org.apache.flink.table.factories

类 TableFactoryService

java.lang.Object

org.apache.flink.table.factories.TableFactoryService

@Internal
public class TableFactoryService
extends Object

Unified class to search for a TableFactory of provided type and properties.

字段概要

字段

限定符和类型	字段和说明
static String	FORMAT Prefix for format-related properties.
static String	FORMAT_DERIVE_SCHEMA Key for deriving the schema of the format from the table's schema.
static String	FORMAT_PROPERTY_VERSION Key for describing the property version.
static String	FORMAT_TYPE Key for describing the type of the format.

构造器概要

构造器

构造器和说明
TableFactoryService()

方法概要

限定符和类型	方法和说明
static <T extends TableFactory> T	find(Class<T> factoryClass, Descriptor descriptor) Finds a table factory of the given class and descriptor.
static <T extends TableFactory> T	find(Class<T> factoryClass, Descriptor descriptor, ClassLoader classLoader) Finds a table factory of the given class, descriptor, and classloader.
static <T extends TableFactory> T	find(Class<T> factoryClass, Map<String,String> propertyMap) Finds a table factory of the given class and property map.
static <T extends TableFactory> T	find(Class<T> factoryClass, Map<String,String> propertyMap, ClassLoader classLoader) Finds a table factory of the given class, property map, and classloader.
static <T extends TableFactory> List<T>	findAll(Class<T> factoryClass, Map<String,String> propertyMap) Finds all table factories of the given class and property map.

从类继承的方法 java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

字段详细资料

FORMAT

public static final String FORMAT

Prefix for format-related properties.

另请参阅:

常量字段值

FORMAT_TYPE

public static final String FORMAT_TYPE

Key for describing the type of the format. Usually used for factory discovery.

另请参阅:

常量字段值

FORMAT_PROPERTY_VERSION

public static final String FORMAT_PROPERTY_VERSION

Key for describing the property version. This property can be used for backwards compatibility in case the property format changes.

另请参阅:

常量字段值

FORMAT_DERIVE_SCHEMA

public static final String FORMAT_DERIVE_SCHEMA

Key for deriving the schema of the format from the table's schema.

另请参阅:

常量字段值

构造器详细资料

TableFactoryService

public TableFactoryService()

方法详细资料

find

public static <T extends TableFactory> T find(Class<T> factoryClass,
                                              Descriptor descriptor)

Finds a table factory of the given class and descriptor.

类型参数:

T - factory class type

参数:

factoryClass - desired factory class

descriptor - descriptor describing the factory configuration

返回:

the matching factory

find

public static <T extends TableFactory> T find(Class<T> factoryClass,
                                              Descriptor descriptor,
                                              ClassLoader classLoader)

Finds a table factory of the given class, descriptor, and classloader.

类型参数:

T - factory class type

参数:

factoryClass - desired factory class

descriptor - descriptor describing the factory configuration

classLoader - classloader for service loading

返回:

the matching factory

find

public static <T extends TableFactory> T find(Class<T> factoryClass,
                                              Map<String,String> propertyMap)

Finds a table factory of the given class and property map.

类型参数:

T - factory class type

参数:

factoryClass - desired factory class

propertyMap - properties that describe the factory configuration

返回:

the matching factory

find

public static <T extends TableFactory> T find(Class<T> factoryClass,
                                              Map<String,String> propertyMap,
                                              ClassLoader classLoader)

Finds a table factory of the given class, property map, and classloader.

类型参数:

T - factory class type

参数:

factoryClass - desired factory class

propertyMap - properties that describe the factory configuration

classLoader - classloader for service loading

返回:

the matching factory

findAll

public static <T extends TableFactory> List<T> findAll(Class<T> factoryClass,
                                                       Map<String,String> propertyMap)

Finds all table factories of the given class and property map.

类型参数:

T - factory class type

参数:

factoryClass - desired factory class

propertyMap - properties that describe the factory configuration

返回:

all the matching factories