Implementation:Treeverse LakeFS Java SDK Model RangeMetadata

Knowledge Sources	Treeverse_LakeFS lakeFS API Reference
Domains	Java_SDK, Data_Model
Last Updated	2026-02-08 00:00 GMT

Overview

Concrete data transfer object representing metadata for a range of objects in the lakeFS Java SDK.

Description

The RangeMetadata class is an auto-generated model object produced by OpenAPI Generator from the lakeFS API specification. It provides type-safe access to range metadata fields through getter/setter methods and supports JSON serialization via Gson.

Usage

Use this model when working with range-based metadata for internal storage structures through the lakeFS Java SDK API classes.

Code Reference

Source Location

• Repository: Treeverse_LakeFS
• File: clients/java/src/main/java/io/lakefs/clients/sdk/model/RangeMetadata.java
• Lines: 1-414

Signature

public class RangeMetadata {
    // Fields with @SerializedName annotations
    // Getter/setter methods
    // equals, hashCode, toString
    // JSON type adapter
}

Import

import io.lakefs.clients.sdk.model.RangeMetadata;

I/O Contract

Inputs

Name	Type	Required	Description
id	String	Yes	Unique identifier for the range
min_key	String	Yes	Minimum key in the range
max_key	String	Yes	Maximum key in the range
count	Integer	Yes	Number of entries in the range
estimated_size	Integer	No	Estimated size of the range in bytes

Outputs

Name	Type	Description
JSON	String	Serialized JSON representation of the object

Usage Examples

Creating an Instance

import io.lakefs.clients.sdk.model.RangeMetadata;

RangeMetadata obj = new RangeMetadata();
obj.setId("range-abc123");
obj.setMinKey("data/a.parquet");
obj.setMaxKey("data/z.parquet");
obj.setCount(150);

Related Pages

• Principle:Treeverse_LakeFS_Java_SDK_Data_Models
• Environment:Treeverse_LakeFS_LakeFS_Server_Environment