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Implementation of blocking (IO-Bound) cancellable java.util.concurrent.CompletionStage and related extensions to java.util.concurrent.ExecutorService-s

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/**
 * Copyright 2015-2020 Valery Silaev (http://vsilaev.com)
 *
 * Licensed 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 net.tascalate.concurrent;

import java.util.concurrent.Callable;

@FunctionalInterface
public interface RetryCallable {
    V call(RetryContext ctx) throws Exception;
    
    public static  RetryCallable of(Callable callable) {
        return ctx -> callable.call();
    }
    
    public static RetryCallable of(RetryRunnable runnable) {
        return ctx -> { 
            runnable.run(ctx); 
            return null; 
        };
    }
    
    public static RetryCallable of(Runnable runnable) {
        return RetryCallable.of(RetryRunnable.of(runnable));
    }
}