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oracle.toplink.descriptors
Class CMPPolicy

java.lang.Object
oracle.toplink.descriptors.CMPPolicy

All Implemented Interfaces:

java.io.Serializable

public class CMPPolicy

extends java.lang.Object

implements java.io.Serializable

Description: Place holder for CMP specific information. This class can be set on the ClassDescriptor.

Since:

TopLink 10.1.3

See Also:

PessimisticLockingPolicy, Serialized Form

Field Summary

static int	AFTER_EJBCREATE issue SQL after ejbCreate but before ejbPostCreate
static int	AFTER_EJBPOSTCREATE issue SQL after ejbPostCreate
static int	ALL_MODIFICATIONS defer all modifications, inserts and deletes included (default)
static int	NONE defer no changes
static boolean	OPTIMIZE_PESSIMISTIC_CMP
static int	UNDEFINED undefined if it is non-deferred issue sql at create
static int	UPDATE_MODIFICATIONS defer updates

Constructor Summary

CMPPolicy()

Method Summary

int	getDeferModificationsUntilCommit() ADVANCED: This can be used to control when changes to objects are submitted to the database This is only applicable to TopLink's CMP implementation and not available within the core.
boolean	getForceUpdate() ADVANCED: Return true if descriptor is set to always update all registered objects of this type
java.lang.Class	getMappedClass() Answer the mapped class.
int	getNonDeferredCreateTime() ADVANCED: This setting is only available for CMP beans that are not being deferred.
PessimisticLockingPolicy	getPessimisticLockingPolicy() Return the policy for bean pessimistic locking
boolean	getUpdateAllFields() ADVANCED: Return true if descriptor is set to update all fields for an object of this type when an update occurs.
boolean	hasPessimisticLockingPolicy() Return true if bean pessimistic locking is configured
void	setDeferModificationsUntilCommit(int deferralLevel) ADVANCED: This can be set to control when changes to objects are submitted to the database This is only applicable to TopLink's CMP implementation and not available within the core.
void	setForceUpdate(boolean shouldForceUpdate) ADVANCED: Configure whether TopLink should always update all registered objects of this type.
void	setMappedClass(java.lang.Class newMappedClass) Define the mapped class.
void	setNonDeferredCreateTime(int createTime) ADVANCED: This setting is only available for CMP beans that are not being deferred.
void	setPessimisticLockingPolicy(PessimisticLockingPolicy policy) Configure bean pessimistic locking
void	setUpdateAllFields(boolean shouldUpdatAllFields) ADVANCED: Configure whether TopLink should update all fields for an object of this type when an update occurs.

Methods inherited from class java.lang.Object

equals, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Field Detail

OPTIMIZE_PESSIMISTIC_CMP

public static boolean OPTIMIZE_PESSIMISTIC_CMP

NONE

public static final int NONE

Description copied from class: CMPPolicy

defer no changes

See Also:

Constant Field Values

UPDATE_MODIFICATIONS

public static final int UPDATE_MODIFICATIONS

Description copied from class: CMPPolicy

defer updates

See Also:

Constant Field Values

ALL_MODIFICATIONS

public static final int ALL_MODIFICATIONS

Description copied from class: CMPPolicy

defer all modifications, inserts and deletes included (default)

See Also:

Constant Field Values

UNDEFINED

public static final int UNDEFINED

Description copied from class: CMPPolicy

undefined if it is non-deferred issue sql at create

See Also:

Constant Field Values

AFTER_EJBCREATE

public static final int AFTER_EJBCREATE

Description copied from class: CMPPolicy

issue SQL after ejbCreate but before ejbPostCreate

See Also:

Constant Field Values

AFTER_EJBPOSTCREATE

public static final int AFTER_EJBPOSTCREATE

Description copied from class: CMPPolicy

issue SQL after ejbPostCreate

See Also:

Constant Field Values

Constructor Detail

CMPPolicy

public CMPPolicy()

Method Detail

getNonDeferredCreateTime

public int getNonDeferredCreateTime()

ADVANCED: This setting is only available for CMP beans that are not being deferred. Using it will allow TopLink to determine if the INSERT SQL should be sent to the database before or after the postCreate call.

getPessimisticLockingPolicy

public PessimisticLockingPolicy getPessimisticLockingPolicy()

Return the policy for bean pessimistic locking

See Also:

#oracle.toplink.descriptors.PessimisticLockingPolicy

setDeferModificationsUntilCommit

public void setDeferModificationsUntilCommit(int deferralLevel)

ADVANCED: This can be set to control when changes to objects are submitted to the database This is only applicable to TopLink's CMP implementation and not available within the core.

setMappedClass

public void setMappedClass(java.lang.Class newMappedClass)

Define the mapped class. This is the class which was originally mapped in the MW

Parameters:

Class - newMappedClass

getMappedClass

public java.lang.Class getMappedClass()

Answer the mapped class. This is the class which was originally mapped in the MW

setNonDeferredCreateTime

public void setNonDeferredCreateTime(int createTime)

ADVANCED: This setting is only available for CMP beans that are not being deferred. Using it will allow TopLink to determine if the INSERT SQL should be sent to the database before or after the postCreate call.

setPessimisticLockingPolicy

public void setPessimisticLockingPolicy(PessimisticLockingPolicy policy)

Configure bean pessimistic locking

Parameters:

PessimisticLockingPolicy - policy

See Also:

#oracle.toplink.descriptors.PessimisticLockingPolicy

hasPessimisticLockingPolicy

public boolean hasPessimisticLockingPolicy()

Return true if bean pessimistic locking is configured

getDeferModificationsUntilCommit

public int getDeferModificationsUntilCommit()

ADVANCED: This can be used to control when changes to objects are submitted to the database This is only applicable to TopLink's CMP implementation and not available within the core.

getForceUpdate

public boolean getForceUpdate()

ADVANCED: Return true if descriptor is set to always update all registered objects of this type

setForceUpdate

public void setForceUpdate(boolean shouldForceUpdate)

ADVANCED: Configure whether TopLink should always update all registered objects of this type. NOTE: if set to true, then updateAllFields must also be set to true

Parameters:

boolean - shouldForceUpdate

getUpdateAllFields

public boolean getUpdateAllFields()

ADVANCED: Return true if descriptor is set to update all fields for an object of this type when an update occurs.

setUpdateAllFields

public void setUpdateAllFields(boolean shouldUpdatAllFields)

ADVANCED: Configure whether TopLink should update all fields for an object of this type when an update occurs.

Parameters:

boolean - shouldUpdatAllFields

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