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/*
* ============LICENSE_START=======================================================
* org.onap.aai
* ================================================================================
* Copyright © 2019 AT&T Intellectual Property. All rights reserved.
* Copyright © 2019 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.aai.schemaif.oxm;
import java.util.HashSet;
import java.util.List;
import java.util.Map;
import java.util.Set;
import org.eclipse.persistence.jaxb.dynamic.DynamicJAXBContext;
import org.onap.aai.edges.EdgeRule;
import org.onap.aai.schemaif.SchemaProvider;
import org.onap.aai.schemaif.SchemaProviderException;
import org.onap.aai.schemaif.definitions.EdgeSchema;
import org.onap.aai.schemaif.definitions.VertexSchema;
public class OxmSchemaProvider implements SchemaProvider {
@Override
public void loadSchema() throws SchemaProviderException {
OxmEdgeRulesLoader.loadModels();
OxmSchemaLoader.loadModels();
}
@Override
public String getLatestSchemaVersion() throws SchemaProviderException {
return OxmSchemaLoader.getLatestVersion();
}
@Override
public VertexSchema getVertexSchema(String vertexName, String schemaVersion) throws SchemaProviderException {
DynamicJAXBContext jaxbContext = OxmSchemaLoader.getContextForVersion(schemaVersion);
FromOxmVertexSchema vs = new FromOxmVertexSchema();
try {
vs.fromOxm(vertexName, jaxbContext, OxmSchemaLoader.getXmlLookupMap(schemaVersion));
}
catch (SchemaProviderException ex) {
// Node doesn't exist in schema. Return null.
return null;
}
return vs;
}
@Override
public EdgeSchema getEdgeSchema(String edgeType, String sourceVertex, String targetVertex, String version)
throws SchemaProviderException {
RelationshipSchema relSchema = OxmEdgeRulesLoader.getSchemaForVersion(version);
String key = sourceVertex + ":" + targetVertex + ":" + edgeType;
EdgeRule edgeRule = relSchema.lookupEdgeRule(key);
if (edgeRule == null) {
return null;
}
FromOxmEdgeSchema es = new FromOxmEdgeSchema();
es.fromEdgeRule(edgeRule);
return es;
}
@Override
public Set<EdgeSchema> getAdjacentEdgeSchema(String vertexType, String version) throws SchemaProviderException {
RelationshipSchema relSchema = OxmEdgeRulesLoader.getSchemaForVersion(version);
Set<EdgeSchema> edges = new HashSet<>();
List<EdgeRule> rules = relSchema.lookupAdjacentEdges(vertexType);
for (EdgeRule rule : rules) {
FromOxmEdgeSchema es = new FromOxmEdgeSchema();
es.fromEdgeRule(rule);
edges.add(es);
}
return edges;
}
@Override
public Set<EdgeSchema> getEdgeSchemaForSourceTarget(String sourceType, String targetType, String version) throws SchemaProviderException {
RelationshipSchema relSchema = OxmEdgeRulesLoader.getSchemaForVersion(version);
Set<EdgeSchema> edges = new HashSet<>();
Set<String> relTypes = relSchema.getValidRelationTypes(sourceType, targetType);
for (String type : relTypes) {
EdgeSchema edgeSchema = getEdgeSchema(type, sourceType, targetType, version);
if (edgeSchema != null) {
edges.add(edgeSchema);
}
}
return edges;
}
@Override
public Map<String, VertexSchema> getVertexMap(String schemaVersion) throws SchemaProviderException {
return OxmSchemaLoader.getVertexLookupForVersion(schemaVersion);
}
}
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