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Java Path类代码示例

本文整理汇总了Java中org.neo4j.graphdb.Path的典型用法代码示例。如果您正苦于以下问题:Java Path类的具体用法?Java Path怎么用?Java Path使用的例子?那么, 这里精选的类代码示例或许可以为您提供帮助。


Path类属于org.neo4j.graphdb包,在下文中一共展示了Path类的15个代码示例,这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞,您的评价将有助于系统推荐出更棒的Java代码示例。

示例1: validates_supported_simple_types

import org.neo4j.graphdb.Path; //导入依赖的package包/类
@Test
public void validates_supported_simple_types()
{
    assertThat( visitor().visit( typeMirrorTestUtils().typeOf( String.class ) ) ).isTrue();
    assertThat( visitor().visit( typeMirrorTestUtils().typeOf( Number.class ) ) ).isTrue();
    assertThat( visitor().visit( typeMirrorTestUtils().typeOf( Long.class ) ) ).isTrue();
    assertThat( visitor().visit( typeMirrorTestUtils().typeOf( TypeKind.LONG ) ) ).isTrue();
    assertThat( visitor().visit( typeMirrorTestUtils().typeOf( Double.class ) ) ).isTrue();
    assertThat( visitor().visit( typeMirrorTestUtils().typeOf( TypeKind.DOUBLE ) ) ).isTrue();
    assertThat( visitor().visit( typeMirrorTestUtils().typeOf( Boolean.class ) ) ).isTrue();
    assertThat( visitor().visit( typeMirrorTestUtils().typeOf( TypeKind.BOOLEAN ) ) ).isTrue();
    assertThat( visitor().visit( typeMirrorTestUtils().typeOf( Path.class ) ) ).isTrue();
    assertThat( visitor().visit( typeMirrorTestUtils().typeOf( Node.class ) ) ).isTrue();
    assertThat( visitor().visit( typeMirrorTestUtils().typeOf( Relationship.class ) ) ).isTrue();
    assertThat( visitor().visit( typeMirrorTestUtils().typeOf( Object.class ) ) ).isTrue();
}
 
开发者ID:fbiville,项目名称:neo4j-sproc-compiler,代码行数:17,代码来源:TypeValidationTestSuite.java

示例2: validates_supported_generic_types

import org.neo4j.graphdb.Path; //导入依赖的package包/类
@Test
public void validates_supported_generic_types()
{
    assertThat( visitor().visit( typeMirrorTestUtils().typeOf( Map.class, String.class, Object.class ) ) ).isTrue();
    assertThat( visitor().visit( typeMirrorTestUtils().typeOf( HashMap.class, String.class, Object.class ) ) )
            .isTrue();
    assertThat( visitor().visit( typeMirrorTestUtils().typeOf( LinkedHashMap.class, String.class, Object.class ) ) )
            .isTrue();
    assertThat( visitor().visit( typeMirrorTestUtils().typeOf( List.class, String.class ) ) ).isTrue();
    assertThat( visitor().visit( typeMirrorTestUtils().typeOf( LinkedList.class, Number.class ) ) ).isTrue();
    assertThat( visitor().visit( typeMirrorTestUtils().typeOf( ArrayList.class, Long.class ) ) ).isTrue();
    assertThat( visitor().visit( typeMirrorTestUtils().typeOf( List.class, Double.class ) ) ).isTrue();
    assertThat( visitor().visit( typeMirrorTestUtils().typeOf( List.class, Boolean.class ) ) ).isTrue();
    assertThat( visitor().visit( typeMirrorTestUtils().typeOf( List.class, Path.class ) ) ).isTrue();
    assertThat( visitor().visit( typeMirrorTestUtils().typeOf( List.class, Node.class ) ) ).isTrue();
    assertThat( visitor().visit( typeMirrorTestUtils().typeOf( List.class, Relationship.class ) ) ).isTrue();
    assertThat( visitor().visit( typeMirrorTestUtils().typeOf( List.class, Object.class ) ) ).isTrue();
    assertThat( visitor().visit( typeMirrorTestUtils()
            .typeOf( List.class, typeMirrorTestUtils().typeOf( Map.class, String.class, Object.class ) ) ) )
            .isTrue();
    assertThat( visitor().visit( typeMirrorTestUtils()
            .typeOf( List.class, typeMirrorTestUtils().typeOf( LinkedList.class, Long.class ) ) ) ).isTrue();
}
 
开发者ID:fbiville,项目名称:neo4j-sproc-compiler,代码行数:24,代码来源:TypeValidationTestSuite.java

示例3: supported_simple_type_is_valid

import org.neo4j.graphdb.Path; //导入依赖的package包/类
@Test
public void supported_simple_type_is_valid()
{
    assertThat( validator.test( typeMirrorTestUtils.typeOf( BOOLEAN ) ) ).isTrue();
    assertThat( validator.test( typeMirrorTestUtils.typeOf( LONG ) ) ).isTrue();
    assertThat( validator.test( typeMirrorTestUtils.typeOf( DOUBLE ) ) ).isTrue();
    assertThat( validator.test( typeMirrorTestUtils.typeOf( Boolean.class ) ) ).isTrue();
    assertThat( validator.test( typeMirrorTestUtils.typeOf( Long.class ) ) ).isTrue();
    assertThat( validator.test( typeMirrorTestUtils.typeOf( Double.class ) ) ).isTrue();
    assertThat( validator.test( typeMirrorTestUtils.typeOf( String.class ) ) ).isTrue();
    assertThat( validator.test( typeMirrorTestUtils.typeOf( Number.class ) ) ).isTrue();
    assertThat( validator.test( typeMirrorTestUtils.typeOf( Object.class ) ) ).isTrue();
    assertThat( validator.test( typeMirrorTestUtils.typeOf( Node.class ) ) ).isTrue();
    assertThat( validator.test( typeMirrorTestUtils.typeOf( Relationship.class ) ) ).isTrue();
    assertThat( validator.test( typeMirrorTestUtils.typeOf( Path.class ) ) ).isTrue();
}
 
开发者ID:fbiville,项目名称:neo4j-sproc-compiler,代码行数:17,代码来源:AllowedTypesValidatorTest.java

示例4: getHypernyms

import org.neo4j.graphdb.Path; //导入依赖的package包/类
public static List<String> getHypernyms(String cui){
  List<String> hypers = new ArrayList<>();
  
  try ( Transaction tx = graphDb.beginTx() ){
    TraversalDescription td = graphDb.traversalDescription()
        .breadthFirst()
        .relationships(RelReader.RelTypes.ISA, Direction.OUTGOING)
        .evaluator(Evaluators.excludeStartPosition());

    Node cuiNode = graphDb.findNode(RelReader.DictLabels.Concept, RelReader.CUI_PROPERTY, cui);
    if(cuiNode == null) return hypers;
    
    Traverser traverser = td.traverse(cuiNode);
    for(Path path : traverser){
      hypers.add(path.endNode().getProperty(RelReader.CUI_PROPERTY).toString());
    }
    tx.success();
  }
  return hypers;
}
 
开发者ID:tmills,项目名称:umls-graph-api,代码行数:21,代码来源:GraphFunctions.java

示例5: getHyponyms

import org.neo4j.graphdb.Path; //导入依赖的package包/类
public static List<String> getHyponyms(String cui){
  List<String> hypos = new ArrayList<>();
  
  try ( Transaction tx = graphDb.beginTx() ){
    TraversalDescription td = graphDb.traversalDescription()
        .breadthFirst()
        .relationships(RelReader.RelTypes.ISA, Direction.INCOMING)
        .evaluator(Evaluators.excludeStartPosition());

    Node cuiNode = graphDb.findNode(RelReader.DictLabels.Concept, RelReader.CUI_PROPERTY, cui);
    if(cuiNode == null) return hypos;
    
    Traverser traverser = td.traverse(cuiNode);
    for(Path path : traverser){
      hypos.add(path.endNode().getProperty(RelReader.CUI_PROPERTY).toString());
    }
    tx.success();
  }
  return hypos;    
}
 
开发者ID:tmills,项目名称:umls-graph-api,代码行数:21,代码来源:GraphFunctions.java

示例6: minDistance

import org.neo4j.graphdb.Path; //导入依赖的package包/类
public static int minDistance(String cui1, String cui2){
  int distance = -1;
  try ( Transaction tx = graphDb.beginTx() ){
    Node cui1Node = graphDb.findNode(RelReader.DictLabels.Concept, RelReader.CUI_PROPERTY, cui1);
    Node cui2Node = graphDb.findNode(RelReader.DictLabels.Concept, RelReader.CUI_PROPERTY, cui2);
    if(cui1Node == null || cui2Node == null) return distance;
    
    TraversalDescription td = graphDb.traversalDescription()
        .breadthFirst()
        .relationships(RelReader.RelTypes.ISA, Direction.OUTGOING)
        .evaluator(Evaluators.excludeStartPosition())
        .evaluator(Evaluators.includeWhereEndNodeIs(cui2Node));

    Traverser traverser = td.traverse(cui1Node);
    for(Path path : traverser){
      int len = path.length();
      if(distance == -1 || len < distance){
        distance = len;
      }
    }
    tx.success();
  }
  return distance;
}
 
开发者ID:tmills,项目名称:umls-graph-api,代码行数:25,代码来源:GraphFunctions.java

示例7: testRelReader

import org.neo4j.graphdb.Path; //导入依赖的package包/类
@Test
public void testRelReader() throws IOException{
  
  RelReader reader = new RelReader(neo4jLocation);
  reader.batchBuildGraph(new File("my_test_umls/"), "CtakesAllTuis.txt", "SNOMEDCT_US");
  GraphDatabaseService db = new GraphDatabaseFactory().newEmbeddedDatabase(new File(neo4jLocation));
  
  try ( Transaction tx = db.beginTx() ){
    TraversalDescription td = db.traversalDescription()
        .breadthFirst()
        .relationships(RelReader.RelTypes.ISA, Direction.INCOMING)
        .evaluator(Evaluators.excludeStartPosition());

    Node cuiNode = db.findNode(RelReader.DictLabels.Concept, RelReader.CUI_PROPERTY, "C0007102");
    Assert.assertNotNull(cuiNode);
    Traverser traverser = td.traverse(cuiNode);
    for(Path path : traverser){
      System.out.println("At depth " + path.length() + " => " + path.endNode().getProperty("cui"));
    }
  }
  db.shutdown();
}
 
开发者ID:tmills,项目名称:umls-graph-api,代码行数:23,代码来源:TestRelReader.java

示例8: traverse

import org.neo4j.graphdb.Path; //导入依赖的package包/类
public void traverse() {
	if (null != graph && null != root) {
		try (Transaction tx = graph.beginTx()) {
			PathFinder<Path> finder = GraphAlgoFactory.allPaths(
					PathExpanders.forTypesAndDirections(RelTypes.CHILD_HI, Direction.OUTGOING, RelTypes.CHILD_LO, Direction.OUTGOING), 5);
			// 5 is the number of original relationships + 1
			Iterable<Path> paths = finder.findAllPaths(root, one);
			double total = 0.0;
			for (Path path : paths) {
				double current = 1.0;
				for (Relationship relationship : path.relationships()) {
					current *= (double) relationship.getProperty(PROB, 1.0);
				}
				total += current;
			}
			System.out.format("The probability is %.2f.\n", total);
			tx.success();
		}
	}
}
 
开发者ID:stefano-bragaglia,项目名称:NeoDD,代码行数:21,代码来源:Propoli.java

示例9: stamp

import org.neo4j.graphdb.Path; //导入依赖的package包/类
public void stamp() {
	if (null != graph && null != root) {
		try (Transaction tx = graph.beginTx()) {
			PathFinder<Path> finder = GraphAlgoFactory.allPaths(
					PathExpanders.forTypesAndDirections(RelTypes.CHILD_HI, Direction.OUTGOING, RelTypes.CHILD_LO, Direction.OUTGOING), 5);
			// 5 is the number of original relationships + 1
			Iterable<Path> paths = finder.findAllPaths(root, one);
			for (Path path : paths) {
				boolean first = true;
				for (Relationship relationship : path.relationships()) {
					if (first) {
						System.out.format("(%s)", relationship.getStartNode().getProperty(ID));
						first = false;
					}

					System.out.format(" --[%s,%.2f]-> ", relationship.getType().name(), relationship.getProperty(PROB, 1.0));
					System.out.format("(%s)", relationship.getEndNode().getProperty(ID));
				}
				System.out.println();
			}
			tx.success();
		}
	}
}
 
开发者ID:stefano-bragaglia,项目名称:NeoDD,代码行数:25,代码来源:Propoli.java

示例10: analyseDb

import org.neo4j.graphdb.Path; //导入依赖的package包/类
private void analyseDb() {
	Transaction tx = graphDb.beginTx();
	try {
		PathFinder<Path> finder = GraphAlgoFactory.allPaths(//
				PathExpanders.forTypeAndDirection(RelTypes.KNOWS, Direction.BOTH), -1);
		Iterable<Path> paths = finder.findAllPaths(firstNode, secondNode);
		for (Path path : paths) {
			for (Node node : path.nodes()) {
				for (String prop : node.getPropertyKeys())
					System.out.print(prop);
				System.out.print(node.toString());
			}

			for (Relationship relationship : path.relationships())
				System.out.print(relationship.toString());
		}
		tx.success();
	} finally {
		tx.finish();
	}
}
 
开发者ID:stefano-bragaglia,项目名称:NeoDD,代码行数:22,代码来源:Application.java

示例11: printNeoFriends

import org.neo4j.graphdb.Path; //导入依赖的package包/类
public String printNeoFriends() {
	try (Transaction tx = graphDb.beginTx()) {
		Node neoNode = getNeoNode();
		// START SNIPPET: friends-usage
		int numberOfFriends = 0;
		String output = neoNode.getProperty("name") + "'s friends:\n";
		Traverser friendsTraverser = getFriends(neoNode);
		for (Path friendPath : friendsTraverser) {
			output += "At depth " + friendPath.length() + " => " + friendPath.endNode().getProperty("name") + "\n";
			numberOfFriends++;
		}
		output += "Number of friends found: " + numberOfFriends + "\n";
		// END SNIPPET: friends-usage
		return output;
	}
}
 
开发者ID:stefano-bragaglia,项目名称:NeoDD,代码行数:17,代码来源:Quel.java

示例12: traverse

import org.neo4j.graphdb.Path; //导入依赖的package包/类
public double traverse() {
	if (null != root && value < 0.0) {
		try (Transaction ignore = graph.beginTx()) {
			value = 0.0;
			PathFinder<Path> finder = GraphAlgoFactory.allPaths(
					PathExpanders.forTypesAndDirections(RelType.LO_CHILD, Direction.OUTGOING, RelType.HI_CHILD, Direction.OUTGOING), max);
			Iterable<Path> paths = finder.findAllPaths(root, one);
			for (Path path : paths) {
				double current = 1.0;
				for (Relationship relationship : path.relationships()) {
					current *= (double) relationship.getProperty(PROB, 1.0);
				}
				value += current;
			}
		}
	}
	return value;
}
 
开发者ID:stefano-bragaglia,项目名称:NeoDD,代码行数:19,代码来源:BDD.java

示例13: evaluate

import org.neo4j.graphdb.Path; //导入依赖的package包/类
/**
 * Evaluates a node and determines whether to include and / or continue.
 * Continues on and returns exactly those nodes that:
 * <ul>
 *   <li>haven't been visited yet and</li>
 *   <li>are the start node
 *   <ul>
 *     <li>have a sequence &lt; threshold (and thus belong to the same cluster)</li>
 *   </ul>
 * </ul>
 */
@Override
public Evaluation evaluate(Path path) {
	Node end = path.endNode();
	int score = is.compute(new Neo4jScoreContainer(end));
	end.setProperty(SequenceProperties.INTERESTINGNESS.name(), score);
	String id = (String) end.getProperty(ID.name());

	if (!visited.contains(id)
			&& (path.startNode().getId() == path.endNode().getId()
			|| score < threshold)) {
		visited.add(id);
		return Evaluation.INCLUDE_AND_CONTINUE;
	}
	return Evaluation.EXCLUDE_AND_PRUNE;
}
 
开发者ID:ProgrammingLife2015,项目名称:dnainator,代码行数:27,代码来源:ClusterEvaluator.java

示例14: call

import org.neo4j.graphdb.Path; //导入依赖的package包/类
@Override
public Map<String, Set<Long>> call() throws Exception {
  logger.info("Processsing " + category);
  Map<String, Set<Long>> map = new HashMap<String, Set<Long>>();
  Set<Long> nodeSet = new HashSet<Long>();
  Transaction tx = graphDb.beginTx();
  try {
    for (Path position : graphDb.traversalDescription().uniqueness(Uniqueness.NODE_GLOBAL).depthFirst()
        .relationships(OwlRelationships.RDFS_SUBCLASS_OF, Direction.INCOMING).relationships(OwlRelationships.RDF_TYPE, Direction.INCOMING)
        .relationships(OwlRelationships.OWL_EQUIVALENT_CLASS, Direction.BOTH).relationships(OwlRelationships.OWL_SAME_AS, Direction.BOTH)
        .traverse(root)) {
      Node end = position.endNode();
      nodeSet.add(end.getId());
    }
    logger.info("Discovered " + nodeSet.size() + " nodes for " + category);
    map.put(category, nodeSet);
  } catch (Exception e) {
    logger.warning("IRI not found for category: " + category);
  } finally {
    tx.success();
    tx.close();
  }
  return map;
}
 
开发者ID:SciGraph,项目名称:SciGraph,代码行数:25,代码来源:CategoryProcessor.java

示例15: getEdges

import org.neo4j.graphdb.Path; //导入依赖的package包/类
public Graph getEdges(RelationshipType type, boolean entail, long skip, long limit) {
  String query = "MATCH path = (start)-[r:" + type.name() + (entail ? "!" : "") + "]->(end) "
      + " RETURN path "
      // TODO: This slows down the query dramatically.
      // + " ORDER BY ID(r) "
      + " SKIP " + skip + " LIMIT " + limit;
  Graph graph = new TinkerGraph();
  TinkerGraphUtil tgu = new TinkerGraphUtil(graph, curieUtil);
  Result result;
  try {
    result = cypherUtil.execute(query);
    while (result.hasNext()) {
      Map<String, Object> map = result.next();
      Path path = (Path) map.get("path");
      tgu.addPath(path);
    }
  } catch (ArrayIndexOutOfBoundsException e) {
    // Return and empty graph if the limit is too high...
  }
  return graph;
}
 
开发者ID:SciGraph,项目名称:SciGraph,代码行数:22,代码来源:GraphApi.java


注:本文中的org.neo4j.graphdb.Path类示例由纯净天空整理自Github/MSDocs等开源代码及文档管理平台,相关代码片段筛选自各路编程大神贡献的开源项目,源码版权归原作者所有,传播和使用请参考对应项目的License;未经允许,请勿转载。