@Override
public long updateCurrentMessageIdForSafeZone(long messageId, String nodeId) throws TException {
long slotDeletionSafeZone;
if (AndesContext.getInstance().getClusteringAgent().isCoordinator()) {
slotDeletionSafeZone = slotManager.updateAndReturnSlotDeleteSafeZone(nodeId, messageId);
} else {
throw new TException("This node is not the slot coordinator right now");
}
return slotDeletionSafeZone;
}
@Override
public void reAssignSlotWhenNoSubscribers(String nodeId, String queueName) throws TException {
if (AndesContext.getInstance().getClusteringAgent().isCoordinator()) {
try {
slotManager.reAssignSlotWhenNoSubscribers(nodeId, queueName);
} catch (AndesException e) {
throw new TException("Failed to reAssign slot for node:" + nodeId + " queue:" + queueName);
}
} else {
throw new TException("This node is not the slot coordinator right now");
}
}
@Override
public void clearAllActiveSlotRelationsToQueue(String queueName) throws TException {
if (AndesContext.getInstance().getClusteringAgent().isCoordinator()) {
try {
slotManager.clearAllActiveSlotRelationsToQueue(queueName);
} catch (AndesException e) {
throw new TException("Failed to clear active slots for queue:" + queueName);
}
} else {
throw new TException("This node is not the slot coordinator right now");
}
}
@Override
public void updateMessageId(
String queueName, String nodeId, long startMessageId, long endMessageId) throws TException {
if (AndesContext.getInstance().getClusteringAgent().isCoordinator()) {
try {
slotManager.updateMessageID(queueName, nodeId, startMessageId, endMessageId);
} catch (AndesException e) {
throw new TException(
"Failed to update message id for queue: " + queueName + " nodeId: " + nodeId, e);
}
} else {
throw new TException("This node is not the slot coordinator right now");
}
}
@Override
public boolean deleteSlot(String queueName, SlotInfo slotInfo, String nodeId) throws TException {
if (AndesContext.getInstance().getClusteringAgent().isCoordinator()) {
Slot slot = new Slot();
boolean result = false;
slot.setStartMessageId(slotInfo.getStartMessageId());
slot.setEndMessageId(slotInfo.getEndMessageId());
slot.setStorageQueueName(slotInfo.getQueueName());
try {
result = slotManager.deleteSlot(queueName, slot, nodeId);
} catch (AndesException e) {
throw new TException("Failed to delete slot for queue:" + queueName);
}
return result;
} else {
throw new TException("This node is not the slot coordinator right now");
}
}
@Override
public SlotInfo getSlotInfo(String queueName, String nodeId) throws TException {
if (AndesContext.getInstance().getClusteringAgent().isCoordinator()) {
SlotInfo slotInfo = new SlotInfo();
try {
Slot slot = slotManager.getSlot(queueName, nodeId);
if (null != slot) {
slotInfo =
new SlotInfo(
slot.getStartMessageId(),
slot.getEndMessageId(),
slot.getStorageQueueName(),
nodeId,
slot.isAnOverlappingSlot());
}
} catch (AndesException e) {
throw new TException(
"Failed to get slot info for queue: " + queueName + " nodeId: " + nodeId, e);
}
return slotInfo;
} else {
throw new TException("This node is not the slot coordinator right now");
}
}