| /* |
| * Licensed to the Apache Software Foundation (ASF) under one or more |
| * contributor license agreements. See the NOTICE file distributed with |
| * this work for additional information regarding copyright ownership. |
| * The ASF licenses this file to You 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 org.apache.usergrid.corepersistence.service; |
| |
| |
| import org.apache.usergrid.corepersistence.pipeline.builder.EntityBuilder; |
| import org.apache.usergrid.corepersistence.pipeline.builder.IdBuilder; |
| import org.apache.usergrid.corepersistence.pipeline.builder.PipelineBuilderFactory; |
| import org.apache.usergrid.corepersistence.pipeline.read.ResultsPage; |
| import org.apache.usergrid.corepersistence.util.CpCollectionUtils; |
| import org.apache.usergrid.persistence.core.scope.ApplicationScope; |
| import org.apache.usergrid.persistence.model.entity.Entity; |
| |
| import com.google.common.base.Optional; |
| import com.google.inject.Inject; |
| import com.google.inject.Singleton; |
| |
| import org.apache.usergrid.persistence.model.entity.Id; |
| import rx.Observable; |
| |
| |
| /** |
| * Implementation of the collection service |
| */ |
| @Singleton |
| public class CollectionServiceImpl implements CollectionService { |
| |
| |
| private final PipelineBuilderFactory pipelineBuilderFactory; |
| |
| |
| @Inject |
| public CollectionServiceImpl( final PipelineBuilderFactory pipelineBuilderFactory ) { |
| this.pipelineBuilderFactory = pipelineBuilderFactory; |
| } |
| |
| |
| @Override |
| public Observable<ResultsPage<Entity>> searchCollection( final CollectionSearch search ) { |
| |
| |
| final ApplicationScope applicationScope = search.getApplicationScope(); |
| final String collectionName = search.getCollectionName(); |
| final Optional<String> query = search.getQuery(); |
| |
| final IdBuilder pipelineBuilder = |
| pipelineBuilderFactory.create( applicationScope ) |
| .withCursor( search.getCursor() ) |
| .withLimit( search.getLimit() ) |
| .keepStaleEntries(search.getKeepStaleEntries()) |
| .query(query) |
| .fromId( search.getCollectionOwnerId() ); |
| |
| |
| final EntityBuilder results; |
| |
| if ( !query.isPresent()) { |
| results = pipelineBuilder.traverseCollection( collectionName ).loadEntities(); |
| } |
| else { |
| results = pipelineBuilder.searchCollection( collectionName, query.get(),search).loadEntities(); |
| } |
| |
| |
| return results.build(); |
| } |
| |
| @Override |
| public Observable<ResultsPage<Id>> searchCollectionIds(final CollectionSearch search ) { |
| |
| |
| final ApplicationScope applicationScope = search.getApplicationScope(); |
| final String collectionName = search.getCollectionName(); |
| |
| final IdBuilder pipelineBuilder = |
| pipelineBuilderFactory.create( applicationScope ).withCursor( search.getCursor() ) |
| .withLimit( search.getLimit() ).fromId( search.getCollectionOwnerId() ); |
| |
| |
| final IdBuilder results; |
| |
| |
| results = pipelineBuilder.traverseCollection( collectionName ); |
| |
| |
| return results.build(); |
| } |
| } |