public void replace(String key, Object value, int expiration) {
if (cache.get(key) == null) {
return;
}
Element element = new Element(key, value);
element.setTimeToLive(expiration);
cache.put(element);
}
/**
* Constructor
*
* @param key any non null value
* @param value any value, including nulls
* @param timeToIdleSeconds seconds to idle
* @param timeToLiveSeconds seconds to live
* @since 2.7.1
*/
public Element(
final Object key,
final Object value,
final int timeToIdleSeconds,
final int timeToLiveSeconds) {
this(key, value);
setTimeToIdle(timeToIdleSeconds);
setTimeToLive(timeToLiveSeconds);
}
public synchronized long incr(String key, int by) {
Element e = cache.get(key);
if (e == null) {
return -1;
}
long newValue = ((Number) e.getValue()).longValue() + by;
Element newE = new Element(key, newValue);
newE.setTimeToLive(e.getTimeToLive());
cache.put(newE);
return newValue;
}
@Override
public void addTicket(final Ticket ticketToAdd) {
final Ticket ticket = encodeTicket(ticketToAdd);
final Element element = new Element(ticket.getId(), ticket);
final int idleValue = ticketToAdd.getExpirationPolicy().getTimeToIdle().intValue();
element.setTimeToIdle(idleValue);
final int aliveValue = ticketToAdd.getExpirationPolicy().getTimeToIdle().intValue();
element.setTimeToLive(aliveValue);
logger.debug(
"Adding ticket {} to the cache {}", ticket.getId(), this.ehcacheTicketsCache.getName());
this.ehcacheTicketsCache.put(element);
}
/**
* Constructor used by ehcache-server
*
* @param key any non null value
* @param value any value, including nulls
* @param eternal specify as non-null to override cache configuration
* @param timeToIdleSeconds specify as non-null to override cache configuration
* @param timeToLiveSeconds specify as non-null to override cache configuration
*/
public Element(
Object key,
Object value,
Boolean eternal,
Integer timeToIdleSeconds,
Integer timeToLiveSeconds) {
this.key = key;
this.value = value;
if (eternal != null) {
setEternal(eternal.booleanValue());
}
if (timeToIdleSeconds != null) {
setTimeToIdle(timeToIdleSeconds.intValue());
}
if (timeToLiveSeconds != null) {
setTimeToLive(timeToLiveSeconds.intValue());
}
creationTime = System.currentTimeMillis();
}
/**
* Constructor used by ehcache-server
*
* <p>timeToIdleSeconds and timeToLiveSeconds will have precedence over eternal. Which means that
* what ever eternal says, non-null timeToIdleSeconds or timeToLiveSeconds will result in the
* element not being eternal
*
* @param key any non null value
* @param value any value, including nulls
* @param eternal specify as non-null to override cache configuration
* @param timeToIdleSeconds specify as non-null to override cache configuration
* @param timeToLiveSeconds specify as non-null to override cache configuration
* @deprecated
*/
@Deprecated
public Element(
final Object key,
final Object value,
final Boolean eternal,
final Integer timeToIdleSeconds,
final Integer timeToLiveSeconds) {
this.key = key;
this.value = value;
if (eternal != null) {
setEternal(eternal.booleanValue());
}
if (timeToIdleSeconds != null) {
setTimeToIdle(timeToIdleSeconds.intValue());
}
if (timeToLiveSeconds != null) {
setTimeToLive(timeToLiveSeconds.intValue());
}
this.creationTime = getCurrentTime();
}
/**
* Checks that the expiry thread runs and expires elements which has the effect of preventing the
* disk store from continously growing. Ran for 6 hours through 10000 outer loops. No memory use
* increase. Using a key of "key" + i * outer) you get early slots that cannot be reused. The
* DiskStore actual size therefore starts at 133890 and ends at 616830. There is quite a lot of
* space that cannot be used because of fragmentation. Question? Should an effort be made to
* coalesce fragmented space? Unlikely in production to get contiguous fragments as in the first
* form of this test.
*
* <p>Using a key of Integer.valueOf(i * outer) the size stays constant at 140800.
*
* @throws InterruptedException
*/
@Test
public void testExpiryWithSize() throws InterruptedException {
Store diskStore = createDiskStore();
diskStore.removeAll();
byte[] data = new byte[1024];
for (int outer = 1; outer <= 10; outer++) {
for (int i = 0; i < 101; i++) {
Element element = new Element(Integer.valueOf(i * outer), data);
element.setTimeToLive(1);
diskStore.put(element);
}
waitLonger();
int predictedSize = (ELEMENT_ON_DISK_SIZE + 68) * 100;
long actualSize = diskStore.getOnDiskSizeInBytes();
LOG.info("Predicted Size: " + predictedSize + " Actual Size: " + actualSize);
assertEquals(predictedSize, actualSize);
LOG.info("Memory Use: " + measureMemoryUse());
}
}
@Override
public void putLBServerOffset(PageLetConfig pageLetConfig, int pos) {
Element element = new Element(pageLetConfig.getURI(), pos);
element.setTimeToLive(60 * 60);
this.cchm.getCache("lb").put(element);
}
@Override
public void put(PageLetConfig pageLetConfig, String html) {
Element element = new Element(pageLetConfig.getURI(), html);
element.setTimeToLive((int) pageLetConfig.getTtl());
this.cchm.getCache("esi").put(element);
}
public void set(String key, Object value, int expiration) {
Element element = new Element(key, value);
element.setTimeToLive(expiration);
cache.put(element);
}