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/**
* ============LICENSE_START=======================================================
* org.onap.aai
* ================================================================================
* Copyright © 2017-2018 AT&T Intellectual Property. All rights reserved.
* ================================================================================
* 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.migration.v12;
import org.apache.tinkerpop.gremlin.process.traversal.dsl.graph.GraphTraversalSource;
import org.apache.tinkerpop.gremlin.process.traversal.dsl.graph.__;
import org.apache.tinkerpop.gremlin.structure.Vertex;
import org.onap.aai.db.props.AAIProperties;
import org.onap.aai.edges.EdgeIngestor;
import org.onap.aai.edges.enums.EdgeProperty;
import org.onap.aai.exceptions.AAIException;
import org.onap.aai.introspection.LoaderFactory;
import org.onap.aai.introspection.ModelType;
import org.onap.aai.serialization.db.EdgeSerializer;
import org.onap.aai.introspection.exceptions.AAIUnknownObjectException;
import org.onap.aai.migration.*;
import org.onap.aai.edges.enums.AAIDirection;
import org.onap.aai.serialization.db.DBSerializer;
import org.onap.aai.serialization.engines.TransactionalGraphEngine;
import org.onap.aai.setup.SchemaVersion;
import org.onap.aai.setup.SchemaVersions;
import org.springframework.web.util.UriUtils;
import javax.ws.rs.core.UriBuilder;
import java.io.UnsupportedEncodingException;
import java.util.*;
import java.util.stream.Collectors;
//@Enabled
@MigrationPriority(1000)
@MigrationDangerRating(1000)
public class UriMigration extends Migrator {
private final SchemaVersion version;
private final ModelType introspectorFactoryType;
private GraphTraversalSource g;
private Map<String, UriBuilder> nodeTypeToUri;
private Map<String, Set<String>> nodeTypeToKeys;
protected Set<Object> seen = new HashSet<>();
/**
* Instantiates a new migrator.
*
* @param engine
*/
public UriMigration(TransactionalGraphEngine engine, LoaderFactory loaderFactory, EdgeIngestor edgeIngestor, EdgeSerializer edgeSerializer, SchemaVersions schemaVersions) throws AAIException {
super(engine, loaderFactory, edgeIngestor, edgeSerializer, schemaVersions);
version = schemaVersions.getDefaultVersion();
introspectorFactoryType = ModelType.MOXY;
loader = loaderFactory.createLoaderForVersion(introspectorFactoryType, version);
g = this.engine.asAdmin().getTraversalSource();
this.serializer = new DBSerializer(version, this.engine, introspectorFactoryType, this.getMigrationName());
}
@Override
public void run() {
long start = System.currentTimeMillis();
nodeTypeToUri = loader.getAllObjects().entrySet().stream().filter(e -> e.getValue().getGenericURI().contains("{")).collect(
Collectors.toMap(
e -> e.getKey(),
e -> UriBuilder.fromPath(e.getValue().getFullGenericURI().replaceAll("\\{"+ e.getKey() + "-", "{"))
));
nodeTypeToKeys = loader.getAllObjects().entrySet().stream().filter(e -> e.getValue().getGenericURI().contains("{")).collect(
Collectors.toMap(
e -> e.getKey(),
e -> e.getValue().getKeys()
));
Set<String> topLevelNodeTypes = loader.getAllObjects().entrySet().stream()
.filter(e -> e.getValue().isTopLevel()).map(Map.Entry::getKey)
.collect(Collectors.toSet());
logger.info("Top level count : " + topLevelNodeTypes.size());
topLevelNodeTypes.stream().forEach(topLevelNodeType -> {
Set<Vertex> parentSet = g.V().has(AAIProperties.NODE_TYPE, topLevelNodeType).toSet();
logger.info(topLevelNodeType + " : " + parentSet.size());
try {
this.verifyOrAddUri("", parentSet);
} catch (AAIUnknownObjectException e) {
e.printStackTrace();
} catch (AAIException e) {
e.printStackTrace();
} catch (UnsupportedEncodingException e) {
e.printStackTrace();
}
});
logger.info("RUNTIME: " + (System.currentTimeMillis() - start));
logger.info("NO URI: " + g.V().hasNot(AAIProperties.AAI_URI).count().next());
logger.info("NUM VERTEXES SEEN: " + seen.size());
seen = new HashSet<>();
}
protected void verifyOrAddUri(String parentUri, Set<Vertex> vertexSet) throws UnsupportedEncodingException, AAIException {
String correctUri;
for (Vertex v : vertexSet) {
seen.add(v.id());
//if there is an issue generating the uri catch, log and move on;
try {
correctUri = parentUri + this.getUriForVertex(v);
} catch (Exception e) {
logger.error("Vertex has issue generating uri " + e.getMessage() + "\n\t" + this.asString(v));
continue;
}
try {
v.property(AAIProperties.AAI_URI, correctUri);
} catch (Exception e) {
logger.info(e.getMessage() + "\n\t" + this.asString(v));
}
if (!v.property(AAIProperties.AAI_UUID).isPresent()) {
v.property(AAIProperties.AAI_UUID, UUID.randomUUID().toString());
}
this.verifyOrAddUri(correctUri, getChildren(v));
}
}
protected Set<Vertex> getChildren(Vertex v) {
Set<Vertex> children = g.V(v).bothE().not(__.has(EdgeProperty.CONTAINS.toString(), AAIDirection.NONE.toString())).otherV().toSet();
return children.stream().filter(child -> !seen.contains(child.id())).collect(Collectors.toSet());
}
protected String getUriForVertex(Vertex v) {
String aaiNodeType = v.property(AAIProperties.NODE_TYPE).value().toString();
Map<String, String> parameters = this.nodeTypeToKeys.get(aaiNodeType).stream().collect(Collectors.toMap(
key -> key,
key -> encodeProp(v.property(key).value().toString())
));
return this.nodeTypeToUri.get(aaiNodeType).buildFromEncodedMap(parameters).toString();
}
private static String encodeProp(String s) {
try {
return UriUtils.encode(s, "UTF-8");
} catch (UnsupportedEncodingException e) {
return "";
}
}
@Override
public Status getStatus() {
return Status.SUCCESS;
}
@Override
public Optional<String[]> getAffectedNodeTypes() {
return Optional.empty();
}
@Override
public String getMigrationName() {
return UriMigration.class.getSimpleName();
}
}
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