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[vector-database] Add support for Astra Collections
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2 changes: 1 addition & 1 deletion
2
...rc/main/resources/META-INF/services/ai.langstream.ai.agents.datasource.DataSourceProvider
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -1,2 +1,2 @@ | ||
| ai.langstream.ai.agents.datasource.impl.AstraDataSource | ||
| ai.langstream.ai.agents.datasource.impl.CassandraDataSourceProvider | ||
| ai.langstream.ai.agents.datasource.impl.JdbcDataSourceProvider |
117 changes: 117 additions & 0 deletions
117
...rc/main/java/ai/langstream/agents/vector/astra/AstraCollectionsAssetsManagerProvider.java
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,117 @@ | ||
| /* | ||
| * Copyright DataStax, Inc. | ||
| * | ||
| * Licensed under the Apache License, Version 2.0 (the "License"); | ||
| * you may not use this file except in compliance with the License. | ||
| * You may obtain a copy of the License at | ||
| * | ||
| * http://www.apache.org/licenses/LICENSE-2.0 | ||
| * | ||
| * Unless required by applicable law or agreed to in writing, software | ||
| * distributed under the License is distributed on an "AS IS" BASIS, | ||
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. | ||
| * See the License for the specific language governing permissions and | ||
| * limitations under the License. | ||
| */ | ||
| package ai.langstream.agents.vector.astra; | ||
|
|
||
| import ai.langstream.api.model.AssetDefinition; | ||
| import ai.langstream.api.runner.assets.AssetManager; | ||
| import ai.langstream.api.runner.assets.AssetManagerProvider; | ||
| import ai.langstream.api.util.ConfigurationUtils; | ||
| import io.stargate.sdk.doc.exception.CollectionNotFoundException; | ||
| import java.util.Map; | ||
| import lombok.extern.slf4j.Slf4j; | ||
|
|
||
| @Slf4j | ||
| public class AstraCollectionsAssetsManagerProvider implements AssetManagerProvider { | ||
|
|
||
| @Override | ||
| public boolean supports(String assetType) { | ||
| return "astra-collection".equals(assetType); | ||
| } | ||
|
|
||
| @Override | ||
| public AssetManager createInstance(String assetType) { | ||
|
|
||
| switch (assetType) { | ||
| case "astra-collection": | ||
| return new AstraDBCollectionAssetManager(); | ||
| default: | ||
| throw new IllegalArgumentException(); | ||
| } | ||
| } | ||
|
|
||
| private abstract static class BaseAstraAssetManager implements AssetManager { | ||
|
|
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| AstraCollectionsDataSource datasource; | ||
| AssetDefinition assetDefinition; | ||
|
|
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| @Override | ||
| public void initialize(AssetDefinition assetDefinition) { | ||
| this.datasource = buildDataSource(assetDefinition); | ||
| this.assetDefinition = assetDefinition; | ||
| } | ||
|
|
||
| @Override | ||
| public void close() throws Exception { | ||
| if (datasource != null) { | ||
| datasource.close(); | ||
| } | ||
| } | ||
| } | ||
|
|
||
| private static class AstraDBCollectionAssetManager extends BaseAstraAssetManager { | ||
|
|
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| @Override | ||
| public boolean assetExists() throws Exception { | ||
| String collection = getCollection(); | ||
| log.info("Checking if collection {} exists", collection); | ||
| return datasource.getAstraDB().isCollectionExists(collection); | ||
| } | ||
|
|
||
| @Override | ||
| public void deployAsset() throws Exception { | ||
| int vectorDimension = getVectorDimension(); | ||
|
|
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| String collection = getCollection(); | ||
| log.info("Create collection {} with vector dimension {}", collection, vectorDimension); | ||
| datasource.getAstraDB().createCollection(collection, vectorDimension); | ||
| } | ||
|
|
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| private String getCollection() { | ||
| return ConfigurationUtils.getString("collection", null, assetDefinition.getConfig()); | ||
| } | ||
|
|
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| private int getVectorDimension() { | ||
| return ConfigurationUtils.getInt("vector-dimension", 1536, assetDefinition.getConfig()); | ||
| } | ||
|
|
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| @Override | ||
| public boolean deleteAssetIfExists() throws Exception { | ||
| String collection = getCollection(); | ||
|
|
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| log.info("Deleting collection {}", collection); | ||
|
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| try { | ||
| datasource.getAstraDB().deleteCollection(collection); | ||
| return true; | ||
| } catch (CollectionNotFoundException e) { | ||
| log.info( | ||
| "collection does not exist, maybe it was deleted by another agent ({})", | ||
| e.toString()); | ||
| return false; | ||
| } | ||
| } | ||
| } | ||
|
|
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| private static AstraCollectionsDataSource buildDataSource(AssetDefinition assetDefinition) { | ||
| AstraCollectionsDataSource dataSource = new AstraCollectionsDataSource(); | ||
| Map<String, Object> datasourceDefinition = | ||
| ConfigurationUtils.getMap("datasource", Map.of(), assetDefinition.getConfig()); | ||
| Map<String, Object> configuration = | ||
| ConfigurationUtils.getMap("configuration", Map.of(), datasourceDefinition); | ||
| dataSource.initialize(configuration); | ||
| return dataSource; | ||
| } | ||
| } |
76 changes: 76 additions & 0 deletions
76
...or-agents/src/main/java/ai/langstream/agents/vector/astra/AstraCollectionsDataSource.java
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,76 @@ | ||
| /* | ||
| * Copyright DataStax, Inc. | ||
| * | ||
| * Licensed under the Apache License, Version 2.0 (the "License"); | ||
| * you may not use this file except in compliance with the License. | ||
| * You may obtain a copy of the License at | ||
| * | ||
| * http://www.apache.org/licenses/LICENSE-2.0 | ||
| * | ||
| * Unless required by applicable law or agreed to in writing, software | ||
| * distributed under the License is distributed on an "AS IS" BASIS, | ||
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. | ||
| * See the License for the specific language governing permissions and | ||
| * limitations under the License. | ||
| */ | ||
| package ai.langstream.agents.vector.astra; | ||
|
|
||
| import ai.langstream.api.util.ConfigurationUtils; | ||
| import com.datastax.oss.streaming.ai.datasource.QueryStepDataSource; | ||
| import com.dtsx.astra.sdk.AstraDB; | ||
| import java.util.List; | ||
| import java.util.Map; | ||
| import java.util.stream.Collectors; | ||
| import lombok.extern.slf4j.Slf4j; | ||
|
|
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| @Slf4j | ||
| public class AstraCollectionsDataSource implements QueryStepDataSource { | ||
|
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| AstraDB astraDB; | ||
|
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| @Override | ||
| public void initialize(Map<String, Object> dataSourceConfig) { | ||
| log.info( | ||
| "Initializing CassandraDataSource with config {}", | ||
| ConfigurationUtils.redactSecrets(dataSourceConfig)); | ||
| String astraToken = ConfigurationUtils.getString("token", "", dataSourceConfig); | ||
| String astraEndpoint = ConfigurationUtils.getString("endpoint", "", dataSourceConfig); | ||
| this.astraDB = new AstraDB(astraToken, astraEndpoint); | ||
| } | ||
|
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| @Override | ||
| public void close() {} | ||
|
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| @Override | ||
| public List<Map<String, Object>> fetchData(String query, List<Object> params) { | ||
| if (log.isDebugEnabled()) { | ||
| log.debug( | ||
| "Executing query {} with params {} ({})", | ||
| query, | ||
| params, | ||
| params.stream() | ||
| .map(v -> v == null ? "null" : v.getClass().toString()) | ||
| .collect(Collectors.joining(","))); | ||
| } | ||
| throw new UnsupportedOperationException(); | ||
| } | ||
|
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| @Override | ||
| public Map<String, Object> executeStatement( | ||
| String query, List<String> generatedKeys, List<Object> params) { | ||
| if (log.isDebugEnabled()) { | ||
| log.debug( | ||
| "Executing statement {} with params {} ({})", | ||
| query, | ||
| params, | ||
| params.stream() | ||
| .map(v -> v == null ? "null" : v.getClass().toString()) | ||
| .collect(Collectors.joining(","))); | ||
| } | ||
| throw new UnsupportedOperationException(); | ||
| } | ||
|
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| public AstraDB getAstraDB() { | ||
| return astraDB; | ||
| } | ||
| } |
37 changes: 37 additions & 0 deletions
37
...s/src/main/java/ai/langstream/agents/vector/astra/AstraCollectionsDataSourceProvider.java
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,37 @@ | ||
| /* | ||
| * Copyright DataStax, Inc. | ||
| * | ||
| * Licensed under the Apache License, Version 2.0 (the "License"); | ||
| * you may not use this file except in compliance with the License. | ||
| * You may obtain a copy of the License at | ||
| * | ||
| * http://www.apache.org/licenses/LICENSE-2.0 | ||
| * | ||
| * Unless required by applicable law or agreed to in writing, software | ||
| * distributed under the License is distributed on an "AS IS" BASIS, | ||
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. | ||
| * See the License for the specific language governing permissions and | ||
| * limitations under the License. | ||
| */ | ||
| package ai.langstream.agents.vector.astra; | ||
|
|
||
| import ai.langstream.ai.agents.datasource.DataSourceProvider; | ||
| import com.datastax.oss.streaming.ai.datasource.QueryStepDataSource; | ||
| import java.util.Map; | ||
| import lombok.extern.slf4j.Slf4j; | ||
|
|
||
| @Slf4j | ||
| public class AstraCollectionsDataSourceProvider implements DataSourceProvider { | ||
|
|
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| @Override | ||
| public boolean supports(Map<String, Object> dataSourceConfig) { | ||
| String service = (String) dataSourceConfig.get("service"); | ||
| return "astra-collections".equals(service); | ||
| } | ||
|
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||
| @Override | ||
| public QueryStepDataSource createDataSourceImplementation( | ||
| Map<String, Object> dataSourceConfig) { | ||
| return new AstraCollectionsDataSource(); | ||
| } | ||
| } |
57 changes: 57 additions & 0 deletions
57
...vector-agents/src/main/java/ai/langstream/agents/vector/astra/AstraCollectionsWriter.java
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,57 @@ | ||
| /* | ||
| * Copyright DataStax, Inc. | ||
| * | ||
| * Licensed under the Apache License, Version 2.0 (the "License"); | ||
| * you may not use this file except in compliance with the License. | ||
| * You may obtain a copy of the License at | ||
| * | ||
| * http://www.apache.org/licenses/LICENSE-2.0 | ||
| * | ||
| * Unless required by applicable law or agreed to in writing, software | ||
| * distributed under the License is distributed on an "AS IS" BASIS, | ||
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. | ||
| * See the License for the specific language governing permissions and | ||
| * limitations under the License. | ||
| */ | ||
| package ai.langstream.agents.vector.astra; | ||
|
|
||
| import ai.langstream.api.database.VectorDatabaseWriter; | ||
| import ai.langstream.api.database.VectorDatabaseWriterProvider; | ||
| import ai.langstream.api.runner.code.Record; | ||
| import java.util.Map; | ||
| import java.util.concurrent.CompletableFuture; | ||
| import lombok.extern.slf4j.Slf4j; | ||
|
|
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| @Slf4j | ||
| public class AstraCollectionsWriter implements VectorDatabaseWriterProvider { | ||
|
|
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| @Override | ||
| public boolean supports(Map<String, Object> dataSourceConfig) { | ||
| return "astra-collections".equals(dataSourceConfig.get("service")); | ||
| } | ||
|
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| @Override | ||
| public VectorDatabaseWriter createImplementation(Map<String, Object> datasourceConfig) { | ||
| return new AstraCollectionsDatabaseWriter(datasourceConfig); | ||
| } | ||
|
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| private static class AstraCollectionsDatabaseWriter implements VectorDatabaseWriter { | ||
|
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| private final Map<String, Object> datasourceConfig; | ||
|
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| public AstraCollectionsDatabaseWriter(Map<String, Object> datasourceConfig) { | ||
| this.datasourceConfig = datasourceConfig; | ||
| } | ||
|
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| @Override | ||
| public void initialise(Map<String, Object> agentConfiguration) {} | ||
|
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| @Override | ||
| public CompletableFuture<?> upsert(Record record, Map<String, Object> context) { | ||
| return CompletableFuture.failedFuture(new UnsupportedOperationException()); | ||
| } | ||
|
|
||
| @Override | ||
| public void close() {} | ||
| } | ||
| } |
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