com.mmnaseri.utils.spring.data.query

Interface ParameterMetadataExtractor<E>

All Known Subinterfaces:

PageParameterExtractor, SortParameterExtractor

All Known Implementing Classes:

AbstractSortParameterExtractor, DirectSortParameterExtractor, PageablePageParameterExtractor, PageableSortParameterExtractor, WrappedSortParameterExtractor

public interface ParameterMetadataExtractor<E>

This interface encapsulates the process of extracting metadata for a query execution from a given query method invocation.

Since:

1.0 (9/19/15)

Author:

Milad Naseri (mmnaseri@programmer.net)

Method Summary

Modifier and Type	Method and Description
E	extract(Invocation invocation) Extracts the promised metadata as per this invocation.

Method Detail

extract

E extract(Invocation invocation)

Extracts the promised metadata as per this invocation.

Parameters:

invocation - the invocation

Returns:

the promised metadata or null if nothing relevant can be found