Module org.eclipse.persistence.core

Package org.eclipse.persistence.internal.oxm

Class QNameInheritancePolicy

java.lang.Object

org.eclipse.persistence.core.descriptors.CoreInheritancePolicy<AbstractRecord,AbstractSession,ClassDescriptor,DatabaseField>

org.eclipse.persistence.descriptors.InheritancePolicy

org.eclipse.persistence.internal.oxm.QNameInheritancePolicy

All Implemented Interfaces:

Serializable, Cloneable

public class QNameInheritancePolicy
extends InheritancePolicy

INTERNAL:

Purpose: A Subclass of Inheritance Policy to be used with XML Descriptors. If the class indicator field is an xsi:type, the value of that field may be a qualified type name. For example xsi:type="myns:my-type-name". Since any given XML document can use different prefixes for these namespaces, we must be able to find the class based on QName instead of just the string "myns:my-type-name".

Since:

10.1.3

See Also:

• Serialized Form

Field Summary

Fields inherited from class org.eclipse.persistence.descriptors.InheritancePolicy

allChildClassIndicators, allTables, childDescriptors, childrenJoinExpression, childrenTables, childrenTablesJoinExpressions, classExtractor, classExtractorName, classIndicatorField, classIndicatorMapping, classNameIndicatorMapping, describesNonPersistentSubclasses, descriptor, isJoinedStrategy, onlyInstancesExpression, parentClass, parentClassName, parentDescriptor, readAllSubclassesView, rootParentDescriptor, shouldAlwaysUseOuterJoin, shouldOuterJoinSubclasses, shouldReadSubclasses, shouldUseClassNameAsIndicator, useDescriptorsToValidateInheritedObjects, withAllSubclassesExpression

Constructor Summary

Constructors

Constructor	Description
QNameInheritancePolicy()
QNameInheritancePolicy(ClassDescriptor desc)

Method Summary

Modifier and Type	Method	Description
void	addClassIndicatorFieldToRow(AbstractRecord databaseRow)	INTERNAL: Add abstract class indicator information to the database row.
Class<?>	classFromRow(AbstractRecord rowFromDatabase, AbstractSession session)	INTERNAL: This method is invoked only for the abstract descriptors.
void	initialize(AbstractSession session)	INTERNAL: Initialized the inheritance properties of the descriptor once the mappings are initialized.
void	preInitialize(AbstractSession session)	INTERNAL: Allow the inheritance properties of the descriptor to be initialized.
void	setClassIndicatorFieldName(String fieldName)	PUBLIC: To set the class indicator field name.
void	setNamespaceResolver(NamespaceResolver resolver)
protected void	updateTables()	Override to control order of uniqueTables, child tablenames should be first since getDefaultRootElement on an XMLDescriptor will return the first table.

Methods inherited from class org.eclipse.persistence.descriptors.InheritancePolicy

addChildDescriptor, addChildTableJoinExpression, addChildTableJoinExpressionToAllParents, addClassIndicator, addClassIndicatorFieldToInsertRow, addClassIndicatorTypeToParent, addClassNameIndicator, addFieldsToParent, appendWithAllSubclassesExpression, buildClassIndicatorSelectStatement, buildViewSelectStatement, classFromValue, clone, convertClassNamesToClasses, convertClassNameToClass, dontReadSubclassesOnQueries, dontUseClassNameAsIndicator, getAllChildClassIndicators, getAllChildDescriptors, getAllChildDescriptors, getAllTables, getChildDescriptors, getChildrenJoinExpression, getChildrenTables, getChildrenTablesJoinExpressions, getClassExtractionMethod, getClassExtractionMethodName, getClassExtractor, getClassIndicatorAssociations, getClassIndicatorField, getClassIndicatorFieldName, getClassIndicatorMapping, getClassIndicatorValue, getClassIndicatorValue, getClassNameIndicatorMapping, getDescribesNonPersistentSubclasses, getDescriptor, getDescriptor, getOnlyInstancesExpression, getParentClass, getParentClassName, getParentDescriptor, getReadAllSubclassesView, getReadAllSubclassesViewName, getRootParentDescriptor, getSubclassDescriptor, getUseDescriptorsToValidateInheritedObjects, getWithAllSubclassesExpression, hasChildren, hasClassExtractor, hasClassIndicator, hasMultipleTableChild, hasView, initializeCacheInvalidationPolicy, initializeClassExtractor, initializeOnlyInstancesExpression, initializeOptimisticLocking, initializeWithAllSubclassesExpression, isChildDescriptor, isJoinedStrategy, isRootParentDescriptor, postInitialize, readSubclassesOnQueries, remoteInitialization, removeChildren, requiresMultipleTableSubclassRead, selectAllRowUsingCustomMultipleTableSubclassRead, selectAllRowUsingDefaultMultipleTableSubclassRead, selectAllRowUsingMultipleTableSubclassRead, selectOneRowUsingCustomMultipleTableSubclassRead, selectOneRowUsingDefaultMultipleTableSubclassRead, selectOneRowUsingMultipleTableSubclassRead, setAllChildClassIndicators, setAlwaysUseOuterJoinForClassType, setChildDescriptors, setClassExtractionMethodName, setClassExtractor, setClassExtractorName, setClassIndicatorAssociations, setClassIndicatorField, setClassIndicatorMapping, setClassNameIndicatorMapping, setDescribesNonPersistentSubclasses, setDescriptor, setJoinedStrategy, setOnlyInstancesExpression, setParentClass, setParentClassName, setParentDescriptor, setReadAllSubclassesView, setReadAllSubclassesViewName, setShouldOuterJoinSubclasses, setShouldReadSubclasses, setShouldReadSubclasses, setShouldUseClassNameAsIndicator, setSingleTableStrategy, setUseDescriptorsToValidateInheritedObjects, setWithAllSubclassesExpression, shouldAlwaysUseOuterJoin, shouldOuterJoinSubclasses, shouldReadSubclasses, shouldReadSubclassesValue, shouldUseClassNameAsIndicator, toString, useClassNameAsIndicator

Methods inherited from class java.lang.Object

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

Constructor Details

QNameInheritancePolicy

public QNameInheritancePolicy()

QNameInheritancePolicy

public QNameInheritancePolicy(ClassDescriptor desc)

Method Details

updateTables

protected void updateTables()

Override to control order of uniqueTables, child tablenames should be first since getDefaultRootElement on an XMLDescriptor will return the first table.

Overrides:

updateTables in class InheritancePolicy

preInitialize

public void preInitialize(AbstractSession session)
                   throws DescriptorException

INTERNAL: Allow the inheritance properties of the descriptor to be initialized. The descriptor's parent must first be initialized.

Overrides:

preInitialize in class InheritancePolicy

Throws:

DescriptorException

initialize

public void initialize(AbstractSession session)

INTERNAL: Initialized the inheritance properties of the descriptor once the mappings are initialized. This is done before formal postInitialize during the end of mapping initialize.

Overrides:

initialize in class InheritancePolicy

classFromRow

public Class<?> classFromRow(AbstractRecord rowFromDatabase,
 AbstractSession session)
                      throws DescriptorException

INTERNAL: This method is invoked only for the abstract descriptors.

Overrides:

classFromRow in class InheritancePolicy

Throws:

DescriptorException

setNamespaceResolver

public void setNamespaceResolver(NamespaceResolver resolver)

setClassIndicatorFieldName

public void setClassIndicatorFieldName(String fieldName)

PUBLIC: To set the class indicator field name. This is the name of the field in the table that stores what type of object this is.

Overrides:

setClassIndicatorFieldName in class InheritancePolicy

addClassIndicatorFieldToRow

public void addClassIndicatorFieldToRow(AbstractRecord databaseRow)

INTERNAL: Add abstract class indicator information to the database row. This is required when building a row for an insert or an update of a concrete child descriptor.

Overrides:

addClassIndicatorFieldToRow in class InheritancePolicy