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oracle.toplink.objectrelational
Class NestedTableMapping

java.lang.Object
  |
  +--oracle.toplink.mappings.DatabaseMapping
        |
        +--oracle.toplink.mappings.ForeignReferenceMapping
              |
              +--oracle.toplink.mappings.CollectionMapping
                    |
                    +--oracle.toplink.objectrelational.NestedTableMapping
All Implemented Interfaces:
java.lang.Cloneable, ContainerMapping, java.io.Serializable
public class NestedTableMapping
extends CollectionMapping

Purpose: Nested tables are similar to VARRAYs except internally they store their information in a separate table from their parent structure's table. The advantage of nested tables is that they support querying and joining much better than varrays that are inlined into the parent table. A nested table is typically used to represent a one-to-many or many-to-many relationship of references to another independent structure. TopLink supports storing a nested table of values into a single field.

NOTE: Only Oracle8i supports nested tables type.

Since:
TOPLink/Java 2.5
See Also:
Serialized Form

Constructor Summary
NestedTableMapping()
          PUBLIC: Default constructor.
 
Method Summary
TypeMethod
 java.lang.String getFieldName()
          PUBLIC: Return the name of the field this mapping represents.
 java.lang.String getStructureName()
          PUBLIC: Return the structure name of the nestedTable.
 void setFieldName(java.lang.String FieldName)
          PUBLIC: Set the field name in the mapping.
 void setStructureName(java.lang.String structureName)
          PUBLIC: Set the name of the structure.
 
Methods inherited from class oracle.toplink.mappings.CollectionMapping
addAscendingOrdering, addDescendingOrdering, setContainerPolicy, setCustomDeleteAllQuery, setDeleteAllSQLString, setSessionName, useCollectionClass, useMapClass, useTransparentCollection, useTransparentMap
 
Methods inherited from class oracle.toplink.mappings.ForeignReferenceMapping
dontUseBatchReading, dontUseIndirection, getReferenceClass, getRelationshipPartnerAttributeName, privateOwnedRelationship, setCustomSelectionQuery, setIndirectionPolicy, setReferenceClass, setRelationshipPartnerAttributeName, setSelectionCriteria, setSelectionSQLString, setUsesBatchReading, setUsesIndirection, shouldUseBatchReading, useBasicIndirection, useBatchReading, useContainerIndirection, useIndirection, usesIndirection
 
Methods inherited from class oracle.toplink.mappings.DatabaseMapping
getAttributeClassification, getAttributeName, getGetMethodName, getSetMethodName, readOnly, readWrite, setAttributeName, setGetMethodName, setIsReadOnly, setSetMethodName, setWeight
 
Methods inherited from class java.lang.Object
equals, getClass, hashCode, notify, notifyAll, wait, wait, wait
 

Constructor Detail

NestedTableMapping

public NestedTableMapping()
PUBLIC: Default constructor.
Method Detail

getFieldName

public java.lang.String getFieldName()
PUBLIC: Return the name of the field this mapping represents.

getStructureName

public java.lang.String getStructureName()
PUBLIC: Return the structure name of the nestedTable. This is the name of the user defined data type as defined on the database.

setFieldName

public void setFieldName(java.lang.String FieldName)
PUBLIC: Set the field name in the mapping.

setStructureName

public void setStructureName(java.lang.String structureName)
PUBLIC: Set the name of the structure. This is the name of the user defined nested table data type as defined on the database.
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