Package me.ahoo.cosid.accessor

Class DefaultCosIdAccessor

java.lang.Object

me.ahoo.cosid.accessor.AbstractIdMetadata

me.ahoo.cosid.accessor.DefaultCosIdAccessor

All Implemented Interfaces:

CosIdAccessor, CosIdGetter, CosIdSetter, EnsureId, IdMetadata

public class DefaultCosIdAccessor
extends AbstractIdMetadata
implements CosIdAccessor

Default CosIdAccessor implementation.

Provides ID get/set operations on entities and ensures IDs are generated when missing. Supports Long, Integer, and String ID types.

Nested Class Summary

Nested Classes

Modifier and Type	Class	Description
class	DefaultCosIdAccessor.EnsureIntegerId	Ensures ID is generated for Integer ID types.
class	DefaultCosIdAccessor.EnsureLongId	Ensures ID is generated for Long ID types.
class	DefaultCosIdAccessor.EnsureStringId	Ensures ID is generated for String ID types.

Nested classes/interfaces inherited from interface me.ahoo.cosid.accessor.CosIdAccessor

CosIdAccessor.NotFound

Field Summary

Fields inherited from interface me.ahoo.cosid.accessor.CosIdAccessor

NOT_FOUND

Constructor Summary

Constructors

Constructor	Description
DefaultCosIdAccessor(IdDefinition idDefinition, CosIdGetter getter, CosIdSetter setter)	Creates a new accessor.
DefaultCosIdAccessor(IdDefinition idDefinition, CosIdGetter getter, CosIdSetter setter, IdGeneratorProvider idGeneratorProvider)	Creates a new accessor that resolves its generator from the given provider.

Method Summary

Modifier and Type	Method	Description
boolean	ensureId(Object target)	Ensure that the target object has an ID set.
CosIdGetter	getGetter()	Gets the getter.
Object	getId(Object target)	Gets the ID value from the target object.
CosIdSetter	getSetter()	Gets the setter.
void	setId(Object target, Object id)	Sets the ID value on the target object.
void	validate()	Checks that the ID generator, when it is already registered, can generate the type of the id field.

Methods inherited from class me.ahoo.cosid.accessor.AbstractIdMetadata

checkGeneratorSupportsIdType, getIdDefinition, getIdGenerator

Methods inherited from class java.lang.Object

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

Methods inherited from interface me.ahoo.cosid.accessor.IdMetadata

getGeneratorName, getIdDeclaringClass, getIdDefinition, getIdField, getIdGenerator, getIdType

Constructor Details

DefaultCosIdAccessor

public DefaultCosIdAccessor(IdDefinition idDefinition,
 CosIdGetter getter,
 CosIdSetter setter)

Creates a new accessor.

Parameters:

idDefinition - the ID definition

getter - the getter for extracting ID from entities

setter - the setter for setting ID on entities

DefaultCosIdAccessor

public DefaultCosIdAccessor(IdDefinition idDefinition,
 CosIdGetter getter,
 CosIdSetter setter,
 IdGeneratorProvider idGeneratorProvider)

Creates a new accessor that resolves its generator from the given provider.

Parameters:

idDefinition - the ID definition

getter - the getter for extracting ID from entities

setter - the setter for setting ID on entities

idGeneratorProvider - the provider used to resolve the generator

Method Details

getId

public Object getId(Object target)

Description copied from interface: CosIdGetter

Gets the ID value from the target object.

Specified by:

getId in interface CosIdGetter

Parameters:

target - the object to get ID from

Returns:

the ID value

setId

public void setId(Object target,
 Object id)

Description copied from interface: CosIdSetter

Sets the ID value on the target object.

Specified by:

setId in interface CosIdSetter

Parameters:

target - the object to set ID on

id - the ID value to set

validate

public void validate()

Description copied from interface: CosIdAccessor

Checks that the ID generator, when it is already registered, can generate the type of the id field.

Specified by:

validate in interface CosIdAccessor

getGetter

public CosIdGetter getGetter()

Gets the getter.

Returns:

the getter

getSetter

public CosIdSetter getSetter()

Gets the setter.

Returns:

the setter

ensureId

public boolean ensureId(Object target)

Description copied from interface: EnsureId

Ensure that the target object has an ID set.

Specified by:

ensureId in interface EnsureId

Parameters:

target - target object

Returns:

Set successfully?