Implementation:Treeverse LakeFS Java SDK Model ObjectStats

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 and statistics for a stored object in the lakeFS Java SDK.

Description

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

Usage

Use this model when retrieving object metadata and statistics 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/ObjectStats.java
• Lines: 1-589

Signature

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

Import

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

I/O Contract

Inputs

Name	Type	Required	Description
path	String	Yes	Logical path of the object in the repository
path_type	PathTypeEnum	Yes	Type of path entry (common_prefix or object)
physical_address	String	Yes	Physical storage address of the object
physical_address_expiry	Long	No	Expiry time for physical address access
checksum	String	Yes	Checksum of the object content
size_bytes	Long	No	Size of the object in bytes
mtime	Long	Yes	Modification time as epoch milliseconds
metadata	Map<String, String>	No	User-defined metadata key-value pairs
content_type	String	No	MIME content type of the object

Outputs

Name	Type	Description
JSON	String	Serialized JSON representation of the object

Usage Examples

Creating an Instance

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

ObjectStats obj = new ObjectStats();
obj.setPath("data/file.parquet");
obj.setPathType(ObjectStats.PathTypeEnum.OBJECT);
obj.setChecksum("abc123");

Related Pages

• Principle:Treeverse_LakeFS_Java_SDK_Data_Models
• Environment:Treeverse_LakeFS_LakeFS_Server_Environment