github.com/weaviate/weaviate@v1.24.6/entities/filters/cursor.go (about)

     1  //                           _       _
     2  // __      _____  __ ___   ___  __ _| |_ ___
     3  // \ \ /\ / / _ \/ _` \ \ / / |/ _` | __/ _ \
     4  //  \ V  V /  __/ (_| |\ V /| | (_| | ||  __/
     5  //   \_/\_/ \___|\__,_| \_/ |_|\__,_|\__\___|
     6  //
     7  //  Copyright © 2016 - 2024 Weaviate B.V. All rights reserved.
     8  //
     9  //  CONTACT: hello@weaviate.io
    10  //
    11  
    12  package filters
    13  
    14  type Cursor struct {
    15  	After string `json:"after"`
    16  	Limit int    `json:"limit"`
    17  }
    18  
    19  // ExtractCursorFromArgs gets the limit key out of a map. Not specific to
    20  // GQL, but can be used from GQL
    21  func ExtractCursorFromArgs(args map[string]interface{}) (*Cursor, error) {
    22  	after, afterOk := args["after"]
    23  
    24  	limit, limitOk := args["limit"]
    25  	if !limitOk || limit.(int) < 0 {
    26  		limit = LimitFlagNotSet
    27  	}
    28  
    29  	if !afterOk && !limitOk || after == nil {
    30  		return nil, nil
    31  	}
    32  
    33  	return &Cursor{
    34  		After: after.(string),
    35  		Limit: limit.(int),
    36  	}, nil
    37  }