io.lettuce.core.search.arguments

Class PostProcessingArgs.GroupBy<K,V>

java.lang.Object

io.lettuce.core.search.arguments.PostProcessingArgs.GroupBy<K,V>

Type Parameters:

K - Key type.

V - Value type.

All Implemented Interfaces:

PostProcessingArgs.PostProcessingOperation<K,V>

Enclosing class:

PostProcessingArgs<K,V>

public static class PostProcessingArgs.GroupBy<K,V>
extends Object
implements PostProcessingArgs.PostProcessingOperation<K,V>

GROUPBY post-processing operation. Groups results by one or more properties with reducer functions.

See Also:

PostProcessingArgs.Reducer, PostProcessingArgs.ReduceFunction

Method Summary

Modifier and Type	Method and Description
void	build(CommandArgs<K,V> args) Build the operation arguments into the command args.
static <K,V> PostProcessingArgs.GroupBy<K,V>	of(K... properties) Static factory method to create a GroupBy instance.
PostProcessingArgs.GroupBy<K,V>	reduce(PostProcessingArgs.Reducer<K,V> reducer) Add a reducer to this GROUPBY operation.

Methods inherited from class java.lang.Object

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

Method Detail

reduce

public PostProcessingArgs.GroupBy<K,V> reduce(PostProcessingArgs.Reducer<K,V> reducer)

Add a reducer to this GROUPBY operation.

Parameters:

reducer - the reducer to add

Returns:

this GroupBy instance

of

@SafeVarargs
public static <K,V> PostProcessingArgs.GroupBy<K,V> of(K... properties)

Static factory method to create a GroupBy instance.

Type Parameters:

K - Key type

V - Value type

Parameters:

properties - the properties to group by

Returns:

new GroupBy instance

build

public void build(CommandArgs<K,V> args)

Description copied from interface: PostProcessingArgs.PostProcessingOperation

Build the operation arguments into the command args.

Specified by:

build in interface PostProcessingArgs.PostProcessingOperation<K,V>

Parameters:

args - the command args to build into