diff options
| author |   michaere <michaere@amdocs.com> | 2018-06-27 09:51:34 +0100 |
|---|---|---|
| committer | michaere <michaere@amdocs.com> | 2018-06-27 09:51:34 +0100 |
| commit | d10a218c76633374f083f7a2802c198e93a6abae (patch) | |
| tree | 7c68c359600270f4f6eb1290bd34093c386d5d23 /src/main/java/org/onap/crud/parser/util/EdgePayloadUtil.java | |
| parent | 68cd3355674d66f8feee3d067960c081581a3911 (diff) | |
Apply multiplicity Rule upon Edge creation
Uses multiplicity type from dbedge rules json to validate whether to and
from vertices meet the multiplicity constraint e.g. ONE2MANY.
This validation is applied when creating or updating an edge.
Issue-ID: AAI-1197
Change-Id: Id6e78635c5cbea66d8a35e6901b7e1b673125e4e
Signed-off-by: michaere <michaere@amdocs.com>
Diffstat (limited to 'src/main/java/org/onap/crud/parser/util/EdgePayloadUtil.java')
| -rw-r--r-- | src/main/java/org/onap/crud/parser/util/EdgePayloadUtil.java | 145 |
1 files changed, 145 insertions, 0 deletions
diff --git a/src/main/java/org/onap/crud/parser/util/EdgePayloadUtil.java b/src/main/java/org/onap/crud/parser/util/EdgePayloadUtil.java new file mode 100644 index 0000000..0f72625 --- /dev/null +++ b/src/main/java/org/onap/crud/parser/util/EdgePayloadUtil.java @@ -0,0 +1,145 @@ +/**
+ * ============LICENSE_START=======================================================
+ * org.onap.aai
+ * ================================================================================
+ * Copyright © 2017-2018 AT&T Intellectual Property. All rights reserved.
+ * Copyright © 2017-2018 Amdocs
+ * ================================================================================
+ * 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.
+ * ============LICENSE_END=========================================================
+ */
+package org.onap.crud.parser.util;
+
+import java.util.ArrayList;
+import java.util.List;
+import java.util.regex.Matcher;
+import java.util.regex.Pattern;
+import javax.ws.rs.core.Response.Status;
+import org.onap.crud.entity.Edge;
+import org.onap.crud.entity.Vertex;
+import org.onap.crud.exception.CrudException;
+
+/**
+ * Utility Class to extract data from the Edge Payload
+ */
+public class EdgePayloadUtil {
+
+ private static final Pattern URL_MATCHER = Pattern.compile("services/inventory/(.*)/(.*)/(.*)");
+
+ private static Matcher getVertexMatcher(String vertex) throws CrudException {
+ Matcher matcher = URL_MATCHER.matcher(vertex);
+ if (!matcher.matches()) {
+ throw new CrudException("Invalid Source/Target Urls", Status.BAD_REQUEST);
+ }
+ return matcher;
+ }
+
+ /**
+ * Returns the node type from a vertex on the edge payload
+ *
+ * @param vertex
+ * @return
+ * @throws CrudException
+ */
+ public static String getVertexNodeType(String vertex) throws CrudException {
+ return getVertexMatcher(vertex).group(2);
+ }
+
+ /**
+ * Returns the node id from a vertex on the edge payload
+ *
+ * @param vertex
+ * @return
+ * @throws CrudException
+ */
+ public static String getVertexNodeId(String vertex) throws CrudException {
+ return getVertexMatcher(vertex).group(3);
+ }
+
+ /**
+ * Generates a key based on the edge payload content
+ *
+ * @param source
+ * @param target
+ * @param type
+ * @return
+ * @throws CrudException
+ */
+ public static String generateEdgeKey(String source, String target, String type) throws CrudException {
+ return getVertexNodeType(source) + ":" + getVertexNodeType(target) + ":" + type;
+ }
+
+ /**
+ * Returns an Edge Builder object from the payload properties
+ *
+ * @param source
+ * @param target
+ * @param type
+ * @return
+ * @throws CrudException
+ */
+ public static Edge.Builder getBuilderFromEdgePayload(String source, String target, String type) throws CrudException {
+ Edge.Builder edgeBuilder = new Edge.Builder(type);
+
+ edgeBuilder.source(new Vertex.Builder(getVertexNodeType(source)).id(getVertexNodeId(source)).build());
+ edgeBuilder.target(new Vertex.Builder(getVertexNodeType(target)).id(getVertexNodeId(target)).build());
+
+ return edgeBuilder;
+ }
+
+ /**
+ * Returns an Edge Builder object from an Edge object properties
+ *
+ * @param edge
+ * @return
+ */
+ public static Edge.Builder getBuilderFromEdge(Edge edge) {
+ Edge.Builder edgeBuilder = new Edge.Builder(edge.getType()).id(edge.getId().get());
+
+ edgeBuilder
+ .source(new Vertex.Builder(edge.getSource().getType()).id(edge.getSource().getId().get()).build());
+ edgeBuilder
+ .target(new Vertex.Builder(edge.getTarget().getType()).id(edge.getTarget().getId().get()).build());
+
+ return edgeBuilder;
+ }
+
+ /**
+ * Filter Edges by its source/target vertex type and the edge type
+ *
+ * @param sourceTargetType the new Edge source/target type
+ * @param type
+ * @param edges
+ * @return List<Edge>
+ */
+ public static List<Edge> filterEdgesByRelatedVertexAndType(String sourceTargetType, String type, List<Edge> edges) {
+ List<Edge> filteredEdges = new ArrayList<>();
+ if (edges != null) {
+ for (Edge edge : edges) {
+ if (doesEdgeTypeMatch(edge, type) && doesEdgeSourceTargetTypeMatch(edge, sourceTargetType)) {
+ filteredEdges.add(edge);
+ }
+ }
+ }
+ return filteredEdges;
+ }
+
+ private static boolean doesEdgeTypeMatch(Edge edge, String type) {
+ return edge.getType() != null && edge.getType().equals(type);
+ }
+
+ private static boolean doesEdgeSourceTargetTypeMatch(Edge edge, String sourceTargetType) {
+ return (edge.getSource().getType() != null && edge.getSource().getType().equals(sourceTargetType))
+ || ((edge.getTarget().getType() != null && edge.getTarget().getType().equals(sourceTargetType)));
+ }
+}
|