Java Vertex.getProperty方法代碼示例

import com.tinkerpop.blueprints.Vertex; //導入方法依賴的package包/類
public User getUser( String id ) {
	Graph graph = (Graph) connection.get();
	logger.debug("getUser: " + id );
	
	try {
		Vertex v = graph.getVertex( id );
		
		if( v == null ) {
			throw new UserNotFoundException( id );
		}

		User user = new User( v.getId().toString(),
							  v.getProperty( GremlinDAOSpec.USER_PROPERTY_EMAIL ),
							  v.getProperty( GremlinDAOSpec.USER_PROPERTY_FIRST_NAME ).toString(),
							  v.getProperty( GremlinDAOSpec.USER_PROPERTY_LAST_NAME ).toString() 
							);
		return user;
	}
	finally {
		graph.shutdown();
	}
}
 

import com.tinkerpop.blueprints.Vertex; //導入方法依賴的package包/類
@Override
public List<User> getAllUsers() {
	List<User> users = new ArrayList<User>();
	Graph graph = (Graph) connection.get();
	logger.debug("getAllUsers" );
	
	try {
		Iterable<Vertex> iterable = graph.getVertices( GremlinDAOSpec.UNIVERSAL_PROPERTY_TYPE, GremlinDAOSpec.USER_CLASS );
		Iterator<Vertex> it = iterable.iterator();
		
		while( it.hasNext() ) {
			Vertex v = it.next();
			User user = new User( v.getId().toString(),
								  v.getProperty( GremlinDAOSpec.USER_PROPERTY_EMAIL ),
								  v.getProperty( GremlinDAOSpec.USER_PROPERTY_FIRST_NAME ).toString(),
								  v.getProperty( GremlinDAOSpec.USER_PROPERTY_LAST_NAME ).toString() 
								);
			users.add(user);
		}

		return users;
	}
	finally {
		graph.shutdown();
	}
}
 

import com.tinkerpop.blueprints.Vertex; //導入方法依賴的package包/類
/**
 * Return the mesh root vertex.
 * 
 * @return
 */
public static Vertex getMeshRootVertex(TransactionalGraph graph) {
	Iterator<Vertex> it = graph.getVertices("@class", MESH_ROOT_TYPE).iterator();
	if (it.hasNext()) {
		return it.next();
	} else {
		Iterator<Vertex> itLegacy = graph.getVertices(PolymorphicTypeResolver.TYPE_RESOLUTION_KEY, MESH_ROOT_LEGACY_TYPE).iterator();
		if (itLegacy.hasNext()) {
			return itLegacy.next();
		} else {
			// Legacy index less handling
			for (Vertex vertex : graph.getVertices()) {
				String fermaType = vertex.getProperty("ferma_type");
				if (fermaType != null && fermaType.endsWith(MESH_ROOT_TYPE)) {
					return vertex;
				}
			}
			return null;
		}
	}
}
 

import com.tinkerpop.blueprints.Vertex; //導入方法依賴的package包/類
private void updateProperty(String propertyName, Vertex node) {
	Object obj = node.getProperty(propertyName);
	if (obj == null) {
		return;
	}
	if (!(obj instanceof String)) {
		if (log.isDebugEnabled()) {
			log.debug("Property '{}' for node '{}' in database is no string so we don't convert it. {}: '{}'", propertyName, node.getProperty(UUID), obj.getClass(), obj);
		}
		return;
	}
	String strVal = (String) obj;
	Number numVal;
	try {
		numVal = format.parse(strVal);
	} catch (ParseException e) {
		log.warn("Could not parse the number '{}', for field '{}' in node {}", strVal, propertyName, node.getId());
		numVal = 0;
	}
	node.removeProperty(propertyName);
	node.setProperty(propertyName, numVal);
}
 

import com.tinkerpop.blueprints.Vertex; //導入方法依賴的package包/類
@Override
public void apply() {
	Vertex meshRoot = getMeshRootVertex();
	Vertex microschemaRoot = meshRoot.getVertices(OUT, "HAS_MICROSCHEMA_ROOT").iterator().next();
	Iterator<Vertex> microschemaIt = microschemaRoot.getVertices(OUT, "HAS_SCHEMA_CONTAINER_ITEM").iterator();
	while (microschemaIt.hasNext()) {
		Vertex microschemaVertex = microschemaIt.next();
		Iterator<Vertex> versionIt = microschemaVertex.getVertices(OUT, "HAS_PARENT_CONTAINER").iterator();
		while (versionIt.hasNext()) {
			Vertex microschemaVersion = versionIt.next();

			String json = microschemaVersion.getProperty("json");
			JsonObject schema = new JsonObject(json);
			schema.remove("editor");
			schema.remove("edited");
			schema.remove("creator");
			schema.remove("created");
			schema.remove("rolePerms");
			schema.remove("permissions");
			microschemaVersion.setProperty("json", schema.toString());
		}
	}

}
 

import com.tinkerpop.blueprints.Vertex; //導入方法依賴的package包/類
/**
 * Tags no longer have a TagGraphFieldContainerImpl. The value is now stored directly in the tag vertex.
 * 
 * @param meshRoot
 */
private void migrateTags(Vertex meshRoot) {
	Vertex tagRoot = meshRoot.getVertices(Direction.OUT, "HAS_TAG_ROOT").iterator().next();
	for (Vertex tag : tagRoot.getVertices(Direction.OUT, "HAS_TAG")) {
		Iterator<Vertex> tagFieldIterator = tag.getVertices(Direction.OUT, "HAS_FIELD_CONTAINER").iterator();
		Vertex tagFieldContainer = tagFieldIterator.next();
		if (tagFieldIterator.hasNext()) {
			fail("The tag with uuid {" + tag.getProperty("uuid") + "} got more then one field container.");
		}
		// Load the tag value from the field container and store it directly into the tag. Remove the now no longer needed field container from the graph.
		String tagValue = tagFieldContainer.getProperty("name");
		tag.setProperty("tagValue", tagValue);
		tagFieldContainer.remove();

		// Check editor /creator
		getOrFixUserReference(tag, "HAS_EDITOR");
		getOrFixUserReference(tag, "HAS_CREATOR");
	}
}
 

import com.tinkerpop.blueprints.Vertex; //導入方法依賴的package包/類
@Override
public void apply() {
	Vertex meshRoot = getMeshRootVertex();
	Vertex schemaRoot = meshRoot.getVertices(OUT, "HAS_ROOT_SCHEMA").iterator().next();
	Iterator<Vertex> schemaIt = schemaRoot.getVertices(OUT, "HAS_SCHEMA_CONTAINER_ITEM").iterator();
	while (schemaIt.hasNext()) {
		Vertex schemaVertex = schemaIt.next();
		Iterator<Vertex> versionIt = schemaVertex.getVertices(OUT, "HAS_PARENT_CONTAINER").iterator();
		while (versionIt.hasNext()) {
			Vertex schemaVersion = versionIt.next();

			String json = schemaVersion.getProperty("json");
			JsonObject schema = new JsonObject(json);
			schema.remove("editor");
			schema.remove("edited");
			schema.remove("creator");
			schema.remove("created");
			schema.remove("rolePerms");
			schema.remove("permissions");
			schemaVersion.setProperty("json", schema.toString());
		}
	}

}
 

import com.tinkerpop.blueprints.Vertex; //導入方法依賴的package包/類
private void updateMicroschemas(Vertex meshRoot) {
	Vertex microschemaRoot = meshRoot.getVertices(OUT, "HAS_MICROSCHEMA_ROOT").iterator().next();
	Iterator<Vertex> microschemaIt = microschemaRoot.getVertices(OUT, "HAS_SCHEMA_CONTAINER_ITEM").iterator();
	while (microschemaIt.hasNext()) {
		Vertex microschemaVertex = microschemaIt.next();
		Iterator<Vertex> versionIt = microschemaVertex.getVertices(OUT, "HAS_PARENT_CONTAINER").iterator();
		while (versionIt.hasNext()) {
			Vertex schemaVersion = versionIt.next();

			// Update the version within the vertex
			int vertexVersion = schemaVersion.getProperty("version");
			schemaVersion.removeProperty("version");
			schemaVersion.setProperty("version", String.valueOf(vertexVersion) + ".0");

			// Update the version within the json
			String json = schemaVersion.getProperty("json");
			JsonObject schema = new JsonObject(json);
			int version = schema.getInteger("version");
			schema.remove("version");
			schema.put("version", String.valueOf(version) + ".0");
			schemaVersion.setProperty("json", schema.toString());
		}
	}
}
 

import com.tinkerpop.blueprints.Vertex; //導入方法依賴的package包/類
private void migrateContainer(Vertex container) {

		boolean isPublished = false;
		Iterable<Edge> edges = container.getEdges(Direction.IN, "HAS_FIELD_CONTAINER");

		// Check whether the container is published
		for (Edge edge : edges) {
			String type = edge.getProperty("edgeType");
			if ("P".equals(type)) {
				isPublished = true;
			}
		}

		// The container is not published anywhere. Remove the bogus publish webroot info which otherwise causes publish webroot conflicts with new versions.
		if (!isPublished) {
			if (container.getProperty(WEBROOT_PUB) != null) {
				log.info("Found inconsistency on container {" + container.getProperty("uuid") + "}");
				container.removeProperty(WEBROOT_PUB);
				log.info("Inconsistency fixed");
			}
		}
	}
 

import com.tinkerpop.blueprints.Vertex; //導入方法依賴的package包/類
@Override
public UserSecurity getUserAuthentication( String id ) throws UserNotFoundException {
	Graph graph = (Graph) connection.get();
	logger.debug("getUserAuthentication: " + id );
	
	try {
		Vertex v = graph.getVertex( id );
		
		if( v == null ) throw new UserNotFoundException( id );
		
		Object oEmail = v.getProperty( GremlinDAOSpec.USER_PROPERTY_EMAIL );
		Object oPassword = v.getProperty( GremlinDAOSpec.USER_PROPERTY_PASSWORD );
		Object oToken = v.getProperty( GremlinDAOSpec.USER_PROPERTY_TOKEN );
		Object oRole = v.getProperty( GremlinDAOSpec.USER_PROPERTY_ROLE );
		
		String email = null;
		String password = null;
		String token = null;
		String role = null;
		
		if( oEmail != null )
			email = oEmail.toString();
		if( oPassword != null )
			password = oPassword.toString();
		if( oToken != null )
			token = oToken.toString();
		if( oRole != null )
			role = oRole.toString();
		
		UserSecurity user = new UserSecurity( email, password, token, role );
		
		return user;
	}
	finally {
		graph.shutdown();
	}
}
 

import com.tinkerpop.blueprints.Vertex; //導入方法依賴的package包/類
/**
 * We currently can't specify the uuid during element creation. Thus we need to update it afterwards.
 */
private void updateUuids() {
	try (Tx tx = db.tx()) {
		for (Vertex v : tx.getGraph().getVertices()) {
			String uuid = v.getProperty("uuid");
			String mapping = uuidMapping.get(uuid);
			if (mapping != null) {
				v.setProperty("uuid", mapping);
				uuidMapping.remove(mapping);
			}
		}
		tx.success();
	}
}
 

import com.tinkerpop.blueprints.Vertex; //導入方法依賴的package包/類
private Vertex findBinary(String hash, Vertex binaryRoot) {
	for (Vertex binary : binaryRoot.getVertices(OUT, "HAS_BINARY")) {
		String foundHash = binary.getProperty(NEW_HASH_KEY);
		if (foundHash.equals(hash)) {
			return binary;
		}
	}
	return null;
}
 

import com.tinkerpop.blueprints.Vertex; //導入方法依賴的package包/類
private void updateLists(Vertex container, Map<String, JsonObject> fieldMap) {
	for (Vertex listElement: container.getVertices(Direction.OUT, HAS_LIST)) {
		String fieldName = listElement.getProperty(FIELD_KEY);
		if (fieldMap.containsKey(fieldName) && NUMBER_TYPE.equals(fieldMap.get(fieldName).getString(FIELD_LIST_TYPE_KEY))) {
			listElement.getPropertyKeys().stream()
					.filter(k -> k.startsWith(ITEM_PREFIX))
					.forEach(k -> updateProperty(k, listElement));
		}
	}
}
 

import com.tinkerpop.blueprints.Vertex; //導入方法依賴的package包/類
private void migrateNode(Vertex node) {

		// Extract and remove the published flag from the node
		String publishFlag = node.getProperty("published");
		node.removeProperty("published");

		// Set the published flag to all node graph field containers
		Iterable<Vertex> containers = node.getVertices(Direction.OUT, "HAS_FIELD_CONTAINER");
		for (Vertex container : containers) {
			if (publishFlag != null) {
				container.setProperty("published", publishFlag);
			}
		}
		log.info("Migrated node {" + node.getProperty("uuid") + "}");
	}
 

import com.tinkerpop.blueprints.Vertex; //導入方法依賴的package包/類
private void fixName(Vertex schemaVertex) {
	String name = schemaVertex.getProperty("name");
	if (!isEmpty(name)) {
		name = name.replaceAll("-", "_");
		schemaVertex.setProperty("name", name);
	}
}