mirror of https://github.com/apache/cassandra
55 lines
1.7 KiB
Java
55 lines
1.7 KiB
Java
/*
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* Licensed to the Apache Software Foundation (ASF) under one
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* or more contributor license agreements. See the NOTICE file
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* distributed with this work for additional information
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* regarding copyright ownership. The ASF licenses this file
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* to you under the Apache License, Version 2.0 (the
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* "License"); you may not use this file except in compliance
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* with the License. You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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package org.apache.cassandra.concurrent;
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import org.apache.cassandra.utils.Shared;
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import static org.apache.cassandra.concurrent.Interruptible.State.NORMAL;
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import static org.apache.cassandra.utils.Shared.Recursive.INTERFACES;
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import static org.apache.cassandra.utils.Shared.Scope.SIMULATION;
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@Shared(scope = SIMULATION, inner = INTERFACES)
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public interface Interruptible extends Shutdownable
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{
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public enum State { NORMAL, INTERRUPTED, SHUTTING_DOWN }
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public static class TerminateException extends InterruptedException {}
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public interface Task
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{
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void run(State state) throws InterruptedException;
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static Task from(SimpleTask simpleTask)
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{
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return state -> { if (state == NORMAL) simpleTask.run(); };
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}
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}
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/**
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* A Task that only runs on NORMAL states
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*/
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public interface SimpleTask
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{
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void run() throws InterruptedException;
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}
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void interrupt();
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}
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