CheckedConsumer.java

1
/*-
2
 * #%L
3
 * io.earcam.unexceptional
4
 * %%
5
 * Copyright (C) 2016 - 2017 earcam
6
 * %%
7
 * SPDX-License-Identifier: (BSD-3-Clause OR EPL-1.0 OR Apache-2.0 OR MIT)
8
 * 
9
 * You <b>must</b> choose to accept, in full - any individual or combination of 
10
 * the following licenses:
11
 * <ul>
12
 * 	<li><a href="https://opensource.org/licenses/BSD-3-Clause">BSD-3-Clause</a></li>
13
 * 	<li><a href="https://www.eclipse.org/legal/epl-v10.html">EPL-1.0</a></li>
14
 * 	<li><a href="https://www.apache.org/licenses/LICENSE-2.0">Apache-2.0</a></li>
15
 * 	<li><a href="https://opensource.org/licenses/MIT">MIT</a></li>
16
 * </ul>
17
 * #L%
18
 */
19
package io.earcam.unexceptional;
20
21
import java.util.Objects;
22
23
/**
24
 * A checked exception version of {@link java.util.function.Consumer}
25
 * 
26
 * @param <T> the input type of the {@link #accept(Object)} operation
27
 * @param <E> the type of Throwable declared
28
 * 
29
 * @see java.util.function.Consumer
30
 */
31
@FunctionalInterface
32
public interface CheckedConsumer<T, E extends Throwable> {
33
34
	/**
35
	 * See {@link java.util.function.Consumer#accept(Object)}
36
	 * 
37
	 * @param t the input argument
38
	 * @throws Exception a possible checked exception
39
	 */
40
	public abstract void accept(T t) throws E;
41
42
43
	/**
44
	 * See {@link java.util.function.Consumer#andThen(Consumer)}
45
	 * 
46
	 * @param after the operation to perform after this operation
47
	 * @return a composed {@code CheckedConsumer} that performs in sequence this
48
	 * operation followed by the {@code after} operation
49
	 * 
50
	 * @throws NullPointerException if {@code after} is {@code null}
51
	 */
52
	public default CheckedConsumer<T, E> andThen(/* @Nonnull */ CheckedConsumer<? super T, ? extends E> after)
53
	{
54
		Objects.requireNonNull(after);
55 1 1. andThen : mutated return of Object value for io/earcam/unexceptional/CheckedConsumer::andThen to ( if (x != null) null else throw new RuntimeException ) → KILLED
		return (T t) -> {
56 1 1. lambda$andThen$0 : removed call to io/earcam/unexceptional/CheckedConsumer::accept → KILLED
			accept(t);
57 1 1. lambda$andThen$0 : removed call to io/earcam/unexceptional/CheckedConsumer::accept → KILLED
			after.accept(t);
58
		};
59
	}
60
}

Mutations

55

1.1
Location : andThen
Killed by : io.earcam.unexceptional.CheckedConsumerTest.andThenReturnsAnUncheckedConsumer()
mutated return of Object value for io/earcam/unexceptional/CheckedConsumer::andThen to ( if (x != null) null else throw new RuntimeException ) → KILLED

56

1.1
Location : lambda$andThen$0
Killed by : io.earcam.unexceptional.CheckedConsumerTest.andThenThrowsFirstExceptionWithoutInvokingSubsequentConsumersAccept()
removed call to io/earcam/unexceptional/CheckedConsumer::accept → KILLED

57

1.1
Location : lambda$andThen$0
Killed by : io.earcam.unexceptional.CheckedConsumerTest.andThenReturnsAnUncheckedConsumer()
removed call to io/earcam/unexceptional/CheckedConsumer::accept → KILLED

Active mutators

Tests examined


Report generated by PIT 1.4.0