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microBean™ Interceptor: Utility classes for implementing interceptors

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/* -*- mode: Java; c-basic-offset: 2; indent-tabs-mode: nil; coding: utf-8-unix -*-
 *
 * Copyright © 2023 microBean™.
 *
 * 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.microbean.interceptor;

@FunctionalInterface
interface LowLevelOperation {

  public T invoke() throws Throwable;

  public static  T invokeUnchecked(final LowLevelOperation c) {
    try {
      return c.invoke();
    } catch (final RuntimeException | Error e) {
      throw e;
    } catch (final InterruptedException e) {
      Thread.currentThread().interrupt();
      throw new IllegalStateException(e.getMessage(), e);
    } catch (final Throwable e) {
      throw new IllegalStateException(e.getMessage(), e);
    }
  }

}