org.apache.flink.table.sources.tsextractors

类 TimestampExtractor

java.lang.Object

org.apache.flink.table.sources.tsextractors.TimestampExtractor

所有已实现的接口:

Serializable, Descriptor, FieldComputer<Long>

已过时。

This interface will not be supported in the new source design around DynamicTableSource. Use the concept of computed columns instead. See FLIP-95 for more information.

@Deprecated
 @PublicEvolving
public abstract class TimestampExtractor
extends Object
implements FieldComputer<Long>, Serializable, Descriptor

Provides an expression to extract the timestamp for a rowtime attribute.

另请参阅:

序列化表格

构造器概要

构造器

构造器和说明
TimestampExtractor() 已过时。

方法概要

限定符和类型	方法和说明
org.apache.flink.api.common.typeinfo.TypeInformation<Long>	getReturnType() 已过时。 Returns the result type of the expression.
Map<String,String>	toProperties() 已过时。 This method is a default implementation that uses java serialization and it is discouraged.

从类继承的方法 java.lang.Object

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

从接口继承的方法 org.apache.flink.table.sources.FieldComputer

getArgumentFields, getExpression, validateArgumentFields

构造器详细资料

TimestampExtractor

public TimestampExtractor()

已过时。

方法详细资料

getReturnType

public org.apache.flink.api.common.typeinfo.TypeInformation<Long> getReturnType()

已过时。

从接口复制的说明: FieldComputer

Returns the result type of the expression.

指定者:

getReturnType 在接口中 FieldComputer<Long>

返回:

The result type of the expression.

toProperties

public Map<String,String> toProperties()

已过时。

This method is a default implementation that uses java serialization and it is discouraged. All implementation should provide a more specific set of properties.

指定者:

toProperties 在接口中 Descriptor