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Add tests for doc and lpg checkpoints and refactor activities
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118
...w-engine/src/main/java/org/polypheny/db/workflow/dag/activities/impl/DocLoadActivity.java
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| /* | ||
| * Copyright 2019-2024 The Polypheny Project | ||
| * | ||
| * 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. | ||
| */ | ||
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| package org.polypheny.db.workflow.dag.activities.impl; | ||
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| import static org.polypheny.db.workflow.dag.activities.impl.DocLoadActivity.COLL_KEY; | ||
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| import java.util.List; | ||
| import java.util.Optional; | ||
| import org.polypheny.db.algebra.type.AlgDataType; | ||
| import org.polypheny.db.catalog.entity.logical.LogicalCollection; | ||
| import org.polypheny.db.catalog.logistic.DataModel; | ||
| import org.polypheny.db.transaction.Transaction; | ||
| import org.polypheny.db.type.entity.PolyValue; | ||
| import org.polypheny.db.workflow.dag.activities.Activity; | ||
| import org.polypheny.db.workflow.dag.activities.Activity.ActivityCategory; | ||
| import org.polypheny.db.workflow.dag.activities.Activity.PortType; | ||
| import org.polypheny.db.workflow.dag.activities.ActivityException; | ||
| import org.polypheny.db.workflow.dag.activities.ActivityException.InvalidSettingException; | ||
| import org.polypheny.db.workflow.dag.activities.Pipeable; | ||
| import org.polypheny.db.workflow.dag.annotations.ActivityDefinition; | ||
| import org.polypheny.db.workflow.dag.annotations.ActivityDefinition.InPort; | ||
| import org.polypheny.db.workflow.dag.annotations.EntitySetting; | ||
| import org.polypheny.db.workflow.dag.settings.EntityValue; | ||
| import org.polypheny.db.workflow.dag.settings.SettingDef.Settings; | ||
| import org.polypheny.db.workflow.dag.settings.SettingDef.SettingsPreview; | ||
| import org.polypheny.db.workflow.engine.execution.context.ExecutionContext; | ||
| import org.polypheny.db.workflow.engine.execution.context.PipeExecutionContext; | ||
| import org.polypheny.db.workflow.engine.execution.pipe.InputPipe; | ||
| import org.polypheny.db.workflow.engine.execution.pipe.OutputPipe; | ||
| import org.polypheny.db.workflow.engine.storage.DocBatchWriter; | ||
| import org.polypheny.db.workflow.engine.storage.reader.CheckpointReader; | ||
| import org.polypheny.db.workflow.engine.storage.reader.DocReader; | ||
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| @ActivityDefinition(type = "docLoad", displayName = "Load Collection", categories = { ActivityCategory.LOAD, ActivityCategory.DOCUMENT }, | ||
| inPorts = { @InPort(type = PortType.DOC) }, | ||
| outPorts = {}) | ||
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| @EntitySetting(key = COLL_KEY, displayName = "Collection", dataModel = DataModel.DOCUMENT) | ||
| @SuppressWarnings("unused") | ||
| public class DocLoadActivity implements Activity, Pipeable { | ||
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| static final String COLL_KEY = "collection"; | ||
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| @Override | ||
| public List<Optional<AlgDataType>> previewOutTypes( List<Optional<AlgDataType>> inTypes, SettingsPreview settings ) throws ActivityException { | ||
| return List.of(); | ||
| } | ||
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| @Override | ||
| public void reset() { | ||
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| } | ||
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| @Override | ||
| public void execute( List<CheckpointReader> inputs, Settings settings, ExecutionContext ctx ) throws Exception { | ||
| LogicalCollection collection = getEntity( settings.get( COLL_KEY, EntityValue.class ) ); | ||
| DocReader reader = (DocReader) inputs.get( 0 ); | ||
| write( collection, ctx.getTransaction(), reader.getIterable(), ctx, reader.getDocCount() ); | ||
| } | ||
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| @Override | ||
| public AlgDataType lockOutputType( List<AlgDataType> inTypes, Settings settings ) throws Exception { | ||
| return null; | ||
| } | ||
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| @Override | ||
| public void pipe( List<InputPipe> inputs, OutputPipe output, Settings settings, PipeExecutionContext ctx ) throws Exception { | ||
| LogicalCollection collection = getEntity( settings.get( COLL_KEY, EntityValue.class ) ); | ||
| write( collection, ctx.getTransaction(), inputs.get( 0 ), null, 1 ); | ||
| } | ||
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| private LogicalCollection getEntity( EntityValue setting ) throws ActivityException { | ||
| // TODO: check if the adapter is a data store (and thus writable) | ||
| LogicalCollection collection = setting.getCollection(); | ||
| if ( collection == null ) { | ||
| throw new InvalidSettingException( "Specified collection does not exist", COLL_KEY ); | ||
| } | ||
| return collection; | ||
| } | ||
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| private void write( LogicalCollection collection, Transaction transaction, Iterable<List<PolyValue>> tuples, ExecutionContext ctx, long totalTuples ) throws Exception { | ||
| long count = 0; | ||
| try ( DocBatchWriter writer = new DocBatchWriter( collection, transaction ) ) { | ||
| for ( List<PolyValue> tuple : tuples ) { | ||
| System.out.println( "Loading value " + tuple.get( 0 ).asDocument() ); | ||
| writer.write( tuple.get( 0 ).asDocument() ); | ||
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| count++; | ||
| if ( ctx != null && count % 1024 == 0 ) { | ||
| ctx.updateProgress( (double) count / totalTuples ); | ||
| ctx.checkInterrupted(); | ||
| } | ||
| } | ||
| } | ||
| } | ||
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| } |
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