本文整理了Java中com.google.common.hash.HashCode.asInt()
方法的一些代码示例,展示了HashCode.asInt()
的具体用法。这些代码示例主要来源于Github
/Stackoverflow
/Maven
等平台,是从一些精选项目中提取出来的代码,具有较强的参考意义,能在一定程度帮忙到你。HashCode.asInt()
方法的具体详情如下:
包路径:com.google.common.hash.HashCode
类名称:HashCode
方法名:asInt
[英]Returns the first four bytes of #asBytes(), converted to an int value in little-endian order.
[中]返回#asBytes()的前四个字节,按小尾数顺序转换为int值。
代码示例来源:origin: google/guava
@Override
boolean equalsSameBits(HashCode that) {
return hash == that.asInt();
}
代码示例来源:origin: google/j2objc
@Override
boolean equalsSameBits(HashCode that) {
return hash == that.asInt();
}
代码示例来源:origin: apache/incubator-druid
@VisibleForTesting
public static int hash(ObjectMapper jsonMapper, List<Object> objects) throws JsonProcessingException
{
return hashFunction.hashBytes(jsonMapper.writeValueAsBytes(objects)).asInt();
}
代码示例来源:origin: springside/springside4
/**
* 对输入字符串进行murmur32散列, 返回值可能是负数
*/
public static int murmur32AsInt(@NotNull byte[] input) {
return Hashing.murmur3_32(MURMUR_SEED).hashBytes(input).asInt();
}
代码示例来源:origin: google/guava
/**
* Returns a "Java hash code" for this {@code HashCode} instance; this is well-defined (so, for
* example, you can safely put {@code HashCode} instances into a {@code HashSet}) but is otherwise
* probably not what you want to use.
*/
@Override
public final int hashCode() {
// If we have at least 4 bytes (32 bits), just take the first 4 bytes. Since this is
// already a (presumably) high-quality hash code, any four bytes of it will do.
if (bits() >= 32) {
return asInt();
}
// If we have less than 4 bytes, use them all.
byte[] bytes = getBytesInternal();
int val = (bytes[0] & 0xFF);
for (int i = 1; i < bytes.length; i++) {
val |= ((bytes[i] & 0xFF) << (i * 8));
}
return val;
}
代码示例来源:origin: springside/springside4
/**
* 对输入字符串进行murmur32散列, 返回值可能是负数
*/
public static int murmur32AsInt(@NotNull String input) {
return Hashing.murmur3_32(MURMUR_SEED).hashString(input, Charsets.UTF_8).asInt();
}
代码示例来源:origin: atomix/atomix
@Override
public PartitionId partition(String key, List<PartitionId> partitions) {
int hash = Math.abs(Hashing.murmur3_32().hashUnencodedChars(key).asInt());
return partitions.get(Hashing.consistentHash(hash, partitions.size()));
}
}
代码示例来源:origin: atomix/atomix
public DefaultRaftMember(MemberId id, Type type, Instant updated) {
this.id = checkNotNull(id, "id cannot be null");
this.hash = Hashing.murmur3_32()
.hashUnencodedChars(id.id())
.asInt();
this.type = checkNotNull(type, "type cannot be null");
this.updated = checkNotNull(updated, "updated cannot be null");
}
代码示例来源:origin: google/guava
/**
* Verifies that the crc of an array of byte data matches the expected value.
*
* @param expectedCrc the expected crc value.
* @param data the data to run the checksum on.
*/
private static void assertCrc(int expectedCrc, byte[] data) {
int actualCrc = Hashing.crc32c().hashBytes(data).asInt();
assertEquals(expectedCrc, actualCrc);
}
代码示例来源:origin: ben-manes/caffeine
private void onAccess(long key) {
sample++;
if (Math.floorMod(hasher.hashLong(key).asInt(), R) < 1) {
for (WindowTinyLfuPolicy policy : minis) {
policy.record(key);
}
}
}
代码示例来源:origin: google/guava
public void testFromBytesNoCopy_noCopyOccurs() {
byte[] bytes = new byte[] {(byte) 0xcd, (byte) 0xab, (byte) 0x00, (byte) 0x00};
HashCode hashCode = HashCode.fromBytesNoCopy(bytes);
assertEquals(0x0000abcd, hashCode.asInt());
assertEquals("cdab0000", hashCode.toString());
bytes[0] = (byte) 0x00;
assertEquals(0x0000ab00, hashCode.asInt());
assertEquals("00ab0000", hashCode.toString());
}
代码示例来源:origin: google/guava
public void testFromBytes_copyOccurs() {
byte[] bytes = new byte[] {(byte) 0xcd, (byte) 0xab, (byte) 0x00, (byte) 0x00};
HashCode hashCode = HashCode.fromBytes(bytes);
int expectedInt = 0x0000abcd;
String expectedToString = "cdab0000";
assertEquals(expectedInt, hashCode.asInt());
assertEquals(expectedToString, hashCode.toString());
bytes[0] = (byte) 0x00;
assertEquals(expectedInt, hashCode.asInt());
assertEquals(expectedToString, hashCode.toString());
}
代码示例来源:origin: google/guava
public void testGetBytesInternal_noCloneOccurs() {
byte[] bytes = new byte[] {(byte) 0xcd, (byte) 0xab, (byte) 0x00, (byte) 0x00};
HashCode hashCode = HashCode.fromBytes(bytes);
assertEquals(0x0000abcd, hashCode.asInt());
assertEquals("cdab0000", hashCode.toString());
hashCode.getBytesInternal()[0] = (byte) 0x00;
assertEquals(0x0000ab00, hashCode.asInt());
assertEquals("00ab0000", hashCode.toString());
}
代码示例来源:origin: google/guava
private static void assertHash32(
int expected, ImmutableSupplier<Checksum> supplier, String input) {
byte[] bytes = HashTestUtils.ascii(input);
String toString = "name";
HashFunction func = new ChecksumHashFunction(supplier, 32, toString);
assertEquals(expected, func.hashBytes(bytes).asInt());
assertEquals(toString, func.toString());
}
}
代码示例来源:origin: google/guava
int hash1 = function.hashInt(key1).asInt();
int hash2 = function.hashInt(key2).asInt();
代码示例来源:origin: google/guava
int hash1 = function.hashInt(key1).asInt();
int hash2 = function.hashInt(key2).asInt();
for (int k = 0; k < hashBits; k++) {
if ((hash1 & (1 << k)) == (hash2 & (1 << k))) {
代码示例来源:origin: google/guava
int hash1 = function.hashInt(key1).asInt();
int hash2 = function.hashInt(key2).asInt();
for (int k = 0; k < hashBits; k++) {
if ((hash1 & (1 << k)) == (hash2 & (1 << k))) {
代码示例来源:origin: google/guava
int coercedHash = Hashing.murmur3_32().hashLong(addressAsLong).asInt();
代码示例来源:origin: google/guava
int hash1 = function.hashInt(key1).asInt();
int hash2 = function.hashInt(key2).asInt();
代码示例来源:origin: google/guava
private static void assertExpectedHashCode(ExpectedHashCode expectedHashCode, HashCode hash) {
assertTrue(Arrays.equals(expectedHashCode.bytes, hash.asBytes()));
byte[] bb = new byte[hash.bits() / 8];
hash.writeBytesTo(bb, 0, bb.length);
assertTrue(Arrays.equals(expectedHashCode.bytes, bb));
assertEquals(expectedHashCode.asInt, hash.asInt());
if (expectedHashCode.asLong == null) {
try {
hash.asLong();
fail();
} catch (IllegalStateException expected) {
}
} else {
assertEquals(expectedHashCode.asLong.longValue(), hash.asLong());
}
assertEquals(expectedHashCode.toString, hash.toString());
assertSideEffectFree(hash);
assertReadableBytes(hash);
}
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