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

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85.19

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

package pro.fessional.mirana.best;

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

import java.lang.reflect.ParameterizedType;
import java.lang.reflect.Type;
import java.util.HashMap;
import java.util.Map;
import java.util.Objects;
import java.util.function.Function;

/**
 * <pre>
 * Usage: construct final anonymous subclasses in interfaces.
 * {@code
 * public interface Solos {
 *  TypedKey<String> PasssaltByUid = new TypedKey<String>() {};
 *  TypedKey<Set<String>> PermitsByUid = new TypedKey<Set<String>>() {};
 * }
 * }
 * </pre>
 *
 * @param <V> value type
 * @author trydofor
 * @since 2022-10-30
 */
public abstract class TypedKey<V> {

    private static final Map<String, TypedKey<?>> INSTANCE = new HashMap<>();

    @NotNull
    public final Class<? extends TypedKey<V>> regType;
    @NotNull
    public final Type valType;

    @SuppressWarnings("unchecked")
    protected TypedKey() {
        final Class<? extends TypedKey<V>> clz = (Class<? extends TypedKey<V>>) getClass();
        final Type[] tps = ((ParameterizedType) clz.getGenericSuperclass()).getActualTypeArguments();
        regType = clz;
        valType = tps[0];
        INSTANCE.put(clz.getName(), this);
    }

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

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

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

    @Override
    public boolean equals(Object o) {
        if (this == o) return true;
        if (!(o instanceof TypedReg)) return false;
        TypedReg<?, ?> reg = (TypedReg<?, ?>) o;
        //noinspection EqualsBetweenInconvertibleTypes
        return Objects.equals(regType, reg.regType);
    }

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

    @Override
    public String toString() {
        return "TypedKey{" +
               "regType=" + regType +
               ", valType=" + valType +
               '}';
    }

    /**
     * serialize to string
     */
    @NotNull
    public String serialize() {
        return regType.getName();
    }

    /**
     * deserialize to singleton instance
     */
    @NotNull
    public static <K> TypedKey<K> deserialize(@NotNull String clz) {
        return deserialize(clz, true);
    }

    /**
     * deserialize to singleton instance
     */
    @Contract("_,true->!null")
    @SuppressWarnings("unchecked")
    public static <K> TypedKey<K> deserialize(@NotNull String clz, boolean nonnull) {
        TypedKey<?> ins = INSTANCE.get(clz);
        if (ins == null && nonnull) {
            throw new ClassCastException("instance not found, class=" + clz);
        }
        else {
            return (TypedKey<K>) ins;
        }
    }
}

1	package pro.fessional.mirana.best;
2
3	import org.jetbrains.annotations.Contract;
4	import org.jetbrains.annotations.NotNull;
5	import org.jetbrains.annotations.Nullable;
6
7	import java.lang.reflect.ParameterizedType;
8	import java.lang.reflect.Type;
9	import java.util.HashMap;
10	import java.util.Map;
11	import java.util.Objects;
12	import java.util.function.Function;
13
14	/**
15	* <pre>
16	* Usage: construct final anonymous subclasses in interfaces.
17	* {@code
18	* public interface Solos {
19	* TypedKey<String> PasssaltByUid = new TypedKey<String>() {};
20	* TypedKey<Set<String>> PermitsByUid = new TypedKey<Set<String>>() {};
21	* }
22	* }
23	* </pre>
24	*
25	* @param <V> value type
26	* @author trydofor
27	* @since 2022-10-30
28	*/
29	public abstract class TypedKey<V> {
30
31	private static final Map<String, TypedKey<?>> INSTANCE = new HashMap<>();	1✔
32
33	@NotNull
34	public final Class<? extends TypedKey<V>> regType;
35	@NotNull
36	public final Type valType;
37
38	@SuppressWarnings("unchecked")
39	protected TypedKey() {	1✔
40	final Class<? extends TypedKey<V>> clz = (Class<? extends TypedKey<V>>) getClass();	1✔
41	final Type[] tps = ((ParameterizedType) clz.getGenericSuperclass()).getActualTypeArguments();	1✔
42	regType = clz;	1✔
43	valType = tps[0];	1✔
44	INSTANCE.put(clz.getName(), this);	1✔
45	}	1✔
46
47	@SuppressWarnings("unchecked")
48	@Contract("_,true->!null")
49	public V get(@NotNull Function<TypedKey<V>,?> map, boolean nonnull) throws ClassCastException {
50	Object obj = map.apply(this);	1✔
51	if (obj == null && nonnull) {	1✔
NEW 52	throw new ClassCastException("null cast to nonnull");	×
53	}
54	return (V) obj;	1✔
55	}
56
57	@Contract("_,!null ->!null")
58	public V getOr(@NotNull Function<TypedKey<V>,?> map, V elze) throws ClassCastException {
59	final V obj = get(map, false);	1✔
60	return obj != null ? obj : elze;	1✔
61	}
62
63	@SuppressWarnings("unchecked")
64	@Contract("_,!null ->!null")
65	public V tryOr(@Nullable Object obj, V elze) throws ClassCastException {
66	return obj != null ? (V) obj : elze;	1✔
67	}
68
69	@Override
70	public boolean equals(Object o) {
71	if (this == o) return true;	1✔
72	if (!(o instanceof TypedReg)) return false;	1✔
73	TypedReg<?, ?> reg = (TypedReg<?, ?>) o;	×
74	//noinspection EqualsBetweenInconvertibleTypes
75	return Objects.equals(regType, reg.regType);	×
76	}
77
78	@Override
79	public int hashCode() {
80	return Objects.hash(regType);	1✔
81	}
82
83	@Override
84	public String toString() {
85	return "TypedKey{" +	1✔
86	"regType=" + regType +
87	", valType=" + valType +
88	'}';
89	}
90
91	/**
92	* serialize to string
93	*/
94	@NotNull
95	public String serialize() {
96	return regType.getName();	1✔
97	}
98
99	/**
100	* deserialize to singleton instance
101	*/
102	@NotNull
103	public static <K> TypedKey<K> deserialize(@NotNull String clz) {
104	return deserialize(clz, true);	1✔
105	}
106
107	/**
108	* deserialize to singleton instance
109	*/
110	@Contract("_,true->!null")
111	@SuppressWarnings("unchecked")
112	public static <K> TypedKey<K> deserialize(@NotNull String clz, boolean nonnull) {
113	TypedKey<?> ins = INSTANCE.get(clz);	1✔
114	if (ins == null && nonnull) {	1✔
115	throw new ClassCastException("instance not found, class=" + clz);	×
116	}
117	else {
118	return (TypedKey<K>) ins;	1✔
119	}
120	}
121	}

trydofor / professional-mirana / #84

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