| /* |
| * |
| * * Licensed to the Apache Software Foundation (ASF) under one or more |
| * * contributor license agreements. 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. For additional information regarding |
| * * copyright in this work, please see the NOTICE file in the top level |
| * * directory of this distribution. |
| * |
| */ |
| package org.apache.usergrid.persistence.graph.serialization; |
| |
| import org.apache.usergrid.persistence.graph.Edge; |
| import org.apache.usergrid.persistence.graph.GraphManager; |
| import org.apache.usergrid.persistence.model.entity.Id; |
| |
| import com.google.common.base.Optional; |
| |
| import rx.Observable; |
| |
| /** |
| * Get all edges from source |
| */ |
| public interface EdgesObservable { |
| |
| /** |
| * Return an observable of all edges from a source |
| * @param gm |
| * @param sourceNode |
| * @param filterMarked |
| * @return |
| */ |
| Observable<Edge> edgesFromSourceDescending(final GraphManager gm, final Id sourceNode, boolean filterMarked); |
| |
| |
| /** |
| * Get all edges from the source node with the target type |
| * @param gm |
| * @param sourceNode |
| * @param targetType |
| * @return |
| */ |
| Observable<Edge> getEdgesFromSource(final GraphManager gm, final Id sourceNode, final String targetType ); |
| |
| /** |
| * Return an observable of all edges to a target |
| * @param gm |
| * @param targetNode |
| * @param filterMarked |
| * @return |
| */ |
| Observable<Edge> edgesToTarget(final GraphManager gm, final Id targetNode, boolean filterMarked); |
| |
| /** |
| * Return an observable of all edges from a source node. Ordered ascending, from the startTimestamp if specified |
| * @param gm |
| * @param sourceNode |
| * @param edgeType The edge type if specified. Otherwise all types will be used |
| * @param resume The edge to start seeking after. Otherwise starts at the most recent |
| * @return |
| */ |
| Observable<Edge> edgesFromSourceDescending( final GraphManager gm, final Id sourceNode, |
| final Optional<String> edgeType, final Optional<Edge> resume ); |
| } |