/*
* 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.beam.runners.core.triggers;
/**
* A mutable set which tracks whether any particular {@link ExecutableTriggerStateMachine} is
* finished.
*/
public interface FinishedTriggers {
/**
* Returns {@code true} if the trigger is finished.
*/
boolean isFinished(ExecutableTriggerStateMachine trigger);
/**
* Sets the fact that the trigger is finished.
*/
void setFinished(ExecutableTriggerStateMachine trigger, boolean value);
/**
* Sets the trigger and all of its subtriggers to unfinished.
*/
void clearRecursively(ExecutableTriggerStateMachine trigger);
/**
* Create an independent copy of this mutable {@link FinishedTriggers}.
*/
FinishedTriggers copy();
}