How to use

getRemainingValidTime

method

in

org.eclipse.persistence.descriptors.invalidation.CacheInvalidationPolicy

/**
 * ADVANCED:
 * Return the remaining life of this object.  This method is associated with use of
 * cache invalidation and returns the difference between the next expiry
 * time of the object and its read time.  The method will return 0 for invalidated objects.
 */
public long getRemainingValidTime(Object object) {
  Object primaryKey = getSession().getId(object);
  ClassDescriptor descriptor = getSession().getDescriptor(object);
  CacheKey key = getCacheKeyForObjectForLock(primaryKey, object.getClass(), descriptor);
  if (key == null) {
    throw QueryException.objectDoesNotExistInCache(object);
  }
  return descriptor.getCacheInvalidationPolicy().getRemainingValidTime(key);
}

/**
 * ADVANCED:
 * Return the remaining life of this object.  This method is associated with use of
 * cache invalidation and returns the difference between the next expiry
 * time of the object and its read time.  The method will return 0 for invalidated objects.
 */
public long getRemainingValidTime(Object object) {
  Vector primaryKey = getSession().keyFromObject(object);
  ClassDescriptor descriptor = getSession().getDescriptor(object);
  CacheKey key = getCacheKeyForObjectForLock(primaryKey, object.getClass(), descriptor);
  if (key == null) {
    throw QueryException.objectDoesNotExistInCache(object);
  }
  return descriptor.getCacheInvalidationPolicy().getRemainingValidTime(key);
}

/**
 * ADVANCED:
 * Return the remaining life of this object.  This method is associated with use of
 * cache invalidation and returns the difference between the next expiry
 * time of the object and its read time.  The method will return 0 for invalidated objects.
 */
public long getRemainingValidTime(Object object) {
  Object primaryKey = getSession().getId(object);
  ClassDescriptor descriptor = getSession().getDescriptor(object);
  CacheKey key = getCacheKeyForObjectForLock(primaryKey, object.getClass(), descriptor);
  if (key == null) {
    throw QueryException.objectDoesNotExistInCache(object);
  }
  return descriptor.getCacheInvalidationPolicy().getRemainingValidTime(key);
}