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java.lang.Objectorg.eclipse.persistence.mappings.DatabaseMapping
org.eclipse.persistence.mappings.foundation.AbstractCompositeDirectCollectionMapping
org.eclipse.persistence.mappings.structures.ArrayMapping
public class ArrayMapping
Purpose: In an object-relational data model, structures can contain "Arrays" or collections of other data-types. In Oracle 8i, a "VARRAY" is typically used to represent a collection of primitive data or aggregate structures. These arrays are stored with their parent structure in the same table.
StructureMapping
,
NestedTableMapping
,
ReferenceMapping
,
Serialized FormNested Class Summary |
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Nested classes/interfaces inherited from class org.eclipse.persistence.mappings.DatabaseMapping |
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DatabaseMapping.WriteType |
Constructor Summary | |
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ArrayMapping()
Default constructor. |
Method Summary | |
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org.eclipse.persistence.internal.sessions.ChangeRecord |
compareForChange(Object clone,
Object backup,
org.eclipse.persistence.internal.sessions.ObjectChangeSet owner,
org.eclipse.persistence.internal.sessions.AbstractSession session)
INTERNAL: Build and return the change record that results from comparing the two direct collection attributes. |
boolean |
compareObjects(Object object1,
Object object2,
org.eclipse.persistence.internal.sessions.AbstractSession session)
INTERNAL: Compare the attributes belonging to this mapping for the objects. |
String |
getElementDataTypeName()
PUBLIC: Return the "data type" associated with each element in the nested collection. |
String |
getStructureName()
PUBLIC: Return the name of the structure. |
void |
initialize(org.eclipse.persistence.internal.sessions.AbstractSession session)
INTERNAL: Initialize the mapping. |
void |
mergeChangesIntoObject(Object target,
org.eclipse.persistence.internal.sessions.ChangeRecord changeRecord,
Object source,
org.eclipse.persistence.internal.sessions.MergeManager mergeManager)
INTERNAL: Merge changes from the source to the target object. |
void |
mergeIntoObject(Object target,
boolean isTargetUnInitialized,
Object source,
org.eclipse.persistence.internal.sessions.MergeManager mergeManager)
INTERNAL: Merge changes from the source to the target object. |
void |
setElementDataTypeName(String elementDataTypeName)
PUBLIC: Set the "data type" associated with each element in the nested collection. |
void |
setFieldName(String fieldName)
PUBLIC: Set the name of the field that holds the nested collection. |
void |
setStructureName(String structureName)
PUBLIC: Set the name of the structure. |
void |
simpleAddToCollectionChangeRecord(Object referenceKey,
Object changeSetToAdd,
org.eclipse.persistence.internal.sessions.ObjectChangeSet changeSet,
org.eclipse.persistence.internal.sessions.AbstractSession session)
ADVANCED: This method is used to have an object add to a collection once the changeSet is applied The referenceKey parameter should only be used for direct Maps. |
void |
simpleRemoveFromCollectionChangeRecord(Object referenceKey,
Object changeSetToRemove,
org.eclipse.persistence.internal.sessions.ObjectChangeSet changeSet,
org.eclipse.persistence.internal.sessions.AbstractSession session)
ADVANCED: This method is used to have an object removed from a collection once the changeSet is applied The referenceKey parameter should only be used for direct Maps. |
Methods inherited from class java.lang.Object |
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equals, getClass, hashCode, notify, notifyAll, wait, wait, wait |
Methods inherited from interface org.eclipse.persistence.mappings.structures.ArrayCollectionMapping |
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buildAddedElementFromChangeSet, buildChangeSet, buildElementFromElement, buildRemovedElementFromChangeSet, compareElements, compareElementsForChange, getAttributeName, getRealCollectionAttributeValueFromObject, mapKeyHasChanged, setRealAttributeValueInObject |
Methods inherited from interface org.eclipse.persistence.mappings.ContainerMapping |
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getContainerPolicy, setContainerPolicy, useCollectionClass, useMapClass |
Constructor Detail |
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public ArrayMapping()
Method Detail |
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public void setFieldName(String fieldName)
public String getStructureName()
public void setStructureName(String structureName)
public String getElementDataTypeName()
public void setElementDataTypeName(String elementDataTypeName)
public void initialize(org.eclipse.persistence.internal.sessions.AbstractSession session) throws DescriptorException
initialize
in class AbstractCompositeDirectCollectionMapping
DescriptorException
public org.eclipse.persistence.internal.sessions.ChangeRecord compareForChange(Object clone, Object backup, org.eclipse.persistence.internal.sessions.ObjectChangeSet owner, org.eclipse.persistence.internal.sessions.AbstractSession session)
compareForChange
in class AbstractCompositeDirectCollectionMapping
public boolean compareObjects(Object object1, Object object2, org.eclipse.persistence.internal.sessions.AbstractSession session)
compareObjects
in class AbstractCompositeDirectCollectionMapping
public void mergeChangesIntoObject(Object target, org.eclipse.persistence.internal.sessions.ChangeRecord changeRecord, Object source, org.eclipse.persistence.internal.sessions.MergeManager mergeManager)
mergeChangesIntoObject
in class AbstractCompositeDirectCollectionMapping
public void mergeIntoObject(Object target, boolean isTargetUnInitialized, Object source, org.eclipse.persistence.internal.sessions.MergeManager mergeManager)
mergeIntoObject
in class AbstractCompositeDirectCollectionMapping
public void simpleAddToCollectionChangeRecord(Object referenceKey, Object changeSetToAdd, org.eclipse.persistence.internal.sessions.ObjectChangeSet changeSet, org.eclipse.persistence.internal.sessions.AbstractSession session)
simpleAddToCollectionChangeRecord
in class AbstractCompositeDirectCollectionMapping
public void simpleRemoveFromCollectionChangeRecord(Object referenceKey, Object changeSetToRemove, org.eclipse.persistence.internal.sessions.ObjectChangeSet changeSet, org.eclipse.persistence.internal.sessions.AbstractSession session)
simpleRemoveFromCollectionChangeRecord
in class AbstractCompositeDirectCollectionMapping
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