How to use

storeInCache

method

in

org.eclipse.persistence.descriptors.TimestampLockingPolicy

/**
 * PUBLIC:
 * Set the locking policy to use timestamp version locking.
 * This updates the timestamp field on all updates, first comparing that the field has not changed to detect locking conflicts.
 * Note: many database have limited precision of timestamps which can be an issue is highly concurrent systems.
 *
 * The parameter 'shouldStoreInCache' configures the version lock value to be stored in the cache or in the object.
 * Note: if using a stateless model where the object can be passed to a client and then later updated in a different transaction context,
 * then the version lock value should not be stored in the cache, but in the object to ensure it is the correct value for that object.
 * @see VersionLockingPolicy
 */
public void useTimestampLocking(String writeLockFieldName, boolean shouldStoreInCache) {
  TimestampLockingPolicy policy = new TimestampLockingPolicy(writeLockFieldName);
  if (shouldStoreInCache) {
    policy.storeInCache();
  } else {
    policy.storeInObject();
  }
  setOptimisticLockingPolicy(policy);
}

/**
 * PUBLIC:
 * Set the locking policy to use timestamp version locking.
 * This updates the timestamp field on all updates, first comparing that the field has not changed to detect locking conflicts.
 * Note: many database have limited precision of timestamps which can be an issue is highly concurrent systems.
 *
 * The parameter 'shouldStoreInCache' configures the version lock value to be stored in the cache or in the object.
 * Note: if using a stateless model where the object can be passed to a client and then later updated in a different transaction context,
 * then the version lock value should not be stored in the cache, but in the object to ensure it is the correct value for that object.
 * @see VersionLockingPolicy
 */
public void useTimestampLocking(String writeLockFieldName, boolean shouldStoreInCache) {
  TimestampLockingPolicy policy = new TimestampLockingPolicy(writeLockFieldName);
  if (shouldStoreInCache) {
    policy.storeInCache();
  } else {
    policy.storeInObject();
  }
  setOptimisticLockingPolicy(policy);
}

/**
 * PUBLIC:
 * Set the locking policy to use timestamp version locking.
 * This updates the timestamp field on all updates, first comparing that the field has not changed to detect locking conflicts.
 * Note: many database have limited precision of timestamps which can be an issue is highly concurrent systems.
 *
 * The parameter 'shouldStoreInCache' configures the version lock value to be stored in the cache or in the object.
 * Note: if using a stateless model where the object can be passed to a client and then later updated in a different transaction context,
 * then the version lock value should not be stored in the cache, but in the object to ensure it is the correct value for that object.
 * @see VersionLockingPolicy
 */
public void useTimestampLocking(String writeLockFieldName, boolean shouldStoreInCache) {
  TimestampLockingPolicy policy = new TimestampLockingPolicy(writeLockFieldName);
  if (shouldStoreInCache) {
    policy.storeInCache();
  } else {
    policy.storeInObject();
  }
  setOptimisticLockingPolicy(policy);
}