FieldMetaData (OpenJPA 1.1.0 API)

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org.apache.openjpa.meta
Class FieldMetaData

java.lang.Object
  org.apache.openjpa.meta.Extensions
      org.apache.openjpa.meta.FieldMetaData

All Implemented Interfaces:: Serializable, Commentable, MetaDataContext, MetaDataModes, ValueMetaData

Direct Known Subclasses:: FieldMapping

public class FieldMetaData
extends Extensions
implements ValueMetaData, MetaDataContext, MetaDataModes, Commentable
extends Extensions
implements ValueMetaData, MetaDataContext, MetaDataModes, Commentable

Metadata for a managed class field.

Author:: Abe White
See Also:: Serialized Form

Nested Class Summary
`static class`	`FieldMetaData.MemberProvider` Serializable wrapper around a `Method` or `Field`.

Field Summary
`static int`	`MANAGE_NONE` Constant specifying the management level of a field.
`static int`	`MANAGE_PERSISTENT` Constant specifying the management level of a field.
`static int`	`MANAGE_TRANSACTIONAL` Constant specifying the management level of a field.
`static int`	`NULL_DEFAULT` Constant specifying to use a datastore default value to persist null values in object fields.
`static int`	`NULL_EXCEPTION` Constant specifying to throw an exception when attempting to persist null values in object fields.
`static int`	`NULL_NONE` Constant specifying to use a datastore null to persist null values in object fields.
`static int`	`NULL_UNSET` Constant specifying that no null-value was given.

Fields inherited from class org.apache.openjpa.meta.Extensions
`OPENJPA`

Fields inherited from interface org.apache.openjpa.meta.ValueMetaData
`CASCADE_AUTO, CASCADE_IMMEDIATE, CASCADE_NONE, MAPPED_BY_PK`

Fields inherited from interface org.apache.openjpa.meta.MetaDataModes
`MODE_ALL, MODE_ANN_MAPPING, MODE_MAPPING, MODE_MAPPING_INIT, MODE_META, MODE_NONE, MODE_QUERY`

Fields inherited from interface org.apache.openjpa.lib.xml.Commentable
`EMPTY_COMMENTS`

Constructor Summary
`protected`	`FieldMetaData(String name, Class type, ClassMetaData owner)` Constructor.

Method Summary
`ClassMetaData`	`addEmbeddedMetaData()` Add embedded metadata for this value.
`protected void`	`addExtensionKeys(Collection exts)` Add all the known extension keys to the specified collection; any implementation that utilized new extensions should override this method to include both the known extensions of its superclass as well as its own extension keys.
`void`	`backingMember(Member member)` Supply the backing member object; this allows us to utilize parameterized type information if available.
`int`	`compareTo(Object other)`
`void`	`copy(FieldMetaData field)` Copy state from the given field to this one.
`void`	`copy(ValueMetaData vmd)` Copy state from the given value to this one.
`boolean`	`equals(Object other)`
`Member`	`getBackingMember()` Return the backing member supplied in `backingMember(java.lang.reflect.Member)`.
`int`	`getCascadeAttach()` Cascade behavior for attach operation.
`int`	`getCascadeDelete()` Cascade behavior for delete operation.
`int`	`getCascadePersist()` Cascade behavior for persist operation.
`int`	`getCascadeRefresh()` Cascade behavior for refresh operation.
`String[]`	`getComments()` Return comments, or empty array if none.
`String[]`	`getCustomFetchGroups()` Gets the name of the custom fetch groups those are associated to this receiver.
`int`	`getDeclaredIndex()` The relative index of this persistent/transactional field.
`Class`	`getDeclaredType()` Return the declared class of the value.
`int`	`getDeclaredTypeCode()` Return the declared type code of the value.
`ClassMetaData`	`getDeclaredTypeMetaData()` Return metadata for the value's class, if the type is persistent.
`ClassMetaData`	`getDeclaringMetaData()` The declaring class.
`Class`	`getDeclaringType()` The declaring class.
`ClassMetaData`	`getDefiningMetaData()` The class that defines the metadata for this field.
`ValueMetaData`	`getElement()` Metadata about the element value.
`ClassMetaData`	`getEmbeddedMetaData()` The embedded class metadata for the value.
`String`	`getExternalizer()` The name of this field's externalizer, or null if none.
`Method`	`getExternalizerMethod()` The externalizer method.
`Object`	`getExternalValue(Object val, StoreContext ctx)` Convert the given field value to its external value through the provided externalizer, or return the value as-is if no externalizer.
`Map`	`getExternalValueMap()` Return the mapping of field values to external values.
`String`	`getExternalValues()` Properties string mapping field values to external values.
`String`	`getFactory()` The name of this field's factory, or null if none.
`Member`	`getFactoryMethod()` The factory method or constructor.
`FieldMetaData`	`getFieldMetaData()` Return the owning field for this value.
`Object`	`getFieldValue(Object val, StoreContext ctx)` Return the result of passing the given external value through the factory to get the field value.
`Map`	`getFieldValueMap()` Return the mapping of external values to field values.
`String`	`getFullName()` Deprecated. Use getFullName(boolean) instead.
`String`	`getFullName(boolean embedOwner)` The field name, qualified by the owning class and optionally the embedding owner's name (if any).
`int`	`getIndex()` The absolute index of this persistent/transactional field.
`Object`	`getInitializer()` The initializer used by the field, or null if none.
`String`	`getInverse()` Logical inverse field.
`FieldMetaData[]`	`getInverseMetaDatas()` Return all inverses of this field.
`ValueMetaData`	`getKey()` Metadata about the key value.
`int`	`getListingIndex()` The index in which this field was listed in the metadata.
`String`	`getLoadFetchGroup()` The fetch group that is to be loaded when this receiver is loaded, or null if none set.
`int`	`getManagement()` Return the management level for the field.
`String`	`getMappedBy()` The field that this field shares a mapping with.
`FieldMetaData`	`getMappedByMetaData()` The field that this field shares a mapping with.
`String`	`getName()` The field name.
`int`	`getNullValue()` How the data store should treat null values for this field: `NULL_UNSET`: no value supplied `NULL_NONE`: leave null values as null in the data store `NULL_EXCEPTION`: throw an exception if this field is null at commit `NULL_DEFAULT`: use the database default if this field is null at commit Defaults to `NULL_UNSET`.
`Class`	`getObjectIdFieldType()` For a primary key field, return the type of the corresponding object id class field.
`int`	`getObjectIdFieldTypeCode()` For a primary key field, return the type of the corresponding object id class field.
`String`	`getOrderDeclaration()` String declaring the orderings for this field to be applied on load, or null.
`Order[]`	`getOrders()` The orderings for this field to be applied on load, or empty array.
`int`	`getPrimaryKeyIndex()` The absolute primary key index for this field, or -1 if not a primary key.
`Class`	`getProxyType()` The type this field was initialized with, and therefore the type to use for proxies when loading data into this field.
`MetaDataRepository`	`getRepository()` The metadata repository.
`int`	`getResolve()` Resolve mode for this field.
`Class`	`getType()` The value class.
`int`	`getTypeCode()` The type code of the value class.
`ClassMetaData`	`getTypeMetaData()` The metadata for the value class, if the type is persistent.
`Class`	`getTypeOverride()` User-supplied type overriding assumed type based on field.
`int`	`getUpdateStrategy()` The strategy to use when updating the field.
`ValueMetaData`	`getValue()` MetaData about the field value.
`String`	`getValueMappedBy()` The field that this value shares a mapping with.
`FieldMetaData`	`getValueMappedByMetaData()` The field that this value shares a mapping with.
`SequenceMetaData`	`getValueSequenceMetaData()` Metadata for the value sequence.
`String`	`getValueSequenceName()` The value sequence name, or null for none.
`int`	`getValueStrategy()` The strategy to use for insert value generation.
`int`	`hashCode()`
`boolean`	`isDeclaredTypePC()` Whether the type is a persistence capable instance.
`boolean`	`isDefaultFetchGroupExplicit()` Whether the default fetch group setting is explicit.
`boolean`	`isEmbedded()` This attribute is a hint to the implementation to store this value in the same structure as the class, rather than as a separate datastore structure.
`boolean`	`isEmbeddedPC()` Whether this is an embedded persistence capable value.
`boolean`	`isExplicit()` Whether this field is explicitly declared in the metadata.
`boolean`	`isExternalized()` Whether the field is externalized.
`boolean`	`isInDefaultFetchGroup()` Whether this field is in the default fetch group.
`boolean`	`isInFetchGroup(String fg)` Whether this field is in the given fetch group.
`boolean`	`isLRS()` Whether this field is backed by a large result set.
`boolean`	`isMapped()` Return whether this field is mapped to the datastore.
`boolean`	`isPrimaryKey()` Whether this is a primary key field.
`boolean`	`isSerialized()` Whether this value is serialized when stored.
`boolean`	`isStream()` Whether this field is backed by a stream.
`boolean`	`isTransient()` Return whether this is a transient field.
`boolean`	`isTypePC()` Whether the type is a persistence capable instance.
`boolean`	`isUsedInOrderBy()` Check if this field is used by other field as "order by" value.
`boolean`	`isValueGenerated()`
`boolean`	`isVersion()` Whether this field holds optimistic version information.
`Object`	`order(Object val)` Order this field value when it is loaded.
`boolean`	`resolve(int mode)` Resolve and validate metadata.
`void`	`setCascadeAttach(int attach)` Cascade behavior for attach operation.
`void`	`setCascadeDelete(int delete)` Cascade behavior for deletion.
`void`	`setCascadePersist(int persist)` Cascade behavior for persist operation.
`void`	`setCascadeRefresh(int refresh)` Cascade behavior for refresh operation.
`void`	`setComments(String[] comments)` Set comments.
`void`	`setDeclaredIndex(int index)` The relative index of this persistent/transactional field.
`void`	`setDeclaredType(Class type)` Set the declared class of the value.
`void`	`setDeclaredTypeCode(int type)` Set the type code for the value.
`void`	`setDeclaringType(Class cls)` The declaring class.
`void`	`setDefaultFetchGroupExplicit(boolean explicit)` Whether the default fetch group setting is explicit.
`void`	`setEmbedded(boolean embedded)` This attribute is a hint to the implementation to store this value in the same structure as the class, rather than as a separate datastore structure.
`void`	`setExplicit(boolean explicit)` Whether this field is explicitly declared in the metadata.
`void`	`setExternalizer(String externalizer)` The name of this field's externalizer, or null if none.
`void`	`setExternalValues(String values)` Properties string mapping field values to external values.
`void`	`setFactory(String factory)` The name of this field's factory, or null if none.
`void`	`setInDefaultFetchGroup(boolean dfg)` Whether this field is in the default fetch group.
`void`	`setIndex(int index)` The absolute index of this persistent/transactional field.
`void`	`setInFetchGroup(String fg, boolean in)` Set whether this field is in the given fetch group.
`void`	`setInitializer(Object initializer)` The initializer used by the field, or null if none.
`void`	`setInverse(String inverse)` Logical inverse field.
`void`	`setListingIndex(int index)` The index in which this field was listed in the metadata.
`void`	`setLoadFetchGroup(String lfg)` The fetch group that is to be loaded when this receiver is loaded, or null if none set.
`void`	`setLRS(boolean lrs)` Whether this field is backed by a large result set.
`void`	`setManagement(int manage)` Return the management level for the field.
`void`	`setMappedBy(String mapped)` The field that this field shares a mapping with.
`void`	`setNullValue(int nullValue)` How the data store should treat null values for this field: `NULL_UNSET`: no value supplied `NULL_NONE`: leave null values as null in the data store `NULL_EXCEPTION`: throw an exception if this field is null at commit `NULL_DEFAULT`: use the database default if this field is null at commit Defaults to `NULL_UNSET`.
`void`	`setOrderDeclaration(String dec)` String declaring the orderings for this field to be applied on load, or null.
`void`	`setOrders(Order[] orders)` The orderings for this field to be applied on load.
`void`	`setPrimaryKey(boolean primKey)` Whether this is a primary key field.
`void`	`setPrimaryKeyIndex(int index)` The absolute primary key index for this field, or -1 if not a primary key.
`void`	`setProxyType(Class type)` The type this field was initialized with, and therefore the type to use for proxies when loading data into this field.
`void`	`setResolve(int mode)` Resolve mode for this field.
`void`	`setResolve(int mode, boolean on)` Resolve mode for this field.
`void`	`setSerialized(boolean serialized)` Whether this value is serialized when stored.
`void`	`setStream(boolean stream)` Whether this field is backed by a stream.
`void`	`setTransient(boolean trans)` Return whether this is a transient field.
`void`	`setType(Class type)` The value class.
`void`	`setTypeCode(int code)` The type code of the value class.
`void`	`setTypeOverride(Class type)` User-supplied type overriding assumed type based on field.
`void`	`setUpdateStrategy(int strategy)` Set the update strategy.
`void`	`setUsedInOrderBy(boolean isUsed)` Whether this field is used by other field as "order by" value .
`void`	`setUsesImplData(Boolean implData)` Whether this field uses impl data in conjunction with standard field data when acting on a `OpenJPAStateManager`.
`void`	`setUsesIntermediate(boolean intermediate)` Whether this field uses intermediate data when loading/storing information through a `OpenJPAStateManager`.
`void`	`setValueGenerated(boolean generated)`
`void`	`setValueMappedBy(String mapped)` The field that this value shares a mapping with.
`void`	`setValueSequenceName(String seqName)` The value sequence name, or null for none.
`void`	`setValueStrategy(int strategy)` The strategy to use for insert value generation.
`void`	`setVersion(boolean version)` Whether this field holds optimistic version information.
`String`	`toString()`
`Boolean`	`usesImplData()` Whether this field uses impl data in conjunction with standard field data when acting on a `OpenJPAStateManager`.
`boolean`	`usesIntermediate()` Whether this field uses intermediate data when loading/storing information through a `OpenJPAStateManager`.

Methods inherited from class org.apache.openjpa.meta.Extensions
addExtension, addExtension, copy, getBooleanExtension, getBooleanExtension, getDoubleExtension, getDoubleExtension, getEmbeddedExtensions, getEmbeddedExtensions, getExtensionKeys, getExtensionKeys, getExtensionVendors, getIntExtension, getIntExtension, getObjectExtension, getObjectExtension, getStringExtension, getStringExtension, hasExtension, hasExtension, isEmpty, removeEmbeddedExtensions, removeEmbeddedExtensions, removeExtension, removeExtension, validateDataStoreExtensionPrefix, validateExtensionKeys

Methods inherited from class org.apache.openjpa.meta.Extensions

addExtension, addExtension, copy, getBooleanExtension, getBooleanExtension, getDoubleExtension, getDoubleExtension, getEmbeddedExtensions, getEmbeddedExtensions, getExtensionKeys, getExtensionKeys, getExtensionVendors, getIntExtension, getIntExtension, getObjectExtension, getObjectExtension, getStringExtension, getStringExtension, hasExtension, hasExtension, isEmpty, removeEmbeddedExtensions, removeEmbeddedExtensions, removeExtension, removeExtension, validateDataStoreExtensionPrefix, validateExtensionKeys

Methods inherited from class java.lang.Object
`clone, finalize, getClass, notify, notifyAll, wait, wait, wait`

Field Detail

NULL_UNSET

public static final int NULL_UNSET

Constant specifying that no null-value was given.

See Also:: Constant Field Values

NULL_NONE

public static final int NULL_NONE

Constant specifying to use a datastore null to persist null values in object fields.

See Also:: Constant Field Values

NULL_DEFAULT

public static final int NULL_DEFAULT

Constant specifying to use a datastore default value to persist null values in object fields.

See Also:: Constant Field Values

NULL_EXCEPTION

public static final int NULL_EXCEPTION

Constant specifying to throw an exception when attempting to persist null values in object fields.

See Also:: Constant Field Values

MANAGE_PERSISTENT

public static final int MANAGE_PERSISTENT

Constant specifying the management level of a field.

See Also:: Constant Field Values

MANAGE_TRANSACTIONAL

public static final int MANAGE_TRANSACTIONAL

Constant specifying the management level of a field.

See Also:: Constant Field Values

MANAGE_NONE

public static final int MANAGE_NONE

Constant specifying the management level of a field.

See Also:: Constant Field Values

Constructor Detail

FieldMetaData

protected FieldMetaData(String name,
                        Class type,
                        ClassMetaData owner)

Constructor.

Parameters:: name - the field name; type - the field type; owner - the owning class metadata

Method Detail

backingMember

public void backingMember(Member member)

Supply the backing member object; this allows us to utilize parameterized type information if available.

getBackingMember

public Member getBackingMember()

Return the backing member supplied in backingMember(java.lang.reflect.Member).

getRepository

public MetaDataRepository getRepository()

The metadata repository.

Specified by:: getRepository in interface MetaDataContext
Specified by:: getRepository in class Extensions

getDefiningMetaData

public ClassMetaData getDefiningMetaData()

The class that defines the metadata for this field.

getDeclaringType

public Class getDeclaringType()

The declaring class.

setDeclaringType

public void setDeclaringType(Class cls)

The declaring class.

getDeclaringMetaData

public ClassMetaData getDeclaringMetaData()

The declaring class.

getName

public String getName()

The field name.

getFullName

public String getFullName()

Deprecated. Use getFullName(boolean) instead.

The field name, qualified by the owning class.

getFullName

public String getFullName(boolean embedOwner)

The field name, qualified by the owning class and optionally the embedding owner's name (if any).

getValue

public ValueMetaData getValue()

MetaData about the field value.

getKey

public ValueMetaData getKey()

Metadata about the key value.

getElement

public ValueMetaData getElement()

Metadata about the element value.

isMapped

public boolean isMapped()

Return whether this field is mapped to the datastore. By default, returns true for all persistent fields whose defining class is mapped.

getProxyType

public Class getProxyType()

The type this field was initialized with, and therefore the type to use for proxies when loading data into this field.

setProxyType

public void setProxyType(Class type)

The type this field was initialized with, and therefore the type to use for proxies when loading data into this field.

getInitializer

public Object getInitializer()

The initializer used by the field, or null if none. This is additional information for initializing the field, such as a custom Comparator used by a Set or a TimeZone used by a Calendar.

setInitializer

public void setInitializer(Object initializer)

The initializer used by the field, or null if none. This is additional information for initializing the field, such as a custom Comparator used by a Set or a TimeZone used by a Calendar.

isTransient

public boolean isTransient()

Return whether this is a transient field.

setTransient

public void setTransient(boolean trans)

Return whether this is a transient field.

getIndex

public int getIndex()

The absolute index of this persistent/transactional field.

setIndex

public void setIndex(int index)

The absolute index of this persistent/transactional field.

getDeclaredIndex

public int getDeclaredIndex()

The relative index of this persistent/transactional field.

setDeclaredIndex

public void setDeclaredIndex(int index)

The relative index of this persistent/transactional field.

getListingIndex

public int getListingIndex()

The index in which this field was listed in the metadata. Defaults to -1 if this field was not listed in the metadata.

setListingIndex

public void setListingIndex(int index)

The index in which this field was listed in the metadata. Defaults to -1 if this field was not listed in the metadata.

getPrimaryKeyIndex

public int getPrimaryKeyIndex()

The absolute primary key index for this field, or -1 if not a primary key. The first primary key field has index 0, the second index 1, etc.

setPrimaryKeyIndex

public void setPrimaryKeyIndex(int index)

The absolute primary key index for this field, or -1 if not a primary key. The first primary key field has index 0, the second index 1, etc.

getManagement

public int getManagement()

Return the management level for the field. Will be one of:

MANAGE_PERSISTENT: the field is persistent
MANAGE_TRANSACTIONAL: the field is transactional but not persistent
MANAGE_NONE: the field is not managed

Defaults to MANAGE_PERSISTENT.

setManagement

public void setManagement(int manage)

Return the management level for the field. Will be one of:

MANAGE_PERSISTENT: the field is persistent
MANAGE_TRANSACTIONAL: the field is transactional but not persistent
MANAGE_NONE: the field is not managed

Defaults to MANAGE_PERSISTENT.

isPrimaryKey

public boolean isPrimaryKey()

Whether this is a primary key field.

setPrimaryKey

public void setPrimaryKey(boolean primKey)

Whether this is a primary key field.

getObjectIdFieldTypeCode

public int getObjectIdFieldTypeCode()

For a primary key field, return the type of the corresponding object id class field.

getObjectIdFieldType

public Class getObjectIdFieldType()

For a primary key field, return the type of the corresponding object id class field.

isVersion

public boolean isVersion()

Whether this field holds optimistic version information.

setVersion

public void setVersion(boolean version)

Whether this field holds optimistic version information.

isInDefaultFetchGroup

public boolean isInDefaultFetchGroup()

Whether this field is in the default fetch group.

setInDefaultFetchGroup

public void setInDefaultFetchGroup(boolean dfg)

Whether this field is in the default fetch group.

isDefaultFetchGroupExplicit

public boolean isDefaultFetchGroupExplicit()

Whether the default fetch group setting is explicit.

setDefaultFetchGroupExplicit

public void setDefaultFetchGroupExplicit(boolean explicit)

Whether the default fetch group setting is explicit. Allow setting for testing.

getCustomFetchGroups

public String[] getCustomFetchGroups()

Gets the name of the custom fetch groups those are associated to this receiver. This does not include the "default" and "all" fetch groups.

Returns:: the set of fetch group names, not including the default and all fetch groups.

getLoadFetchGroup

public String getLoadFetchGroup()

The fetch group that is to be loaded when this receiver is loaded, or null if none set.

setLoadFetchGroup

public void setLoadFetchGroup(String lfg)

The fetch group that is to be loaded when this receiver is loaded, or null if none set.

isInFetchGroup

public boolean isInFetchGroup(String fg)

Whether this field is in the given fetch group.

setInFetchGroup

public void setInFetchGroup(String fg,
                            boolean in)

Set whether this field is in the given fetch group.

Parameters:: fg - is the name of a fetch group that must be present in the class that declared this field or any of its persistent superclasses.

getNullValue

public int getNullValue()

How the data store should treat null values for this field:

NULL_UNSET: no value supplied
NULL_NONE: leave null values as null in the data store
NULL_EXCEPTION: throw an exception if this field is null at commit
NULL_DEFAULT: use the database default if this field is null at commit

Defaults to NULL_UNSET.

setNullValue

public void setNullValue(int nullValue)

How the data store should treat null values for this field:

NULL_UNSET: no value supplied
NULL_NONE: leave null values as null in the data store
NULL_EXCEPTION: throw an exception if this field is null at commit
NULL_DEFAULT: use the database default if this field is null at commit

Defaults to NULL_UNSET.

isExplicit

public boolean isExplicit()

Whether this field is explicitly declared in the metadata.

setExplicit

public void setExplicit(boolean explicit)

Whether this field is explicitly declared in the metadata.

getMappedBy

public String getMappedBy()

The field that this field shares a mapping with.

setMappedBy

public void setMappedBy(String mapped)

The field that this field shares a mapping with.

getMappedByMetaData

public FieldMetaData getMappedByMetaData()

The field that this field shares a mapping with.

getInverse

public String getInverse()

Logical inverse field.

setInverse

public void setInverse(String inverse)

Logical inverse field.

getInverseMetaDatas

public FieldMetaData[] getInverseMetaDatas()

Return all inverses of this field.

getValueStrategy

public int getValueStrategy()

The strategy to use for insert value generation. One of the constants from ValueStrategies.

setValueStrategy

public void setValueStrategy(int strategy)

The strategy to use for insert value generation. One of the constants from ValueStrategies.

getValueSequenceName

public String getValueSequenceName()

The value sequence name, or null for none.

setValueSequenceName

public void setValueSequenceName(String seqName)

The value sequence name, or null for none.

getValueSequenceMetaData

public SequenceMetaData getValueSequenceMetaData()

Metadata for the value sequence.

getUpdateStrategy

public int getUpdateStrategy()

The strategy to use when updating the field.

setUpdateStrategy

public void setUpdateStrategy(int strategy)

Set the update strategy.

isLRS

public boolean isLRS()

Whether this field is backed by a large result set.

setLRS

public void setLRS(boolean lrs)

Whether this field is backed by a large result set.

isStream

public boolean isStream()

Whether this field is backed by a stream.

Since:: 1.1.0

setStream

public void setStream(boolean stream)

Whether this field is backed by a stream.

Since:: 1.1.0

usesIntermediate

public boolean usesIntermediate()

Whether this field uses intermediate data when loading/storing information through a OpenJPAStateManager. Defaults to true.

See Also:: OpenJPAStateManager.setIntermediate(int,Object)

setUsesIntermediate

public void setUsesIntermediate(boolean intermediate)

Whether this field uses intermediate data when loading/storing information through a OpenJPAStateManager. Defaults to true.

See Also:: OpenJPAStateManager.setIntermediate(int,Object)

usesImplData

public Boolean usesImplData()

Whether this field uses impl data in conjunction with standard field data when acting on a OpenJPAStateManager. Defaults to Boolean.TRUE (non-cachable impl data).

Returns:: Boolean.FALSE if this field does not use impl data, Boolean.TRUE if this field uses non-cachable impl data, or null if this field uses impl data that should be cached across instances
See Also:: OpenJPAStateManager.setImplData(int,Object)

setUsesImplData

public void setUsesImplData(Boolean implData)

Whether this field uses impl data in conjunction with standard field data when acting on a OpenJPAStateManager.

See Also:: OpenJPAStateManager.setImplData(int,Object), usesImplData()

getOrders

public Order[] getOrders()

The orderings for this field to be applied on load, or empty array.

setOrders

public void setOrders(Order[] orders)

The orderings for this field to be applied on load.

getOrderDeclaration

public String getOrderDeclaration()

String declaring the orderings for this field to be applied on load, or null. The string is of the form:
orderable[ asc|desc][, ...]
The orderable #element is used to denote the value of the field's elements.

setOrderDeclaration

public void setOrderDeclaration(String dec)

order

public Object order(Object val)

Order this field value when it is loaded.

isExternalized

public boolean isExternalized()

Whether the field is externalized.

getExternalValue

public Object getExternalValue(Object val,
                               StoreContext ctx)

Convert the given field value to its external value through the provided externalizer, or return the value as-is if no externalizer.

getFieldValue

public Object getFieldValue(Object val,
                            StoreContext ctx)

Return the result of passing the given external value through the factory to get the field value. If no factory is present, the given value is returned as-is.

getExternalizer

public String getExternalizer()

The name of this field's externalizer, or null if none.

setExternalizer

public void setExternalizer(String externalizer)

The name of this field's externalizer, or null if none.

getFactory

public String getFactory()

The name of this field's factory, or null if none.

setFactory

public void setFactory(String factory)

The name of this field's factory, or null if none.

getExternalValues

public String getExternalValues()

Properties string mapping field values to external values.

setExternalValues

public void setExternalValues(String values)

Properties string mapping field values to external values.

getExternalValueMap

public Map getExternalValueMap()

Return the mapping of field values to external values.

getFieldValueMap

public Map getFieldValueMap()

Return the mapping of external values to field values.

getExternalizerMethod

public Method getExternalizerMethod()

The externalizer method.

getFactoryMethod

public Member getFactoryMethod()

The factory method or constructor.

equals

public boolean equals(Object other)

Overrides:: equals in class Object

hashCode

public int hashCode()

Overrides:: hashCode in class Object

compareTo

public int compareTo(Object other)

toString

public String toString()

Overrides:: toString in class Object

getResolve

public int getResolve()

Resolve mode for this field.

Specified by:: getResolve in interface ValueMetaData

setResolve

public void setResolve(int mode)

Resolve mode for this field.

Specified by:: setResolve in interface ValueMetaData

setResolve

public void setResolve(int mode,
                       boolean on)

Resolve mode for this field.

Specified by:: setResolve in interface ValueMetaData

resolve

public boolean resolve(int mode)

Resolve and validate metadata. Return true if already resolved.

Specified by:: resolve in interface ValueMetaData

copy

public void copy(FieldMetaData field)

Copy state from the given field to this one. Do not copy mapping information.

addExtensionKeys

protected void addExtensionKeys(Collection exts)

Description copied from class: Extensions

Add all the known extension keys to the specified collection; any implementation that utilized new extensions should override this method to include both the known extensions of its superclass as well as its own extension keys.

Overrides:: addExtensionKeys in class Extensions

getComments

public String[] getComments()

Description copied from interface: Commentable

Return comments, or empty array if none.

Specified by:: getComments in interface Commentable

setComments

public void setComments(String[] comments)

Description copied from interface: Commentable

Set comments.

Specified by:: setComments in interface Commentable