/*
* Copyright (c) 2002-2017 "Neo Technology,"
* Network Engine for Objects in Lund AB [http://neotechnology.com]
*
* This file is part of Neo4j.
*
* 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.
*/
package org.neo4j.driver.v1.types;
/**
* The <strong>Relationship</strong> interface describes the characteristics of a relationship from a Neo4j graph.
* @since 1.0
*/
public interface Relationship extends Entity
{
/**
* Id of the node where this relationship starts.
* @return the node id
*/
long startNodeId();
/**
* Id of the node where this relationship ends.
* @return the node id
*/
long endNodeId();
/**
* Return the <em>type</em> of this relationship.
*
* @return the type name
*/
String type();
/**
* Test if this relationship has the given type
*
* @param relationshipType the give relationship type
* @return <tt>true</tt> if this relationship has the given relationship type otherwise <tt>false</tt>
*/
boolean hasType( String relationshipType );
}