org.terracotta.cache.value
Class AbstractTimestampedValue<V>

java.lang.Object
  org.terracotta.cache.value.AbstractStatelessTimestampedValue<V>
      org.terracotta.cache.value.AbstractTimestampedValue<V>

All Implemented Interfaces:

ExpirableEntry, MarkTimestampedValue, TimestampedValue<V>

Direct Known Subclasses:

DefaultTimestampedValue, SerializedEntry

public abstract class AbstractTimestampedValue<V>
extends AbstractStatelessTimestampedValue<V>

Abstract base class for timestamped map entries. This class defines the timestamp manipulation logic and locking that should be common for all entries

Field Summary

protected int

lastAccessedTime Last time when this item was used guarded by synchronized(this) with terracotta auto-locks time is seconds since the epoch (System.currentTimeMillis() / 1000) for example)

Fields inherited from class org.terracotta.cache.value.AbstractStatelessTimestampedValue

UNUSED

Fields inherited from interface org.terracotta.cache.TimestampedValue

NEVER_EXPIRE

Constructor Summary

protected

AbstractTimestampedValue()

Method Summary

protected CapacityEvictionPolicyData	fastGetCapacityEvictionPolicyData()
CapacityEvictionPolicyData	getCapacityEvictionPolicyData() Retrieves this value's capacity eviction policy data.
int	getLastAccessedTime() Retrieves the time when this value was last accessed.
void	setCapacityEvictionPolicyData(CapacityEvictionPolicyData capacityEvictionPolicy) Sets this value's capacity eviction policy data.
protected void	setLastAccessedTimeInternal(int usedAtTime)

Methods inherited from class org.terracotta.cache.value.AbstractStatelessTimestampedValue

equals, expiresAt, expiresAt, getCreateTime, getValue, hashCode, isExpired, markUsed, markUsed, toString

Methods inherited from class java.lang.Object

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

Field Detail

lastAccessedTime

protected volatile int lastAccessedTime

Last time when this item was used guarded by synchronized(this) with terracotta auto-locks time is seconds since the epoch (System.currentTimeMillis() / 1000) for example)

Constructor Detail

AbstractTimestampedValue

protected AbstractTimestampedValue()

Method Detail

setCapacityEvictionPolicyData

public void setCapacityEvictionPolicyData(CapacityEvictionPolicyData capacityEvictionPolicy)

Description copied from interface: TimestampedValue

Sets this value's capacity eviction policy data.

Parameters:

capacityEvictionPolicy - the new data

getCapacityEvictionPolicyData

public CapacityEvictionPolicyData getCapacityEvictionPolicyData()

Description copied from interface: TimestampedValue

Retrieves this value's capacity eviction policy data.

Returns:

this value's data

fastGetCapacityEvictionPolicyData

protected final CapacityEvictionPolicyData fastGetCapacityEvictionPolicyData()

Specified by:

fastGetCapacityEvictionPolicyData in class AbstractStatelessTimestampedValue<V>

getLastAccessedTime

public int getLastAccessedTime()

Description copied from interface: TimestampedValue

Retrieves the time when this value was last accessed.

Specified by:

getLastAccessedTime in interface TimestampedValue<V>

Specified by:

getLastAccessedTime in class AbstractStatelessTimestampedValue<V>

Returns:

this value's last access time in seconds since epoch

setLastAccessedTimeInternal

protected void setLastAccessedTimeInternal(int usedAtTime)

Specified by:

setLastAccessedTimeInternal in class AbstractStatelessTimestampedValue<V>