/*
*
* * 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
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* * 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.GraphManager;
import org.apache.usergrid.persistence.model.entity.Id;
import rx.Observable;
/**
* Emits the id of all nodes that are target nodes from the given source node
*/
public interface TargetIdObservable {
/**
* Get all nodes that are target nodes from the sourceNode
* @param gm
* @param sourceNode
*
* @return
*/
Observable<Id> getTargetNodes(GraphManager gm, Id sourceNode);
}