HashOps.java

net.minecraft.util.HashOps

信息

• 全限定名：net.minecraft.util.HashOps
• 类型：public class
• 包：net.minecraft.util
• 源码路径：src/main/java/net/minecraft/util/HashOps.java
• 起始行号：L28
• 实现：DynamicOps
• 职责：

  TODO

字段/常量

• TAG_EMPTY

  • 类型: byte
  • 修饰符: private static final
  • 源码定位: L29
  • 说明:

    TODO

• TAG_MAP_START

  • 类型: byte
  • 修饰符: private static final
  • 源码定位: L30
  • 说明:

    TODO

• TAG_MAP_END

  • 类型: byte
  • 修饰符: private static final
  • 源码定位: L31
  • 说明:

    TODO

• TAG_LIST_START

  • 类型: byte
  • 修饰符: private static final
  • 源码定位: L32
  • 说明:

    TODO

• TAG_LIST_END

  • 类型: byte
  • 修饰符: private static final
  • 源码定位: L33
  • 说明:

    TODO

• TAG_BYTE

  • 类型: byte
  • 修饰符: private static final
  • 源码定位: L34
  • 说明:

    TODO

• TAG_SHORT

  • 类型: byte
  • 修饰符: private static final
  • 源码定位: L35
  • 说明:

    TODO

• TAG_INT

  • 类型: byte
  • 修饰符: private static final
  • 源码定位: L36
  • 说明:

    TODO

• TAG_LONG

  • 类型: byte
  • 修饰符: private static final
  • 源码定位: L37
  • 说明:

    TODO

• TAG_FLOAT

  • 类型: byte
  • 修饰符: private static final
  • 源码定位: L38
  • 说明:

    TODO

• TAG_DOUBLE

  • 类型: byte
  • 修饰符: private static final
  • 源码定位: L39
  • 说明:

    TODO

• TAG_STRING

  • 类型: byte
  • 修饰符: private static final
  • 源码定位: L40
  • 说明:

    TODO

• TAG_BOOLEAN

  • 类型: byte
  • 修饰符: private static final
  • 源码定位: L41
  • 说明:

    TODO

• TAG_BYTE_ARRAY_START

  • 类型: byte
  • 修饰符: private static final
  • 源码定位: L42
  • 说明:

    TODO

• TAG_BYTE_ARRAY_END

  • 类型: byte
  • 修饰符: private static final
  • 源码定位: L43
  • 说明:

    TODO

• TAG_INT_ARRAY_START

  • 类型: byte
  • 修饰符: private static final
  • 源码定位: L44
  • 说明:

    TODO

• TAG_INT_ARRAY_END

  • 类型: byte
  • 修饰符: private static final
  • 源码定位: L45
  • 说明:

    TODO

• TAG_LONG_ARRAY_START

  • 类型: byte
  • 修饰符: private static final
  • 源码定位: L46
  • 说明:

    TODO

• TAG_LONG_ARRAY_END

  • 类型: byte
  • 修饰符: private static final
  • 源码定位: L47
  • 说明:

    TODO

• EMPTY_PAYLOAD

  • 类型: byte[]
  • 修饰符: private static final
  • 源码定位: L48
  • 说明:

    TODO

• FALSE_PAYLOAD

  • 类型: byte[]
  • 修饰符: private static final
  • 源码定位: L49
  • 说明:

    TODO

• TRUE_PAYLOAD

  • 类型: byte[]
  • 修饰符: private static final
  • 源码定位: L50
  • 说明:

    TODO

• EMPTY_MAP_PAYLOAD

  • 类型: byte[]
  • 修饰符: public static final
  • 源码定位: L51
  • 说明:

    TODO

• EMPTY_LIST_PAYLOAD

  • 类型: byte[]
  • 修饰符: public static final
  • 源码定位: L52
  • 说明:

    TODO

• UNSUPPORTED_OPERATION_ERROR

  • 类型: DataResult<Object>
  • 修饰符: private static final
  • 源码定位: L53
  • 说明:

    TODO

• HASH_COMPARATOR

  • 类型: Comparator<HashCode>
  • 修饰符: private static final
  • 源码定位: L54
  • 说明:

    TODO

• MAP_ENTRY_ORDER

  • 类型: Comparator<Entry<HashCode,HashCode>>
  • 修饰符: private static final
  • 源码定位: L55
  • 说明:

    TODO

• MAPLIKE_ENTRY_ORDER

  • 类型: Comparator<Pair<HashCode,HashCode>>
  • 修饰符: private static final
  • 源码定位: L57
  • 说明:

    TODO

• CRC32C_INSTANCE

  • 类型: HashOps
  • 修饰符: public static final
  • 源码定位: L59
  • 说明:

    TODO

• hashFunction

  • 类型: HashFunction
  • 修饰符: private final
  • 源码定位: L60
  • 说明:

    TODO

• empty

  • 类型: HashCode
  • 修饰符: private final
  • 源码定位: L61
  • 说明:

    TODO

• emptyMap

  • 类型: HashCode
  • 修饰符: private final
  • 源码定位: L62
  • 说明:

    TODO

• emptyList

  • 类型: HashCode
  • 修饰符: private final
  • 源码定位: L63
  • 说明:

    TODO

• trueHash

  • 类型: HashCode
  • 修饰符: private final
  • 源码定位: L64
  • 说明:

    TODO

• falseHash

  • 类型: HashCode
  • 修饰符: private final
  • 源码定位: L65
  • 说明:

    TODO

内部类/嵌套类型

• net.minecraft.util.HashOps.ListHashBuilder

  • 类型: class
  • 修饰符: private
  • 源码定位: L305
  • 说明:

    TODO

• net.minecraft.util.HashOps.MapHashBuilder

  • 类型: class
  • 修饰符: private final
  • 源码定位: L327
  • 说明:

    TODO

构造器

public HashOps(HashFunction hashFunction) @ L67

• 构造器名：HashOps
• 源码定位：L67
• 修饰符：public

参数:

• hashFunction: HashFunction

说明:

TODO

方法

下面的方法块按源码顺序生成。

public HashCode empty() @ L76

• 方法名：empty
• 源码定位：L76
• 返回类型：HashCode
• 修饰符：public

参数:

• 无

说明:

TODO

public HashCode emptyMap() @ L80

• 方法名：emptyMap
• 源码定位：L80
• 返回类型：HashCode
• 修饰符：public

参数:

• 无

说明:

TODO

public HashCode emptyList() @ L84

• 方法名：emptyList
• 源码定位：L84
• 返回类型：HashCode
• 修饰符：public

参数:

• 无

说明:

TODO

public HashCode createNumeric(Number value) @ L88

• 方法名：createNumeric
• 源码定位：L88
• 返回类型：HashCode
• 修饰符：public

参数:

• value: Number

说明:

TODO

public HashCode createByte(byte value) @ L100

• 方法名：createByte
• 源码定位：L100
• 返回类型：HashCode
• 修饰符：public

参数:

• value: byte

说明:

TODO

public HashCode createShort(short value) @ L104

• 方法名：createShort
• 源码定位：L104
• 返回类型：HashCode
• 修饰符：public

参数:

• value: short

说明:

TODO

public HashCode createInt(int value) @ L108

• 方法名：createInt
• 源码定位：L108
• 返回类型：HashCode
• 修饰符：public

参数:

• value: int

说明:

TODO

public HashCode createLong(long value) @ L112

• 方法名：createLong
• 源码定位：L112
• 返回类型：HashCode
• 修饰符：public

参数:

• value: long

说明:

TODO

public HashCode createFloat(float value) @ L116

• 方法名：createFloat
• 源码定位：L116
• 返回类型：HashCode
• 修饰符：public

参数:

• value: float

说明:

TODO

public HashCode createDouble(double value) @ L120

• 方法名：createDouble
• 源码定位：L120
• 返回类型：HashCode
• 修饰符：public

参数:

• value: double

说明:

TODO

public HashCode createString(String value) @ L124

• 方法名：createString
• 源码定位：L124
• 返回类型：HashCode
• 修饰符：public

参数:

• value: String

说明:

TODO

public HashCode createBoolean(boolean value) @ L128

• 方法名：createBoolean
• 源码定位：L128
• 返回类型：HashCode
• 修饰符：public

参数:

• value: boolean

说明:

TODO

private static Hasher hashMap(Hasher hasher, Map<HashCode,HashCode> map) @ L132

• 方法名：hashMap
• 源码定位：L132
• 返回类型：Hasher
• 修饰符：private static

参数:

• hasher: Hasher
• map: Map<HashCode,HashCode>

说明:

TODO

private static Hasher hashMap(Hasher hasher, Stream<Pair<HashCode,HashCode>> map) @ L139

• 方法名：hashMap
• 源码定位：L139
• 返回类型：Hasher
• 修饰符：private static

参数:

• hasher: Hasher
• map: Stream<Pair<HashCode,HashCode>>

说明:

TODO

public HashCode createMap(Stream<Pair<HashCode,HashCode>> map) @ L146

• 方法名：createMap
• 源码定位：L146
• 返回类型：HashCode
• 修饰符：public

参数:

• map: Stream<Pair<HashCode,HashCode>>

说明:

TODO

public HashCode createMap(Map<HashCode,HashCode> map) @ L150

• 方法名：createMap
• 源码定位：L150
• 返回类型：HashCode
• 修饰符：public

参数:

• map: Map<HashCode,HashCode>

说明:

TODO

public HashCode createList(Stream<HashCode> input) @ L154

• 方法名：createList
• 源码定位：L154
• 返回类型：HashCode
• 修饰符：public

参数:

• input: Stream

说明:

TODO

public HashCode createByteList(ByteBuffer input) @ L162

• 方法名：createByteList
• 源码定位：L162
• 返回类型：HashCode
• 修饰符：public

参数:

• input: ByteBuffer

说明:

TODO

public HashCode createIntList(IntStream input) @ L170

• 方法名：createIntList
• 源码定位：L170
• 返回类型：HashCode
• 修饰符：public

参数:

• input: IntStream

说明:

TODO

public HashCode createLongList(LongStream input) @ L178

• 方法名：createLongList
• 源码定位：L178
• 返回类型：HashCode
• 修饰符：public

参数:

• input: LongStream

说明:

TODO

public HashCode remove(HashCode input, String key) @ L186

• 方法名：remove
• 源码定位：L186
• 返回类型：HashCode
• 修饰符：public

参数:

• input: HashCode
• key: String

说明:

TODO

public RecordBuilder<HashCode> mapBuilder() @ L190

• 方法名：mapBuilder
• 源码定位：L190
• 返回类型：RecordBuilder
• 修饰符：public

参数:

• 无

说明:

TODO

public ListBuilder<HashCode> listBuilder() @ L195

• 方法名：listBuilder
• 源码定位：L195
• 返回类型：ListBuilder
• 修饰符：public

参数:

• 无

说明:

TODO

public String toString() @ L200

• 方法名：toString
• 源码定位：L200
• 返回类型：String
• 修饰符：public

参数:

• 无

说明:

TODO

public <U> U convertTo(DynamicOps<U> outOps, HashCode input) @ L205

• 方法名：convertTo
• 源码定位：L205
• 返回类型： U
• 修饰符：public

参数:

• outOps: DynamicOps
• input: HashCode

说明:

TODO

public Number getNumberValue(HashCode input, Number defaultValue) @ L209

• 方法名：getNumberValue
• 源码定位：L209
• 返回类型：Number
• 修饰符：public

参数:

• input: HashCode
• defaultValue: Number

说明:

TODO

public HashCode set(HashCode input, String key, HashCode value) @ L213

• 方法名：set
• 源码定位：L213
• 返回类型：HashCode
• 修饰符：public

参数:

• input: HashCode
• key: String
• value: HashCode

说明:

TODO

public HashCode update(HashCode input, String key, Function<HashCode,HashCode> function) @ L217

• 方法名：update
• 源码定位：L217
• 返回类型：HashCode
• 修饰符：public

参数:

• input: HashCode
• key: String
• function: Function<HashCode,HashCode>

说明:

TODO

public HashCode updateGeneric(HashCode input, HashCode key, Function<HashCode,HashCode> function) @ L221

• 方法名：updateGeneric
• 源码定位：L221
• 返回类型：HashCode
• 修饰符：public

参数:

• input: HashCode
• key: HashCode
• function: Function<HashCode,HashCode>

说明:

TODO

private static <T> DataResult<T> unsupported() @ L225

• 方法名：unsupported
• 源码定位：L225
• 返回类型： DataResult
• 修饰符：private static

参数:

• 无

说明:

TODO

public DataResult<HashCode> get(HashCode input, String key) @ L229

• 方法名：get
• 源码定位：L229
• 返回类型：DataResult
• 修饰符：public

参数:

• input: HashCode
• key: String

说明:

TODO

public DataResult<HashCode> getGeneric(HashCode input, HashCode key) @ L233

• 方法名：getGeneric
• 源码定位：L233
• 返回类型：DataResult
• 修饰符：public

参数:

• input: HashCode
• key: HashCode

说明:

TODO

public DataResult<Number> getNumberValue(HashCode input) @ L237

• 方法名：getNumberValue
• 源码定位：L237
• 返回类型：DataResult
• 修饰符：public

参数:

• input: HashCode

说明:

TODO

public DataResult<Boolean> getBooleanValue(HashCode input) @ L241

• 方法名：getBooleanValue
• 源码定位：L241
• 返回类型：DataResult
• 修饰符：public

参数:

• input: HashCode

说明:

TODO

public DataResult<String> getStringValue(HashCode input) @ L245

• 方法名：getStringValue
• 源码定位：L245
• 返回类型：DataResult
• 修饰符：public

参数:

• input: HashCode

说明:

TODO

private boolean isEmpty(HashCode value) @ L249

• 方法名：isEmpty
• 源码定位：L249
• 返回类型：boolean
• 修饰符：private

参数:

• value: HashCode

说明:

TODO

public DataResult<HashCode> mergeToList(HashCode prefix, HashCode value) @ L253

• 方法名：mergeToList
• 源码定位：L253
• 返回类型：DataResult
• 修饰符：public

参数:

• prefix: HashCode
• value: HashCode

说明:

TODO

public DataResult<HashCode> mergeToList(HashCode prefix, List<HashCode> values) @ L257

• 方法名：mergeToList
• 源码定位：L257
• 返回类型：DataResult
• 修饰符：public

参数:

• prefix: HashCode
• values: List

说明:

TODO

public DataResult<HashCode> mergeToMap(HashCode prefix, HashCode key, HashCode value) @ L261

• 方法名：mergeToMap
• 源码定位：L261
• 返回类型：DataResult
• 修饰符：public

参数:

• prefix: HashCode
• key: HashCode
• value: HashCode

说明:

TODO

public DataResult<HashCode> mergeToMap(HashCode prefix, Map<HashCode,HashCode> values) @ L265

• 方法名：mergeToMap
• 源码定位：L265
• 返回类型：DataResult
• 修饰符：public

参数:

• prefix: HashCode
• values: Map<HashCode,HashCode>

说明:

TODO

public DataResult<HashCode> mergeToMap(HashCode prefix, MapLike<HashCode> values) @ L269

• 方法名：mergeToMap
• 源码定位：L269
• 返回类型：DataResult
• 修饰符：public

参数:

• prefix: HashCode
• values: MapLike

说明:

TODO

public DataResult<Stream<Pair<HashCode,HashCode>>> getMapValues(HashCode input) @ L273

• 方法名：getMapValues
• 源码定位：L273
• 返回类型：DataResult<Stream<Pair<HashCode,HashCode>>>
• 修饰符：public

参数:

• input: HashCode

说明:

TODO

public DataResult<Consumer<BiConsumer<HashCode,HashCode>>> getMapEntries(HashCode input) @ L277

• 方法名：getMapEntries
• 源码定位：L277
• 返回类型：DataResult<Consumer<BiConsumer<HashCode,HashCode>>>
• 修饰符：public

参数:

• input: HashCode

说明:

TODO

public DataResult<Stream<HashCode>> getStream(HashCode input) @ L281

• 方法名：getStream
• 源码定位：L281
• 返回类型：DataResult<Stream>
• 修饰符：public

参数:

• input: HashCode

说明:

TODO

public DataResult<Consumer<Consumer<HashCode>>> getList(HashCode input) @ L285

• 方法名：getList
• 源码定位：L285
• 返回类型：DataResult<Consumer<Consumer>>
• 修饰符：public

参数:

• input: HashCode

说明:

TODO

public DataResult<MapLike<HashCode>> getMap(HashCode input) @ L289

• 方法名：getMap
• 源码定位：L289
• 返回类型：DataResult<MapLike>
• 修饰符：public

参数:

• input: HashCode

说明:

TODO

public DataResult<ByteBuffer> getByteBuffer(HashCode input) @ L293

• 方法名：getByteBuffer
• 源码定位：L293
• 返回类型：DataResult
• 修饰符：public

参数:

• input: HashCode

说明:

TODO

public DataResult<IntStream> getIntStream(HashCode input) @ L297

• 方法名：getIntStream
• 源码定位：L297
• 返回类型：DataResult
• 修饰符：public

参数:

• input: HashCode

说明:

TODO

public DataResult<LongStream> getLongStream(HashCode input) @ L301

• 方法名：getLongStream
• 源码定位：L301
• 返回类型：DataResult
• 修饰符：public

参数:

• input: HashCode

说明:

TODO

代码

public class HashOps implements DynamicOps<HashCode> {
    private static final byte TAG_EMPTY = 1;
    private static final byte TAG_MAP_START = 2;
    private static final byte TAG_MAP_END = 3;
    private static final byte TAG_LIST_START = 4;
    private static final byte TAG_LIST_END = 5;
    private static final byte TAG_BYTE = 6;
    private static final byte TAG_SHORT = 7;
    private static final byte TAG_INT = 8;
    private static final byte TAG_LONG = 9;
    private static final byte TAG_FLOAT = 10;
    private static final byte TAG_DOUBLE = 11;
    private static final byte TAG_STRING = 12;
    private static final byte TAG_BOOLEAN = 13;
    private static final byte TAG_BYTE_ARRAY_START = 14;
    private static final byte TAG_BYTE_ARRAY_END = 15;
    private static final byte TAG_INT_ARRAY_START = 16;
    private static final byte TAG_INT_ARRAY_END = 17;
    private static final byte TAG_LONG_ARRAY_START = 18;
    private static final byte TAG_LONG_ARRAY_END = 19;
    private static final byte[] EMPTY_PAYLOAD = new byte[]{1};
    private static final byte[] FALSE_PAYLOAD = new byte[]{13, 0};
    private static final byte[] TRUE_PAYLOAD = new byte[]{13, 1};
    public static final byte[] EMPTY_MAP_PAYLOAD = new byte[]{2, 3};
    public static final byte[] EMPTY_LIST_PAYLOAD = new byte[]{4, 5};
    private static final DataResult<Object> UNSUPPORTED_OPERATION_ERROR = DataResult.error(() -> "Unsupported operation");
    private static final Comparator<HashCode> HASH_COMPARATOR = Comparator.comparingLong(HashCode::padToLong);
    private static final Comparator<Entry<HashCode, HashCode>> MAP_ENTRY_ORDER = Entry.<HashCode, HashCode>comparingByKey(HASH_COMPARATOR)
        .thenComparing(Entry.comparingByValue(HASH_COMPARATOR));
    private static final Comparator<Pair<HashCode, HashCode>> MAPLIKE_ENTRY_ORDER = Comparator.<Pair<HashCode, HashCode>, HashCode>comparing(Pair::getFirst, HASH_COMPARATOR)
        .thenComparing(Pair::getSecond, HASH_COMPARATOR);
    public static final HashOps CRC32C_INSTANCE = new HashOps(Hashing.crc32c());
    private final HashFunction hashFunction;
    private final HashCode empty;
    private final HashCode emptyMap;
    private final HashCode emptyList;
    private final HashCode trueHash;
    private final HashCode falseHash;
 
    public HashOps(HashFunction hashFunction) {
        this.hashFunction = hashFunction;
        this.empty = hashFunction.hashBytes(EMPTY_PAYLOAD);
        this.emptyMap = hashFunction.hashBytes(EMPTY_MAP_PAYLOAD);
        this.emptyList = hashFunction.hashBytes(EMPTY_LIST_PAYLOAD);
        this.falseHash = hashFunction.hashBytes(FALSE_PAYLOAD);
        this.trueHash = hashFunction.hashBytes(TRUE_PAYLOAD);
    }
 
    public HashCode empty() {
        return this.empty;
    }
 
    public HashCode emptyMap() {
        return this.emptyMap;
    }
 
    public HashCode emptyList() {
        return this.emptyList;
    }
 
    public HashCode createNumeric(Number value) {
        return switch (value) {
            case Byte v -> this.createByte(v);
            case Short vx -> this.createShort(vx);
            case Integer vxx -> this.createInt(vxx);
            case Long vxxx -> this.createLong(vxxx);
            case Double vxxxx -> this.createDouble(vxxxx);
            case Float vxxxxx -> this.createFloat(vxxxxx);
            default -> this.createDouble(value.doubleValue());
        };
    }
 
    public HashCode createByte(byte value) {
        return this.hashFunction.newHasher(2).putByte((byte)6).putByte(value).hash();
    }
 
    public HashCode createShort(short value) {
        return this.hashFunction.newHasher(3).putByte((byte)7).putShort(value).hash();
    }
 
    public HashCode createInt(int value) {
        return this.hashFunction.newHasher(5).putByte((byte)8).putInt(value).hash();
    }
 
    public HashCode createLong(long value) {
        return this.hashFunction.newHasher(9).putByte((byte)9).putLong(value).hash();
    }
 
    public HashCode createFloat(float value) {
        return this.hashFunction.newHasher(5).putByte((byte)10).putFloat(value).hash();
    }
 
    public HashCode createDouble(double value) {
        return this.hashFunction.newHasher(9).putByte((byte)11).putDouble(value).hash();
    }
 
    public HashCode createString(String value) {
        return this.hashFunction.newHasher().putByte((byte)12).putInt(value.length()).putUnencodedChars(value).hash();
    }
 
    public HashCode createBoolean(boolean value) {
        return value ? this.trueHash : this.falseHash;
    }
 
    private static Hasher hashMap(Hasher hasher, Map<HashCode, HashCode> map) {
        hasher.putByte((byte)2);
        map.entrySet().stream().sorted(MAP_ENTRY_ORDER).forEach(e -> hasher.putBytes(e.getKey().asBytes()).putBytes(e.getValue().asBytes()));
        hasher.putByte((byte)3);
        return hasher;
    }
 
    private static Hasher hashMap(Hasher hasher, Stream<Pair<HashCode, HashCode>> map) {
        hasher.putByte((byte)2);
        map.sorted(MAPLIKE_ENTRY_ORDER).forEach(e -> hasher.putBytes(e.getFirst().asBytes()).putBytes(e.getSecond().asBytes()));
        hasher.putByte((byte)3);
        return hasher;
    }
 
    public HashCode createMap(Stream<Pair<HashCode, HashCode>> map) {
        return hashMap(this.hashFunction.newHasher(), map).hash();
    }
 
    public HashCode createMap(Map<HashCode, HashCode> map) {
        return hashMap(this.hashFunction.newHasher(), map).hash();
    }
 
    public HashCode createList(Stream<HashCode> input) {
        Hasher hasher = this.hashFunction.newHasher();
        hasher.putByte((byte)4);
        input.forEach(value -> hasher.putBytes(value.asBytes()));
        hasher.putByte((byte)5);
        return hasher.hash();
    }
 
    public HashCode createByteList(ByteBuffer input) {
        Hasher hasher = this.hashFunction.newHasher();
        hasher.putByte((byte)14);
        hasher.putBytes(input);
        hasher.putByte((byte)15);
        return hasher.hash();
    }
 
    public HashCode createIntList(IntStream input) {
        Hasher hasher = this.hashFunction.newHasher();
        hasher.putByte((byte)16);
        input.forEach(hasher::putInt);
        hasher.putByte((byte)17);
        return hasher.hash();
    }
 
    public HashCode createLongList(LongStream input) {
        Hasher hasher = this.hashFunction.newHasher();
        hasher.putByte((byte)18);
        input.forEach(hasher::putLong);
        hasher.putByte((byte)19);
        return hasher.hash();
    }
 
    public HashCode remove(HashCode input, String key) {
        return input;
    }
 
    @Override
    public RecordBuilder<HashCode> mapBuilder() {
        return new HashOps.MapHashBuilder();
    }
 
    @Override
    public ListBuilder<HashCode> listBuilder() {
        return new HashOps.ListHashBuilder();
    }
 
    @Override
    public String toString() {
        return "Hash " + this.hashFunction;
    }
 
    public <U> U convertTo(DynamicOps<U> outOps, HashCode input) {
        throw new UnsupportedOperationException("Can't convert from this type");
    }
 
    public Number getNumberValue(HashCode input, Number defaultValue) {
        return defaultValue;
    }
 
    public HashCode set(HashCode input, String key, HashCode value) {
        return input;
    }
 
    public HashCode update(HashCode input, String key, Function<HashCode, HashCode> function) {
        return input;
    }
 
    public HashCode updateGeneric(HashCode input, HashCode key, Function<HashCode, HashCode> function) {
        return input;
    }
 
    private static <T> DataResult<T> unsupported() {
        return (DataResult<T>)UNSUPPORTED_OPERATION_ERROR;
    }
 
    public DataResult<HashCode> get(HashCode input, String key) {
        return unsupported();
    }
 
    public DataResult<HashCode> getGeneric(HashCode input, HashCode key) {
        return unsupported();
    }
 
    public DataResult<Number> getNumberValue(HashCode input) {
        return unsupported();
    }
 
    public DataResult<Boolean> getBooleanValue(HashCode input) {
        return unsupported();
    }
 
    public DataResult<String> getStringValue(HashCode input) {
        return unsupported();
    }
 
    private boolean isEmpty(HashCode value) {
        return value.equals(this.empty);
    }
 
    public DataResult<HashCode> mergeToList(HashCode prefix, HashCode value) {
        return this.isEmpty(prefix) ? DataResult.success(this.createList(Stream.of(value))) : unsupported();
    }
 
    public DataResult<HashCode> mergeToList(HashCode prefix, List<HashCode> values) {
        return this.isEmpty(prefix) ? DataResult.success(this.createList(values.stream())) : unsupported();
    }
 
    public DataResult<HashCode> mergeToMap(HashCode prefix, HashCode key, HashCode value) {
        return this.isEmpty(prefix) ? DataResult.success(this.createMap(Map.of(key, value))) : unsupported();
    }
 
    public DataResult<HashCode> mergeToMap(HashCode prefix, Map<HashCode, HashCode> values) {
        return this.isEmpty(prefix) ? DataResult.success(this.createMap(values)) : unsupported();
    }
 
    public DataResult<HashCode> mergeToMap(HashCode prefix, MapLike<HashCode> values) {
        return this.isEmpty(prefix) ? DataResult.success(this.createMap(values.entries())) : unsupported();
    }
 
    public DataResult<Stream<Pair<HashCode, HashCode>>> getMapValues(HashCode input) {
        return unsupported();
    }
 
    public DataResult<Consumer<BiConsumer<HashCode, HashCode>>> getMapEntries(HashCode input) {
        return unsupported();
    }
 
    public DataResult<Stream<HashCode>> getStream(HashCode input) {
        return unsupported();
    }
 
    public DataResult<Consumer<Consumer<HashCode>>> getList(HashCode input) {
        return unsupported();
    }
 
    public DataResult<MapLike<HashCode>> getMap(HashCode input) {
        return unsupported();
    }
 
    public DataResult<ByteBuffer> getByteBuffer(HashCode input) {
        return unsupported();
    }
 
    public DataResult<IntStream> getIntStream(HashCode input) {
        return unsupported();
    }
 
    public DataResult<LongStream> getLongStream(HashCode input) {
        return unsupported();
    }
 
    private class ListHashBuilder extends AbstractListBuilder<HashCode, Hasher> {
        public ListHashBuilder() {
            Objects.requireNonNull(HashOps.this);
            super(HashOps.this);
        }
 
        protected Hasher initBuilder() {
            return HashOps.this.hashFunction.newHasher().putByte((byte)4);
        }
 
        protected Hasher append(Hasher hasher, HashCode value) {
            return hasher.putBytes(value.asBytes());
        }
 
        protected DataResult<HashCode> build(Hasher hasher, HashCode prefix) {
            assert prefix.equals(HashOps.this.empty);
 
            hasher.putByte((byte)5);
            return DataResult.success(hasher.hash());
        }
    }
 
    private final class MapHashBuilder extends AbstractUniversalBuilder<HashCode, List<Pair<HashCode, HashCode>>> {
        public MapHashBuilder() {
            Objects.requireNonNull(HashOps.this);
            super(HashOps.this);
        }
 
        protected List<Pair<HashCode, HashCode>> initBuilder() {
            return new ArrayList<>();
        }
 
        protected List<Pair<HashCode, HashCode>> append(HashCode key, HashCode value, List<Pair<HashCode, HashCode>> builder) {
            builder.add(Pair.of(key, value));
            return builder;
        }
 
        protected DataResult<HashCode> build(List<Pair<HashCode, HashCode>> builder, HashCode prefix) {
            assert HashOps.this.isEmpty(prefix);
 
            return DataResult.success(HashOps.hashMap(HashOps.this.hashFunction.newHasher(), builder.stream()).hash());
        }
    }
}

引用的其他类

• CollectToTag
  • 引用位置: 返回值