接口的使用
org.apache.flink.table.descriptors.Descriptor

使用Descriptor的程序包

程序包	说明
org.apache.flink.table.descriptors
org.apache.flink.table.factories
org.apache.flink.table.sources.tsextractors
org.apache.flink.table.sources.wmstrategies

org.apache.flink.table.descriptors中Descriptor的使用

实现Descriptor的org.apache.flink.table.descriptors中的类

限定符和类型	类和说明
class	CatalogDescriptor Describes a catalog of tables, views, and functions.
class	ClassInstance Descriptor for a class instance.
class	ConnectorDescriptor Describes a connector to an other system.
class	CoreModuleDescriptor Module descriptor for CoreModule.
class	CustomConnectorDescriptor Describes a custom connector to an other system.
class	DescriptorBase Base class for Descriptors.
class	FileSystem Connector descriptor for a file system.
class	FormatDescriptor Describes the format of data.
class	FunctionDescriptor Descriptor for describing a function.
class	HierarchyDescriptor A descriptor that may exist in an arbitrary level (be recursively included by other descriptors).
class	LiteralValue Descriptor for a literal value.
class	ModuleDescriptor Describes a Module.
class	Rowtime Rowtime descriptor for describing an event time attribute in the schema.
class	Schema Describes a schema of a table.
class	TableDescriptor<D extends TableDescriptor<D>> Describes a table consisting of a connector (in a given update mode) and a format.

org.apache.flink.table.factories中Descriptor的使用

参数类型为Descriptor的org.apache.flink.table.factories中的方法

限定符和类型	方法和说明
static <T extends TableFactory> T	TableFactoryService.find(Class<T> factoryClass, Descriptor descriptor) Finds a table factory of the given class and descriptor.
static <T extends TableFactory> T	TableFactoryService.find(Class<T> factoryClass, Descriptor descriptor, ClassLoader classLoader) Finds a table factory of the given class, descriptor, and classloader.

org.apache.flink.table.sources.tsextractors中Descriptor的使用

实现Descriptor的org.apache.flink.table.sources.tsextractors中的类

限定符和类型	类和说明
class	TimestampExtractor 已过时。 This interface will not be supported in the new source design around DynamicTableSource which only works with the Blink planner. Use the concept of computed columns instead. See FLIP-95 for more information.

org.apache.flink.table.sources.wmstrategies中Descriptor的使用

实现Descriptor的org.apache.flink.table.sources.wmstrategies中的类

限定符和类型	类和说明
class	PreserveWatermarks A strategy which indicates the watermarks should be preserved from the underlying datastream.
class	WatermarkStrategy Provides a strategy to generate watermarks for a rowtime attribute.