kodo.meta
Class DelegatingClassMetaData

java.lang.Object
  |
  +--kodo.meta.DelegatingExtensions
        |
        +--kodo.meta.DelegatingClassMetaData

All Implemented Interfaces:

ClassMetaData, Comparable, Extensions, com.solarmetric.meta.SourceTracker

Direct Known Subclasses:

AbstractClassMapping

public class DelegatingClassMetaData

extends DelegatingExtensions

implements ClassMetaData

Wrapper around an existing class metadata. Subclasses can override the methods they mean to change. The equals and hashCode methods pass through to the base underlying class metadata.

Fields inherited from interface kodo.meta.ClassMetaData

DATA_CACHE, DATA_CACHE_TIMEOUT, DETACH_OID_FIELD, DETACH_STATE_FIELD, DETACHABLE, EXTENSION_KEYS, ID_APPLICATION, ID_DATASTORE, ID_NONDURABLE, VALIDATE_ALL, VALIDATE_NONE, VALIDATE_NORESOLVE, VALIDATE_RUNTIME, VALIDATE_UNENHANCED

Constructor Summary

DelegatingClassMetaData(ClassMetaData meta)

Method Summary

void	addDeclaredField(FieldMetaData field) Add a persistent or transactional field to this class.
int	compareTo(Object other)
boolean	equals(Object other)
DataCache	getDataCache() Return the data cache for this class, or null if it is not cachable.
String	getDataCacheName() Return the value of the ClassMetaData.DATA_CACHE extension.
int	getDataCacheTimeout() Return the value of the ClassMetaData.DATA_CACHE_TIMEOUT extension, or the system default if no extension is present.
FieldMetaData	getDeclaredField(int index) Return the metadata for the persistent or transactional field with the given relative index.
FieldMetaData	getDeclaredField(String name) Return the metadata for the persistent or transactional field with the given name, without including superclass fields.
FieldMetaData[]	getDeclaredFields() Return only the fields for this class, without superclass fields.
FieldMetaData[]	getDeclaredUnmanagedFields() Return any fields that were added as non-managed.
FieldMetaData[]	getDefaultFetchGroupFields() Return the list of fields in the default fetch group, including superclass fields, or an empty array if none.
ClassMetaData	getDelegate() Return the wrapped metadata.
Class	getDescribedType() Return the persistence capable class described by this metadata.
String	getDetachObjectId() The name of the detach object id field, or null if none.
Field	getDetachObjectIdField() Return the detach object id field, or null if none.
String	getDetachState() The name of the detach state field, or null if none.
Field	getDetachStateField() Return the detach state field, or null if none.
FieldMetaData	getField(int index) Return the metadata for the persistent or transactional field with the given absolute index.
FieldMetaData	getField(String name) Return the metadata for the persistent or transactional field with the given name.
FieldMetaData[]	getFields() Return all field metadatas, including superclass fields.
int	getIdentityType() Return the type of JDO identity being used.
ClassMetaData	getInnermostDelegate() Return the base underlying class metadata.
Class	getObjectIdClass() Return the metadata-specified class to use for the object ID, or null if not specified.
Class[]	getPCSubclasses() Return the known persistence capable subclasses of the described type, or empty array if none.
ClassMetaData[]	getPCSubclassMetaDatas() Return the metadata for the known persistence capable subclasses of the described type, or empty array if none.
Class	getPCSuperclass() Return the persistence capable superclass of the described type, or null if the metadata did not specify one.
ClassMetaData	getPCSuperclassMetaData() Return the metadata for the persistence capable superclass of the described type, or null if the metadata did not specify one.
ClassLoader	getPMClassLoader() The class persistence manager loader used when parsing this metadata.
FieldMetaData[]	getPrimaryKeyFields() Return primary key fields, or empty array if none.
JDOMetaDataRepository	getRepository() Return the owning repository.
boolean	getRequiresExtent() Return true if the type requires management via extent.
File	getSourceFile() Return the source file the metadata was parsed from, if any.
int	getValidate() Return the validation level.
int	hashCode()
void	invalidateResolve() For implementation use.
boolean	isDetachable() True if the class is detachable.
boolean	isEnhanced() Returns true if the class has been enhanced.
boolean	isInstanceCallbacks() Return true if the class implements InstanceCallbacks.
boolean	isResolved() For implementation use.
boolean	removeDeclaredField(FieldMetaData field) Remove the given field from management.
void	resolve() For implementation use.
void	setDataCacheName(String name) Set the value of the ClassMetaData.DATA_CACHE extension.
void	setDataCacheTimeout(int timeout) Set the value of the ClassMetaData.DATA_CACHE_TIMEOUT standard extension.
void	setDescribedType(Class type) Return the persistence capable class described by this metadata.
void	setDetachable(boolean detachable) True if the class is detachable.
void	setDetachObjectId(String field) The name of the detach object id field, or null if none.
void	setDetachState(String field) The name of the detach state field, or null if none.
void	setIdentityType(int type) Set the type of JDO identity used by this class.
void	setObjectIdClass(Class cls) Set the metadata-specified class to use for the object ID.
void	setPCSuperclass(Class pc) Set the persistence capable superclass of the described type.
void	setPCSuperclassMetaData(ClassMetaData meta) Set the metadata for this class' superclass.
void	setPMClassLoader(ClassLoader loader) The class persistence manager loader used when parsing this metadata.
void	setRepository(JDOMetaDataRepository repos) Set the owning repository.
void	setRequiresExtent(boolean req) Set whether the type requires extent management.
void	setSourceFile(File file) Set the source file the metadata was parsed from.
void	setValidate(int validate) Set the validation level.
String	toString()

Methods inherited from class kodo.meta.DelegatingExtensions

addExtension, addExtension, addExtensionKeys, getBooleanExtension, getBooleanExtension, getDoubleExtension, getDoubleExtension, getEmbeddedExtensions, getEmbeddedExtensions, getEmbeddedExtensionsKeys, getEmbeddedExtensionsKeys, getExtensionKeys, getExtensionKeys, getExtensionVendors, getIntExtension, getIntExtension, getObjectExtension, getObjectExtension, getStringExtension, getStringExtension, hasExtension, hasExtension, isEmpty, removeEmbeddedExtensions, removeEmbeddedExtensions, removeExtension, removeExtension

Methods inherited from class java.lang.Object

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

Methods inherited from interface kodo.meta.Extensions

addExtension, addExtension, addExtensionKeys, getBooleanExtension, getBooleanExtension, getDoubleExtension, getDoubleExtension, getEmbeddedExtensions, getEmbeddedExtensions, getEmbeddedExtensionsKeys, getEmbeddedExtensionsKeys, getExtensionKeys, getExtensionKeys, getExtensionVendors, getIntExtension, getIntExtension, getObjectExtension, getObjectExtension, getStringExtension, getStringExtension, hasExtension, hasExtension, isEmpty, removeEmbeddedExtensions, removeEmbeddedExtensions, removeExtension, removeExtension

Constructor Detail

DelegatingClassMetaData

public DelegatingClassMetaData(ClassMetaData meta)

Method Detail

getDelegate

public ClassMetaData getDelegate()

Return the wrapped metadata.

getInnermostDelegate

public ClassMetaData getInnermostDelegate()

Return the base underlying class metadata.

hashCode

public int hashCode()

Overrides:

hashCode in class Object

equals

public boolean equals(Object other)

Overrides:

equals in class Object

compareTo

public int compareTo(Object other)

Specified by:

compareTo in interface Comparable

toString

public String toString()

Overrides:

toString in class Object

getSourceFile

public File getSourceFile()

Description copied from interface: ClassMetaData

Return the source file the metadata was parsed from, if any.

Specified by:

getSourceFile in interface ClassMetaData

setSourceFile

public void setSourceFile(File file)

Description copied from interface: ClassMetaData

Set the source file the metadata was parsed from.

Specified by:

setSourceFile in interface ClassMetaData

getPMClassLoader

public ClassLoader getPMClassLoader()

Description copied from interface: ClassMetaData

The class persistence manager loader used when parsing this metadata. The class metadata should use this loader when loading metadata for its superclass and field types.

Specified by:

getPMClassLoader in interface ClassMetaData

setPMClassLoader

public void setPMClassLoader(ClassLoader loader)

Description copied from interface: ClassMetaData

The class persistence manager loader used when parsing this metadata. The class metadata should use this loader when loading metadata for its superclass and field types.

Specified by:

setPMClassLoader in interface ClassMetaData

getValidate

public int getValidate()

Description copied from interface: ClassMetaData

Return the validation level.

Specified by:

getValidate in interface ClassMetaData

setValidate

public void setValidate(int validate)

Description copied from interface: ClassMetaData

Set the validation level.

Specified by:

setValidate in interface ClassMetaData

getRepository

public JDOMetaDataRepository getRepository()

Description copied from interface: ClassMetaData

Return the owning repository.

Specified by:

getRepository in interface ClassMetaData

setRepository

public void setRepository(JDOMetaDataRepository repos)

Description copied from interface: ClassMetaData

Set the owning repository.

Specified by:

setRepository in interface ClassMetaData

getDescribedType

public Class getDescribedType()

Description copied from interface: ClassMetaData

Return the persistence capable class described by this metadata.

Specified by:

getDescribedType in interface ClassMetaData

setDescribedType

public void setDescribedType(Class type)

Description copied from interface: ClassMetaData

Return the persistence capable class described by this metadata.

Specified by:

setDescribedType in interface ClassMetaData

getPCSuperclass

public Class getPCSuperclass()

Description copied from interface: ClassMetaData

Return the persistence capable superclass of the described type, or null if the metadata did not specify one.

Specified by:

getPCSuperclass in interface ClassMetaData

setPCSuperclass

public void setPCSuperclass(Class pc)

Description copied from interface: ClassMetaData

Set the persistence capable superclass of the described type.

Specified by:

setPCSuperclass in interface ClassMetaData

getPCSuperclassMetaData

public ClassMetaData getPCSuperclassMetaData()

Description copied from interface: ClassMetaData

Return the metadata for the persistence capable superclass of the described type, or null if the metadata did not specify one.

Specified by:

getPCSuperclassMetaData in interface ClassMetaData

setPCSuperclassMetaData

public void setPCSuperclassMetaData(ClassMetaData meta)

Description copied from interface: ClassMetaData

Set the metadata for this class' superclass.

Specified by:

setPCSuperclassMetaData in interface ClassMetaData

getPCSubclasses

public Class[] getPCSubclasses()

Description copied from interface: ClassMetaData

Return the known persistence capable subclasses of the described type, or empty array if none.

Specified by:

getPCSubclasses in interface ClassMetaData

getPCSubclassMetaDatas

public ClassMetaData[] getPCSubclassMetaDatas()

Description copied from interface: ClassMetaData

Return the metadata for the known persistence capable subclasses of the described type, or empty array if none.

Specified by:

getPCSubclassMetaDatas in interface ClassMetaData

getIdentityType

public int getIdentityType()

Description copied from interface: ClassMetaData

Return the type of JDO identity being used. This will be one of:

• ClassMetaData.ID_DATASTORE: identity managed by the data store and independent of the fields of the instance
• ClassMetaData.ID_APPLICATION: identity managed by the application and defined by one or more fields of the instance
• ClassMetaData.ID_NONDURABLE: identity managed by the implementation to guarantee uniqueness in the JVM, but not necessarily in the data store; this is rarely used

If unspecified, defaults to ClassMetaData.ID_DATASTORE.

Specified by:

getIdentityType in interface ClassMetaData

setIdentityType

public void setIdentityType(int type)

Description copied from interface: ClassMetaData

Set the type of JDO identity used by this class.

Specified by:

setIdentityType in interface ClassMetaData

Following copied from interface: kodo.meta.ClassMetaData

See Also:

ClassMetaData.getIdentityType()

getObjectIdClass

public Class getObjectIdClass()

Description copied from interface: ClassMetaData

Return the metadata-specified class to use for the object ID, or null if not specified.

Specified by:

getObjectIdClass in interface ClassMetaData

setObjectIdClass

public void setObjectIdClass(Class cls)

Description copied from interface: ClassMetaData

Set the metadata-specified class to use for the object ID.

Specified by:

setObjectIdClass in interface ClassMetaData

getRequiresExtent

public boolean getRequiresExtent()

Description copied from interface: ClassMetaData

Return true if the type requires management via extent. If false, the PersistenceManager.getExtent(java.lang.Class, boolean) method cannot be used for this class. Defaults to true.

Specified by:

getRequiresExtent in interface ClassMetaData

setRequiresExtent

public void setRequiresExtent(boolean req)

Description copied from interface: ClassMetaData

Set whether the type requires extent management.

Specified by:

setRequiresExtent in interface ClassMetaData

getFields

public FieldMetaData[] getFields()

Description copied from interface: ClassMetaData

Return all field metadatas, including superclass fields.

Specified by:

getFields in interface ClassMetaData

getDeclaredFields

public FieldMetaData[] getDeclaredFields()

Description copied from interface: ClassMetaData

Return only the fields for this class, without superclass fields.

Specified by:

getDeclaredFields in interface ClassMetaData

getPrimaryKeyFields

public FieldMetaData[] getPrimaryKeyFields()

Description copied from interface: ClassMetaData

Return primary key fields, or empty array if none.

Specified by:

getPrimaryKeyFields in interface ClassMetaData

getDefaultFetchGroupFields

public FieldMetaData[] getDefaultFetchGroupFields()

Description copied from interface: ClassMetaData

Return the list of fields in the default fetch group, including superclass fields, or an empty array if none.

Specified by:

getDefaultFetchGroupFields in interface ClassMetaData

getField

public FieldMetaData getField(int index)

Description copied from interface: ClassMetaData

Return the metadata for the persistent or transactional field with the given absolute index.

Specified by:

getField in interface ClassMetaData

Following copied from interface: kodo.meta.ClassMetaData

Returns:

the field's metadata, or null if not found

getDeclaredField

public FieldMetaData getDeclaredField(int index)

Description copied from interface: ClassMetaData

Return the metadata for the persistent or transactional field with the given relative index.

Specified by:

getDeclaredField in interface ClassMetaData

Following copied from interface: kodo.meta.ClassMetaData

Returns:

the field's metadata, or null if not found

getField

public FieldMetaData getField(String name)

Description copied from interface: ClassMetaData

Return the metadata for the persistent or transactional field with the given name. This method can only be used at runtime.

Specified by:

getField in interface ClassMetaData

Following copied from interface: kodo.meta.ClassMetaData

Returns:

the field's metadata, or null if not found

getDeclaredField

public FieldMetaData getDeclaredField(String name)

Description copied from interface: ClassMetaData

Return the metadata for the persistent or transactional field with the given name, without including superclass fields.

Specified by:

getDeclaredField in interface ClassMetaData

Following copied from interface: kodo.meta.ClassMetaData

Returns:

the field's metadata, or null if not found

getDeclaredUnmanagedFields

public FieldMetaData[] getDeclaredUnmanagedFields()

Description copied from interface: ClassMetaData

Return any fields that were added as non-managed. All other methods to get fields return only those that are managed.

Specified by:

getDeclaredUnmanagedFields in interface ClassMetaData

addDeclaredField

public void addDeclaredField(FieldMetaData field)

Description copied from interface: ClassMetaData

Add a persistent or transactional field to this class.

Specified by:

addDeclaredField in interface ClassMetaData

removeDeclaredField

public boolean removeDeclaredField(FieldMetaData field)

Description copied from interface: ClassMetaData

Remove the given field from management.

Specified by:

removeDeclaredField in interface ClassMetaData

Following copied from interface: kodo.meta.ClassMetaData

Returns:

true if the field was removed, false otherwise

getDataCacheName

public String getDataCacheName()

Description copied from interface: ClassMetaData

Return the value of the ClassMetaData.DATA_CACHE extension.

Specified by:

getDataCacheName in interface ClassMetaData

setDataCacheName

public void setDataCacheName(String name)

Description copied from interface: ClassMetaData

Set the value of the ClassMetaData.DATA_CACHE extension. Use null to remove the extension.

Specified by:

setDataCacheName in interface ClassMetaData

getDataCacheTimeout

public int getDataCacheTimeout()

Description copied from interface: ClassMetaData

Return the value of the ClassMetaData.DATA_CACHE_TIMEOUT extension, or the system default if no extension is present.

Specified by:

getDataCacheTimeout in interface ClassMetaData

setDataCacheTimeout

public void setDataCacheTimeout(int timeout)

Description copied from interface: ClassMetaData

Set the value of the ClassMetaData.DATA_CACHE_TIMEOUT standard extension. Use Integer.MAX_VALUE to remove the extension.

Specified by:

setDataCacheTimeout in interface ClassMetaData

getDataCache

public DataCache getDataCache()

Description copied from interface: ClassMetaData

Return the data cache for this class, or null if it is not cachable.

Specified by:

getDataCache in interface ClassMetaData

isDetachable

public boolean isDetachable()

Description copied from interface: ClassMetaData

True if the class is detachable.

Specified by:

isDetachable in interface ClassMetaData

setDetachable

public void setDetachable(boolean detachable)

Description copied from interface: ClassMetaData

True if the class is detachable.

Specified by:

setDetachable in interface ClassMetaData

getDetachObjectId

public String getDetachObjectId()

Description copied from interface: ClassMetaData

The name of the detach object id field, or null if none.

Specified by:

getDetachObjectId in interface ClassMetaData

setDetachObjectId

public void setDetachObjectId(String field)

Description copied from interface: ClassMetaData

The name of the detach object id field, or null if none.

Specified by:

setDetachObjectId in interface ClassMetaData

getDetachObjectIdField

public Field getDetachObjectIdField()

Description copied from interface: ClassMetaData

Return the detach object id field, or null if none.

Specified by:

getDetachObjectIdField in interface ClassMetaData

getDetachState

public String getDetachState()

Description copied from interface: ClassMetaData

The name of the detach state field, or null if none.

Specified by:

getDetachState in interface ClassMetaData

setDetachState

public void setDetachState(String field)

Description copied from interface: ClassMetaData

The name of the detach state field, or null if none.

Specified by:

setDetachState in interface ClassMetaData

getDetachStateField

public Field getDetachStateField()

Description copied from interface: ClassMetaData

Return the detach state field, or null if none.

Specified by:

getDetachStateField in interface ClassMetaData

isEnhanced

public boolean isEnhanced()

Description copied from interface: ClassMetaData

Returns true if the class has been enhanced.

Specified by:

isEnhanced in interface ClassMetaData

isInstanceCallbacks

public boolean isInstanceCallbacks()

Description copied from interface: ClassMetaData

Return true if the class implements InstanceCallbacks.

Specified by:

isInstanceCallbacks in interface ClassMetaData

isResolved

public boolean isResolved()

Description copied from interface: ClassMetaData

For implementation use. Return whether this metadata has been resolved.

Specified by:

isResolved in interface ClassMetaData

invalidateResolve

public void invalidateResolve()

Description copied from interface: ClassMetaData

For implementation use. Invalidate resolved data.

Specified by:

invalidateResolve in interface ClassMetaData

resolve

public void resolve()

Description copied from interface: ClassMetaData

For implementation use. This method resolves superclass information, caches fields, and resolves fields that might be other first class objects. It requires access to a respository. It can access other class metadata through the repository, but cannot access field metadata for those classes. It can, however, access superclass field metadata.

Specified by:

resolve in interface ClassMetaData