Examples with CHECKPOINT_COUNTER_KEY org.apache.flink.kubernetes.utils.Constants.CHECKPOINT_COUNTER_KEY used on opensource projects

Example 1 with CHECKPOINT_COUNTER_KEY

use of org.apache.flink.kubernetes.utils.Constants.CHECKPOINT_COUNTER_KEY in project flink by apache.

the class KubernetesCheckpointIDCounter method getAndIncrement.

@Override
public long getAndIncrement() throws Exception {
    final AtomicLong current = new AtomicLong();
    final boolean updated = kubeClient.checkAndUpdateConfigMap(configMapName, configMap -> {
        if (isValidOperation(configMap)) {
            final long currentValue = getCurrentCounter(configMap);
            current.set(currentValue);
            configMap.getData().put(CHECKPOINT_COUNTER_KEY, String.valueOf(currentValue + 1));
            return Optional.of(configMap);
        }
        return Optional.empty();
    }).get();
    if (updated) {
        return current.get();
    } else {
        throw new KubernetesException("Failed to update ConfigMap " + configMapName + " since current KubernetesCheckpointIDCounter does not have the leadership.");
    }
}