org.ehcache.core.spi.store

Class AbstractValueHolder<V>

java.lang.Object

org.ehcache.core.spi.store.AbstractValueHolder<V>

All Implemented Interfaces:

java.util.function.Supplier<V>, Store.ValueHolder<V>

public abstract class AbstractValueHolder<V>
extends java.lang.Object
implements Store.ValueHolder<V>

Field Summary

Fields inherited from interface org.ehcache.core.spi.store.Store.ValueHolder

NO_EXPIRE

Constructor Summary

Constructors

Modifier	Constructor and Description
protected	AbstractValueHolder(long id, long creationTime)
protected	AbstractValueHolder(long id, long creationTime, long expirationTime)

Method Summary

Modifier and Type	Method and Description
void	accessed(long now, java.time.Duration expiration)
long	creationTime() Accessor to the creation time of this ValueHolder
boolean	equals(java.lang.Object obj)
long	expirationTime() Accessor to the expiration time of this ValueHolder
long	getId() The combination of this identifier and the key that ValueHolder is mapped to should to be unique at a given time.
int	hashCode()
boolean	isExpired(long expirationTime) Check if the ValueHolder is expired relative to the specified time
long	lastAccessTime() Accessor to the last access time of the Value held in this ValueHolder
void	setExpirationTime(long expirationTime) Set the new expiration time in milliseconds.
void	setLastAccessTime(long lastAccessTime) Set the last time this entry was accessed in milliseconds.
java.lang.String	toString()

Methods inherited from class java.lang.Object

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

Methods inherited from interface org.ehcache.core.spi.store.Store.ValueHolder

get

Constructor Detail

AbstractValueHolder

protected AbstractValueHolder(long id,
                              long creationTime)

AbstractValueHolder

protected AbstractValueHolder(long id,
                              long creationTime,
                              long expirationTime)

Method Detail

creationTime

public long creationTime()

Description copied from interface: Store.ValueHolder

Accessor to the creation time of this ValueHolder

Specified by:

creationTime in interface Store.ValueHolder<V>

Returns:

the creation time in milliseconds

setExpirationTime

public void setExpirationTime(long expirationTime)

Set the new expiration time in milliseconds. Can be Store.ValueHolder.NO_EXPIRE if the entry shouldn't expire.

Parameters:

expirationTime - new expiration time

accessed

public void accessed(long now,
                     java.time.Duration expiration)

expirationTime

public long expirationTime()

Description copied from interface: Store.ValueHolder

Accessor to the expiration time of this ValueHolder

Specified by:

expirationTime in interface Store.ValueHolder<V>

Returns:

the expiration time in milliseconds. A value of Store.ValueHolder.NO_EXPIRE means that the ValueHolder will never expire.

isExpired

public boolean isExpired(long expirationTime)

Description copied from interface: Store.ValueHolder

Check if the ValueHolder is expired relative to the specified time

Specified by:

isExpired in interface Store.ValueHolder<V>

Parameters:

expirationTime - the expiration time (in ms) relative to which the expiry check must be made

Returns:

true if the ValueHolder expired relative to the given expiration time

lastAccessTime

public long lastAccessTime()

Description copied from interface: Store.ValueHolder

Accessor to the last access time of the Value held in this ValueHolder

Specified by:

lastAccessTime in interface Store.ValueHolder<V>

Returns:

the last access time in milliseconds

setLastAccessTime

public void setLastAccessTime(long lastAccessTime)

Set the last time this entry was accessed in milliseconds.

Parameters:

lastAccessTime - last time the entry was accessed

hashCode

public int hashCode()

Overrides:

hashCode in class java.lang.Object

equals

public boolean equals(java.lang.Object obj)

Overrides:

equals in class java.lang.Object

getId

public long getId()

Description copied from interface: Store.ValueHolder

The combination of this identifier and the key that ValueHolder is mapped to should to be unique at a given time.

Specified by:

getId in interface Store.ValueHolder<V>

Returns:

a unique identifier

toString

public java.lang.String toString()

Overrides:

toString in class java.lang.Object