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/*
* 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.sshd.common.future;
/**
* A {@code CancelOption} defines whether a {@link Cancellable} future that is waited upon shall be cancelled if waiting
* times out or is interrupted.
*
* @see VerifiableFuture
* @see WaitableFuture
*/
public enum CancelOption {
/**
* Indicates that when waiting on a future times out, the future shall be canceled.
*/
CANCEL_ON_TIMEOUT,
/**
* Indicates that when waiting on a future is interrupted, the future shall be canceled.
*/
CANCEL_ON_INTERRUPT,
/**
* Indicates that even if waiting on a future times out or is interrupted, it shall not be canceled.
*
* {@link #CANCEL_ON_TIMEOUT} and {@link #CANCEL_ON_INTERRUPT} take precedence over this flag. The main purpose of
* this flag is to be able to call {@code verify(timeout, NO_CANCELLATION)} to suppress cancelling a future on
* time-outs or interrupts altogether. By default, {@code verify(timeout)} will cancel the future on both time-outs
* and interrupts.
*
*/
NO_CANCELLATION
}