/*
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you under the Apache License, Version 2.0 (the
* "License"); you may not use this file except in compliance
* with the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.apache.flink.runtime.checkpoint;
/**
* Various reasons why a checkpoint was declined.
*/
public enum CheckpointDeclineReason {
COORDINATOR_SHUTDOWN("Checkpoint coordinator is shut down."),
PERIODIC_SCHEDULER_SHUTDOWN("Periodic checkpoint scheduler is shut down."),
ALREADY_QUEUED("Another checkpoint request has already been queued."),
TOO_MANY_CONCURRENT_CHECKPOINTS("The maximum number of concurrent checkpoints is exceeded"),
MINIMUM_TIME_BETWEEN_CHECKPOINTS("The minimum time between checkpoints is still pending. " +
"Checkpoint will be triggered after the minimum time."),
NOT_ALL_REQUIRED_TASKS_RUNNING("Not all required tasks are currently running."),
EXCEPTION("An Exception occurred while triggering the checkpoint."),
EXPIRED("The checkpoint expired before triggering was complete");
// ------------------------------------------------------------------------
private final String message;
CheckpointDeclineReason(String message) {
this.message = message;
}
public String message() {
return message;
}
}