org.jpox.store.mapping
Class ArrayMapping

java.lang.Object
  org.jpox.store.mapping.JavaTypeMapping
      org.jpox.store.mapping.SingleFieldMapping
          org.jpox.store.mapping.AbstractContainerMapping
              org.jpox.store.mapping.ArrayMapping

All Implemented Interfaces:

MappingCallbacks

Direct Known Subclasses:

OracleArrayMapping

public class ArrayMapping
extends AbstractContainerMapping
implements MappingCallbacks

Mapping for an array.

Version:

$Revision: 1.11 $

Field Summary

Fields inherited from class org.jpox.store.mapping.AbstractContainerMapping

contentsStore, contentsTable, fieldName, instantiatedType, storeMgr

Fields inherited from class org.jpox.store.mapping.SingleFieldMapping

datastoreContainer, typeInfo

Fields inherited from class org.jpox.store.mapping.JavaTypeMapping

datastoreMappings, dba, fmd, LOCALISER, referenceMapping, type

Constructor Summary

ArrayMapping(DatastoreAdapter dba, AbstractPropertyMetaData fmd, DatastoreContainerObject datastoreContainer, ClassLoaderResolver clr)
Creates a new ArrayMapping object.

ArrayMapping(DatastoreAdapter dba, java.lang.String type)
Creates a new ArrayMapping object.

Method Summary

void	deleteDependent(StateManager sm) Method to delete all dependent objects (the contents of the array).
boolean	equals(java.lang.Object obj) Equality operator.
ArrayStore	getBackingStore(ClassLoaderResolver clr) Accessor for the Store of the contents.
java.lang.Class	getJavaType() Accessor for the Java type represented here.
java.lang.Object	getSampleValue() Accessor for a sample value for this mapping.
ScalarExpression	newLiteral(QueryExpression qs, java.lang.Object value) Accessor for a literal representing this type.
ScalarExpression	newScalarExpression(QueryExpression qs, LogicSetExpression te) Accessor for a scalar expression involving this object.
void	postFetch(StateManager sm) Method to be called after any fetch of the owner class element.
void	postInsert(StateManager sm) Method to be called after the insert of the owner class element.
void	postUpdate(StateManager sm) Method to be called after any update of the owner class element.
void	preDelete(StateManager sm) Method to be called before any delete of the owner class element, if the field in the owner is dependent

Methods inherited from class org.jpox.store.mapping.AbstractContainerMapping

containerIsStoredInSingleColumn, getDatastoreContainer, getDataStoreMapping, getDataStoreMappings, getNumberOfDatastoreFields, getObject, hashCode, includeInFetchStatement, includeInInsertStatement, includeInUpdateStatement, newWrapper, prepareDatastoreMapping, setObject, validateElementForWriting, validateElementsForWriting

Methods inherited from class org.jpox.store.mapping.SingleFieldMapping

getBoolean, getByte, getChar, getDouble, getFloat, getInt, getLong, getShort, getString, hasValue, setBoolean, setByte, setChar, setDouble, setFloat, setInt, setLong, setShort, setString

Methods inherited from class org.jpox.store.mapping.JavaTypeMapping

addDataStoreMapping, failureMessage, getFieldMetaData, getObject, getReferenceMapping, getType, isNullable, setDefault, setObject, setReferenceMapping

Methods inherited from class java.lang.Object

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

Constructor Detail

ArrayMapping

public ArrayMapping(DatastoreAdapter dba,
                    java.lang.String type)

Creates a new ArrayMapping object.

Parameters:

dba - Datastore Adapter

type - Type of the field

ArrayMapping

public ArrayMapping(DatastoreAdapter dba,
                    AbstractPropertyMetaData fmd,
                    DatastoreContainerObject datastoreContainer,
                    ClassLoaderResolver clr)

Creates a new ArrayMapping object.

Parameters:

dba - Datastore Adapter

fmd - AbstractPropertyMetaData for the field to be mapped

datastoreContainer - Table containing the field

clr - The ClassLoaderResolver

Method Detail

equals

public boolean equals(java.lang.Object obj)

Equality operator.

Overrides:

equals in class SingleFieldMapping

Parameters:

obj - Object to compare against

Returns:

Whether they are equal

getJavaType

public java.lang.Class getJavaType()

Accessor for the Java type represented here.

Specified by:

getJavaType in class JavaTypeMapping

Returns:

The java type

getSampleValue

public java.lang.Object getSampleValue()

Accessor for a sample value for this mapping.

Overrides:

getSampleValue in class AbstractContainerMapping

Returns:

The sample value

getBackingStore

public ArrayStore getBackingStore(ClassLoaderResolver clr)

Accessor for the Store of the contents.

Parameters:

clr - The ClassLoaderResolver

Returns:

The backing store

postInsert

public void postInsert(StateManager sm)

Method to be called after the insert of the owner class element.

Specified by:

postInsert in interface MappingCallbacks

Parameters:

sm - StateManager of the owner

postFetch

public void postFetch(StateManager sm)

Method to be called after any fetch of the owner class element.

Specified by:

postFetch in interface MappingCallbacks

Overrides:

postFetch in class AbstractContainerMapping

Parameters:

sm - StateManager of the owner

postUpdate

public void postUpdate(StateManager sm)

Method to be called after any update of the owner class element.

Specified by:

postUpdate in interface MappingCallbacks

Parameters:

sm - StateManager of the owner

preDelete

public void preDelete(StateManager sm)

Method to be called before any delete of the owner class element, if the field in the owner is dependent

Specified by:

preDelete in interface MappingCallbacks

Parameters:

sm - StateManager of the owner

deleteDependent

public void deleteDependent(StateManager sm)

Method to delete all dependent objects (the contents of the array).

Specified by:

deleteDependent in interface MappingCallbacks

Parameters:

sm - State Manager of the owner

newLiteral

public ScalarExpression newLiteral(QueryExpression qs,
                                   java.lang.Object value)

Accessor for a literal representing this type.

Specified by:

newLiteral in class JavaTypeMapping

Parameters:

qs - The Query

value - the value of this object in the literal

Returns:

The literal

newScalarExpression

public ScalarExpression newScalarExpression(QueryExpression qs,
                                            LogicSetExpression te)

Accessor for a scalar expression involving this object.

Specified by:

newScalarExpression in class JavaTypeMapping

Parameters:

qs - The Query

te - The table holding this object.

Returns:

The expression