java 数据库开发 mybatis apache bc java 雪花id IdentifierGenerator java实现雪花算法 静态内部类单例模式实现雪花算法 在生成表主键ID时,我们可以考虑主键自增 或者 UUID,但它们都有很明显的缺点主键自增:1、自增ID容易被爬虫遍历数据。2、分表分库会有ID冲突。UUID: 1、太长,并且有索引碎片,索
java 雪花id IdentifierGenerator java实现雪花算法 静态内部类单例模式实现雪花算法 在生成表主键ID时,我们可以考虑主键自增或者UUID,但它们都有很明显的缺点 主键自增:1、自增ID容易被爬虫遍历数据。2、分表分库会有ID冲突。 UUID:1、太长,并且有索引碎片,索引多占用空间的问题 2、无序。 雪花算法就很适合在分...
IdentifierHelper Identity IdentityHashMap IdentityScope IDLEntity IDLType IDLTypeHelper IDLTypeOperations IDN IdUniquenessPolicy IdUniquenessPolicyOperations IdUniquenessPolicyValue IIOByteBuffer IIOException IIOImage IIOInvalidTreeException IIOMetadata IIOMetadataController IIOMetadataFormat...
ULID (Universally Unique Lexicographically Sortable Identifier) generator and parser for Java. - azam/ulidj
InvalidAttributeIdentifierException InvalidAttributesException InvalidAttributeValueException InvalidAttributeValueException InvalidClassException InvalidCodeIndexException InvalidDnDOperationException InvalidKeyException InvalidKeyException InvalidKeySpecException InvalidLineNumberException InvalidMarkException InvalidMidiDataException In...
org.omg.CosNaming.NamingContextExtPackage 此包包含以下在 org.omg.CosNaming.NamingContextExt 中使用的类: AddressHelper StringNameHelper URLStringHelper InvalidAddress 包规范 有关 Java[tm] Platform, Standard Edition 6 ORB 遵守的官方规范的受支持部分的明确列表,请参阅 Official Specifications for CORBA suppo...
name must always be specified and must be a legal Java identifier. value must be the enumeration value specified in the source schema. <javadoc> customizes the Javadoc tool annotations for the enumeration constant.For inline annotations, the <typesafeEnumClass> declaration must be specified in the...
3.若要映射的表都有前缀,则可用实现PhysicalNamingStrategy接口或继承已有的实现 1packageorg.jpwh.shared;23importorg.hibernate.boot.model.naming.Identifier;4importorg.hibernate.engine.jdbc.env.spi.JdbcEnvironment;56/**7* Prefixes all SQL table names with "CE_", for CaveatEmptor.8*/9publicclassCENam...
Attribute ::= SEQUENCE { type AttributeType, values SET OF AttributeValue } AttributeType ::= OBJECT IDENTIFIER AttributeValue ::= ANY defined by type Java documentation forjava.security.PKCS12Attribute.PKCS12Attribute(byte[]). Portions of this page are modifications based on work created and sha...
privatefinalCompressUUIDGeneratoruuidGenerator=newCompressUUIDGenerator(); publicImadcnIdentifierGenerator(StringserverLists){ this(configuration(serverLists)); } publicImadcnIdentifierGenerator(ZookeeperConfigurationzookeeperConfiguration){ this(zookeeperConfiguration,newApplicationConfigur...