Class InMemoryArtifactService

java.lang.Object

com.google.adk.artifacts.InMemoryArtifactService

All Implemented Interfaces:

BaseArtifactService

public final class InMemoryArtifactService
extends Object
implements BaseArtifactService

An in-memory implementation of the BaseArtifactService.

Constructor Summary

Constructors

Constructor	Description
InMemoryArtifactService()

Method Summary

Modifier and Type	Method	Description
io.reactivex.rxjava3.core.Completable	deleteArtifact(String appName, String userId, String sessionId, String filename)	Deletes all versions of the given artifact.
io.reactivex.rxjava3.core.Single<ListArtifactsResponse>	listArtifactKeys(String appName, String userId, String sessionId)	Lists filenames of stored artifacts for the session.
io.reactivex.rxjava3.core.Single<com.google.common.collect.ImmutableList<Integer>>	listVersions(String appName, String userId, String sessionId, String filename)	Lists all versions of the specified artifact.
io.reactivex.rxjava3.core.Maybe<com.google.genai.types.Part>	loadArtifact(String appName, String userId, String sessionId, String filename, Optional<Integer> version)	Loads an artifact by version or latest.
io.reactivex.rxjava3.core.Single<Integer>	saveArtifact(String appName, String userId, String sessionId, String filename, com.google.genai.types.Part artifact)	Saves an artifact in memory and assigns a new version.

Methods inherited from class java.lang.Object

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

Constructor Details

InMemoryArtifactService

public InMemoryArtifactService()

Method Details

saveArtifact

public io.reactivex.rxjava3.core.Single<Integer> saveArtifact(String appName,
 String userId,
 String sessionId,
 String filename,
 com.google.genai.types.Part artifact)

Saves an artifact in memory and assigns a new version.

Specified by:

saveArtifact in interface BaseArtifactService

Parameters:

appName - the app name

userId - the user ID

sessionId - the session ID

filename - the filename

artifact - the artifact

Returns:

Single with assigned version number.

loadArtifact

public io.reactivex.rxjava3.core.Maybe<com.google.genai.types.Part> loadArtifact(String appName,
 String userId,
 String sessionId,
 String filename,
 Optional<Integer> version)

Loads an artifact by version or latest.

Specified by:

loadArtifact in interface BaseArtifactService

Parameters:

appName - the app name

userId - the user ID

sessionId - the session ID

filename - the filename

version - Optional version number. If null, loads the latest version.

Returns:

Maybe with the artifact, or empty if not found.

listArtifactKeys

public io.reactivex.rxjava3.core.Single<ListArtifactsResponse> listArtifactKeys(String appName,
 String userId,
 String sessionId)

Lists filenames of stored artifacts for the session.

Specified by:

listArtifactKeys in interface BaseArtifactService

Parameters:

appName - the app name

userId - the user ID

sessionId - the session ID

Returns:

Single with list of artifact filenames.

deleteArtifact

public io.reactivex.rxjava3.core.Completable deleteArtifact(String appName,
 String userId,
 String sessionId,
 String filename)

Deletes all versions of the given artifact.

Specified by:

deleteArtifact in interface BaseArtifactService

Parameters:

appName - the app name

userId - the user ID

sessionId - the session ID

filename - the filename

Returns:

Completable indicating completion.

listVersions

public io.reactivex.rxjava3.core.Single<com.google.common.collect.ImmutableList<Integer>> listVersions(String appName,
 String userId,
 String sessionId,
 String filename)

Lists all versions of the specified artifact.

Specified by:

listVersions in interface BaseArtifactService

Parameters:

appName - the app name

userId - the user ID

sessionId - the session ID

filename - the artifact filename

Returns:

Single with list of version numbers.