org.wildfly.common.function.ExceptionSupplier Maven / Gradle / Ivy
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* Copyright 2016 Red Hat, Inc., and individual contributors
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*
* 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,
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* See the License for the specific language governing permissions and
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*/
package org.wildfly.common.function;
import org.wildfly.common.Assert;
/**
* A supplier which can throw an exception.
*
* @author David M. Lloyd
*/
@FunctionalInterface
public interface ExceptionSupplier {
/**
* Gets a result.
*
* @return the result
* @throws E if an exception occurs
*/
T get() throws E;
default ExceptionRunnable andThen(ExceptionConsumer after) {
Assert.checkNotNullParam("after", after);
return () -> after.accept(get());
}
default ExceptionSupplier andThen(ExceptionFunction after) {
Assert.checkNotNullParam("after", after);
return () -> after.apply(get());
}
}