flink-scala-api/io.findify.flink.api.function

io.findify.flink.api.function

package io.findify.flink.api.function
Keywords

Type members

Classlikes

@Public
trait AllWindowFunction[IN, OUT, W <: Window] extends Function with Serializable

Base interface for functions that are evaluated over non-grouped windows, i.e., windows over all stream partitions.

Base interface for functions that are evaluated over non-grouped windows, i.e., windows over all stream partitions.

Type parameters:
IN

The type of the input value.

OUT

The type of the output value.

@PublicEvolving
abstract class ProcessAllWindowFunction[IN, OUT, W <: Window] extends AbstractRichFunction

Base abstract class for functions that are evaluated over keyed (grouped) windows using a context for retrieving extra information.

Base abstract class for functions that are evaluated over keyed (grouped) windows using a context for retrieving extra information.

Type parameters:
IN

The type of the input value.

OUT

The type of the output value.

W

The type of the window.

@PublicEvolving
abstract class ProcessWindowFunction[IN, OUT, KEY, W <: Window] extends AbstractRichFunction

Base abstract class for functions that are evaluated over keyed (grouped) windows using a context for retrieving extra information.

Base abstract class for functions that are evaluated over keyed (grouped) windows using a context for retrieving extra information.

Type parameters:
IN

The type of the input value.

KEY

The type of the key.

OUT

The type of the output value.

W

The type of the window.

abstract class RichAllWindowFunction[IN, OUT, W <: Window] extends AbstractRichFunction with AllWindowFunction[IN, OUT, W]

Rich variant of the io.findify.flink.api.function.AllWindowFunction.

Rich variant of the io.findify.flink.api.function.AllWindowFunction.

As a org.apache.flink.api.common.functions.RichFunction, it gives access to the org.apache.flink.api.common.functions.RuntimeContext and provides setup and tear-down methods.

Type parameters:
IN

The type of the input value.

OUT

The type of the output value.

W

The type of Window that this window function can be applied on.

abstract class RichWindowFunction[IN, OUT, KEY, W <: Window] extends AbstractRichFunction with WindowFunction[IN, OUT, KEY, W]

Rich variant of the io.findify.flink.api.function.WindowFunction.

Rich variant of the io.findify.flink.api.function.WindowFunction.

As a org.apache.flink.api.common.functions.RichFunction, it gives access to the org.apache.flink.api.common.functions.RuntimeContext and provides setup and tear-down methods.

Type parameters:
IN

The type of the input value.

KEY

The type of the key.

OUT

The type of the output value.

W

The type of Window that this window function can be applied on.

@Public
trait StatefulFunction[I, O, S] extends RichFunction

Trait implementing the functionality necessary to apply stateful functions in RichFunctions without exposing the OperatorStates to the user. The user should call the applyWithState method in his own RichFunction implementation.

Trait implementing the functionality necessary to apply stateful functions in RichFunctions without exposing the OperatorStates to the user. The user should call the applyWithState method in his own RichFunction implementation.

@Public
trait WindowFunction[IN, OUT, KEY, W <: Window] extends Function with Serializable

Base interface for functions that are evaluated over keyed (grouped) windows.

Base interface for functions that are evaluated over keyed (grouped) windows.

Type parameters:
IN

The type of the input value.

KEY

The type of the key.

OUT

The type of the output value.