Class CollectionMapping

java.lang.Object

org.datanucleus.store.rdbms.mapping.java.JavaTypeMapping

org.datanucleus.store.rdbms.mapping.java.SingleFieldMapping

org.datanucleus.store.rdbms.mapping.java.AbstractContainerMapping

org.datanucleus.store.rdbms.mapping.java.CollectionMapping

All Implemented Interfaces:

MappingCallbacks

public class CollectionMapping
extends AbstractContainerMapping
implements MappingCallbacks

Mapping for Collection types.

Field Summary

Fields inherited from class SingleFieldMapping

EXTENSION_CHECK_CONSTRAINT_VALUES

Fields inherited from class JavaTypeMapping

absFieldNumber, columnMappings, mmd, referenceMapping, roleForMember, storeMgr, table, type

Constructor Summary

Constructors

Constructor	Description
CollectionMapping()

Method Summary

Modifier and Type	Method	Description
Class	getJavaType()	Accessor for the Java type represented here.
void	postInsert(org.datanucleus.state.DNStateManager ownerSM)	Method called after the insert of the object so that additional operations can be performed if necessary.
void	postUpdate(org.datanucleus.state.DNStateManager ownerSM)	Method to be called after any update of the owner class element.
void	preDelete(org.datanucleus.state.DNStateManager ownerSM)	Method called before the delete of objects, so that additional operations can be performed if necessary.

Methods inherited from class AbstractContainerMapping

containerIsStoredInSingleColumn, getColumnMapping, getColumnMappings, getJavaTypeForColumnMapping, getNumberOfColumnMappings, getObject, getTable, hasSimpleDatastoreRepresentation, includeInFetchStatement, includeInInsertStatement, includeInUpdateStatement, initialize, postFetch, prepareColumnMapping, replaceFieldWithWrapper, setObject

Methods inherited from class SingleFieldMapping

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

Methods inherited from class JavaTypeMapping

addColumnMapping, equals, failureMessage, getAbsoluteFieldNumber, getColumnMetaDataForMember, getMemberMetaData, getObject, getReferenceMapping, getRoleForMember, getStoreManager, getType, getValueForColumnMapping, hashCode, initialize, isNullable, isSerialised, performSetPostProcessing, representableAsStringLiteralInStatement, requiresSetPostProcessing, setAbsFieldNumber, setMemberMetaData, setObject, setReferenceMapping, setRoleForMember, setTable

Methods inherited from class Object

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

Methods inherited from interface MappingCallbacks

postFetch

Constructor Details

CollectionMapping

public CollectionMapping()

Method Details

getJavaType

public Class getJavaType()

Accessor for the Java type represented here.

Specified by:

getJavaType in class JavaTypeMapping

Returns:

The java type

postInsert

public void postInsert(org.datanucleus.state.DNStateManager ownerSM)

Description copied from interface: MappingCallbacks

Method called after the insert of the object so that additional operations can be performed if necessary.

Specified by:

postInsert in interface MappingCallbacks

Parameters:

ownerSM - StateManager of the owner

postUpdate

public void postUpdate(org.datanucleus.state.DNStateManager ownerSM)

Method to be called after any update of the owner class element. This method could be called in two situations

• Update a collection field of an object by replacing the collection with a new collection, so UpdateRequest is called, which calls here
• Persist a new object, and it needed to wait til the element was inserted so goes into dirty state and then flush() triggers UpdateRequest, which comes here

Specified by:

postUpdate in interface MappingCallbacks

Parameters:

ownerSM - StateManager of the owner

preDelete

public void preDelete(org.datanucleus.state.DNStateManager ownerSM)

Description copied from interface: MappingCallbacks

Method called before the delete of objects, so that additional operations can be performed if necessary.

Specified by:

preDelete in interface MappingCallbacks

Parameters:

ownerSM - StateManager of the owner