| /* |
| * 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.rx.impl; |
| |
| |
| import com.google.common.base.Optional; |
| |
| import org.apache.usergrid.persistence.collection.serialization.impl.migration.EntityIdScope; |
| import org.apache.usergrid.persistence.core.scope.ApplicationScope; |
| import org.apache.usergrid.persistence.graph.Edge; |
| |
| import rx.Observable; |
| |
| |
| /** |
| * An implementation that will provide all entityId scopes in the system |
| */ |
| public interface AllEntityIdsObservable { |
| |
| /** |
| * Return an observable of scopes from the given appScopes |
| * @param appScopes |
| * @return An observable of entityId scopes |
| */ |
| Observable<EntityIdScope> getEntities( final Observable<ApplicationScope> appScopes ); |
| |
| /** |
| * Get all edges that represent edges to entities in the system |
| * @param appScopes |
| * @param edgeType The edge type to use (if specified) |
| * @param lastEdge The edge to resume processing from |
| * @return |
| */ |
| Observable<EdgeScope> getEdgesToEntities(final Observable<ApplicationScope> appScopes, final Optional<String> edgeType, final Optional<Edge> lastEdge); |
| |
| } |