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authorsblimkie <steven.blimkie@amdocs.com>2018-07-19 16:03:44 -0400
committersblimkie <steven.blimkie@amdocs.com>2018-07-19 16:08:20 -0400
commit3bc6a702f2d3d8710c7aaa94cdc8c0ccf3deb759 (patch)
tree9703ebe15777acc73ad118520f6b1a219f60e107 /src/main/java
parent194adee686ebb90488f739f2c637f6cb3def94d5 (diff)
Auto-resolve edge type
Auto-resolve edge type based on EdgeRules file. Change-Id: Ic6de47f5172bc410efcdd5f08c1ea5c4f822610e Issue-ID: AAI-1396 Signed-off-by: sblimkie <steven.blimkie@amdocs.com>
Diffstat (limited to 'src/main/java')
-rw-r--r--src/main/java/org/onap/crud/dao/GraphDao.java14
-rw-r--r--src/main/java/org/onap/crud/dao/champ/ChampDao.java76
-rw-r--r--src/main/java/org/onap/crud/service/AbstractGraphDataService.java61
-rw-r--r--src/main/java/org/onap/crud/service/CrudAsyncGraphDataService.java13
-rw-r--r--src/main/java/org/onap/crud/service/CrudGraphDataService.java14
-rw-r--r--src/main/java/org/onap/crud/service/CrudRestService.java7
-rw-r--r--src/main/java/org/onap/crud/util/CrudServiceUtil.java25
-rw-r--r--src/main/java/org/onap/schema/RelationshipSchema.java29
8 files changed, 178 insertions, 61 deletions
diff --git a/src/main/java/org/onap/crud/dao/GraphDao.java b/src/main/java/org/onap/crud/dao/GraphDao.java
index 6c1bca9..7cb3d4c 100644
--- a/src/main/java/org/onap/crud/dao/GraphDao.java
+++ b/src/main/java/org/onap/crud/dao/GraphDao.java
@@ -42,10 +42,12 @@ public interface GraphDao {
* - The unique identifier of the vertex to retrieve the edges for.
* @param queryParams
* - query parameters to be passed
+ * @param txid
+ * - a DB transaction ID to use (if null, no transactionId is used)
* @return - A collection of edges.
* @throws CrudException
*/
- public List<Edge> getVertexEdges(String id, Map<String, String> queryParams) throws CrudException;
+ public List<Edge> getVertexEdges(String id, Map<String, String> queryParams, String txId) throws CrudException;
/**
* Retrieve a collection of {@link Vertex} objects which match the supplied
@@ -89,7 +91,7 @@ public interface GraphDao {
* @throws CrudException
*/
public OperationResult getEdge(String id, String type, Map<String, String> queryParams) throws CrudException;
-
+
/**
* Retrieve a collection of {@link Edge} objects with a given type and which
* match a set of supplied filter parameters.
@@ -172,7 +174,7 @@ public interface GraphDao {
* - The unique identifier of the edge to be deleted.
* @throws CrudException
*/
- public void deleteEdge(String id, String type) throws CrudException;
+ public void deleteEdge(String id) throws CrudException;
public String openTransaction();
@@ -193,7 +195,9 @@ public interface GraphDao {
public void deleteVertex(String id, String type, String txId) throws CrudException;
- public void deleteEdge(String id, String type, String txId) throws CrudException;
+ public void deleteEdge(String id, String txId) throws CrudException;
- public Edge getEdge(String id, String type, String txId) throws CrudException;
+ public Edge getEdge(String id, String txId) throws CrudException;
+
+ public Edge getEdge(String id) throws CrudException;
}
diff --git a/src/main/java/org/onap/crud/dao/champ/ChampDao.java b/src/main/java/org/onap/crud/dao/champ/ChampDao.java
index fd5de57..81980cc 100644
--- a/src/main/java/org/onap/crud/dao/champ/ChampDao.java
+++ b/src/main/java/org/onap/crud/dao/champ/ChampDao.java
@@ -141,26 +141,39 @@ public class ChampDao implements GraphDao {
}
@Override
- public List<Edge> getVertexEdges(String id, Map<String, String> queryParams) throws CrudException {
- StringBuilder strBuild = new StringBuilder(baseObjectUrl);
- strBuild.append("/relationships/");
- strBuild.append(id);
- if(queryParams != null && !queryParams.isEmpty())
- {
- strBuild.append("?");
- strBuild.append(URLEncodedUtils.format(convertToNameValuePair(queryParams), Charset.defaultCharset()));
- }
+ public List<Edge> getVertexEdges(String id, Map<String, String> queryParams, String txId) throws CrudException {
+ StringBuilder strBuild = new StringBuilder(baseObjectUrl);
+ strBuild.append("/relationships/");
+ strBuild.append(id);
+
+ Map<String,String> queryParamsCopy = null;
+ if (queryParams != null) {
+ queryParamsCopy = new HashMap<String,String>(queryParams);
+ }
+ else {
+ queryParamsCopy = new HashMap<String,String>();
+ }
- OperationResult getResult = client.get(strBuild.toString(), createHeader(), MediaType.APPLICATION_JSON_TYPE);
+ if (txId != null) {
+ queryParamsCopy.put("transactionId", txId);
+ }
- if (getResult.getResultCode() == 200) {
- return champGson.fromJson(getResult.getResult(), new TypeToken<List<Edge>>() {
- }.getType());
- } else {
- // We didn't find a vertex with the supplied id, so just throw an
- // exception.
- throw createErrorException(getResult, javax.ws.rs.core.Response.Status.NOT_FOUND, "No vertex with id " + id + " found in graph");
- }
+ if (!queryParamsCopy.isEmpty())
+ {
+ strBuild.append("?");
+ strBuild.append(URLEncodedUtils.format(convertToNameValuePair(queryParamsCopy), Charset.defaultCharset()));
+ }
+
+ OperationResult getResult = client.get(strBuild.toString(), createHeader(), MediaType.APPLICATION_JSON_TYPE);
+
+ if (getResult.getResultCode() == 200) {
+ return champGson.fromJson(getResult.getResult(), new TypeToken<List<Edge>>() {
+ }.getType());
+ } else {
+ // We didn't find a vertex with the supplied id, so just throw an
+ // exception.
+ throw createErrorException(getResult, javax.ws.rs.core.Response.Status.NOT_FOUND, "No vertex with id " + id + " found in graph");
+ }
}
@Override
@@ -343,7 +356,7 @@ public class ChampDao implements GraphDao {
}
@Override
- public void deleteEdge(String id, String type) throws CrudException {
+ public void deleteEdge(String id) throws CrudException {
String url = baseRelationshipUrl + "/" + id;
OperationResult getResult = client.delete(url, createHeader(), MediaType.APPLICATION_JSON_TYPE);
@@ -512,7 +525,7 @@ public class ChampDao implements GraphDao {
}
@Override
- public void deleteEdge(String id, String type, String txId) throws CrudException {
+ public void deleteEdge(String id, String txId) throws CrudException {
String url = baseRelationshipUrl + "/" + id + "?transactionId=" + txId;
OperationResult getResult = client.delete(url, createHeader(), MediaType.APPLICATION_JSON_TYPE);
@@ -524,19 +537,12 @@ public class ChampDao implements GraphDao {
}
@Override
- public Edge getEdge(String id, String type, String txId) throws CrudException {
+ public Edge getEdge(String id, String txId) throws CrudException {
String url = baseRelationshipUrl + "/" + id + "?transactionId=" + txId;
OperationResult getResult = client.get(url, createHeader(), MediaType.APPLICATION_JSON_TYPE);
if (getResult.getResultCode() == 200) {
Edge edge = Edge.fromJson(getResult.getResult());
-
- if (!edge.getType().equalsIgnoreCase(type)) {
- // We didn't find an edge with the supplied type, so just throw an
- // exception.
- throw new CrudException("No edge with id " + id + " and type " + type + " found in graph",
- javax.ws.rs.core.Response.Status.NOT_FOUND);
- }
return edge;
} else {
// We didn't find an edge with the supplied id, so just throw an
@@ -544,6 +550,20 @@ public class ChampDao implements GraphDao {
throw createErrorException(getResult, javax.ws.rs.core.Response.Status.NOT_FOUND, "No edge with id " + id + " found in graph");
}
}
+
+ @Override
+ public Edge getEdge(String id) throws CrudException {
+ String url = baseRelationshipUrl + "/" + id;
+ OperationResult getResult = client.get(url, createHeader(), MediaType.APPLICATION_JSON_TYPE);
+
+ if (getResult.getResultCode() == 200) {
+ Edge edge = Edge.fromJson(getResult.getResult());
+ return edge;
+ } else {
+ // We didn't find an edge with the supplied id, so just throw an exception.
+ throw createErrorException(getResult, javax.ws.rs.core.Response.Status.NOT_FOUND, "No edge with id " + id + " found in graph");
+ }
+ }
public Vertex getVertex(String id, String type, String version, String txId) throws CrudException {
String url = baseObjectUrl + "/" + id + "?transactionId=" + txId;
diff --git a/src/main/java/org/onap/crud/service/AbstractGraphDataService.java b/src/main/java/org/onap/crud/service/AbstractGraphDataService.java
index a5b52bd..59046ab 100644
--- a/src/main/java/org/onap/crud/service/AbstractGraphDataService.java
+++ b/src/main/java/org/onap/crud/service/AbstractGraphDataService.java
@@ -83,7 +83,7 @@ public abstract class AbstractGraphDataService {
type = OxmModelValidator.resolveCollectionType(version, type);
OperationResult vertexOpResult = daoForGet.getVertex(id, type, version, queryParams);
Vertex vertex = Vertex.fromJson(vertexOpResult.getResult(), version);
- List<Edge> edges = daoForGet.getVertexEdges(id, queryParams);
+ List<Edge> edges = daoForGet.getVertexEdges(id, queryParams, null);
EntityTag entityTag = CrudServiceUtil.getETagFromHeader(vertexOpResult.getHeaders());
return new ImmutablePair<>(entityTag, CrudResponseBuilder.buildGetVertexResponse(OxmModelValidator.validateOutgoingPayload(version, vertex), edges,
version));
@@ -117,8 +117,7 @@ public abstract class AbstractGraphDataService {
EdgePayload edgePayload = EdgePayload.fromJson(item.getValue().getAsJsonObject().toString());
if (opr.getValue().getAsString().equalsIgnoreCase("delete")) {
- RelationshipSchemaValidator.validateType(version, edgePayload.getType());
- deleteBulkEdge(edgePayload.getId(), version, edgePayload.getType(), txId);
+ deleteBulkEdge(edgePayload.getId(), version, txId);
}
}
@@ -233,36 +232,68 @@ public abstract class AbstractGraphDataService {
.setTarget("services/inventory/" + version + "/" + target.getType() + "/" + target.getId().get());
}
+ // If the type isn't set, resolve it based on on the sourece and target vertex types
+ if (edgePayload.getType() == null || edgePayload.getType().isEmpty()) {
+ edgePayload.setType(CrudServiceUtil.determineEdgeType(edgePayload, version));
+ }
+
+ // TODO: Champ needs to support getting an object's relationships within the context of an existing transaction.
+ // Currently it doesn't. Disabling multiplicity check until this happens.
+
+ List<Edge> sourceVertexEdges = new ArrayList<Edge>();
+ List<Edge> targetVertexEdges = new ArrayList<Edge>();
+
+ /*
List<Edge> sourceVertexEdges =
EdgePayloadUtil.filterEdgesByRelatedVertexAndType(EdgePayloadUtil.getVertexNodeType(edgePayload.getSource()), edgePayload.getType(),
- daoForGet.getVertexEdges(EdgePayloadUtil.getVertexNodeId(edgePayload.getSource()), null));
-
+ dao.getVertexEdges(EdgePayloadUtil.getVertexNodeId(edgePayload.getSource()), null, txId));
+
List<Edge> targetVertexEdges =
EdgePayloadUtil.filterEdgesByRelatedVertexAndType(EdgePayloadUtil.getVertexNodeType(edgePayload.getTarget()), edgePayload.getType(),
- daoForGet.getVertexEdges(EdgePayloadUtil.getVertexNodeId(edgePayload.getTarget()), null));
-
+ dao.getVertexEdges(EdgePayloadUtil.getVertexNodeId(edgePayload.getTarget()), null, txId));
+ */
+
validatedEdge = RelationshipSchemaValidator.validateIncomingAddPayload(version, edgePayload.getType(), edgePayload, sourceVertexEdges,
targetVertexEdges);
persistedEdge = addBulkEdge(validatedEdge, version, txId);
} else if (opr.getValue().getAsString().equalsIgnoreCase("modify")) {
- Edge edge = dao.getEdge(edgePayload.getId(), edgePayload.getType(), txId);
+ Edge edge = dao.getEdge(edgePayload.getId(), txId);
+
+ // If the type isn't set, resolve it based on on the sourece and target vertex types
+ if (edgePayload.getType() == null || edgePayload.getType().isEmpty()) {
+ edgePayload.setType(edge.getType());
+ }
+ // TODO: Champ needs to support getting an object's relationships within the context of an existing transaction.
+ // Currently it doesn't. Disabling multiplicity check until this happens.
+
+ List<Edge> sourceVertexEdges = new ArrayList<Edge>();
+ List<Edge> targetVertexEdges = new ArrayList<Edge>();
+
+ /*
// load source and target vertex relationships for validation
List<Edge> sourceVertexEdges =
EdgePayloadUtil.filterEdgesByRelatedVertexAndType(EdgePayloadUtil.getVertexNodeType(edgePayload.getSource()), edgePayload.getType(),
- daoForGet.getVertexEdges(EdgePayloadUtil.getVertexNodeId(edgePayload.getSource()), null));
+ dao.getVertexEdges(EdgePayloadUtil.getVertexNodeId(edgePayload.getSource()), null, txId));
List<Edge> targetVertexEdges =
EdgePayloadUtil.filterEdgesByRelatedVertexAndType(EdgePayloadUtil.getVertexNodeType(edgePayload.getTarget()), edgePayload.getType(),
- daoForGet.getVertexEdges(EdgePayloadUtil.getVertexNodeId(edgePayload.getTarget()), null));
-
+ dao.getVertexEdges(EdgePayloadUtil.getVertexNodeId(edgePayload.getTarget()), null, txId));
+ */
+
validatedEdge = RelationshipSchemaValidator.validateIncomingUpdatePayload(edge, version, edgePayload, edgePayload.getType(), sourceVertexEdges, targetVertexEdges);
persistedEdge = updateBulkEdge(validatedEdge, version, txId);
} else {
- if ( (edgePayload.getId() == null) || (edgePayload.getType() == null) ) {
- throw new CrudException("id and type must be specified for patch request", Status.BAD_REQUEST);
+ if (edgePayload.getId() == null) {
+ throw new CrudException("id must be specified for patch request", Status.BAD_REQUEST);
+ }
+ Edge existingEdge = dao.getEdge(edgePayload.getId(), txId);
+
+ // If the type isn't set, resolve it based on on the sourece and target vertex types
+ if (edgePayload.getType() == null || edgePayload.getType().isEmpty()) {
+ edgePayload.setType(existingEdge.getType());
}
- Edge existingEdge = dao.getEdge(edgePayload.getId(), edgePayload.getType(), txId);
+
Edge patchedEdge = RelationshipSchemaValidator.validateIncomingPatchPayload(existingEdge, version, edgePayload);
persistedEdge = updateBulkEdge(patchedEdge, version, txId);
}
@@ -312,6 +343,6 @@ public abstract class AbstractGraphDataService {
protected abstract Edge addBulkEdge(Edge edge, String version, String dbTransId) throws CrudException;
protected abstract Edge updateBulkEdge(Edge edge, String version, String dbTransId) throws CrudException;
- protected abstract void deleteBulkEdge(String id, String version, String type, String dbTransId) throws CrudException;
+ protected abstract void deleteBulkEdge(String id, String version, String dbTransId) throws CrudException;
}
diff --git a/src/main/java/org/onap/crud/service/CrudAsyncGraphDataService.java b/src/main/java/org/onap/crud/service/CrudAsyncGraphDataService.java
index aa70a66..8d147eb 100644
--- a/src/main/java/org/onap/crud/service/CrudAsyncGraphDataService.java
+++ b/src/main/java/org/onap/crud/service/CrudAsyncGraphDataService.java
@@ -414,7 +414,18 @@ public class CrudAsyncGraphDataService extends AbstractGraphDataService {
}
@Override
- protected void deleteBulkEdge(String id, String version, String type, String dbTransId) throws CrudException {
+ protected void deleteBulkEdge(String id, String version, String dbTransId) throws CrudException {
+ // Get the edge type
+ String type = null;
+ try {
+ Edge edge = daoForGet.getEdge(id);
+ type = edge.getType();
+ }
+ catch (CrudException ex) {
+ // Likely the client is trying to delete an edge which isn't present. Just swallow the exception
+ // and let the bulk request fail via the normal path.
+ }
+
GraphEvent event = GraphEvent.builder(GraphEventOperation.DELETE)
.edge(new GraphEventEdge(id, version, type, null, null, null)).build();
event.setDbTransactionId(dbTransId);
diff --git a/src/main/java/org/onap/crud/service/CrudGraphDataService.java b/src/main/java/org/onap/crud/service/CrudGraphDataService.java
index 9ff48c7..ae2d294 100644
--- a/src/main/java/org/onap/crud/service/CrudGraphDataService.java
+++ b/src/main/java/org/onap/crud/service/CrudGraphDataService.java
@@ -77,11 +77,11 @@ public class CrudGraphDataService extends AbstractGraphDataService {
// load source and target vertex relationships for validation
List<Edge> sourceVertexEdges =
EdgePayloadUtil.filterEdgesByRelatedVertexAndType(EdgePayloadUtil.getVertexNodeType(payload.getSource()), type,
- daoForGet.getVertexEdges(EdgePayloadUtil.getVertexNodeId(payload.getSource()), null));
+ daoForGet.getVertexEdges(EdgePayloadUtil.getVertexNodeId(payload.getSource()), null, null));
List<Edge> targetVertexEdges =
EdgePayloadUtil.filterEdgesByRelatedVertexAndType(EdgePayloadUtil.getVertexNodeType(payload.getTarget()), type,
- daoForGet.getVertexEdges(EdgePayloadUtil.getVertexNodeId(payload.getTarget()), null));
+ daoForGet.getVertexEdges(EdgePayloadUtil.getVertexNodeId(payload.getTarget()), null, null));
Edge edge = RelationshipSchemaValidator.validateIncomingAddPayload(version, type, payload, sourceVertexEdges, targetVertexEdges);
@@ -140,7 +140,7 @@ public class CrudGraphDataService extends AbstractGraphDataService {
@Override
public String deleteEdge(String version, String id, String type) throws CrudException {
RelationshipSchemaValidator.validateType(version, type);
- dao.deleteEdge(id, type);
+ dao.deleteEdge(id);
return "";
}
@@ -153,11 +153,11 @@ public class CrudGraphDataService extends AbstractGraphDataService {
// load source and target vertex relationships for validation
List<Edge> sourceVertexEdges =
EdgePayloadUtil.filterEdgesByRelatedVertexAndType(EdgePayloadUtil.getVertexNodeType(payload.getSource()), type,
- daoForGet.getVertexEdges(EdgePayloadUtil.getVertexNodeId(payload.getSource()), null));
+ daoForGet.getVertexEdges(EdgePayloadUtil.getVertexNodeId(payload.getSource()), null, null));
List<Edge> targetVertexEdges =
EdgePayloadUtil.filterEdgesByRelatedVertexAndType(EdgePayloadUtil.getVertexNodeType(payload.getTarget()), type,
- daoForGet.getVertexEdges(EdgePayloadUtil.getVertexNodeId(payload.getTarget()), null));
+ daoForGet.getVertexEdges(EdgePayloadUtil.getVertexNodeId(payload.getTarget()), null, null));
Edge validatedEdge = RelationshipSchemaValidator.validateIncomingUpdatePayload(edge, version, payload, type, sourceVertexEdges, targetVertexEdges);
@@ -213,7 +213,7 @@ public class CrudGraphDataService extends AbstractGraphDataService {
}
@Override
- protected void deleteBulkEdge(String id, String version, String type, String dbTransId) throws CrudException {
- dao.deleteEdge(id, type, dbTransId);
+ protected void deleteBulkEdge(String id, String version, String dbTransId) throws CrudException {
+ dao.deleteEdge(id, dbTransId);
}
}
diff --git a/src/main/java/org/onap/crud/service/CrudRestService.java b/src/main/java/org/onap/crud/service/CrudRestService.java
index 25ab43a..3cfc657 100644
--- a/src/main/java/org/onap/crud/service/CrudRestService.java
+++ b/src/main/java/org/onap/crud/service/CrudRestService.java
@@ -504,10 +504,6 @@ public class CrudRestService {
EdgePayload edgePayload = EdgePayload.fromJson(item.getValue().getAsJsonObject().toString());
- if (edgePayload.getType() == null) {
- throw new CrudException("Edge Type cannot be null for: " + item.getKey(), Status.BAD_REQUEST);
- }
-
if (!opr.getKey().equalsIgnoreCase("operation")) {
throw new CrudException("operation missing in item: " + item.getKey(), Status.BAD_REQUEST);
}
@@ -697,8 +693,9 @@ public class CrudRestService {
}
if (payload.getType() == null || payload.getType().isEmpty()) {
- throw new CrudException("Missing Edge Type ", Status.BAD_REQUEST);
+ payload.setType(CrudServiceUtil.determineEdgeType(payload, version));
}
+
ImmutablePair<EntityTag, String> result = graphDataService.addEdge(version, payload.getType(), payload);
response = Response.status(Status.CREATED).entity(result.getValue()).tag(result.getKey()).type(mediaType).build();
} else {
diff --git a/src/main/java/org/onap/crud/util/CrudServiceUtil.java b/src/main/java/org/onap/crud/util/CrudServiceUtil.java
index ed5fe53..5eeb38e 100644
--- a/src/main/java/org/onap/crud/util/CrudServiceUtil.java
+++ b/src/main/java/org/onap/crud/util/CrudServiceUtil.java
@@ -31,8 +31,12 @@ import javax.ws.rs.core.MultivaluedMap;
import javax.ws.rs.core.Response.Status;
import org.onap.aai.db.props.AAIProperties;
import org.onap.crud.exception.CrudException;
+import org.onap.crud.parser.EdgePayload;
+import org.onap.crud.parser.util.EdgePayloadUtil;
import org.onap.schema.EdgeRulesLoader;
import org.onap.schema.OxmModelLoader;
+import org.onap.schema.RelationshipSchema;
+
import com.google.gson.Gson;
import com.google.gson.JsonElement;
import com.google.gson.JsonPrimitive;
@@ -138,4 +142,25 @@ public class CrudServiceUtil {
return entityTag;
}
+ public static String determineEdgeType(EdgePayload payload, String version) throws CrudException {
+ RelationshipSchema schema = EdgeRulesLoader.getSchemaForVersion(version);
+
+ if (payload.getSource() == null || payload.getTarget() == null) {
+ throw new CrudException("Source/Target not specified", Status.BAD_REQUEST);
+ }
+
+ Set<String> edgeTypes = schema.getValidRelationTypes(EdgePayloadUtil.getVertexNodeType(payload.getSource()),
+ EdgePayloadUtil.getVertexNodeType(payload.getTarget()));
+
+ if (edgeTypes.size() == 0) {
+ throw new CrudException("No valid relationship types from " + payload.getSource() + " to " + payload.getTarget(), Status.BAD_REQUEST);
+ }
+
+ if (edgeTypes.size() > 1) {
+ throw new CrudException("Multiple possible relationship types from " + payload.getSource() + " to " + payload.getTarget(), Status.BAD_REQUEST);
+ }
+
+ return edgeTypes.iterator().next();
+ }
+
}
diff --git a/src/main/java/org/onap/schema/RelationshipSchema.java b/src/main/java/org/onap/schema/RelationshipSchema.java
index 2aab7a9..0cf419e 100644
--- a/src/main/java/org/onap/schema/RelationshipSchema.java
+++ b/src/main/java/org/onap/schema/RelationshipSchema.java
@@ -23,7 +23,9 @@ package org.onap.schema;
import java.io.IOException;
import java.util.HashMap;
+import java.util.HashSet;
import java.util.Map;
+import java.util.Set;
import java.util.stream.Collectors;
import javax.ws.rs.core.Response.Status;
import org.codehaus.jackson.map.ObjectMapper;
@@ -47,6 +49,10 @@ public class RelationshipSchema {
private Map<String, Map<String, Class<?>>> relationTypes = new HashMap<>();
private Map<String, EdgeRule> relationshipRules = new HashMap<>();
+
+ // A map storing the list of valid edge types for a source/target pair
+ private Map<String, Set<String>> edgeTypesForNodePair = new HashMap<>();
+
@SuppressWarnings("unchecked")
public RelationshipSchema(Multimap<String, EdgeRule> rules, String props) throws CrudException, IOException {
@@ -56,6 +62,16 @@ public class RelationshipSchema {
for (EdgeRule rule : rules.values()) {
String key = buildRelation(rule.getFrom(), rule.getTo(), rule.getLabel());
relationshipRules.put(key, rule);
+
+ String nodePairKey = buildNodePairKey(rule.getFrom(), rule.getTo());
+ if (edgeTypesForNodePair.get(nodePairKey) == null) {
+ Set<String> typeSet = new HashSet<String>();
+ typeSet.add(rule.getLabel());
+ edgeTypesForNodePair.put(nodePairKey, typeSet);
+ }
+ else {
+ edgeTypesForNodePair.get(nodePairKey).add(rule.getLabel());
+ }
}
Map<String, Class<?>> edgeProps = properties.entrySet().stream().collect(Collectors.toMap(p -> p.getKey(), p -> {
@@ -106,10 +122,23 @@ public class RelationshipSchema {
return relationTypes.containsKey(type);
}
+ public Set<String> getValidRelationTypes(String source, String target) {
+ Set<String> typeList = edgeTypesForNodePair.get(buildNodePairKey(source, target));
+ if (typeList == null) {
+ return new HashSet<String>();
+ }
+
+ return typeList;
+ }
+
private String buildRelation(String source, String target, String relation) {
return source + ":" + target + ":" + relation;
}
+
+ private String buildNodePairKey(String source, String target) {
+ return source + ":" + target;
+ }
private Class<?> resolveClass(String type) throws CrudException, ClassNotFoundException {
Class<?> clazz = Class.forName(type);