Package org.apache.flink.table.legacy.sources.tsextractors

Class TimestampExtractor

java.lang.Object

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

All Implemented Interfaces:

Serializable, Descriptor, FieldComputer<Long>

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

Deprecated.

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.

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

See Also:

• Serialized Form

Constructor Summary

Constructors

Constructor	Description
TimestampExtractor()	Deprecated.

Method Summary

Modifier and Type	Method	Description
org.apache.flink.api.common.typeinfo.TypeInformation<Long>	getReturnType()	Deprecated. Returns the result type of the expression.
Map<String,String>	toProperties()	Deprecated. This method is a default implementation that uses java serialization and it is discouraged.

Methods inherited from class java.lang.Object

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

Methods inherited from interface org.apache.flink.table.legacy.sources.FieldComputer

getArgumentFields, getExpression, validateArgumentFields

Constructor Details

TimestampExtractor

public TimestampExtractor()

Deprecated.

Method Details

getReturnType

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

Deprecated.

Description copied from interface: FieldComputer

Returns the result type of the expression.

Specified by:

getReturnType in interface FieldComputer<Long>

Returns:

The result type of the expression.

toProperties

public Map<String,String> toProperties()

Deprecated.

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

Specified by:

toProperties in interface Descriptor