trydofor / professional-mirana / #84

Committed 22 Jan 2025 12:47PM UTC coverage: 87.319% (+0.01%) from 87.305%

Build # #84

Build Type

push

Committed by

Commit Message

✨ TypedRef to ref k-v type #50

Run Details

24 of 27 new or added lines in 3 files covered. (88.89%)

6817 of 7807 relevant lines covered (87.32%)

0.87 hits per line

Source File
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93.75

/src/main/java/pro/fessional/mirana/best/TypedRef.java

package pro.fessional.mirana.best;


import org.jetbrains.annotations.Contract;
import org.jetbrains.annotations.NotNull;
import org.jetbrains.annotations.Nullable;

import java.util.Objects;
import java.util.function.Function;

/**
 * <pre>
 * Usage: mark value and its ref type.
 * {@code
 * Map<String, Integer> map = new HashMap<>();
 * map.put("key", 42);
 * TypedRef<String, Integer> ref = new TypedRef<>("key");
 * Integer result = ref.get(map);
 * }
 * </pre>
 *
 * @author trydofor
 * @since 2025-01-21
 */
public class TypedRef<V, R> {
    @NotNull
    public final V value;

    public TypedRef(@NotNull V value) {
        this.value = value;
    }

    @SuppressWarnings("unchecked")
    @Contract("_,true->!null")
    public R get(@NotNull Function<V, ?> map, boolean nonnull) throws ClassCastException {
        Object obj = map.apply(value);
        if (obj == null && nonnull) {
            throw new ClassCastException("null cast to nonnull");
        }
        return (R) obj;
    }

    @Contract("_,!null ->!null")
    public R getOr(@NotNull Function<V, ?> map, R elze) throws ClassCastException {
        final R obj = get(map, false);
        return obj != null ? obj : elze;
    }

    @SuppressWarnings("unchecked")
    @Contract("_,!null ->!null")
    public R tryOr(@Nullable Object obj, R elze) throws ClassCastException {
        return obj != null ? (R) obj : elze;
    }

    @Override
    public boolean equals(Object o) {
        if (this == o) return true;
        if (o == null || getClass() != o.getClass()) return false;
        TypedRef<?, ?> typedRef = (TypedRef<?, ?>) o;
        return Objects.equals(value, typedRef.value);
    }

    @Override
    public int hashCode() {
        return Objects.hashCode(value);
    }

    @Override
    public String toString() {
        return value.toString();
    }
}

1	package pro.fessional.mirana.best;
2
3
4	import org.jetbrains.annotations.Contract;
5	import org.jetbrains.annotations.NotNull;
6	import org.jetbrains.annotations.Nullable;
7
8	import java.util.Objects;
9	import java.util.function.Function;
10
11	/**
12	* <pre>
13	* Usage: mark value and its ref type.
14	* {@code
15	* Map<String, Integer> map = new HashMap<>();
16	* map.put("key", 42);
17	* TypedRef<String, Integer> ref = new TypedRef<>("key");
18	* Integer result = ref.get(map);
19	* }
20	* </pre>
21	*
22	* @author trydofor
23	* @since 2025-01-21
24	*/
25	public class TypedRef<V, R> {
26	@NotNull
27	public final V value;
28
29	public TypedRef(@NotNull V value) {	1✔
30	this.value = value;	1✔
31	}	1✔
32
33	@SuppressWarnings("unchecked")
34	@Contract("_,true->!null")
35	public R get(@NotNull Function<V, ?> map, boolean nonnull) throws ClassCastException {
36	Object obj = map.apply(value);	1✔
37	if (obj == null && nonnull) {	1✔
NEW 38	throw new ClassCastException("null cast to nonnull");	×
39	}
40	return (R) obj;	1✔
41	}
42
43	@Contract("_,!null ->!null")
44	public R getOr(@NotNull Function<V, ?> map, R elze) throws ClassCastException {
45	final R obj = get(map, false);	1✔
46	return obj != null ? obj : elze;	1✔
47	}
48
49	@SuppressWarnings("unchecked")
50	@Contract("_,!null ->!null")
51	public R tryOr(@Nullable Object obj, R elze) throws ClassCastException {
52	return obj != null ? (R) obj : elze;	1✔
53	}
54
55	@Override
56	public boolean equals(Object o) {
57	if (this == o) return true;	1✔
58	if (o == null \|\| getClass() != o.getClass()) return false;	1✔
59	TypedRef<?, ?> typedRef = (TypedRef<?, ?>) o;	1✔
60	return Objects.equals(value, typedRef.value);	1✔
61	}
62
63	@Override
64	public int hashCode() {
65	return Objects.hashCode(value);	1✔
66	}
67
68	@Override
69	public String toString() {
70	return value.toString();	1✔
71	}
72	}

trydofor / professional-mirana / #84

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