oracle.toplink.essentials.descriptors.invalidation

Class NoExpiryCacheInvalidationPolicy

java.lang.Object

oracle.toplink.essentials.descriptors.invalidation.CacheInvalidationPolicy

oracle.toplink.essentials.descriptors.invalidation.NoExpiryCacheInvalidationPolicy

All Implemented Interfaces:

Serializable

public class NoExpiryCacheInvalidationPolicy
extends CacheInvalidationPolicy

PUBLIC: A cache invalidation policy in which no objects will expire. The only way for objects to become invalid in the cache is for them to be explicitly set to invalid through method calls on the IdentityMapAccessor. This is the default cache invalidation policy.

See Also:

CacheInvalidationPolicy, IdentityMapAccessor, Serialized Form

Field Summary

Fields inherited from class oracle.toplink.essentials.descriptors.invalidation.CacheInvalidationPolicy

NO_EXPIRY, shouldUpdateReadTimeOnUpdate

Constructor Summary

Constructors

Constructor and Description
NoExpiryCacheInvalidationPolicy()

Method Summary

Modifier and Type	Method and Description
long	getExpiryTimeInMillis(CacheKey key) INTERNAL: Since this policy implements no expiry, this will always return NO_EXPIRY
long	getRemainingValidTime(CacheKey key) INTERNAL: Return the remaining life of this object Override the default implementation.
boolean	isInvalidated(CacheKey key, long currentTimeMillis) INTERNAL: This will return true if the object is set to be invalid, false otherwise.

Methods inherited from class oracle.toplink.essentials.descriptors.invalidation.CacheInvalidationPolicy

setShouldUpdateReadTimeOnUpdate, shouldUpdateReadTimeOnUpdate

Methods inherited from class java.lang.Object

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

Constructor Detail

NoExpiryCacheInvalidationPolicy

public NoExpiryCacheInvalidationPolicy()

Method Detail

getExpiryTimeInMillis

public long getExpiryTimeInMillis(CacheKey key)

INTERNAL: Since this policy implements no expiry, this will always return NO_EXPIRY

Specified by:

getExpiryTimeInMillis in class CacheInvalidationPolicy

getRemainingValidTime

public long getRemainingValidTime(CacheKey key)

INTERNAL: Return the remaining life of this object Override the default implementation.

Overrides:

getRemainingValidTime in class CacheInvalidationPolicy

isInvalidated

public boolean isInvalidated(CacheKey key,
                             long currentTimeMillis)

INTERNAL: This will return true if the object is set to be invalid, false otherwise.

Specified by:

isInvalidated in class CacheInvalidationPolicy