/**
 * 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.apache.aurora.common.base;

/**
 * An interface that captures a source of data.
 *
 * @param <T> The supplied value type.
 * @param <E> The type of exception that the supplier throws.
 *
 * @author John Sirois
 */
public interface ExceptionalSupplier<T, E extends Exception> {

  /**
   * Supplies an item, possibly throwing {@code E} in the process of obtaining the item.
   *
   * @return the result of the computation
   * @throws E if there was a problem performing the work
   */
  T get() throws E;
}