/*
 * Copyright 2017 the original author or authors.
 *
 * 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 org.gradle.testing.internal.util

final class RetryUtil {
    private RetryUtil() {}

    static int retry(int retries = 3, int waitMsBetweenRetries = 0, Closure closure) {
        int retryCount = 0
        Throwable lastException = null

        while (retryCount++ < retries) {
            try {
                closure.call()
                return retryCount
            } catch (Throwable e) {
                lastException = e
                Thread.sleep(waitMsBetweenRetries)
            }
        }

        // Retry count exceeded, throwing last exception
        throw lastException
    }
}
