarker(int index)
int	size() The amount of mapped fields
String	toString()

Methods inherited from class java.lang.Object

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

Constructor Detail

KeyNameMapperImpl

public KeyNameMapperImpl()

Method Detail

create

public static KeyNameMapperImpl create(KeyFactory[] keyFactories)

getIndexForField

public int getIndexForField(String field)

Description copied from interface: KeyNameMapper

Gets the index used for the given field

Specified by:

getIndexForField in interface KeyNameMapper

Parameters:

field - The field to request the mapped index for

Returns:

The mapped index

getMappings

public Map<Integer,String> getMappings()

Description copied from interface: KeyNameMapper

Provides a Map containing the index to field mappings

Specified by:

getMappings in interface KeyNameMapper

Returns:

The index to field mappings

isMapped

public boolean isMapped(String field)

Description copied from interface: KeyNameMapper

Check if a field is mapped

Specified by:

isMapped in interface KeyNameMapper

Parameters:

field - The field to check if it is mapped

Returns:

True if the field is mapped, False if not

size

public int size()

Description copied from interface: KeyNameMapper

The amount of mapped fields

Specified by:

size in interface KeyNameMapper

Returns:

THe amount of mapped fields

getFieldForIndex

public String getFieldForIndex(Integer index)

Description copied from interface: KeyNameMapper

Gets the field for the index

Specified by:

getFieldForIndex in interface KeyNameMapper

Parameters:

index - The index to get the field name for

Returns:

THe field name if present, null if not

addMappedField

public Integer addMappedField(String field)

Specified by:

addMappedField in interface KeyNameMapper

addMappedField

public void addMappedField(Integer index,
                           String field)

getFieldSet

public Set<String> getFieldSet()

Description copied from interface: KeyNameMapper

Gets a set of fields mapper

Specified by:

getFieldSet in interface KeyNameMapper

Returns:

The set of mapped fields

isFullyMapped

public boolean isFullyMapped(Key mappedKey)

Specified by:

isFullyMapped in interface KeyNameMapper

getValueMarker

public int getValueMarker()

Specified by:

getValueMarker in interface KeyNameMapper

setValueMarker

public void setValueMarker(int index)

Specified by:

setValueMarker in interface KeyNameMapper

clone

public KeyNameMapper clone()

Description copied from interface: KeyNameMapper

Clones the key name mapper

Specified by:

clone in interface KeyNameMapper

Overrides:

clone in class Object

Returns:

The key name mapper

toString

public String toString()

Overrides:

toString in class Object