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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.dbgraphgen;
import com.att.eelf.configuration.EELFLogger;
import com.att.eelf.configuration.EELFManager;
import com.google.common.collect.ArrayListMultimap;
import com.google.common.collect.Multimap;
import com.google.common.util.concurrent.SimpleTimeLimiter;
import com.google.common.util.concurrent.TimeLimiter;
import com.google.common.util.concurrent.UncheckedTimeoutException;
import org.apache.tinkerpop.gremlin.process.traversal.dsl.graph.GraphTraversal;
import org.apache.tinkerpop.gremlin.structure.Vertex;
import org.apache.tinkerpop.gremlin.structure.VertexProperty;
import org.onap.aai.db.DbMethHelper;
import org.onap.aai.db.props.AAIProperties;
import org.onap.aai.dbgen.PropertyLimitDesc;
import org.onap.aai.exceptions.AAIException;
import org.onap.aai.introspection.Introspector;
import org.onap.aai.introspection.Loader;
import org.onap.aai.introspection.exceptions.AAIUnknownObjectException;
import org.onap.aai.query.builder.QueryBuilder;
import org.onap.aai.schema.enums.PropertyMetadata;
import org.onap.aai.serialization.db.DBSerializer;
import org.onap.aai.serialization.db.EdgeRules;
import org.onap.aai.serialization.db.EdgeType;
import org.onap.aai.serialization.engines.TransactionalGraphEngine;
import org.onap.aai.util.AAIConfig;
import java.util.*;
import java.util.concurrent.Callable;
import java.util.concurrent.TimeUnit;
/**
* Utility class that uses Model/Named-Query definitions to navigate the graph.
*/
public class ModelBasedProcessing {
private EELFLogger LOGGER = EELFManager.getInstance().getLogger(ModelBasedProcessing.class);
private final int MAX_LEVELS = 50; // max depth allowed for our model - to protect against infinite loop problems
private TransactionalGraphEngine engine;
private Loader loader;
private DBSerializer serializer;
private DbMethHelper dbMethHelper;
protected ModelBasedProcessing() {
}
public ModelBasedProcessing(Loader loader, TransactionalGraphEngine engine, DBSerializer serializer) {
this.loader = loader;
this.engine = engine;
this.serializer = serializer;
dbMethHelper = new DbMethHelper(loader, engine);
}
/**
* Gets the start nodes and model-ver's.
*
* @param transId the trans id
* @param fromAppId the from app id
* @param passedModelVersionId the passed model-version-id -- optional (unique id for a model-ver)
* @param passedModelId the passed model-invariant-id -- optional
* @param passedModelName the passed model-name -- optional
* @param passedTopNodeType the passed top node type -- optional (needed if neither model=invariant-id nor model-version-id is passed)
* @param startNodeFilterArrayOfHashes the start node filter array of hashes -- optional (used to locate the first node(s) of instance data)
* @param apiVer the api ver
* @return HashMap of startNodes and their corresponding model-version-id's
* @throws AAIException the AAI exception
*/
public Map<String,String> getStartNodesAndModVersionIds( String transId, String fromAppId,
String passedModelVersionId,
String passedModelInvId,
String passedModelName,
String passedTopNodeType,
List<Map<String,Object>> startNodeFilterArrayOfHashes,
String apiVer )
throws AAIException {
// ----------------------------------------------------------------------------------------------------
// Get a hash for all start-nodes (key = vtxId, val = modelVersionId that applies)
// If no start-node-key info is passed, then use either the passed modelVersion or
// the passed model-invariant-id or model-name to collect them.
// If start-node-key info is given, use it instead to look for start-nodes.
// Note: if ONLY start-node-key info is given, then it would have to map to nodes which
// have persona data. Otherwise we'd have no way to know what model to collect data with.
// ----------------------------------------------------------------------------------------------------
Iterator<Vertex> startVerts = null;
Map<String, String> startVertInfo = new HashMap<>();
if( startNodeFilterArrayOfHashes.isEmpty() ){
// Since they did not give any data to find start instances, we will have to find them
// using whatever model-info they provided so we can use it to map to persona-data in the db.
if( (passedModelVersionId == null || passedModelVersionId.equals(""))
&& (passedModelInvId == null || passedModelInvId.equals(""))
&& (passedModelName == null || passedModelName.equals(""))){
throw new AAIException("AAI_6118", "ModelInvariantId or ModelName or ModelVersionId required if no startNodeFilter data passed.");
}
else {
// Use whatever model info they pass to find start-node instances
// Get the first/top named-query-element used by this query
if( passedModelVersionId != null && !passedModelVersionId.equals("") ){
// Need to look up the model-invariant-id and model-version to check against persona data
Vertex modVerVtx = getNodeUsingUniqueId(transId, fromAppId, "model-ver",
"model-version-id", passedModelVersionId);
Vertex modVtx = getModelGivenModelVer( modVerVtx, "" );
String calcModId = modVtx.<String>property("model-invariant-id").orElse(null);
// Now we can look up instances that match this model's info
if( calcModId != null ){
startVerts = this.engine.asAdmin().getReadOnlyTraversalSource().V().has(addDBAliasedSuffix("model-invariant-id"),calcModId).has(addDBAliasedSuffix("model-version-id"),passedModelVersionId);
}
}
else if( passedModelInvId != null && !passedModelInvId.equals("") ){
// They gave us the model-invariant-id
startVerts = this.engine.asAdmin().getReadOnlyTraversalSource().V().has(addDBAliasedSuffix("model-invariant-id"),passedModelInvId);
}
else if( passedModelName != null && !passedModelName.equals("") ){
List<Vertex> modelVerVtxList = getModelVersUsingName(transId, fromAppId, passedModelName);
List<Vertex> startVtxList = new ArrayList<>();
// Need to look up the model-inv-ids and model-versions to check against persona data
if( !modelVerVtxList.isEmpty() ){
for( int i = 0; i < modelVerVtxList.size(); i++ ){
String calcModVerId = (modelVerVtxList.get(i)).<String>property("model-version-id").orElse(null);
Vertex modVtx = getModelGivenModelVer(modelVerVtxList.get(i),"");
String calcModInvId = modVtx.<String>property("model-invariant-id").orElse(null);
// Now we can look up instances that match this model's info
Iterator<Vertex> tmpStartIter = this.engine.asAdmin().getReadOnlyTraversalSource().V().has(addDBAliasedSuffix("model-invariant-id"),calcModInvId).has(addDBAliasedSuffix("model-version-id"),calcModVerId);
while( tmpStartIter.hasNext() ){
Vertex tmpStartVert = (Vertex) tmpStartIter.next();
startVtxList.add(tmpStartVert);
}
}
}
if( !startVtxList.isEmpty() ){
startVerts = startVtxList.iterator();
}
}
}
if( startVerts != null ){
while( startVerts.hasNext() ){
Vertex tmpStartVert = (Vertex) startVerts.next();
String vid = tmpStartVert.id().toString();
String tmpModId = tmpStartVert.<String>property(addDBAliasedSuffix("model-invariant-id")).orElse(null);
String tmpModVerId = tmpStartVert.<String>property(addDBAliasedSuffix("model-version-id")).orElse(null);
startVertInfo.put(vid, tmpModVerId);
}
}
if( startVertInfo.isEmpty() ){
throw new AAIException("AAI_6114", "Start Node(s) could not be found for model data passed. " +
"(modelVersionId = [" + passedModelVersionId +
"], modelInvariantId = [" + passedModelInvId +
"], modelName = [" + passedModelName +
"])");
}
return startVertInfo;
}
else {
// Use start-node filter info to find start-node(s) - Note - there could also be model info passed that we'll need
// to use to trim down the set of start-nodes that we find based on the startNodeFilter data.
String modTopNodeType ="";
String modInfoStr = "";
if( passedModelVersionId != null && !passedModelVersionId.equals("") ){
modTopNodeType = getModelVerTopWidgetType( transId, fromAppId, passedModelVersionId, "", "" );
modInfoStr = "modelVersionId = (" + passedModelVersionId + ")";
}
else if( passedModelInvId != null && !passedModelInvId.equals("") ){
modTopNodeType = getModelVerTopWidgetType( transId, fromAppId,"", passedModelInvId, "" );
modInfoStr = "modelId = (" + passedModelInvId + ")";
}
else if( passedModelName != null && !passedModelName.equals("") ){
modTopNodeType = getModelVerTopWidgetType( transId, fromAppId,"", "", passedModelName );
modInfoStr = "modelName = (" + passedModelName + ")";
}
if( modTopNodeType.equals("") ){
if( (passedTopNodeType == null) || passedTopNodeType.equals("") ){
String msg = "Could not determine the top-node nodeType for this request. modelInfo: [" + modInfoStr + "]";
throw new AAIException("AAI_6118", msg);
}
else {
// We couldn't find a top-model-type based on passed in model info, but they
// gave us a type to use -- so use it.
modTopNodeType = passedTopNodeType;
}
}
else {
// we did get a topNode type based on model info - make sure it doesn't contradict
// the passsed-in one (if there is one)
if( passedTopNodeType != null && !passedTopNodeType.equals("")
&& !passedTopNodeType.equals(modTopNodeType) ){
throw new AAIException("AAI_6120", "topNodeType passed in [" + passedTopNodeType
+ "] does not match nodeType derived for model info passed in: ["
+ modTopNodeType + "]");
}
}
List<String> modelVersionIds2Check = new ArrayList<>();
if( (passedModelName != null && !passedModelName.equals("")) ){
// They passed a modelName, so find all the model UUIDs (model-version-id's) that map to this
modelVersionIds2Check = getModelVerIdsUsingName(transId, fromAppId, passedModelName);
}
if( (passedModelVersionId != null && !passedModelVersionId.equals("")) ){
// They passed in a modelNameVersionId
if( modelVersionIds2Check.isEmpty() ){
// There was no modelName passed, so we can use the passed modelNameVersionId
modelVersionIds2Check.add(passedModelVersionId);
}
else if( modelVersionIds2Check.contains(passedModelVersionId) ){
// The passed in uuid does not conflict with what we got using the passed-in modelName.
// We'll just use the passed in uuid in this case.
// Hopefully they would not be passing strange combinations like this, but we'll try to deal with it.
modelVersionIds2Check = new ArrayList<>(); // Clear out what we had
modelVersionIds2Check.add(passedModelVersionId);
}
}
// We should now be OK with our topNodeType for this request, so we can look for the actual startNodes
for( int i=0; i < startNodeFilterArrayOfHashes.size(); i++ ){
// Locate the starting node which will be used to look which corresponds to this set of filter data
Vertex startVtx = null;
try {
Optional<Vertex> result = dbMethHelper.searchVertexByIdentityMap(modTopNodeType, startNodeFilterArrayOfHashes.get(i));
if (!result.isPresent()) {
throw new AAIException("AAI_6114", "No Node of type " + modTopNodeType + " found for properties");
}
startVtx = result.get();
}
catch( AAIException e ){
String msg = "Could not find startNode of type = [" + modTopNodeType + "], given these params: "
+ startNodeFilterArrayOfHashes.get(i) + ". msg # from getUniqueNode() = " + e.getMessage();
throw new AAIException("AAI_6114", msg);
}
String vid = startVtx.id().toString();
String personaModInvId = startVtx.<String>property(addDBAliasedSuffix("model-invariant-id")).orElse(null);
String personaModVerId = startVtx.<String>property(addDBAliasedSuffix("model-version-id")).orElse(null);
// Either this start-node has persona info (which should not contradict any passed-in model info)
// or they should have passed in the model to use - so we'd just use that.
if( personaModVerId != null && !personaModVerId.equals("") ){
// There is persona data in this start-node. So make sure it doesn't contradict any "passed" stuff
if( modelVersionIds2Check.isEmpty()
&& (passedModelInvId == null || passedModelInvId.equals("")) ){
// They didn't pass any model info, so use the persona one.
startVertInfo.put(vid, personaModVerId);
}
else if( modelVersionIds2Check.isEmpty()
&& (passedModelInvId != null && !passedModelInvId.equals("")) ){
// They passed in just the modelId - so check it
if( passedModelInvId.equals(personaModInvId) ){
startVertInfo.put(vid, personaModVerId);
}
}
else if( !modelVersionIds2Check.isEmpty()
&& (passedModelInvId == null || passedModelInvId.equals("")) ){
// They passed in just modelVersionId - so check
if( modelVersionIds2Check.contains(personaModVerId) ){
startVertInfo.put(vid, personaModVerId);
}
}
else if( !modelVersionIds2Check.isEmpty()
&& (passedModelInvId != null && !passedModelInvId.equals("")) ){
// We have BOTH a modelVersionIds and a modelId to check
if( passedModelInvId.equals(personaModInvId)
&& modelVersionIds2Check.contains(personaModVerId) ){
startVertInfo.put(vid, personaModVerId);
}
}
}
else {
// This start node did not have persona info -- so we will use the passed in model info if they passed one
if( passedModelVersionId!= null && !passedModelVersionId.equals("") ){
// The model-version-id uniquely identifies a model-ver, so we can use it.
startVertInfo.put(vid, passedModelVersionId);
}
else {
throw new AAIException("AAI_6118", "Found startNode but since it does not have persona data, the " +
" model-version-id is required. ");
}
}
}
}
return startVertInfo;
}//end of getStartNodesAndModVersionIds()
/**
* Query by model. (really model-ver)
*
* @param transId the trans id
* @param fromAppId the from app id
* @param modelVersionId the model-version-id (unique id in model-ver)
* @param modelInvariantId the model-invariant-id (unique id in model)
* @param modelName the model name
* @param topNodeType - optional (needed if neither model-invariant-id nor model-version-id is passed)
* @param startNodeFilterArrayOfHashes the start node filter array of hashes -- optional (used to locate the first node(s) of instance data)
* @param apiVer the api ver
* @return resultSet
* @throws AAIException the AAI exception
*/
public List<ResultSet> queryByModel(String transId, String fromAppId,
String modelVersionId,
String modelInvariantId,
String modelName,
String topNodeType,
List<Map<String,Object>> startNodeFilterArrayOfHashes,
String apiVer )
throws AAIException {
final String transId_f = transId;
final String fromAppId_f = fromAppId;
final String modelVersionId_f = modelVersionId;
final String modelInvId_f = modelInvariantId;
final String modelName_f = modelName;
final String topNodeType_f = topNodeType;
final List<Map<String,Object>> startNodeFilterArrayOfHashes_f = startNodeFilterArrayOfHashes;
final String apiVer_f = apiVer;
// Find out what our time-limit should be
int timeLimitSec = 0;
String timeLimitString = AAIConfig.get("aai.model.query.timeout.sec");
if( timeLimitString != null && !timeLimitString.equals("") ){
try {
timeLimitSec = Integer.parseInt(timeLimitString);
}
catch ( Exception nfe ){
// Don't worry, we will leave the limit as zero - which tells us not to use it.
}
}
if( timeLimitSec <= 0 ){
// We will NOT be using a timer
return queryByModel_Timed( transId, fromAppId,
modelVersionId,
modelInvariantId,
modelName,
topNodeType,
startNodeFilterArrayOfHashes,
apiVer );
}
List<ResultSet> resultList = new ArrayList<>();
TimeLimiter limiter = new SimpleTimeLimiter();
try {
resultList = limiter.callWithTimeout(new Callable <List<ResultSet>>() {
public List<ResultSet> call() throws AAIException {
return queryByModel_Timed( transId_f, fromAppId_f,
modelVersionId_f,
modelInvId_f,
modelName_f,
topNodeType_f,
startNodeFilterArrayOfHashes_f,
apiVer_f );
}
}, timeLimitSec, TimeUnit.SECONDS, true);
}
catch (AAIException ae) {
// Re-throw AAIException so we get can tell what happened internally
throw ae;
}
catch (UncheckedTimeoutException ute) {
throw new AAIException("AAI_6140", "Query Processing Limit exceeded. (limit = " + timeLimitSec + " seconds)");
}
catch (Exception e) {
throw new AAIException("AAI_6128", "Unexpected exception in queryByModel(): " + e.getMessage() );
}
return resultList;
}
/**
* Query by model (model-ver) timed.
*
* @param transId the trans id
* @param fromAppId the from app id
* @param modelVersionId the model-version-id (unique id in model-ver)
* @param modelInvariantId the model-invariant-id (unique id in model)
* @param modelName the model name
* @param topNodeType the top node type
* @param startNodeFilterArrayOfHashes the start node filter array of hashes
* @param apiVer the api ver
* @return the array list
* @throws AAIException the AAI exception
*/
public List<ResultSet> queryByModel_Timed(String transId, String fromAppId,
String modelVersionId,
String modelInvariantId,
String modelName,
String topNodeType,
List<Map<String,Object>> startNodeFilterArrayOfHashesVal,
String apiVer )
throws AAIException {
List<ResultSet> resultArray = new ArrayList<>();
// NOTE: this method can be used for different styles of queries:
// a) They could pass neither a modelVersionId or a modelInvariantId but just pass a set of data defining start-nodes.
// Note - with no model info, we need them to pass the startNodeType for us to be able to use the
// start-node-filter data. We would look at each start node and ensure that each has persona-model info.
// Then use whatever model corresponds to each instance to pull that instance's data.
// b) They could pass a modelInvariantId, but no modelVersionId and no startNode info. In this case, we
// Would look in the database for all nodes that have a model-invariant-id-local that matches what was
// passed, and then for each of those instances, pull the data based on the corresponding model.
// c) They could pass a model-version-id, but no startNode info. We'd make sure that if a
// model-invariant-id was also passed, that it does not conflict - but it really should be null if they
// are passing a full model-version-id. Like case -b-, we'd do a query for all nodes
// that have persona info that corresponds to the model-version-id passed and then
// collect data for each one.
// d) They could pass either modelVersionId or modelInvariantId AND startNodeFilter info. In this case we
// would look at the model info to figure out what the top-node-type is, then look at the
// top-node instances based on the startNodeFilter. We'd only collect data for each instance if
// it's persona model info matches what was passed in.
// Sorry to do this, but code that gets called with an empty hash as the first array element was causing errors
List<Map<String,Object>> startNodeFilterArrayOfHashes = new ArrayList <Map<String,Object>>();
if( !startNodeFilterArrayOfHashesVal.isEmpty() ){
Map<String,Object> tmpH = startNodeFilterArrayOfHashesVal.get(0);
if( !tmpH.isEmpty() ){
for( int i=0; i < startNodeFilterArrayOfHashesVal.size(); i++ ){
startNodeFilterArrayOfHashes.add( startNodeFilterArrayOfHashesVal.get(i) );
}
}
}
// ----------------------------------------------------------------------------------------------------------
// Get a Hash of all the start-nodes (top instance-data node for a model-ver where we will
// start collecting data) for startNode2ModelVerHash:
// key = vertex-id for the startNode,
// value = model-version-id for the corresponding model-ver
// ----------------------------------------------------------------------------------------------------------
Map<String, String> startNode2ModelVerHash = getStartNodesAndModVersionIds( transId, fromAppId,
modelVersionId, modelInvariantId, modelName, topNodeType,
startNodeFilterArrayOfHashes, apiVer );
//System.out.println("\nDEBUG -- Here's a dump of the startnodes/model-vers: " + startNode2ModelVerHash.toString());
// --------------------------------------------------------------------------------------------------------
// Figure out what-all models (model-ver nodes) we will be dealing with
// Note - Instances must all use the same type of start-node, but do not have to all use the same model-ver.
// --------------------------------------------------------------------------------------------------------
Map<String, Vertex> distinctModelVersHash = new HashMap<>();
// For distinctModelVersHash: key = modelVersionId, val= modelVerVertex
String startNodeType = "";
if( topNodeType != null && !topNodeType.equals("") ){
startNodeType = topNodeType;
}
List<String> skipModelVerIdList = new ArrayList<>();
List<String> skipStartVertVerIdList = new ArrayList<>();
Set <String> snKeySet = startNode2ModelVerHash.keySet();
Iterator<String> startNodeIterator = snKeySet.iterator();
while( startNodeIterator.hasNext() ){
String modVerIdKey = (String) startNodeIterator.next();
String modVerId = startNode2ModelVerHash.get(modVerIdKey);
if( !distinctModelVersHash.containsKey(modVerId) ){
// First time seeing this model-version-id
Vertex modVerVtx = getNodeUsingUniqueId(transId, fromAppId, "model-ver",
"model-version-id", modVerId);
String tmpNodeType = "";
try {
tmpNodeType = getModelVerTopWidgetType( modVerVtx, "" );
}
catch( AAIException ae ){
// There must be some old bad data in the db - we will skip over this model-ver since its
// model is not good anymore - but will log that this is happening.
skipModelVerIdList.add(modVerId);
skipStartVertVerIdList.add(modVerIdKey);
System.out.println(">>> WARNING - will not collect model data for this vertex since " +
"it uses an inconsistant model-ver model. Model-version-id = " + modVerId );
}
if( tmpNodeType != null && !tmpNodeType.equals("") ){
if( startNodeType.equals("") ){
startNodeType = tmpNodeType;
}
else if( !startNodeType.equals(tmpNodeType) ){
String msg = "Conflict between startNode types for models involved: [" + startNodeType
+ "], [" + tmpNodeType + "]";
throw new AAIException("AAI_6125", msg);
}
distinctModelVersHash.put(modVerId, modVerVtx);
}
}
}
//System.out.println("\nDEBUG -- Here's a dump of the DISTINCT model-ver hash: " + distinctModelVersHash.toString() );
// ------------------------------------------------------------------------------------------------------
// Get the "valid-next-step" hash for each distinct model-ver
// While we're at it, get a mapping of model-invariant-id|model-version to model-version-id for
// the model-vers being used
// ------------------------------------------------------------------------------------------------------
Map<String, Multimap<String, String>> validNextStepHash = new HashMap<>();
// validNextStepHash: key = modelVerId, value = nextStepMap
Set <String> keySet = distinctModelVersHash.keySet();
Iterator<String> modelVerIterator = keySet.iterator();
while( modelVerIterator.hasNext() ){
String modVerKey = (String) modelVerIterator.next();
if( ! skipModelVerIdList.contains(modVerKey) ){
Vertex modelVerVtx = (Vertex)distinctModelVersHash.get(modVerKey);
Multimap<String, String> tmpTopoMap = genTopoMap4ModelVer( transId, fromAppId,
modelVerVtx, modVerKey);
validNextStepHash.put(modVerKey, tmpTopoMap);
}
}
// -------------------------------------------------------------------------------------------------
// Figure out what the "start-node" for each instance will be (plus the info we will use to
// represent that in our topology)
// -------------------------------------------------------------------------------------------------
List<String> failedPersonaCheckVids = new ArrayList<>();
Map<String, String> firstStepInfoHash = new HashMap<>();
// For firstStepInfoHash: key = startNodeVtxId, val=topNodeType plus personaData if applicable
// ie. the value is what we'd use as the "first-step" for this model.
if( !nodeTypeSupportsPersona( startNodeType) ){
// This node type doesn't have persona info, so we just use startNodeType for the first-step-info
snKeySet = startNode2ModelVerHash.keySet();
startNodeIterator = snKeySet.iterator();
while( startNodeIterator.hasNext() ){
String vtxKey = (String) startNodeIterator.next();
firstStepInfoHash.put(vtxKey,startNodeType);
}
}
else {
// Need to check that this node's persona data is good and if it is - use it for the first step info
snKeySet = startNode2ModelVerHash.keySet();
startNodeIterator = snKeySet.iterator();
while( startNodeIterator.hasNext() ){
String vtxKey = (String) startNodeIterator.next();
Iterator<Vertex> vtxIterator = this.engine.asAdmin().getReadOnlyTraversalSource().V(vtxKey);
Vertex tmpVtx = (Vertex)vtxIterator.next();
String thisVtxModelVerId = startNode2ModelVerHash.get(vtxKey);
if( skipModelVerIdList.contains(thisVtxModelVerId) ){
// Skip this vertex because it uses a model-ver that is bad
continue;
}
Vertex modelVerVtx = (Vertex)distinctModelVersHash.get(thisVtxModelVerId);
Vertex modelVtx = getModelGivenModelVer( modelVerVtx, "" );
String modInvId = modelVtx.<String>property("model-invariant-id").orElse(null);
String personaModInvId = tmpVtx.<String>property(addDBAliasedSuffix("model-invariant-id")).orElse(null);
String personaModVerId = tmpVtx.<String>property(addDBAliasedSuffix("model-version-id")).orElse(null);
if( modInvId.equals(personaModInvId) && thisVtxModelVerId.equals(personaModVerId) ){
String tmpPersonaInfoStr = startNodeType + "," + personaModInvId + "," + personaModVerId;
firstStepInfoHash.put(vtxKey, tmpPersonaInfoStr );
}
else {
// we won't use this start node below when we collect data because it should have
// had persona data that matched it's model - but it did not.
failedPersonaCheckVids.add(vtxKey);
}
}
}
//System.out.println("\nDEBUG -- Here's a dump of the firstStepInfoHash hash: " + firstStepInfoHash.toString() );
// ------------------------------------------------------------------------------------------------
// Loop through each start-node, collect it's data using collectInstanceData() and put the
// resultSet onto the resultArray.
// ------------------------------------------------------------------------------------------------
// Make sure they're not bringing back too much data
String maxString = AAIConfig.get("aai.model.query.resultset.maxcount");
if( maxString != null && !maxString.equals("") ){
int maxSets = 0;
try {
maxSets = Integer.parseInt(maxString);
}
catch ( Exception nfe ){
// Don't worry, we will leave the max as zero - which tells us not to use it.
}
if( maxSets > 0 && (startNode2ModelVerHash.size() > maxSets) ){
String msg = " Query returns " + startNode2ModelVerHash.size() + " resultSets. Max allowed is: " + maxSets;
throw new AAIException("AAI_6141", msg);
}
}
snKeySet = startNode2ModelVerHash.keySet();
startNodeIterator = snKeySet.iterator();
while( startNodeIterator.hasNext() ){
String topNodeVtxId = (String) startNodeIterator.next();
if( failedPersonaCheckVids.contains(topNodeVtxId) ){
// Skip this vertex because it failed it's persona-data check above
continue;
}
if( skipStartVertVerIdList.contains(topNodeVtxId) ){
// Skip this vertex because it uses a model-ver that is bad
continue;
}
Iterator<Vertex> vtxIterator = this.engine.asAdmin().getReadOnlyTraversalSource().V(topNodeVtxId);
Vertex tmpStartVtx = (Vertex)vtxIterator.next();
String elementLocationTrail = firstStepInfoHash.get(topNodeVtxId);
String modelVerId = startNode2ModelVerHash.get(topNodeVtxId);
Multimap<String, String> validNextStepMap = validNextStepHash.get(modelVerId);
List<String> vidsTraversed = new ArrayList<>();
Map<String,String> emptyDelKeyHash = new HashMap<>();
Map<String,String> emptyNQElementHash = new HashMap<>(); // Only applies to Named Queries
ResultSet tmpResSet = collectInstanceData( transId, fromAppId,
tmpStartVtx, elementLocationTrail,
validNextStepMap, vidsTraversed, 0, emptyDelKeyHash, emptyNQElementHash, apiVer );
resultArray.add(tmpResSet);
}
return resultArray;
}// queryByModel_Timed()
/**
* Run delete by model-ver.
*
* @param transId the trans id
* @param fromAppId the from app id
* @param modelVersionId the model version id -- unique id for a model-ver node
* @param topNodeTypeVal the top node type val -- required if no model-version-id is passed
* @param startNodeFilterHash the start node filter hash -- used to locate the first node of instance data
* @param apiVer the api ver
* @param resVersion the res version -- resourceVersion of the top/first widget in the model instance
* @return HashMap (keys = vertexIds that were deleted)
* @throws AAIException the AAI exception
*/
public Map<String,String> runDeleteByModel( String transId, String fromAppId,
String modelVersionId, String topNodeTypeVal, Map<String,Object> startNodeFilterHash, String apiVer, String resVersion )
throws AAIException {
Map<String,String> retHash = new HashMap<>();
// Locate the Model-ver node to be used
Vertex modelVerVtx = null;
if( modelVersionId != null && !modelVersionId.equals("") ){
modelVerVtx = getNodeUsingUniqueId(transId, fromAppId, "model-ver",
"model-version-id", modelVersionId);
}
else {
// if they didn't pass the modelVersionId, then we need to use the startNode to figure it out
// Locate the starting node based on the start node params
if( topNodeTypeVal == null || topNodeTypeVal.equals("") ){
throw new AAIException("AAI_6118", "If no model info is passed, then topNodeType is required. ");
}
Optional<Vertex> result = dbMethHelper.searchVertexByIdentityMap(topNodeTypeVal, startNodeFilterHash);
if (!result.isPresent()) {
throw new AAIException("AAI_6114", "No Node of type " + topNodeTypeVal + " found for properties");
}
Vertex startVtx = result.get();
String startVertModVerId = startVtx.<String>property(addDBAliasedSuffix("model-version-id")).orElse(null);
modelVerVtx = getNodeUsingUniqueId(transId, fromAppId, "model-ver",
"model-version-id", startVertModVerId);
}
if( modelVerVtx == null ){
throw new AAIException("AAI_6114", "Could not determine the model-ver for the given input parameters. ");
}
String topNType = "unknown";
String modelType = getModelTypeFromModelVer( modelVerVtx, "" );
if( modelType.equals("widget") ){
// If they want to delete using a widget-level model.. That is just a delete of the one
// instance of one of our nodes.
String widgModNodeType = modelVerVtx.<String>property("model-name").orElse(null);
if( (widgModNodeType == null) || widgModNodeType.equals("") ){
String msg = "Could not find model-name for the widget model [" + modelVersionId + "].";
throw new AAIException("AAI_6132", msg);
}
Optional<Vertex> result = dbMethHelper.locateUniqueVertex(widgModNodeType, startNodeFilterHash);
if (!result.isPresent()) {
throw new AAIException("AAI_6114", "No Node of type " + topNType + " found for properties");
}
Vertex widgetVtx = result.get();
String widgId = widgetVtx.id().toString();
serializer.delete(widgetVtx, resVersion, true);
retHash.put(widgId, widgModNodeType);
return retHash;
}
// ---------------------------------------------------------------------------------
// If we got to here, this must be either a service or resource model.
// So, we'll need to get a Hash of which parts of the model to delete.
// NOTE- deleteByModel is deleting data based on one specific version of a model.
// ---------------------------------------------------------------------------------
String chkFirstNodePersonaModInvId = "";
String chkFirstNodePersonaModVerId = "";
String personaData = "";
Vertex firstModElementVertex = getTopElementForSvcOrResModelVer( modelVerVtx, "" );
topNType = getModElementWidgetType( firstModElementVertex, "" );
if( (topNType == null) || topNType.equals("") ){
String msg = "Could not determine the top-node nodeType for model-version-id: [" + modelVersionId + "]";
throw new AAIException("AAI_6132", msg);
}
if( nodeTypeSupportsPersona(topNType) ){
Vertex modelVtx = getModelGivenModelVer(modelVerVtx,"");
chkFirstNodePersonaModInvId = modelVtx.<String>property("model-invariant-id").orElse(null);
chkFirstNodePersonaModVerId = modelVerVtx.<String>property("model-version-id").orElse(null);
personaData = "," + chkFirstNodePersonaModInvId + "," + chkFirstNodePersonaModVerId;
}
// Get the deleteKeyHash for this model
String incomingTrail = "";
Map<String, String> currentHash = new HashMap<>();
Map<String, Vertex> modConHash = new HashMap<>();
ArrayList <String> vidsTraversed = new ArrayList<>();
Map<String, String> delKeyHash = collectDeleteKeyHash( transId, fromAppId,
firstModElementVertex, incomingTrail, currentHash, vidsTraversed,
0, modConHash,
chkFirstNodePersonaModInvId, chkFirstNodePersonaModVerId );
System.out.println("\n ----DEBUG -----: Delete Hash for model: [" + modelVersionId + "] looks like: ");
for( Map.Entry<String, String> entry : delKeyHash.entrySet() ){
System.out.println("key = [" + entry.getKey() + "], val = [" + entry.getValue() + "]");
}
System.out.println("\n -----");
// Locate the starting node that we'll use to start looking for instance data
Optional<Vertex> result = dbMethHelper.searchVertexByIdentityMap(topNType, startNodeFilterHash);
if (!result.isPresent()) {
throw new AAIException("AAI_6114", "No Node of type " + topNType + " found for properties");
}
Vertex startVtx = result.get();
if( !chkFirstNodePersonaModInvId.equals("") ){
// NOTE: For Service or Resource models, if this is a nodeType that supports persona's, then
// we need to make sure that the start node matches the persona values.
String startVertPersonaModInvId = startVtx.<String>property(addDBAliasedSuffix("model-invariant-id")).orElse(null);
String startVertPersonaModVerId = startVtx.<String>property(addDBAliasedSuffix("model-version-id")).orElse(null);
if( !chkFirstNodePersonaModInvId.equals(startVertPersonaModInvId)
|| !chkFirstNodePersonaModVerId.equals(startVertPersonaModVerId) ){
String msg = "Persona-Model data mismatch for start node (" + topNType + "), " +
startNodeFilterHash ;
throw new AAIException("AAI_6114", msg);
}
}
String topVid = startVtx.id().toString();
// Read the model-ver into a Map for processing
Multimap<String, String> validNextStepMap = genTopoMap4ModelVer(transId, fromAppId,
modelVerVtx, modelVersionId);
// Collect the data
String elementLocationTrail = topNType + personaData;
vidsTraversed = new ArrayList<>();
Map<String,String> emptyHash = new HashMap<>();
// Pass emptyHash for the NQElement hash since that parameter only applies to Named Queries
ResultSet retResSet = collectInstanceData( transId, fromAppId,
startVtx, elementLocationTrail,
validNextStepMap, vidsTraversed, 0, delKeyHash, emptyHash, apiVer );
// Note: the new ResultSet will have each element tagged with the del flag so we'll know if it
// should be deleted or not - so loop through the results in a try-block since some things
// will get auto-deleted by parents before we get to them --- and try to remove each one.
String vidToResCheck = topVid;
retHash = deleteAsNeededFromResultSet( transId, fromAppId, retResSet,
vidToResCheck, apiVer, resVersion, emptyHash );
//String msgStr = "processed deletes for these vids: (\n"+ retHash.keySet().toString() + ").";
return retHash;
}// End of runDeleteByModel()
/**
* Delete as needed from result set.
*
* @param transId the trans id
* @param fromAppId the from app id
* @param resSet the res set
* @param vidToResCheck -- this vertex will need to have its resource-version checked
* @param apiVer the api ver
* @param resVersion the res version
* @param hashSoFar the hash so far -- hash of what's been deleted so far
* @return String
* @throws AAIException the AAI exception
*/
public Map<String,String> deleteAsNeededFromResultSet(String transId, String fromAppId,
ResultSet resSet, String vidToResCheck, String apiVer, String resVersion, Map<String,String> hashSoFar )
throws AAIException
{
Map<String,String> retHash = new HashMap<>();
retHash.putAll( hashSoFar );
Boolean deleteIt = false;
if( resSet.getVert() == null ){
return retHash;
}
Vertex thisVtx = resSet.getVert();
String thisGuyId = "";
String thisNT = "";
String thisGuyStr = "";
Boolean gotVtxOK = false;
try {
if( thisVtx != null ){
thisGuyId = thisVtx.id().toString();
thisNT = thisVtx.<String>property(AAIProperties.NODE_TYPE).orElse(null);
thisGuyStr = thisGuyId + "[" + thisNT + " found at:" + resSet.getLocationInModelSubGraph() + "]";
// NOTE -- will try to set the NodeType to itself to see if the node has been deleted already in
// this transaction. It lets you get properties from nodes being deleted where the
// delete hasn't been committed yet. This check used to be accomplished with a call to
// "vtx.isRemoved()" but that was a Titan-only feature and is not available anymore since
// we no longer use Titan vertices.
// If we don't do this check, we get errors later when we try to delete the node.
thisVtx.property(AAIProperties.NODE_TYPE, thisNT);
gotVtxOK = true;
}
}
catch (Exception ex) {
// Sometimes things have already been deleted by the time we get to them - just log it.
LOGGER.warn("Exception when trying to delete: " + thisGuyStr + ". msg = " + ex.getMessage(), ex);
}
if( !gotVtxOK ){
// The vertex must have already been removed. Just return.
// Note - We need to catch this because the DB sometimes can still have the vtx
// and be able to get its ID but it is flagged internally as removed already.
return retHash;
}
else {
if( resSet.getNewDataDelFlag() != null && resSet.getNewDataDelFlag().equals("T") ){
LOGGER.info(">> will try to delete this one >> " + thisGuyStr);
try {
Boolean requireResourceVersion = false;
if( thisGuyId.equals(vidToResCheck) ){
// This is the one vertex that we want to check the resourceId before deleting
requireResourceVersion = true;
}
this.serializer.delete(thisVtx, resVersion, requireResourceVersion);
}
catch (AAIException ae) {
String errorCode = ae.getErrorObject().getErrorCode();
if ( errorCode.equals("6130") || errorCode.equals("6131") ) {
// They didn't pass the correct resource-version for the top node.
throw ae;
}
else {
String errText = ae.getErrorObject().getErrorText();
String errDetail = ae.getMessage();
LOGGER.warn("Exception when deleting " + thisGuyStr + ". ErrorCode = " + errorCode +
", errorText = " + errText + ", details = " + errDetail);
}
}
catch( Exception e ){
// We'd expect to get a "node not found" here sometimes depending on the order that
// the model has us finding / deleting nodes.
// Ignore the exception - but log it so we can see what happened.
LOGGER.warn("Exception when deleting " + thisGuyStr + e.getMessage(), e);
}
// We can't depend on a thrown exception to tell us if a node was deleted since it may
// have been auto=deleted before this removeAaiNode() call.
// --- Not sure if we would want to check anything here -- because the graph.commit() is done outside of this call.
deleteIt = true;
}
else {
// --- DEBUG ----
System.out.println(">>>>>>> NOT DELETING THIS ONE >>>> " + thisGuyStr );
List<String> retArr = dbMethHelper.getVertexProperties(thisVtx);
for( String info : retArr ){ System.out.println(info); }
// --- DEBUG ----
}
}
// Now call this routine for the sub-resultSets
List <ResultSet> subResultSetList = resSet.getSubResultSet();
Iterator <ResultSet> subResSetIter = subResultSetList.iterator();
while( subResSetIter.hasNext() ){
ResultSet tmpSubResSet = subResSetIter.next();
retHash = deleteAsNeededFromResultSet( transId, fromAppId, tmpSubResSet,
vidToResCheck, apiVer, resVersion, retHash );
}
if( deleteIt ){
retHash.put(thisGuyId, thisGuyStr);
}
return retHash;
}// deleteAsNeededFromResultSet()
/**
* Query by named query (old version).
*
* @param transId the trans id
* @param fromAppId the from app id
* @param namedQueryUuid the named query uuid
* @param startNodeFilterArrayOfHashes the start node filter array of hashes --used to locate the first nodes of instance data
* @param apiVer the api ver
* @return resultSet
* @throws AAIException the AAI exception
*/
public List<ResultSet> queryByNamedQuery(String transId, String fromAppId,
String namedQueryUuid,
ArrayList <Map<String,Object>> startNodeFilterArrayOfHashes,
String apiVer )
throws AAIException {
String dummyCutPoint = null;
Map<String,Object> dummySecondaryFilterHash = null;
return queryByNamedQuery( transId, fromAppId,
namedQueryUuid,
startNodeFilterArrayOfHashes,
apiVer,
dummyCutPoint,
dummySecondaryFilterHash );
}
/**
* Query by named query.
*
* @param transId the trans id
* @param fromAppId the from app id
* @param namedQueryUuid the named query uuid
* @param startNodeFilterArrayOfHashes the start node filter array of hashes --used to locate the first nodes of instance data
* @param apiVer the api ver
* @param secondaryCutPoint nodeType where we will prune if secondary filter is not met
* @param secondaryFilterHash secondary filter params
* @return resultSet
* @throws AAIException the AAI exception
*/
public List<ResultSet> queryByNamedQuery(String transId, String fromAppId,
String namedQueryUuid,
List<Map<String,Object>> startNodeFilterArrayOfHashes,
String apiVer,
String secondaryFilterCutPoint,
Map<String,Object> secondaryFilterHash )
throws AAIException {
final String transId_f = transId;
final String fromAppId_f = fromAppId;
final String namedQueryUuid_f = namedQueryUuid;
final List<Map<String,Object>> startNodeFilterArrayOfHashes_f = startNodeFilterArrayOfHashes;
final String apiVer_f = apiVer;
final String secondaryFilterCutPoint_f = secondaryFilterCutPoint;
final Map<String,Object> secondaryFilterHash_f = secondaryFilterHash;
// Find out what our time-limit should be
int timeLimitSec = 0;
String timeLimitString = AAIConfig.get("aai.model.query.timeout.sec");
if( timeLimitString != null && !timeLimitString.equals("") ){
try {
timeLimitSec = Integer.parseInt(timeLimitString);
}
catch ( Exception nfe ){
// Don't worry, we will leave the limit as zero - which tells us not to use it.
}
}
if( timeLimitSec <= 0 ){
// We will NOT be using a timer
return queryByNamedQuery_Timed( transId, fromAppId,
namedQueryUuid,
startNodeFilterArrayOfHashes,
apiVer,
secondaryFilterCutPoint_f,
secondaryFilterHash_f );
}
List<ResultSet> resultList = new ArrayList<>();
TimeLimiter limiter = new SimpleTimeLimiter();
try {
resultList = limiter.callWithTimeout(new Callable <List<ResultSet>>() {
public List<ResultSet> call() throws AAIException {
return queryByNamedQuery_Timed( transId_f, fromAppId_f,
namedQueryUuid_f,
startNodeFilterArrayOfHashes_f,
apiVer_f,
secondaryFilterCutPoint_f,
secondaryFilterHash_f );
}
}, timeLimitSec, TimeUnit.SECONDS, true);
}
catch (AAIException ae) {
// Re-throw AAIException so we get can tell what happened internally
throw ae;
}
catch (UncheckedTimeoutException ute) {
throw new AAIException("AAI_6140", "Query Processing Limit exceeded. (limit = " + timeLimitSec + " seconds)");
}
catch (Exception e) {
throw new AAIException("AAI_6128", "Unexpected exception in queryByNamedQuery(): " + e.getMessage() );
}
return resultList;
}
/**
* Query by named query timed.
*
* @param transId the trans id
* @param fromAppId the from app id
* @param namedQueryUuid the named query uuid
* @param startNodeFilterArrayOfHashes the start node filter array of hashes --used to locate the first nodes of instance data
* @param apiVer the api ver
* @param secondaryFilterCutPoint the nodeType where we will parse for the secondary Filter
* @param secondaryFilterHash the secondary filter hash
* @return resultSet
* @throws AAIException the AAI exception
*/
public List<ResultSet> queryByNamedQuery_Timed(String transId, String fromAppId,
String namedQueryUuid,
List<Map<String,Object>> startNodeFilterArrayOfHashes,
String apiVer,
String secondaryFilterCutPoint,
Map<String,Object> secondaryFilterHash
)
throws AAIException {
// Locate the Query to be used
Vertex queryVtx = getNodeUsingUniqueId(transId, fromAppId, "named-query",
"named-query-uuid", namedQueryUuid);
// Get the first/top named-query-element used by this query
Iterator<Vertex> vertI = this.traverseIncidentEdges(EdgeType.TREE, queryVtx, "named-query-element");
Vertex firstNqElementVert = null;
int count = 0;
String topNType = "";
while( vertI != null && vertI.hasNext() ){
firstNqElementVert = vertI.next();
count++;
topNType = getNqElementWidgetType( transId, fromAppId, firstNqElementVert, "" );
}
if( count < 1 ){
// A named query must start with a single top element
throw new AAIException("AAI_6133", "No top-node defined for named-query-uuid = [" + namedQueryUuid + "]");
}
else if( count > 1 ){
// A named query should start with a single top element
throw new AAIException("AAI_6133", "More than one top-node defined for named-query-uuid = [" + namedQueryUuid + "]");
}
if( (topNType == null) || topNType.equals("") ){
String msg = "Could not determine the top-node nodeType for Named Query: [" + namedQueryUuid + "]";
throw new AAIException("AAI_6133", msg);
}
// Read the topology into a hash for processing
Multimap<String, String> validNextStepMap = genTopoMap4NamedQ(transId, fromAppId, queryVtx, namedQueryUuid);
List<Vertex> startVertList = new ArrayList<>();
if( startNodeFilterArrayOfHashes.size() == 1 ){
// If there is only one set of startFilter info given, then allow it to possibly not be
// defining just one start node.
Map<String, Object> cleanHash = new HashMap<>();
Map<String, Object> tmpHash = startNodeFilterArrayOfHashes.get(0);
Set <String> propKeySet = tmpHash.keySet();
Iterator<String> propIter = propKeySet.iterator();
Introspector obj = loader.introspectorFromName(topNType);
Set<String> keys = obj.getKeys();
boolean foundIndexedField = false;
int propertiesSet = 0;
while( propIter.hasNext() ){
String oldVtxKey = (String) propIter.next();
String newKey = oldVtxKey;
String [] parts = oldVtxKey.split("\\.");
if( parts.length == 2 ){
newKey = parts[1];
}
Object obVal = tmpHash.get(oldVtxKey);
if (obj.hasProperty(newKey)) {
if (keys.contains(newKey)) {
foundIndexedField = true;
}
obj.setValue(newKey, obVal);
propertiesSet++;
}
}
//we found all the properties in the startNodeType
if (propertiesSet == propKeySet.size()) {
if (foundIndexedField) {
QueryBuilder builder = this.engine.getQueryBuilder().exactMatchQuery(obj);
startVertList = builder.toList();
} else {
//force a filter from aai-node-type
QueryBuilder builder = this.engine.getQueryBuilder().createContainerQuery(obj).exactMatchQuery(obj);
startVertList = builder.toList();
}
} else {
Optional<Vertex> tmpVtx = dbMethHelper.searchVertexByIdentityMap(topNType, startNodeFilterArrayOfHashes.get(0));
// Only found one, so just use it.
if (tmpVtx.isPresent()) {
startVertList.add(tmpVtx.get());
}
}
}
else {
// Since they give an array of startNodeFilterHash info, we expect each one
// to just point to one node.
for( int i = 0; i < startNodeFilterArrayOfHashes.size(); i++ ){
// Locate the starting node for each set of data
Optional<Vertex> tmpVtx = dbMethHelper.searchVertexByIdentityMap(topNType, startNodeFilterArrayOfHashes.get(i));
if (tmpVtx.isPresent()) {
startVertList.add(tmpVtx.get());
}
}
}
if (startVertList.isEmpty()) {
throw new AAIException("AAI_6114", "No Node of type " + topNType + " found for properties");
}
// Make sure they're not bringing back too much data
String maxString = AAIConfig.get("aai.model.query.resultset.maxcount");
if( maxString != null && !maxString.equals("") ){
int maxSets = Integer.parseInt(maxString);
if( startVertList.size() > maxSets ){
String msg = " Query returns " + startVertList.size() + " resultSets. Max allowed is: " + maxSets;
throw new AAIException("AAI_6141", msg);
}
}
// Loop through each start node and get its data
List<ResultSet> resSetList = new ArrayList<>();
for( int i = 0; i < startVertList.size(); i++ ){
Vertex startVtx = startVertList.get(i);
// Collect the data
String elementLocationTrail = topNType;
ArrayList <String> vidsTraversed = new ArrayList<>();
Map<String,String> emptyDelKeyHash = new HashMap<>(); // Does not apply to Named Queries
// Get the mapping of namedQuery elements to our widget topology for this namedQuery
String incomingTrail = "";
Map<String, String> currentHash = new HashMap<>();
Map<String,String> namedQueryElementHash = collectNQElementHash( transId, fromAppId,
firstNqElementVert, incomingTrail, currentHash, vidsTraversed, 0 );
vidsTraversed = new ArrayList<>();
ResultSet tmpResSet = collectInstanceData( transId, fromAppId,
startVtx, elementLocationTrail,
validNextStepMap, vidsTraversed, 0, emptyDelKeyHash, namedQueryElementHash, apiVer );
resSetList.add(tmpResSet);
}
// If a secondary filter was defined, we will prune the collected instance data result set(s) based on it.
List<ResultSet> prunedResSetList = new ArrayList<>();
if( resSetList != null && !resSetList.isEmpty() ){
for( int i = 0; i < resSetList.size(); i++ ){
if( secondaryFilterCutPoint == null || secondaryFilterCutPoint.equals("") || secondaryFilterHash == null ){
// They didn't want to do any pruning, so just use the results we already had
prunedResSetList.add(resSetList.get(i));
}
else {
ResultSet tmpResSet = pruneResultSet(resSetList.get(i), secondaryFilterCutPoint, secondaryFilterHash);
if( tmpResSet != null ){
prunedResSetList.add(tmpResSet);
}
}
}
}
// Since a NamedQuery can mark some nodes as "do-not-display", we need to collapse our resultSet so
// does not display those nodes.
List<ResultSet> collapsedResSetList = new ArrayList<>();
if( prunedResSetList != null && !prunedResSetList.isEmpty() ){
for( int i = 0; i < prunedResSetList.size(); i++ ){
// Note - a single resultSet could be collapsed into many smaller ones if they
// marked all the "top" node-elements as do-not-output. Ie. the query may
// have had a top-node of "generic-vnf" which joins down to different l-interfaces.
// If they only want to see the l-interfaces, then a single result set
// would be "collapsed" into many separate resultSets - each of which is
// just a single l-interface.
List<ResultSet> tmpResSetList = collapseForDoNotOutput(prunedResSetList.get(i));
if( tmpResSetList != null && !tmpResSetList.isEmpty() ){
for( int x = 0; x < tmpResSetList.size(); x++ ){
//showResultSet( tmpResSetList.get(x), 0 ); //DEBUG-- this was just for testing
collapsedResSetList.add(tmpResSetList.get(x));
}
}
}
}
return collapsedResSetList;
}// End of queryByNamedQuery()
/**
* Prune a result set as per a secondary filter.
*
* @param resSetVal the res set val
* @param cutPoint the nodeType where the trim will happen
* @param secFilterHash hash of properties and values to use as the secondary filter
* @return pruned result set
* @throws AAIException the AAI exception
*/
public ResultSet pruneResultSet(ResultSet resSetVal, String cutPointType, Map<String,Object> secFilterHash )
throws AAIException {
// Given a ResultSet and some secondary filter info, do pruning as needed
ResultSet pResSet = new ResultSet();
// For this ResultSet, we will see if we are on a node of the type that is our cutPoint;
// then only keep it if we peek "below" and see a match for our filter.
String nt = resSetVal.getVert().<String>property(AAIProperties.NODE_TYPE).orElse(null);
if( nt != null && nt.equals(cutPointType) ){
// We are on the type of node that may need to be "pruned" along with it's sub-results
if( ! satisfiesFilters(resSetVal, secFilterHash) ){
// Return an empty result set since we are pruning at this level.
return pResSet;
}
}
// If we made it to here, we will not be pruning at this level, so we will
// be returning a copy of this resultSet that has it's subResults pruned (as needed).
pResSet.setVert(resSetVal.getVert());
pResSet.setDoNotOutputFlag(resSetVal.getDoNotOutputFlag());
pResSet.setExtraPropertyHash(resSetVal.getExtraPropertyHash());
pResSet.setLocationInModelSubGraph(resSetVal.getLocationInModelSubGraph());
pResSet.setNewDataDelFlag(resSetVal.getNewDataDelFlag());
pResSet.setPropertyLimitDesc(resSetVal.getPropertyLimitDesc());
pResSet.setPropertyOverRideHash(resSetVal.getPropertyOverRideHash());
if( !resSetVal.getSubResultSet().isEmpty() ){
ListIterator<ResultSet> listItr = resSetVal.getSubResultSet().listIterator();
List<ResultSet> newSubSetList = new ArrayList<>();
while( listItr.hasNext() ){
ResultSet tmpSubResSet = pruneResultSet( listItr.next(), cutPointType, secFilterHash );
if( tmpSubResSet.getVert() != null ){
// This one wasn't pruned - so keep it.
newSubSetList.add(tmpSubResSet);
}
}
pResSet.setSubResultSet(newSubSetList);
}
return pResSet;
}// End pruneResultSet()
/**
* Satisfies hash of filters.
*
* @param resSet the res set
* @param filterHash the filter hash
* @return true, if successful
* @throws AAIException the AAI exception
*/
public boolean satisfiesFilters(ResultSet resSet, Map<String,Object> filterHash )
throws AAIException {
if( filterHash.isEmpty() ){
// Nothing to look for, so no, we didn't find it.
return false;
}
Iterator <?> it = filterHash.entrySet().iterator();
while( it.hasNext() ){
Map.Entry<?,?> filtEntry = (Map.Entry<?,?>) it.next();
String propNodeTypeDotName = (filtEntry.getKey()).toString();
String fpv = (filtEntry.getValue()).toString();
int periodLoc = propNodeTypeDotName.indexOf(".");
if( periodLoc <= 0 ){
String emsg = "Bad filter param key passed in: [" + propNodeTypeDotName + "]. Expected format = [nodeName.paramName]\n";
throw new AAIException("AAI_6120", emsg);
}
else {
String fnt = propNodeTypeDotName.substring(0,periodLoc);
String fpn = propNodeTypeDotName.substring(periodLoc + 1);
if( filterMetByThisSet( resSet, fnt, fpn, fpv ) ){
//System.out.println(" DEBUG -- satisfied/matched filter: [" + fnt + "|" + fpn + "|" + fpv + "].");
}
else {
//System.out.println(" DEBUG -- NOT satisfied/matched filter: [" + fnt + "|" + fpn + "|" + fpv + "].");
return false;
}
}
}
// Made it through all the filters -- it found what we were looking for.
return true;
}// end of satisfiesFilters()
/**
* Filter met by this set.
*
* @param resSet the res set
* @param filtNodeType the filt node type
* @param filtPropName the filt prop name
* @param filtPropVal the filt prop val
* @return true, if successful
*/
public boolean filterMetByThisSet(ResultSet resSet, String filtNodeType, String filtPropName, String filtPropVal ) {
// Note - we are just looking for a positive match for one filter for this resultSet
// NOTE: we're expecting the filter to have a format like this: "nodeType.parameterName:parameterValue"
Vertex vert = resSet.getVert();
if( vert == null ){
return false;
}
else {
String nt = resSet.getVert().<String>property(AAIProperties.NODE_TYPE).orElse(null);
if( nt.equals( filtNodeType ) ){
if( filtPropName.equals("vertex-id") ){
// vertex-id can't be gotten the same way as other properties
String thisVtxId = vert.id().toString();
if( thisVtxId.equals(filtPropVal) ){
return true;
}
}
else {
Object thisValObj = vert.property(filtPropName).orElse(null);
if( thisValObj != null ){
String thisVal = thisValObj.toString();
if( thisVal.equals(filtPropVal) ){
return true;
}
}
}
}
}
// Didn't find a match at the this level, so check the sets below it meet the criteria
if( resSet.getSubResultSet() != null ){
ListIterator<ResultSet> listItr = resSet.getSubResultSet().listIterator();
while( listItr.hasNext() ){
if( filterMetByThisSet(listItr.next(), filtNodeType, filtPropName, filtPropVal) ){
return true;
}
}
}
return false;
}// end of filterMetByThisSet()
/**
* Collapse for do not output.
*
* @param resSetVal the res set val
* @return the array list
* @throws AAIException the AAI exception
*/
public List<ResultSet> collapseForDoNotOutput(ResultSet resSetVal )
throws AAIException {
// Given a ResultSet -- if it is tagged to NOT be output, then replace it with
// it's sub-ResultSets if it has any.
List<ResultSet> colResultSet = new ArrayList<>();
if( resSetVal.getDoNotOutputFlag().equals("true") ){
// This ResultSet isn't to be displayed, so replace it with it's sub-ResultSets
List<ResultSet> subResList = (ArrayList<ResultSet>) resSetVal.getSubResultSet();
for( int k = 0; k < subResList.size(); k++ ){
List<ResultSet> newSubResList = collapseForDoNotOutput(subResList.get(k));
colResultSet.addAll(newSubResList);
}
}
else {
// This set will be displayed
colResultSet.add(resSetVal);
}
// For each result set now at this level, call this same routine to collapse their sub-resultSets
for( int i = 0; i < colResultSet.size(); i++ ){
List<ResultSet> newSubSet = new ArrayList<>();
List<ResultSet> subResList = (ArrayList<ResultSet>) colResultSet.get(i).getSubResultSet();
for( int n = 0; n < subResList.size(); n++ ){
List<ResultSet> newSubResList = collapseForDoNotOutput(subResList.get(n));
newSubSet.addAll(newSubResList);
}
// Replace the old subResultSet with the collapsed set
colResultSet.get(i).setSubResultSet(newSubSet);
}
return colResultSet;
}// End collapseForDoNotOutput()
/**
* Collect instance data.
*
* @param transId the trans id
* @param fromAppId the from app id
* @param thisLevelElemVtx the element vtx at this level
* @param thisVertsTrail the this verts trail
* @param elementLocationTrail -- trail of nodeTypes that got us here (this element vertex) from the top
* @param validNextStepMap the valid next step map -- hash of valid next steps (node types) for this model
* @param vidsTraversed the vids traversed -- ArrayList of vertexId's that we traversed to get to this point
* @param levelCounter the level counter
* @param delKeyHash -- hashMap of which spots on our topology should be deleted during a modelDelete
* @param namedQueryElementHash - hashMap which maps each spot in our widget topology to the NamedQueryElemment that it maps to
* @param apiVer the api ver
* @return resultSet
* @throws AAIException the AAI exception
*/
public ResultSet collectInstanceData(String transId, String fromAppId,
Vertex thisLevelElemVtx,
String thisVertsTrail,
Multimap<String,String> validNextStepMap,
List<String> vidsTraversed,
int levelCounter,
Map<String,String> delKeyHash, // only applies when collecting data using the default model for delete
Map<String,String> namedQueryElementHash, // only applies to named-query data collecting
String apiVer
) throws AAIException {
levelCounter++;
String thisElemVid = thisLevelElemVtx.id().toString();
if( levelCounter > MAX_LEVELS ) {
throw new AAIException("AAI_6125", "collectInstanceData() has looped across more levels than allowed: " + MAX_LEVELS + ". ");
}
ResultSet rs = new ResultSet();
if( namedQueryElementHash.containsKey(thisVertsTrail) ){
// We're collecting data for a named-query, so need to see if we need to do anything special
String nqElUuid = namedQueryElementHash.get(thisVertsTrail);
Vertex nqElementVtx = getNodeUsingUniqueId(transId, fromAppId, "named-query-element",
"named-query-element-uuid", nqElUuid);
String tmpDoNotShow = nqElementVtx.<String>property("do-not-output").orElse(null);
if( tmpDoNotShow != null && tmpDoNotShow.equals("true") ){
rs.setDoNotOutputFlag("true");
}
if( namedQueryConstraintSaysStop(transId, fromAppId, nqElementVtx, thisLevelElemVtx, apiVer) ){
// There was a property constraint which says they do not want to collect this vertex or whatever
// might be below it. Just return the empty rs here.
return rs;
}
String propLimDesc = nqElementVtx.<String>property("property-limit-desc").orElse(null);
if( (propLimDesc != null) && !propLimDesc.equals("") ){
if (propLimDesc.equalsIgnoreCase("show-all")) {
rs.setPropertyLimitDesc(PropertyLimitDesc.SHOW_ALL);
} else if (propLimDesc.equalsIgnoreCase("show-none")) {
rs.setPropertyLimitDesc(PropertyLimitDesc.SHOW_NONE);
}else if (propLimDesc.equalsIgnoreCase("name-and-keys-only")) {
rs.setPropertyLimitDesc(PropertyLimitDesc.SHOW_NAME_AND_KEYS_ONLY);
}
}
// Look to see if we need to use an Override of the normal properties
Map<String,Object> tmpPropertyOverRideHash = getNamedQueryPropOverRide(transId, fromAppId, nqElementVtx, thisLevelElemVtx, apiVer);
//System.out.println(" DEBUG --- USING this propertyOverride data set on ResSet [" + tmpPropertyOverRideHash.toString() + "]");
rs.setPropertyOverRideHash(tmpPropertyOverRideHash);
// See if we need to look up any "unconnected" data that needs to be associated with this result set
Map<String,Object> tmpExtraPropHash = getNamedQueryExtraDataLookup(transId, fromAppId, nqElementVtx, thisLevelElemVtx, apiVer);
//System.out.println(" DEBUG --- ADDING this EXTRA Lookup data to the ResSet [" + tmpExtraPropHash.toString() + "]");
rs.setExtraPropertyHash(tmpExtraPropHash);
}
rs.setVert(thisLevelElemVtx);
rs.setLocationInModelSubGraph(thisVertsTrail);
if( delKeyHash.containsKey(thisVertsTrail) && delKeyHash.get(thisVertsTrail).equals("T") ){
rs.setNewDataDelFlag("T");
}
else {
rs.setNewDataDelFlag("F");
}
// Use Gremlin-pipeline to just look for edges that go to a valid "next-steps"
Collection <String> validNextStepColl = validNextStepMap.get(thisVertsTrail);
// Because of how we process linkage-points, we may have duplicate node-types in our next-stepMap (for one step)
// So, to keep from looking (and bringing back) the same data twice, we need to make sure our next-steps are unique
Set<String> validNextStepHashSet = new HashSet<>();
Iterator <String> ntcItr = validNextStepColl.iterator();
while( ntcItr.hasNext() ){
String targetStepStr = ntcItr.next();
validNextStepHashSet.add(targetStepStr);
}
List<String> tmpVidsTraversedList = new ArrayList<>();
tmpVidsTraversedList.addAll(vidsTraversed);
tmpVidsTraversedList.add(thisElemVid);
Iterator <String> ntItr = validNextStepHashSet.iterator();
while( ntItr.hasNext() ){
String targetStep = ntItr.next();
// NOTE: NextSteps can either be just a nodeType, or can be a nodeType plus
// model-invariant-id-local and model-version-id-local (the two persona properties)
// if those need to be checked also.
// When the persona stuff is part of the step, it is a comma separated string.
// Ie. "nodeType,model-inv-id-local,model-version-id-local" (the two "persona" props)
//
String targetNodeType = "";
String pmid = "";
String pmv = "";
Boolean stepIsJustNT = true;
if( targetStep.contains(",") ){
stepIsJustNT = false;
String[] pieces = targetStep.split(",");
if( pieces.length != 3 ){
throw new AAIException("AAI_6128", "Unexpected format for nextStep in model processing = ["
+ targetStep + "]. ");
}
else {
targetNodeType = pieces[0];
pmid = pieces[1];
pmv = pieces[2];
}
}
else {
// It's just the nodeType with no other info
targetNodeType = targetStep;
}
GraphTraversal<Vertex, Vertex> modPipe = null;
if( stepIsJustNT ){
modPipe = this.engine.asAdmin().getReadOnlyTraversalSource().V(thisLevelElemVtx).both().has(AAIProperties.NODE_TYPE, targetNodeType);
}
else {
modPipe = this.engine.asAdmin().getReadOnlyTraversalSource().V(thisLevelElemVtx).both().has(AAIProperties.NODE_TYPE, targetNodeType).has(addDBAliasedSuffix("model-invariant-id"),pmid).has(addDBAliasedSuffix("model-version-id"),pmv);
}
if( modPipe == null || !modPipe.hasNext() ){
//System.out.println("DEBUG - didn't find any [" + targetStep + "] connected to this guy (which is ok)");
}
else {
while( modPipe.hasNext() ){
Vertex tmpVert = (Vertex) modPipe.next();
String tmpVid = tmpVert.id().toString();
String tmpTrail = thisVertsTrail + "|" + targetStep;
if( !vidsTraversed.contains(tmpVid) ){
// This is one we would like to use - so we'll include the result set we get for it
ResultSet tmpResSet = collectInstanceData( transId, fromAppId,
tmpVert, tmpTrail,
validNextStepMap, tmpVidsTraversedList,
levelCounter, delKeyHash, namedQueryElementHash, apiVer );
rs.getSubResultSet().add(tmpResSet);
}
}
}
}
return rs;
} // End of collectInstanceData()
/**
* Gen topo map 4 model.
*
* @param transId the trans id
* @param fromAppId the from app id
* @param modelVerVertex the model-ver vertex
* @param modelVerId the model-version-id
* @param loader the db maps
* @return MultiMap of valid next steps for each potential model-element
* @throws AAIException the AAI exception
*/
public Multimap<String, String> genTopoMap4ModelVer(String transId, String fromAppId,
Vertex modelVerVertex, String modelVerId)
throws AAIException {
if( modelVerVertex == null ){
throw new AAIException("AAI_6114", "null modelVerVertex passed to genTopoMap4ModelVer()");
}
Multimap<String, String> initialEmptyMap = ArrayListMultimap.create();
List<String> vidsTraversed = new ArrayList<>();
String modelType = getModelTypeFromModelVer( modelVerVertex, "" );
if( modelType.equals("widget") ){
// A widget model by itself does not have a topoplogy. That is - it has no "model-elements" which
// define how it is connected to other things. All it has is a name which ties it to
// an aai-node-type
Iterator<Vertex> vertI= this.traverseIncidentEdges(EdgeType.TREE, modelVerVertex, "model-element");
if( vertI != null && vertI.hasNext() ){
throw new AAIException("AAI_6132", "Bad Model Definition: Widget Model has a startsWith edge to a model-element. "
+ " model-version-id = " + modelVerId);
}
else {
return initialEmptyMap;
}
}
String firstModelVerId = modelVerVertex.<String>property("model-version-id").orElse(null);
String firstModelVersion = modelVerVertex.<String>property("model-version").orElse(null);
if( firstModelVerId == null || firstModelVerId.equals("") || firstModelVersion == null || firstModelVersion.equals("") ){
throw new AAIException("AAI_6132", "Bad Model Definition: Bad model-version-id or model-version. model-version-id = "
+ modelVerId);
}
Vertex firstElementVertex = getTopElementForSvcOrResModelVer( modelVerVertex, "" );
Vertex firstEleModVerVtx = getModelVerThatElementRepresents( firstElementVertex, "" );
String firstElemModelType = getModelTypeFromModelVer( firstEleModVerVtx, "" );
if( ! firstElemModelType.equals("widget") ){
throw new AAIException("AAI_6132", "Bad Model Definition: First element must correspond to a widget type model. Model UUID = "
+ modelVerId);
}
Vertex firstModVtx = getModelGivenModelVer( modelVerVertex, "" );
String firstModelInvId = firstModVtx.<String>property("model-invariant-id").orElse(null);
if( firstModelInvId == null || firstModelInvId.equals("") ){
throw new AAIException("AAI_6132", "Bad Model Definition: Could not find model.model-invariant-id given model-ver.model-version-id = "
+ modelVerId);
}
Multimap<String, String> collectedMap = collectTopology4ModelVer( transId, fromAppId,
firstElementVertex, "", initialEmptyMap, vidsTraversed, 0, null, firstModelInvId, firstModelVersion );
return collectedMap;
} // End of genTopoMap4ModelVer()
public List<String> makeSureItsAnArrayList( String listStringVal ){
// We're sometimes getting a String back on db properties that should be ArrayList<String>
// Seems to be how they're defined in OXM - whether they use a "xml-wrapper" or not
// Need to translate them into ArrayLists sometimes...
List<String> retArrList = new ArrayList<String>();
String listString = listStringVal;
listString = listString.replace(" ", "");
listString = listString.replace("\"", "");
listString = listString.replace("[", "");
listString = listString.replace("]", "");
String [] pieces = listString.split(",");
if( pieces != null && pieces.length > 0 ){
for( int i = 0; i < pieces.length; i++ ){
retArrList.add(pieces[i]);
}
}
return retArrList;
}
/**
* Gets the mod constraint hash.
*
* @param modelElementVtx the model element vtx
* @param currentHash -- the current ModelConstraint's that this routine will add to if it finds any.
* @return HashMap of model-constraints that will be looked at for this model-element and what's "below" it.
* @throws AAIException the AAI exception
*/
public Map<String, Vertex> getModConstraintHash(Vertex modelElementVtx, Map<String, Vertex> currentHash )
throws AAIException {
// For a given model-element vertex, look to see if there are any "model-constraint" elements that is has
// an OUT "uses" edge to. If it does, then get any "constrained-element-set" nodes that are pointed to
// by the "model-constraint". That will be the replacement "constrained-element-set". The UUID of the
// "constrained-element-set" that it is supposed to replace is found in the property:
// model-constraint.constrained-element-set-uuid-to-replace
//
// For now, that is the only type of model-constraint allowed, so that is all we will look for.
// Pass back any of these "constrained-element-set" nodes along with any that were passed in by
// the "currentHash" parameter.
if( modelElementVtx == null ){
String msg = " null modelElementVtx passed to getModConstraintHash() ";
throw new AAIException("AAI_6114", msg);
}
String modelType = modelElementVtx.<String>property(AAIProperties.NODE_TYPE).orElse(null);
if( modelType == null || (!modelType.equals("model-element")) ){
String msg = " getModConstraintHash() called with wrong type model: [" + modelType + "]. ";
throw new AAIException("AAI_6114", msg);
}
Map<String, Vertex> thisHash = new HashMap<>();
if( currentHash != null ){
thisHash.putAll(currentHash);
}
int count = 0;
List<Vertex> modelConstraintArray = new ArrayList<>();
Iterator<Vertex> vertI = this.traverseIncidentEdges(EdgeType.TREE, modelElementVtx, "model-constraint");
while( vertI != null && vertI.hasNext() ){
Vertex tmpVert = vertI.next();
String connectToType = tmpVert.<String>property(AAIProperties.NODE_TYPE).orElse(null);
if( (connectToType != null) && connectToType.equals("model-constraint") ){
// We need to find the constrained element set pointed to by this and add it to the Hash to return
modelConstraintArray.add(tmpVert);
count++;
}
}
if( count > 0 ) {
for( int i = 0; i < count; i++ ){
Vertex vtxOfModelConstraint = modelConstraintArray.get(i);
String uuidOfTheOneToBeReplaced = vtxOfModelConstraint.<String>property("constrained-element-set-uuid-2-replace").orElse(null);
// We have the UUID of the constrained-element-set that will be superseded, now find the
// constrained-element-set to use in its place
Iterator<Vertex> mvertI = this.traverseIncidentEdges(EdgeType.TREE, vtxOfModelConstraint, "constrained-element-set");
while( mvertI != null && mvertI.hasNext() ){
// There better only be one...
Vertex tmpVert = mvertI.next();
String connectToType = tmpVert.<String>property(AAIProperties.NODE_TYPE).orElse(null);
if( (connectToType != null) && connectToType.equals("constrained-element-set") ){
// This is the "constrained-element-set" that we want to use as the Replacement
thisHash.put(uuidOfTheOneToBeReplaced, tmpVert );
}
}
}
return thisHash;
}
else {
// Didn't find anything to add, so just return what they passed in.
return currentHash;
}
} // End of getModConstraintHash()
/**
* Gets the top element vertex for service or resource model.
*
* @param modelVerVtx the model-ver vertex
* @return first element pointed to by this model-ver
* @throws AAIException the AAI exception
*/
public Vertex getTopElementForSvcOrResModelVer(Vertex modelVerVtx, String trail )
throws AAIException {
// For a "resource" or "service" type model, return the "top" element in that model
if( modelVerVtx == null ){
String msg = " null modelVertex passed to getTopoElementForSvcOrResModelVer() at [" + trail + "]. ";
throw new AAIException("AAI_6114", msg);
}
String modelVerId = modelVerVtx.<String>property("model-version-id").orElse(null);
if( modelVerId == null ){
String nt = modelVerVtx.<String>property(AAIProperties.NODE_TYPE).orElse(null);
if( nt != null && !nt.equals("model-ver") ){
String msg = "Illegal model defined: model element pointing to nodeType: ["
+ nt + "], should be pointing to: [model-ver] at [" + trail + "]. ";
throw new AAIException("AAI_6132", msg);
}
}
Vertex firstElementVertex = null;
Iterator<Vertex> vertI = this.traverseIncidentEdges(EdgeType.TREE, modelVerVtx, "model-element");
int elCount = 0;
while( vertI != null && vertI.hasNext() ){
elCount++;
firstElementVertex = vertI.next();
}
if( elCount > 1 ){
String msg = "Illegal model defined: More than one first element defined for model-ver-id = " +
modelVerId + " at [" + trail + "]. ";
throw new AAIException("AAI_6132", msg);
}
if( firstElementVertex == null ){
String msg = "Could not find first model element for model-ver-id = "
+ modelVerId + " at [" + trail + "]. ";
throw new AAIException("AAI_6132", msg);
}
return firstElementVertex;
} // End of getTopElementForSvcOrResModelVer()
/**
* Gets the named query prop over ride.
*
* @param transId the trans id
* @param fromAppId the from app id
* @param namedQueryElementVertex the named query element vertex
* @param instanceVertex the instance vertex
* @param apiVer the api ver
* @return HashMap of alternate properties to return for this element
* @throws AAIException the AAI exception
*/
public Map<String,Object> getNamedQueryPropOverRide(String transId, String fromAppId,
Vertex namedQueryElementVertex, Vertex instanceVertex, String apiVer )
throws AAIException {
// If this model-element says that they want an alternative set of properties returned, then pull that
// data out of the instance vertex.
Map<String,Object> altPropHash = new HashMap<>();
if( namedQueryElementVertex == null ){
String msg = " null namedQueryElementVertex passed to getNamedQueryPropOverRide() ";
throw new AAIException("AAI_6114", msg);
}
List<String> propCollectList = new ArrayList<>();
Iterator <VertexProperty<Object>> vpI = namedQueryElementVertex.properties("property-collect-list");
while( vpI.hasNext() ){
propCollectList.add((String)vpI.next().value());
}
for( int i = 0; i < propCollectList.size(); i++ ){
String thisPropName = propCollectList.get(i);
Object instanceVal = instanceVertex.<Object>property(thisPropName).orElse(null);
altPropHash.put(thisPropName, instanceVal);
}
return altPropHash;
} // End of getNamedQueryPropOverRide()
/**
* Named query constraint says stop.
*
* @param transId the trans id
* @param fromAppId the from app id
* @param namedQueryElementVertex the named query element vertex
* @param instanceVertex the instance vertex
* @param apiVer the api ver
* @return true - if a constraint was defined that has not been met by the passed instanceVertex
* @throws AAIException the AAI exception
*/
public Boolean namedQueryConstraintSaysStop(String transId, String fromAppId,
Vertex namedQueryElementVertex, Vertex instanceVertex, String apiVer )
throws AAIException {
// For each (if any) property-constraint defined for this named-query-element, we will evaluate if
// the constraint is met or not-met. if there are constraints and any are not-met, then
// we return "true".
if( namedQueryElementVertex == null ){
String msg = " null namedQueryElementVertex passed to namedQueryConstraintSaysStop() ";
throw new AAIException("AAI_6114", msg);
}
if( instanceVertex == null ){
String msg = " null instanceVertex passed to namedQueryConstraintSaysStop() ";
throw new AAIException("AAI_6114", msg);
}
Iterator<Vertex> constrPipe = this.traverseIncidentEdges(EdgeType.TREE, namedQueryElementVertex, "property-constraint");
if( constrPipe == null || !constrPipe.hasNext() ){
// There's no "property-constraint" defined for this named-query-element. No problem.
return false;
}
while( constrPipe.hasNext() ){
Vertex constrVtx = (Vertex) constrPipe.next();
// We found a property constraint that we will need to check
String conType = constrVtx.<String>property("constraint-type").orElse(null);
if( (conType == null) || conType.equals("")){
String msg = " Bad property-constraint (constraint-type) found in Named Query definition. ";
throw new AAIException("AAI_6133", msg);
}
String propName = constrVtx.<String>property("property-name").orElse(null);
if( (propName == null) || propName.equals("")){
String msg = " Bad property-constraint (property-name) found in Named Query definition. ";
throw new AAIException("AAI_6133", msg);
}
String propVal = constrVtx.<String>property("property-value").orElse(null);
if( (propVal == null) || propVal.equals("")){
String msg = " Bad property-constraint (propVal) found in Named Query definition. ";
throw new AAIException("AAI_6133", msg);
}
// See if that constraint is met or not
String val = instanceVertex.<String>property(propName).orElse(null);
if( val == null ){
val = "";
}
if( conType.equals("EQUALS") ){
if( !val.equals(propVal) ){
// This constraint was not met
return true;
}
}
else if( conType.equals("NOT-EQUALS") ){
if( val.equals(propVal) ){
// This constraint was not met
return true;
}
}
else {
String msg = " Bad property-constraint (constraint-type) found in Named Query definition. ";
throw new AAIException("AAI_6133", msg);
}
}
return false;
} // End of namedQueryConstraintSaysStop()
/**
* Gets the named query extra data lookup.
*
* @param transId the trans id
* @param fromAppId the from app id
* @param namedQueryElementVertex the named query element vertex
* @param instanceVertex the instance vertex
* @param apiVer the api ver
* @return HashMap of alternate properties to return for this element
* @throws AAIException the AAI exception
*/
public Map<String,Object> getNamedQueryExtraDataLookup(String transId, String fromAppId,
Vertex namedQueryElementVertex, Vertex instanceVertex, String apiVer )
throws AAIException {
// For each (if any) related-lookup defined for this named-query-element, we will go and
// and try to find it. All the related-lookup data will get put in a hash and returned.
if( namedQueryElementVertex == null ){
String msg = " null namedQueryElementVertex passed to getNamedQueryExtraDataLookup() ";
throw new AAIException("AAI_6114", msg);
}
if( instanceVertex == null ){
String msg = " null instanceVertex passed to getNamedQueryExtraDataLookup() ";
throw new AAIException("AAI_6114", msg);
}
Map<String,Object> retHash = new HashMap<>();
Iterator<Vertex> lookPipe = this.traverseIncidentEdges(EdgeType.TREE, namedQueryElementVertex, "related-lookup");
if( lookPipe == null || !lookPipe.hasNext() ){
// There's no "related-lookup" defined for this named-query-element. No problem.
return retHash;
}
while( lookPipe.hasNext() ){
Vertex relLookupVtx = (Vertex) lookPipe.next();
// We found a related-lookup record to try and use
String srcProp = relLookupVtx.<String>property("source-node-property").orElse(null);
String srcNodeType = relLookupVtx.<String>property("source-node-type").orElse(null);
srcProp = getPropNameWithAliasIfNeeded(srcNodeType, srcProp);
if( (srcProp == null) || srcProp.equals("")){
String msg = " Bad related-lookup (source-node-property) found in Named Query definition. ";
throw new AAIException("AAI_6133", msg);
}
String targetNodeType = relLookupVtx.<String>property("target-node-type").orElse(null);
if( (targetNodeType == null) || targetNodeType.equals("")){
String msg = " Bad related-lookup (targetNodeType) found in Named Query definition. ";
throw new AAIException("AAI_6133", msg);
}
String targetProp = relLookupVtx.<String>property("target-node-property").orElse(null);
targetProp = getPropNameWithAliasIfNeeded(targetNodeType, targetProp);
if( (targetProp == null) || targetProp.equals("")){
String msg = " Bad related-lookup (target-node-property) found in Named Query definition. ";
throw new AAIException("AAI_6133", msg);
}
List<String> propCollectList = new ArrayList<>();
Iterator <VertexProperty<Object>> vpI = relLookupVtx.properties("property-collect-list");
while( vpI.hasNext() ){
propCollectList.add((String)vpI.next().value());
}
// Use the value from the source to see if we can find ONE target record using the
// value from the source
String valFromInstance = instanceVertex.<String>property(srcProp).orElse(null);
if( valFromInstance == null ){
// if there is no key to use to go look up something, we should end it here and just
// note what happened - no need to try to look something up by an empty key
LOGGER.debug("WARNING - the instance data node of type [" + srcNodeType
+ "] did not have a value for property [" + srcProp
+ "], so related-lookup is being abandoned.");
return retHash;
}
Map<String,Object> propHash = new HashMap<String,Object>();
propHash.put(targetProp, valFromInstance);
Optional<Vertex> result = dbMethHelper.locateUniqueVertex(targetNodeType, propHash);
if (!result.isPresent()) {
// If it can't find the lookup node, don't fail, just log that it couldn't be found ---
LOGGER.debug("WARNING - Could not find lookup node that corresponds to nodeType ["
+ targetNodeType + "] propertyName = [" + srcProp
+ "], propVal = [" + valFromInstance
+ "] so related-lookup is being abandoned.");
return retHash;
}
else {
Vertex tmpVtx = result.get();
// Pick up the properties from the target vertex that they wanted us to get
for( int j = 0; j < propCollectList.size(); j++ ){
String tmpPropName = propCollectList.get(j);
tmpPropName = getPropNameWithAliasIfNeeded(targetNodeType, tmpPropName);
Object valObj = tmpVtx.<Object>property(tmpPropName).orElse(null);
String lookupKey = targetNodeType + "." + tmpPropName;
retHash.put(lookupKey, valObj);
}
}
}
return retHash;
} // End of getNamedQueryExtraDataLookup()
/**
* Collect NQ element hash.
*
* @param transId the trans id
* @param fromAppId the from app id
* @param thisLevelElemVtx the element verrtx for this level
* @param incomingTrail the incoming trail -- trail of nodeTypes that got us here (this nq-element vertex) from the top
* @param currentHash the current hash
* @param Map that got us to this point (that we will use as the base of the map we will return)
* @param vidsTraversed the vids traversed -- ArrayList of vertexId's that we traversed to get to this point
* @param levelCounter the level counter
* @return HashMap of all widget-points on a namedQuery topology with the value being the "named-query-element-uuid" for that spot.
* @throws AAIException the AAI exception
*/
public Map<String, String> collectNQElementHash(String transId, String fromAppId,
Vertex thisLevelElemVtx, String incomingTrail,
Map<String,String> currentHash, ArrayList <String> vidsTraversed,
int levelCounter ) throws AAIException {
levelCounter++;
Map<String, String> thisHash = new HashMap<>();
thisHash.putAll(currentHash);
if( levelCounter > MAX_LEVELS ) {
throw new AAIException("AAI_6125", "collectNQElementHash() has looped across more levels than allowed: " + MAX_LEVELS + ". ");
}
String thisGuysTrail = "";
String thisElemVid = thisLevelElemVtx.id().toString();
// Find out what widget (and thereby what aai-node-type) this element represents.
String thisElementNodeType = getNqElementWidgetType( transId, fromAppId, thisLevelElemVtx, incomingTrail );
if( incomingTrail == null || incomingTrail.equals("") ){
// This is the first one
thisGuysTrail = thisElementNodeType;
}
else {
thisGuysTrail = incomingTrail + "|" + thisElementNodeType;
}
vidsTraversed.add(thisElemVid);
String nqElementUuid = thisLevelElemVtx.<String>property("named-query-element-uuid").orElse(null);
if( nqElementUuid == null || nqElementUuid.equals("") ){
String msg = " named-query element UUID not found at trail = [" + incomingTrail + "].";
throw new AAIException("AAI_6133", msg);
}
thisHash.put(thisGuysTrail, nqElementUuid );
// Now go "down" and look at the sub-elements pointed to so we can get their data.
Iterator<Vertex> vertI = this.traverseIncidentEdges(EdgeType.TREE, thisLevelElemVtx, "named-query-element");
while( vertI != null && vertI.hasNext() ){
Vertex tmpVert = vertI.next();
String vid = tmpVert.id().toString();
Map<String,Object> elementHash = new HashMap<String, Object>();
String connectToType = tmpVert.<String>property(AAIProperties.NODE_TYPE).orElse(null);
if( connectToType != null && connectToType.equals("named-query-element") ){
// This is what we would expect
elementHash.put(vid, tmpVert);
}
else {
String msg = " named query element has [connectedTo] edge to improper nodeType= ["
+ connectToType + "] trail = [" + incomingTrail + "].";
throw new AAIException("AAI_6133", msg);
}
for( Map.Entry<String, Object> entry : elementHash.entrySet() ){
Vertex elVert = (Vertex)(entry.getValue());
String tmpElVid = elVert.id().toString();
if( !vidsTraversed.contains(tmpElVid) ){
// This is one we would like to use - so we'll recursively get it's result set to add to ours
Map<String, String> tmpHash = collectNQElementHash( transId, fromAppId,
elVert, thisGuysTrail, currentHash, vidsTraversed, levelCounter);
thisHash.putAll(tmpHash);
}
}
}
return thisHash;
} // End of collectNQElementHash()
/**
* Collect delete key hash.
*
* @param transId the trans id
* @param fromAppId the from app id
* @param thisLevelElemVtx the element vertex at this level
* @param incomingTrail the incoming trail -- trail of nodeTypes that got us here (this vertex) from the top
* @param currentHash the current hash
* @param Map that got us to this point (that we will use as the base of the map we will return)
* @param vidsTraversed the vids traversed ---- ArrayList of vertexId's that we traversed to get to this point
* @param levelCounter the level counter
* @param loader the db maps
* @param modConstraintHash the mod constraint hash
* @param overRideModelId the over ride model id
* @param overRideModelVersionId the over ride model version id
* @return HashMap of all widget-points on a model topology with the value being the "newDataDelFlag" for that spot.
* @throws AAIException the AAI exception
*/
public Map<String, String> collectDeleteKeyHash(String transId, String fromAppId,
Vertex thisLevelElemVtx, String incomingTrail,
Map<String,String> currentHash, ArrayList <String> vidsTraversed,
int levelCounter, Map<String, Vertex> modConstraintHash,
String overRideModelId, String overRideModelVersionId )
throws AAIException {
levelCounter++;
Map<String, String> thisHash = new HashMap<>();
thisHash.putAll(currentHash);
if( levelCounter > MAX_LEVELS ) {
throw new AAIException("AAI_6125", "collectDeleteKeyHash() has looped across more levels than allowed: " + MAX_LEVELS + ". ");
}
String thisGuysTrail = "";
String thisElemVid = thisLevelElemVtx.id().toString();
Map<String, Vertex> modConstraintHash2Use = null;
// If this element represents a resource or service model, then we will replace this element with
// the "top" element of that resource or service model. That model-element already points to its
// topology, so it will graft in that model's topology.
// EXCEPT - if this element has "linkage-points" defined, then we need to do some extra
// processing for how we join to that model and will not try to go any "deeper".
List<String> linkagePtList = new ArrayList<>();
Iterator <VertexProperty<Object>> vpI = thisLevelElemVtx.properties("linkage-points");
// I am not sure why, but since "linkage-points" is an xml-element-wrapper in the OXM definition,
// we get back the whole array of Strings in one String - but still use the "vtx.properties()" to
// get it - but only look at the first thing returned by the iterator.
if( vpI.hasNext() ){
String tmpLinkageThing = (String)vpI.next().value();
linkagePtList = makeSureItsAnArrayList( tmpLinkageThing );
}
if( linkagePtList != null && !linkagePtList.isEmpty() ){
// Whatever this element is - we are connecting to it via a linkage-point
// We will figure out what to do and then return without going any deeper
String elemFlag = thisLevelElemVtx.<String>property("new-data-del-flag").orElse(null);
Set<String> linkageConnectNodeTypes = getLinkageConnectNodeTypes( linkagePtList );
Iterator <?> linkNtIter = linkageConnectNodeTypes.iterator();
String incTrail = "";
if( incomingTrail != null && !incomingTrail.equals("") ){
incTrail = incomingTrail + "|";
}
while( linkNtIter.hasNext() ){
// The 'trail' (or trails) for this element should just be the to the first-contact on the linkage point
String linkTrail = incTrail + linkNtIter.next();
Boolean alreadyTaggedFalse = false;
if( thisHash.containsKey(linkTrail) && thisHash.get(linkTrail).equals("F") ){
// some other path with a matching trail has the deleteFlag set to "F", so we do not want
// to override that since our model code only uses nodeTypes to know where it is - and we
// would rather do less deleting than needed instead of too much deleting.
alreadyTaggedFalse = true;
}
if( elemFlag != null && elemFlag.equals("T") && !alreadyTaggedFalse ){
// This trail should be marked with an "T"
thisHash.put(linkTrail, "T");
}
else {
thisHash.put(linkTrail, "F");
}
}
return thisHash;
}
// ----------------------------------------------------------------------------
// If we got to here, then this was not an element that used a linkage-point
// ----------------------------------------------------------------------------
// Find out what widget-model (and thereby what aai-node-type) this element represents.
// Even if this element is pointing to a service or resource model, it must have a
// first element which is a single widget-type model.
String thisElementNodeType = getModElementWidgetType( thisLevelElemVtx, incomingTrail );
String firstElementModelInfo = "";
vidsTraversed.add(thisElemVid);
Vertex elementVtxForThisLevel = null;
Vertex thisElementsModelVerVtx = getModelVerThatElementRepresents( thisLevelElemVtx, incomingTrail );
Vertex thisElementsModelVtx = getModelGivenModelVer( thisElementsModelVerVtx, incomingTrail );
String modType = getModelTypeFromModel( thisElementsModelVtx, incomingTrail );
String subModelFirstModInvId = thisElementsModelVtx.<String>property("model-invariant-id").orElse(null);
String subModelFirstVerId = thisElementsModelVerVtx.<String>property("model-version-id").orElse(null);
if( modType.equals("widget") ){
if( overRideModelId != null && !overRideModelId.equals("") ){
// Note - this is just to catch the correct model for the TOP node in a model since
// it will have an element which will always be a widget even though the model
// could be a resource or service model.
firstElementModelInfo = "," + overRideModelId + "," + overRideModelVersionId;
}
}
else if( nodeTypeSupportsPersona(thisElementNodeType) ){
firstElementModelInfo = "," + subModelFirstModInvId + "," + subModelFirstVerId;
}
if( incomingTrail.equals("") ){
// This is the first one
thisGuysTrail = thisElementNodeType + firstElementModelInfo;
}
else {
thisGuysTrail = incomingTrail + "|" + thisElementNodeType + firstElementModelInfo;
}
String tmpFlag = "F";
Boolean stoppedByASvcOrResourceModelElement = false;
if( modType.equals("widget") ){
elementVtxForThisLevel = thisLevelElemVtx;
// For the element-model for the widget at this level, record it's delete flag
tmpFlag = elementVtxForThisLevel.<String>property("new-data-del-flag").orElse(null);
}
else {
// For an element that is referring to a resource or service model, we replace
// this element with the "top" element for that resource/service model so that the
// topology of that resource/service model will be included in this topology.
String modelVerId = thisElementsModelVerVtx.<String>property("model-version-id").orElse(null);
if( subModelFirstModInvId == null || subModelFirstModInvId.equals("")
|| subModelFirstVerId == null || subModelFirstVerId.equals("") ){
throw new AAIException("AAI_6132", "Bad Model Definition: Bad model-invariant-id or model-version-id. Model-version-id = " +
modelVerId + ", at [" + incomingTrail + "]");
}
// BUT -- if the model-element HERE at the resource/service level does NOT have
// it's new-data-del-flag set to "T", then we do not need to go down into the
// sub-model looking for delete-able things.
tmpFlag = thisLevelElemVtx.<String>property("new-data-del-flag").orElse(null);
elementVtxForThisLevel = getTopElementForSvcOrResModelVer(thisElementsModelVerVtx, thisGuysTrail);
if( tmpFlag != null && tmpFlag.equals("T") ){
modConstraintHash2Use = getModConstraintHash( thisLevelElemVtx, modConstraintHash );
}
else {
stoppedByASvcOrResourceModelElement = true;
}
// For the element-model for the widget at this level, record it's delete flag
tmpFlag = elementVtxForThisLevel.<String>property("new-data-del-flag").orElse(null);
}
String flag2Use = "F"; // by default we'll use "F" for the delete flag
if( ! stoppedByASvcOrResourceModelElement ){
// Since we haven't been stopped by a resource/service level "F", we can look at the lower level flag
if( thisHash.containsKey(thisGuysTrail) ){
// We've seen this spot in the topology before - do not override the delete flag if the older one is "F"
// We will only over-ride it if the old one was "T" and the new one is "F" (anything but "T")
String oldFlag = thisHash.get(thisGuysTrail);
if( oldFlag.equals("T") && (tmpFlag != null) && tmpFlag.equals("T") ){
// The old flag was "T" and the new flag is also "T"
flag2Use = "T";
}
else {
// the old flag was not "F" - so don't override it
flag2Use = "F";
}
}
else if( (tmpFlag != null) && tmpFlag.equals("T") ){
// We have not seen this one, so we can set it to "T" if that's what it is.
flag2Use = "T";
}
}
thisHash.put(thisGuysTrail, flag2Use);
if( ! stoppedByASvcOrResourceModelElement ){
// Since we haven't been stopped by a resource/service level "F", we will continue to
// go "down" and look at the elements pointed to so we can get their data.
Iterator<Vertex> vertI = this.traverseIncidentEdges(EdgeType.TREE, elementVtxForThisLevel, "model-element", "constrained-element-set");
while( vertI != null && vertI.hasNext() ){
Vertex tmpVert = vertI.next();
String vid = tmpVert.id().toString();
Map<String,Object> elementHash = new HashMap<String, Object>();
String connectToType = tmpVert.<String>property(AAIProperties.NODE_TYPE).orElse(null);
if( connectToType != null && connectToType.equals("model-element") ){
// A nice, regular old model-element
elementHash.put(vid, tmpVert);
}
else if( (connectToType != null) && connectToType.equals("constrained-element-set") ){
// translate the constrained-element-set into a hash of model-element Vertex's
String constrainedElementSetUuid = tmpVert.<String>property("constrained-element-set-uuid").orElse(null);
if( (modConstraintHash2Use != null) && modConstraintHash2Use.containsKey(constrainedElementSetUuid) ){
// This constrained-element-set is being superseded by a different one
Vertex replacementConstraintVert = modConstraintHash.get(constrainedElementSetUuid);
elementHash = getNextStepElementsFromSet( replacementConstraintVert );
// Now that we've found and used the replacement constraint, we don't need to carry it along any farther
modConstraintHash.remove(constrainedElementSetUuid);
}
else {
elementHash = getNextStepElementsFromSet( tmpVert );
}
}
else {
String msg = " model-element has [connectedTo] edge to improper nodeType= ["
+ connectToType + "] trail = [" + incomingTrail + "].";
throw new AAIException("AAI_6132", msg);
}
for( Map.Entry<String, Object> entry : elementHash.entrySet() ){
Vertex elVert = (Vertex)(entry.getValue());
String tmpElVid = elVert.id().toString();
String tmpElNT = getModElementWidgetType( elVert, thisGuysTrail );
check4EdgeRule(tmpElNT, thisElementNodeType);
if( !vidsTraversed.contains(tmpElVid) ){
// This is one we would like to use - so we'll recursively get it's result set to add to ours
Map<String, String> tmpHash = collectDeleteKeyHash( transId, fromAppId,
elVert, thisGuysTrail,
currentHash, vidsTraversed, levelCounter, modConstraintHash2Use,
"", "" );
thisHash.putAll(tmpHash);
}
}
}
}
return thisHash;
} // End of collectDeleteKeyHash()
/**
* Gets the linkage connect node types.
*
* @param linkagePtList the linkage pt list
* @return the linkage connect node types
* @throws AAIException the AAI exception
*/
public Set<String> getLinkageConnectNodeTypes(List<String> linkagePtList )
throws AAIException {
// linkage points are a path from the top of a model to where we link in.
// This method wants to just bring back a list of distinct last items.
// Ie: for the input with these two: "pserver|lag-link|l-interface" and "pserver|p-interface|l-interface"
// it would just return a single item, "l-interface" since both linkage points end in that same node-type.
Set<String> linkPtSet = new HashSet<>();
if( linkagePtList == null ){
String detail = " Bad (null) linkagePtList passed to getLinkageConnectNodeTypes() ";
throw new AAIException("AAI_6125", detail);
}
for( int i = 0; i < linkagePtList.size(); i++ ){
String [] trailSteps = linkagePtList.get(i).split("\\|");
if( trailSteps == null || trailSteps.length == 0 ){
String detail = " Bad incomingTrail passed to getLinkageConnectNodeTypes(): [" + linkagePtList + "] ";
throw new AAIException("AAI_6125", detail);
}
String lastStepNT = trailSteps[trailSteps.length - 1];
linkPtSet.add(lastStepNT);
}
return linkPtSet;
}// End getLinkageConnectNodeTypes()
/**
* Collect topology for model-ver.
*
* @param transId the trans id
* @param fromAppId the from app id
* @param modelElement vertex to collect for
* @param incomingTrail the incoming trail -- trail of nodeTypes/personaInfo that got us here (this vertex) from the top
* @param currentMap the current map -- map that got us to this point (that we will use as the base of the map we will return)
* @param vidsTraversed the vids traversed -- ArrayList of vertexId's that we traversed to get to this point
* @param levelCounter the level counter
* @param loader the db maps
* @param modConstraintHash the mod constraint hash
* @param overRideModelInvId the override model-invariant-id
* @param overRideModelVersionId the override model-version-id
* @return Map of the topology
* @throws AAIException the AAI exception
*/
public Multimap<String, String> collectTopology4ModelVer(String transId, String fromAppId,
Vertex thisLevelElemVtx, String incomingTrail,
Multimap<String,String> currentMap, List<String> vidsTraversed,
int levelCounter, Map<String, Vertex> modConstraintHash,
String overRideModelInvId, String overRideModelVersionId )
throws AAIException {
levelCounter++;
Multimap<String, String> thisMap = ArrayListMultimap.create();
thisMap.putAll(currentMap);
if( levelCounter > MAX_LEVELS ) {
throw new AAIException("AAI_6125", "collectTopology4ModelVer() has looped across more levels than allowed: " + MAX_LEVELS + ". ");
}
String thisGuysTrail = "";
String thisElemVid = thisLevelElemVtx.id().toString();
Map<String, Vertex> modConstraintHash2Use = null;
// If this element represents a resource or service model, then we will replace this element with
// the "top" element of that resource or service model. That model-element already points to its
// topology, so it will graft in that model's topology.
// EXCEPT - if this element defines "linkage-points" defined, then we need to do some extra
// processing for how we join to that model.
// Find out what widget-model (and thereby what aai-node-type) this element represents.
// Even if this element is pointing to a service or resource model, it must have a
// first element which is a single widget-type model.
String firstElementModelInfo = "";
String thisElementNodeType = getModElementWidgetType( thisLevelElemVtx, incomingTrail );
if( nodeTypeSupportsPersona(thisElementNodeType) && overRideModelInvId != null && !overRideModelInvId.equals("") ){
firstElementModelInfo = "," + overRideModelInvId + "," + overRideModelVersionId;
}
Vertex elementVtxForThisLevel = null;
Vertex thisElementsModelVerVtx = getModelVerThatElementRepresents( thisLevelElemVtx, incomingTrail );
String subModelFirstModInvId = "";
String subModelFirstModVerId = "";
String modInfo4Trail = "";
String modType = getModelTypeFromModelVer( thisElementsModelVerVtx, incomingTrail );
if( modType.equals("resource") || modType.equals("service") ){
// For an element that is referring to a resource or service model, we replace this
// this element with the "top" element for that resource/service model so that the
// topology of that resource/service model gets included in this topology.
// -- Note - since that top element of a service or resource model will point to a widget model,
// we have to track what modelId/version it really maps so we can make our recursive call
Vertex thisElementsModelVtx = getModelGivenModelVer(thisElementsModelVerVtx, incomingTrail);
subModelFirstModInvId = thisElementsModelVtx.<String>property("model-invariant-id").orElse(null);
subModelFirstModVerId = thisElementsModelVerVtx.<String>property("model-version-id").orElse(null);
if( nodeTypeSupportsPersona(thisElementNodeType) ){
modInfo4Trail = "," + subModelFirstModInvId + "," + subModelFirstModVerId;
}
String modelVerId = thisElementsModelVerVtx.<String>property("model-version-id").orElse(null);
if( subModelFirstModInvId == null || subModelFirstModInvId.equals("") || subModelFirstModVerId == null || subModelFirstModVerId.equals("") ){
throw new AAIException("AAI_6132", "Bad Model Definition: Bad model-invariant-id or model-version-id. Model-ver-id = " + modelVerId);
}
elementVtxForThisLevel = getTopElementForSvcOrResModelVer(thisElementsModelVerVtx, incomingTrail);
modConstraintHash2Use = getModConstraintHash( thisLevelElemVtx, modConstraintHash );
}
else {
elementVtxForThisLevel = thisLevelElemVtx;
}
if( incomingTrail.equals("") ){
// This is the first one
thisGuysTrail = thisElementNodeType + firstElementModelInfo;
}
else {
thisGuysTrail = incomingTrail + "|" + thisElementNodeType + modInfo4Trail;
}
// We only want to ensure that a particular element does not repeat on a single "branch".
// It could show up on other branches in the case where it is a sub-model which is being
// used in more than one place.
//
List<String> thisTrailsVidsTraversed = new ArrayList <String>();
thisTrailsVidsTraversed.addAll(vidsTraversed);
thisTrailsVidsTraversed.add(thisElemVid);
// Look at the elements pointed to at this level and add on their data
Iterator<Vertex> vertI = this.traverseIncidentEdges(EdgeType.TREE, elementVtxForThisLevel, "model-element", "constrained-element-set");
while( vertI != null && vertI.hasNext() ){
Vertex tmpVert = vertI.next();
String vid = tmpVert.id().toString();
Map<String,Object> elementHash = new HashMap<String, Object>();
String connectToType = tmpVert.<String>property(AAIProperties.NODE_TYPE).orElse(null);
if( connectToType != null && connectToType.equals("model-element") ){
// A nice, regular old model-element
elementHash.put(vid, tmpVert);
}
else if( (connectToType != null) && connectToType.equals("constrained-element-set") ){
// translate the constrained-element-set into a hash of model-element Vertex's
String constrainedElementSetUuid = tmpVert.<String>property("constrained-element-set-uuid").orElse(null);
if( (modConstraintHash2Use != null) && modConstraintHash2Use.containsKey(constrainedElementSetUuid) ){
// This constrained-element-set is being superseded by a different one
Vertex replacementConstraintVert = modConstraintHash.get(constrainedElementSetUuid);
elementHash = getNextStepElementsFromSet( replacementConstraintVert );
// Now that we've found and used the replacement constraint, we don't need to carry it along any farther
modConstraintHash.remove(constrainedElementSetUuid);
}
else {
elementHash = getNextStepElementsFromSet( tmpVert );
}
}
else {
String msg = " model element has [connectedTo] edge to improper nodeType= ["
+ connectToType + "] trail = [" + incomingTrail + "].";
throw new AAIException("AAI_6132", msg);
}
for( Map.Entry<String, Object> entry : elementHash.entrySet() ){
Vertex elVert = (Vertex)(entry.getValue());
String tmpElVid = elVert.id().toString();
String tmpElNT = getModElementWidgetType( elVert, thisGuysTrail );
String tmpElStepName = getModelElementStepName( elVert, thisGuysTrail);
List<String> linkagePtList = new ArrayList <String>();
Iterator <VertexProperty<Object>> vpI = elVert.properties("linkage-points");
// I am not sure why, but since "linkage-points" is an xml-element-wrapper in the OXM definition,
// we get back the whole array of Strings in one String - but still use the "vtx.properties()" to
// get it - but only look at the first thing returned by the iterator.
if( vpI.hasNext() ){
String tmpLinkageThing = (String)vpI.next().value();
linkagePtList = makeSureItsAnArrayList( tmpLinkageThing );
}
if( linkagePtList != null && !linkagePtList.isEmpty() ){
// This is as far as we can go, we will use the linkage point info to define the
// rest of this "trail"
for( int i = 0; i < linkagePtList.size(); i++ ){
Multimap<String, String> tmpMap = collectTopology4LinkagePoint( transId, fromAppId,
linkagePtList.get(i), thisGuysTrail, currentMap);
thisMap.putAll(tmpMap);
}
}
else {
check4EdgeRule(tmpElNT, thisElementNodeType);
thisMap.put(thisGuysTrail, tmpElStepName);
if( !thisTrailsVidsTraversed.contains(tmpElVid) ){
// This is one we would like to use - so we'll recursively get it's result set to add to ours
Multimap<String, String> tmpMap = collectTopology4ModelVer( transId, fromAppId,
elVert, thisGuysTrail,
currentMap, thisTrailsVidsTraversed, levelCounter,
modConstraintHash2Use, subModelFirstModInvId, subModelFirstModVerId );
thisMap.putAll(tmpMap);
}
else {
String modelElementUuid = elVert.<String>property("model-element-uuid").orElse(null);
String msg = "Bad Model Definition: looping model-element (model-element-uuid = [" +
modelElementUuid + "]) found trying to add step: [" + tmpElStepName + "], " +
" on trail = [" + thisGuysTrail + "]. ";
System.out.println( msg );
throw new AAIException("AAI_6132", msg);
}
}
}
}
return thisMap;
} // End of collectTopology4ModelVer()
/**
* Check 4 edge rule.
*
* @param nodeTypeA the node type A
* @param nodeTypeB the node type B
* @param loader the db maps
* @throws AAIException the AAI exception
*/
public void check4EdgeRule( String nodeTypeA, String nodeTypeB) throws AAIException {
// Throw an exception if there is no defined edge rule for this combination of nodeTypes in DbEdgeRules.
final EdgeRules edgeRules = EdgeRules.getInstance();
if( !edgeRules.hasEdgeRule(nodeTypeA, nodeTypeB)
&& !edgeRules.hasEdgeRule(nodeTypeB, nodeTypeA) ){
// There's no EdgeRule for this -- find out if one of the nodeTypes is invalid or if
// they are valid, but there's just no edgeRule for them.
try {
loader.introspectorFromName(nodeTypeA);
} catch (AAIUnknownObjectException e) {
String emsg = " Unrecognized nodeType aa [" + nodeTypeA + "]\n";
throw new AAIException("AAI_6115", emsg);
}
try {
loader.introspectorFromName(nodeTypeB);
} catch (AAIUnknownObjectException e) {
String emsg = " Unrecognized nodeType bb [" + nodeTypeB + "]\n";
throw new AAIException("AAI_6115", emsg);
}
String msg = " No Edge Rule found for this pair of nodeTypes (order does not matter) ["
+ nodeTypeA + "], [" + nodeTypeB + "].";
throw new AAIException("AAI_6120", msg);
}
}
/**
* Collect topology 4 linkage point.
*
* @param transId the trans id
* @param fromAppId the from app id
* @param linkagePointStr -- Note it is in reverse order from where we connect to it.
* @param incomingTrail -- trail of nodeTypes that got us here (this vertex) from the top
* @param currentMap the current map -- that got us to this point (that we will use as the base of the map we will return)
* @param loader the db maps
* @return Map of the topology
* @throws AAIException the AAI exception
*/
public Multimap<String, String> collectTopology4LinkagePoint(String transId, String fromAppId,
String linkagePointStrVal, String incomingTrail, Multimap<String,String> currentMap)
throws AAIException {
Multimap<String, String> thisMap = ArrayListMultimap.create();
thisMap.putAll(currentMap);
String thisGuysTrail = incomingTrail;
// NOTE - "trails" can have multiple parts now since we track persona info for some.
// We just want to look at the node type info - which would be the piece
// before any commas (if there are any).
String [] trailSteps = thisGuysTrail.split("\\|");
if( trailSteps == null || trailSteps.length == 0 ){
throw new AAIException("AAI_6125", "Bad incomingTrail passed to collectTopology4LinkagePoint(): [" + incomingTrail + "] ");
}
String lastStepString = trailSteps[trailSteps.length - 1];
String [] stepPieces = lastStepString.split(",");
String lastStepNT = stepPieces[0];
// It is assumed that the linkagePoint string will be a pipe-delimited string where each
// piece is an AAIProperties.NODE_TYPE. For now, the first thing to connect to is what is on the farthest right.
// Example: linkagePoint = "pserver|p-interface|l-interface" would mean that we're connecting to the l-interface
// but that after that, we connect to a p-interface followed by a pserver.
// It might have been more clear to define it in the other direction, but for now, that is it. (16-07)
String linkagePointStr = linkagePointStrVal;
// We are getting these with more than linkage thing in one string.
// Ie. "pserver|lag-interface|l-interface, pserver|p-interface|l-interface, vlan|l-interface"
linkagePointStr = linkagePointStr.replace("[", "");
linkagePointStr = linkagePointStr.replace("]", "");
linkagePointStr = linkagePointStr.replace(" ", "");
String [] linkage = linkagePointStr.split("\\,");
for( int x = 0; x < linkage.length; x++ ){
lastStepNT = stepPieces[0];
String thisStepNT = "";
String [] linkageSteps = linkage[x].split("\\|");
if( linkageSteps == null || linkageSteps.length == 0 ){
throw new AAIException("AAI_6125", "Bad linkagePointStr passed to collectTopology4LinkagePoint(): [" + linkagePointStr + "] ");
}
for( int i=(linkageSteps.length - 1); i >= 0; i-- ){
thisStepNT = linkageSteps[i];
check4EdgeRule(lastStepNT, thisStepNT);
thisMap.put(thisGuysTrail, thisStepNT);
thisGuysTrail = thisGuysTrail + "|" + thisStepNT;
lastStepNT = thisStepNT;
}
}
return thisMap;
} // End of collectTopology4LinkagePoint()
/**
* Gets the next step elements from set.
*
* @param constrElemSetVtx the constr elem set vtx
* @return Hash of the set of model-elements this set represents
* @throws AAIException the AAI exception
*/
public Map<String,Object> getNextStepElementsFromSet( Vertex constrElemSetVtx )
throws AAIException {
// Take a constrained-element-set and figure out the total set of all the possible elements that it
// represents and return them as a Hash.
Map<String,Object> retElementHash = new HashMap<String, Object>();
if( constrElemSetVtx == null ){
String msg = " getNextStepElementsFromSet() called with null constrElemSetVtx ";
throw new AAIException("AAI_6125", msg);
}
String constrNodeType = constrElemSetVtx.<String>property(AAIProperties.NODE_TYPE).orElse(null);
String constrElemSetUuid = constrElemSetVtx.<String>property("constrained-element-set-uuid").orElse(null);
if( constrNodeType == null || !constrNodeType.equals("constrained-element-set") ){
String msg = " getNextStepElementsFromSet() called with wrong type model: [" + constrNodeType + "]. ";
throw new AAIException("AAI_6125", msg);
}
ArrayList <Vertex> choiceSetVertArray = new ArrayList<Vertex>();
Iterator<Vertex> vertI = this.traverseIncidentEdges(EdgeType.TREE, constrElemSetVtx, "element-choice-set");
int setCount = 0;
while( vertI != null && vertI.hasNext() ){
Vertex choiceSetVertex = vertI.next();
String constrSetType = choiceSetVertex.<String>property(AAIProperties.NODE_TYPE).orElse(null);
if( constrSetType != null && constrSetType.equals("element-choice-set") ){
choiceSetVertArray.add(choiceSetVertex);
setCount++;
}
}
if( setCount == 0 ){
String msg = "No element-choice-set found under constrained-element-set-uuid = " + constrElemSetUuid;
throw new AAIException("AAI_6132", msg);
}
// Loop through each choice-set and grab the model-elements
for( int i = 0; i < setCount; i++ ){
Vertex choiceSetVert = choiceSetVertArray.get(i);
Iterator<Vertex> mVertI = this.traverseIncidentEdges(EdgeType.TREE, choiceSetVert, "model-element");
int elCount = 0;
while( mVertI != null && mVertI.hasNext() ){
Vertex tmpElVertex = mVertI.next();
String elNodeType = tmpElVertex.<String>property(AAIProperties.NODE_TYPE).orElse(null);
if( elNodeType != null && elNodeType.equals("model-element") ){
String tmpVid = tmpElVertex.id().toString();
retElementHash.put(tmpVid, tmpElVertex);
elCount++;
}
else {
// unsupported node type found for this choice-set
String msg = "Unsupported nodeType (" + elNodeType
+ ") found under choice-set under constrained-element-set-uuid = " + constrElemSetUuid;
throw new AAIException("AAI_6132", msg);
}
}
if( elCount == 0 ){
String msg = "No model-elements found in choice-set under constrained-element-set-uuid = " + constrElemSetUuid;
throw new AAIException("AAI_6132", msg);
}
}
return retElementHash;
} // End of getNextStepElementsFromSet()
/**
* Gen topo map 4 named Q.
*
* @param transId the trans id
* @param fromAppId the from app id
* @param queryVertex the query vertex
* @param namedQueryUuid the named query uuid
* @return MultiMap of valid next steps for each potential query-element
* @throws AAIException the AAI exception
*/
public Multimap<String, String> genTopoMap4NamedQ(String transId, String fromAppId,
Vertex queryVertex, String namedQueryUuid )
throws AAIException {
if( queryVertex == null ){
throw new AAIException("AAI_6125", "null queryVertex passed to genTopoMap4NamedQ()");
}
Multimap<String, String> initialEmptyMap = ArrayListMultimap.create();
List<String> vidsTraversed = new ArrayList<>();
Vertex firstElementVertex = null;
Iterator<Vertex> vertI = this.traverseIncidentEdges(EdgeType.TREE, queryVertex, "named-query-element");
int elCount = 0;
while( vertI != null && vertI.hasNext() ){
elCount++;
firstElementVertex = vertI.next();
}
if( elCount > 1 ){
throw new AAIException("AAI_6133", "Illegal query defined: More than one first element defined for = " + namedQueryUuid);
}
if( firstElementVertex == null ){
throw new AAIException("AAI_6114", "Could not find first query element = " + namedQueryUuid);
}
Vertex modVtx = getModelThatNqElementRepresents( firstElementVertex, "" );
String modelType = getModelTypeFromModel( modVtx, "" );
if( ! modelType.equals("widget") ){
throw new AAIException("AAI_6133", "Bad Named Query Definition: First element must correspond to a widget type model. Named Query UUID = "
+ namedQueryUuid);
}
Multimap<String, String> collectedMap = collectTopology4NamedQ( transId, fromAppId,
firstElementVertex, "",
initialEmptyMap, vidsTraversed, 0);
return collectedMap;
} // End of genTopoMap4NamedQ()
/**
* Collect topology 4 named Q.
*
* @param transId the trans id
* @param fromAppId the from app id
* @param thisLevelElemVtx the model element vertex for this level
* @param levelCounter the level counter
* @return resultSet
* @throws AAIException the AAI exception
*/
public Multimap<String, String> collectTopology4NamedQ(String transId, String fromAppId,
Vertex thisLevelElemVtx, String incomingTrail,
Multimap<String,String> currentMap, List<String> vidsTraversed, int levelCounter )
throws AAIException {
levelCounter++;
Multimap<String, String> thisMap = ArrayListMultimap.create();
thisMap.putAll(currentMap);
String thisElemVid = thisLevelElemVtx.id().toString();
if( levelCounter > MAX_LEVELS ) {
throw new AAIException("AAI_6125", "collectModelStructure() has looped across more levels than allowed: " + MAX_LEVELS + ". ");
}
String thisGuysTrail = "";
// find out what widget (and thereby what aai-node-type) this element represents
String thisElementNodeType = getNqElementWidgetType( transId, fromAppId, thisLevelElemVtx, incomingTrail );
if( incomingTrail.equals("") ){
// This is the first one
thisGuysTrail = thisElementNodeType;
}
else {
thisGuysTrail = incomingTrail + "|" + thisElementNodeType;
}
vidsTraversed.add(thisElemVid);
// Look at the elements pointed to at this level and add on their data
Iterator<Vertex> vertI = this.traverseIncidentEdges(EdgeType.TREE, thisLevelElemVtx, "named-query-element");
while( vertI != null && vertI.hasNext() ){
Vertex tmpVert = vertI.next();
String tmpVid = tmpVert.id().toString();
String tmpElNT = getNqElementWidgetType( transId, fromAppId, tmpVert, thisGuysTrail );
thisMap.put(thisGuysTrail, tmpElNT);
if( !vidsTraversed.contains(tmpVid) ){
// This is one we would like to use - so we'll recursively get it's result set to add to ours
Multimap<String, String> tmpMap = collectTopology4NamedQ( transId, fromAppId,
tmpVert, thisGuysTrail,
currentMap, vidsTraversed, levelCounter);
thisMap.putAll(tmpMap);
}
}
return thisMap;
} // End of collectTopology4NamedQ()
/**
* Gets the model that NamedQuery element represents.
*
* @param elementVtx the NQ element vtx
* @param elementTrail the element trail
* @return the model that element represents
* @throws AAIException the AAI exception
*/
public Vertex getModelThatNqElementRepresents(Vertex elementVtx, String elementTrail )
throws AAIException {
// Get the model that a named-query element represents
Vertex modVtx = null;
Iterator<Vertex> mvertI = this.traverseIncidentEdges(EdgeType.COUSIN, elementVtx, "model");
int modCount = 0;
while( mvertI != null && mvertI.hasNext() ){
modCount++;
modVtx = mvertI.next();
}
if( modCount > 1 ){
String msg = "Illegal element defined: More than one model pointed to by a single named-query-element at [" +
elementTrail + "].";
throw new AAIException("AAI_6125", msg);
}
if( modVtx == null ){
String msg = "Bad named-query definition: Could not find model for element. ";
if( !elementTrail.equals("") ){
msg = "Bad named-query definition: Could not find model for named-query-element at [" + elementTrail + "].";
}
throw new AAIException("AAI_6132", msg);
}
String nodeType = modVtx.<String>property(AAIProperties.NODE_TYPE).orElse(null);
if( (nodeType != null) && nodeType.equals("model") ){
return modVtx;
}
else {
String msg = "Illegal Named Query element defined: expecting a 'model', but found 'isA' edge pointing to nodeType = " +
nodeType + "] at [" + elementTrail + "].";
throw new AAIException("AAI_6125", msg);
}
}// getModelThatNqElementRepresents()
/**
* Gets the model-ver that element represents.
*
* @param elementVtx the element vtx
* @param elementTrail the element trail
* @return the model-ver that element represents
* @throws AAIException the AAI exception
*/
public Vertex getModelVerThatElementRepresents(Vertex elementVtx, String elementTrail )
throws AAIException {
// Get the model-ver that an element represents
Vertex modVerVtx = null;
Iterator<Vertex> mvertI = this.traverseIncidentEdges(EdgeType.COUSIN, elementVtx, "model-ver");
int modCount = 0;
while( mvertI != null && mvertI.hasNext() ){
modCount++;
modVerVtx = mvertI.next();
}
if( modCount > 1 ){
String msg = "Illegal element defined: More than one model pointed to by a single element at [" +
elementTrail + "].";
throw new AAIException("AAI_6125", msg);
}
if( modVerVtx == null ){
String msg = "Bad model definition: Could not find model-ver for model-element. ";
if( !elementTrail.equals("") ){
msg = "Bad model definition: Could not find model-VER for model-element at [" + elementTrail + "].";
}
throw new AAIException("AAI_6132", msg);
}
String nodeType = modVerVtx.<String>property(AAIProperties.NODE_TYPE).orElse(null);
if( (nodeType != null) && nodeType.equals("model-ver") ){
return modVerVtx;
}
else {
String msg = "Illegal model-element defined: expecting a 'model-ver', but found 'isA' edge pointing to nodeType = " +
nodeType + "] at [" + elementTrail + "].";
throw new AAIException("AAI_6125", msg);
}
}// getModelVerThatElementRepresents()
/**
* Gets the model that is parent to model-ver node.
*
* @param modVerVtx the model-ver vtx
* @param elementTrail the element trail
* @return the model that element represents
* @throws AAIException the AAI exception
*/
public Vertex getModelGivenModelVer(Vertex modVerVtx, String elementTrail )
throws AAIException {
// Get the parent model for this "model-ver" node
Vertex modVtx = null;
Iterator<Vertex> mvertI = this.traverseIncidentEdges(EdgeType.TREE, modVerVtx, "model");
int modCount = 0;
while( mvertI != null && mvertI.hasNext() ){
modCount++;
modVtx = mvertI.next();
}
if( modCount > 1 ){
String msg = "Illegal model-ver node defined: More than one model points to it with a 'has' edge [" +
elementTrail + "].";
throw new AAIException("AAI_6125", msg);
}
if( modVtx == null ){
String msg = "Bad model-ver node: Could not find parent model. ";
if( !elementTrail.equals("") ){
msg = "Bad model-ver node: Could not find parent model. [" + elementTrail + "].";
}
throw new AAIException("AAI_6132", msg);
}
String nodeType = modVtx.<String>property(AAIProperties.NODE_TYPE).orElse(null);;
if( (nodeType != null) && nodeType.equals("model") ){
// Found what we were looking for.
return modVtx;
}
else {
// Something is amiss
String msg = " Could not find parent model node for model-ver node at [" +
elementTrail + "].";
throw new AAIException("AAI_6125", msg);
}
}// getModelGivenModelVer()
/**
* Gets the model type.
*
* @param modelVtx the model vtx
* @param elementTrail the element trail
* @return the model type
* @throws AAIException the AAI exception
*/
public String getModelTypeFromModel(Vertex modelVtx, String elementTrail )
throws AAIException {
// Get the model-type from a model vertex
if( modelVtx == null ){
String msg = " null modelVtx passed to getModelTypeFromModel() ";
throw new AAIException("AAI_6114", msg);
}
String modelType = modelVtx.<String>property("model-type").orElse(null);
if( (modelType == null) || modelType.equals("") ){
String msg = "Could not find model-type for model encountered at [" + elementTrail + "].";
throw new AAIException("AAI_6132", msg);
}
if( !modelType.equals("widget") && !modelType.equals("resource") && !modelType.equals("service") ){
String msg = "Unrecognized model-type, [" + modelType + "] for model pointed to by element at [" + elementTrail + "].";
throw new AAIException("AAI_6132", msg);
}
return modelType;
}// getModelTypeFromModel()
/**
* Gets the model type given model-ver
*
* @param modelVerVtx the model-ver vtx
* @param elementTrail the element trail
* @return the model type
* @throws AAIException the AAI exception
*/
public String getModelTypeFromModelVer(Vertex modelVerVtx, String elementTrail )
throws AAIException {
// Get the model-type given a model-ver vertex
if( modelVerVtx == null ){
String msg = " null modelVerVtx passed to getModelTypeFromModelVer() ";
throw new AAIException("AAI_6114", msg);
}
Vertex modVtx = getModelGivenModelVer( modelVerVtx, elementTrail );
String modelType = modVtx.<String>property("model-type").orElse(null);
if( (modelType == null) || modelType.equals("") ){
String msg = "Could not find model-type for model encountered at [" + elementTrail + "].";
throw new AAIException("AAI_6132", msg);
}
if( !modelType.equals("widget") && !modelType.equals("resource") && !modelType.equals("service") ){
String msg = "Unrecognized model-type, [" + modelType + "] for model pointed to by element at [" + elementTrail + "].";
throw new AAIException("AAI_6132", msg);
}
return modelType;
}// getModelTypeFromModelVer()
/**
* Gets the model-element step name.
*
* @param elementVtx the model-element vtx
* @param elementTrail the element trail
* @param loader the db maps
* @return the element step name
* @throws AAIException the AAI exception
*/
public String getModelElementStepName(Vertex elementVtx, String elementTrail)
throws AAIException {
// Get the "step name" for a model-element
// Step names look like this for widget-models: AAIProperties.NODE_TYPE
// Step names look like this for resource/service models: "aai-node-type,model-invariant-id,model-version-id"
// NOTE -- if the element points to a resource or service model, then we'll return the
// widget-type of the first element (crown widget) for that model.
String thisElementNodeType = "?";
Vertex modVerVtx = getModelVerThatElementRepresents( elementVtx, elementTrail );
String modelType = getModelTypeFromModelVer( modVerVtx, elementTrail );
if( modelType == null ){
String msg = " could not determine modelType in getModelElementStepName(). elementTrail = [" + elementTrail + "].";
throw new AAIException("AAI_6132", msg);
}
if( modelType.equals("widget") ){
// NOTE: for models that have model-type = "widget", their "model-name" maps directly to aai-node-type
thisElementNodeType = modVerVtx.<String>property("model-name").orElse(null);
if( (thisElementNodeType == null) || thisElementNodeType.equals("") ){
String msg = "Could not find model-name for the widget model pointed to by element at [" + elementTrail + "].";
throw new AAIException("AAI_6132", msg);
}
return thisElementNodeType;
}
else if( modelType.equals("resource") || modelType.equals("service") ){
Vertex modVtx = getModelGivenModelVer( modVerVtx, elementTrail );
String modInvId = modVtx.<String>property("model-invariant-id").orElse(null);
String modVerId = modVerVtx.<String>property("model-version-id").orElse(null);
Vertex relatedTopElementModelVtx = getTopElementForSvcOrResModelVer( modVerVtx, elementTrail );
Vertex relatedModelVtx = getModelVerThatElementRepresents( relatedTopElementModelVtx, elementTrail );
thisElementNodeType = relatedModelVtx.<String>property("model-name").orElse(null);
if( (thisElementNodeType == null) || thisElementNodeType.equals("") ){
String msg = "Could not find model-name for the widget model pointed to by element at [" + elementTrail + "].";
throw new AAIException("AAI_6132", msg);
}
String stepName = "";
if( nodeTypeSupportsPersona(thisElementNodeType) ){
// This nodeType that this resource or service model refers to does support persona-related fields, so
// we will use model-invariant-id and model-version-id as part of the step name.
stepName = thisElementNodeType + "," + modInvId + "," + modVerId;
}
else {
stepName = thisElementNodeType;
}
return stepName;
}
else {
String msg = " Unrecognized model-type = [" + modelType + "] pointed to by element at [" + elementTrail + "].";
throw new AAIException("AAI_6132", msg);
}
}// getModelElementStepName()
/**
* Node type supports persona.
*
* @param nodeType the node type
* @param loader the db maps
* @return the boolean
* @throws AAIException the AAI exception
*/
public Boolean nodeTypeSupportsPersona(String nodeType)
throws AAIException {
if( nodeType == null || nodeType.equals("") ){
return false;
}
Introspector obj = null;
try {
obj = loader.introspectorFromName(nodeType);
} catch (AAIUnknownObjectException e) {
String emsg = " Unrecognized nodeType [" + nodeType + "]\n";
throw new AAIException("AAI_6115", emsg);
}
Collection <String> props4ThisNT = loader.introspectorFromName(nodeType).getProperties();
if( !props4ThisNT.contains(addDBAliasedSuffix("model-invariant-id")) || !props4ThisNT.contains(addDBAliasedSuffix("model-version-id")) ){
return false;
}
else {
return true;
}
}// nodeTypeSupportsPersona()
/**
* Gets a Named Query element's widget type.
*
* @param elementVtx the named-query element vtx
* @param elementTrail the element trail
* @return the element widget type
* @throws AAIException the AAI exception
*/
public String getNqElementWidgetType(String transId, String fromAppId,
Vertex elementVtx, String elementTrail )
throws AAIException {
String thisNqElementWidgetType = "";
// Get the associated node-type for the model pointed to by a named-query-element.
// NOTE -- if the element points to a resource or service model, then we'll return the
// widget-type of the first element (crown widget) for that model.
Vertex modVtx = getModelThatNqElementRepresents( elementVtx, elementTrail );
String modelType = getModelTypeFromModel( modVtx, elementTrail );
if( modelType == null || !modelType.equals("widget") ){
String emsg = " Model Type must be 'widget' for NamedQuery elements. Found [" + modelType + "] at [" +
elementTrail + "]\n";
throw new AAIException("AAI_6132", emsg);
}
else {
// For a Widget model, the nodeType is just mapped to the model-element.model-name
List<Vertex> modVerVtxArr = getModVersUsingModel(transId, fromAppId, modVtx);
if( modVerVtxArr != null && !modVerVtxArr.isEmpty() ){
thisNqElementWidgetType = (modVerVtxArr.get(0)).<String>property("model-name").orElse(null);
}
if( thisNqElementWidgetType == null || thisNqElementWidgetType.equals("") ){
String emsg = " Widget type could not be determined at [" + elementTrail + "]\n";
throw new AAIException("AAI_6132", emsg);
}
else {
return thisNqElementWidgetType;
}
}
}// End getNqElementWidgetType()
/**
* Gets a model-element's top widget type.
*
* @param elementVtx the model element vtx
* @param elementTrail the element trail
* @return the element widget type
* @throws AAIException the AAI exception
*/
public String getModElementWidgetType(Vertex elementVtx, String elementTrail )
throws AAIException {
// Get the associated node-type for the model-ver pointed to by a model-element.
// NOTE -- if the element points to a resource or service model, then we'll return the
// widget-type of the first element (crown widget) for that model.
Vertex modVerVtx = getModelVerThatElementRepresents( elementVtx, elementTrail );
String thisElementNodeType = getModelVerTopWidgetType( modVerVtx, elementTrail );
return thisElementNodeType;
}// End getModElementWidgetType()
/**
* Gets the node using unique identifier
*
* @param transId the trans id
* @param fromAppId the from app id
* @param nodeType the nodeType
* @param idPropertyName the property name of the unique identifier
* @param uniqueIdVal the UUID value
* @return unique vertex found using UUID
* @throws AAIException the AAI exception
*/
public Vertex getNodeUsingUniqueId(String transId, String fromAppId,
String nodeType, String idPropertyName, String uniqueIdVal )
throws AAIException {
// Given a unique identifier, get the Vertex
if( uniqueIdVal == null || uniqueIdVal.equals("") ){
String emsg = " Bad uniqueIdVal passed to getNodeUsingUniqueId(): ["
+ uniqueIdVal + "]\n";
throw new AAIException("AAI_6118", emsg);
}
if( idPropertyName == null || idPropertyName.equals("") ){
String emsg = " Bad idPropertyName passed to getNodeUsingUniqueId(): ["
+ idPropertyName + "]\n";
throw new AAIException("AAI_6118", emsg);
}
if( nodeType == null || nodeType.equals("") ){
String emsg = " Bad nodeType passed to getNodeUsingUniqueId(): ["
+ nodeType + "]\n";
throw new AAIException("AAI_6118", emsg);
}
Vertex uniqVtx = null;
Iterable <?> uniqVerts = null;
uniqVerts = engine.asAdmin().getReadOnlyTraversalSource().V().has(AAIProperties.NODE_TYPE,nodeType).has(idPropertyName,uniqueIdVal).toList();
if( uniqVerts == null ){
String emsg = "Node could not be found for nodeType = [" + nodeType
+ "], propertyName = [" + idPropertyName
+ "], propertyValue = [" + uniqueIdVal + "]\n";
throw new AAIException("AAI_6114", emsg);
}
else {
int count = 0;
Iterator <?> uniqVertsIter = uniqVerts.iterator();
if( !uniqVertsIter.hasNext() ){
String emsg = "Node could not be found for nodeType = [" + nodeType
+ "], propertyName = [" + idPropertyName
+ "], propertyValue = [" + uniqueIdVal + "]\n";
throw new AAIException("AAI_6114", emsg);
}
else {
while( uniqVertsIter.hasNext() ){
count++;
uniqVtx = (Vertex) uniqVertsIter.next();
if( count > 1 ){
String emsg = "More than one node found for nodeType = [" + nodeType
+ "], propertyName = [" + idPropertyName
+ "], propertyValue = [" + uniqueIdVal + "]\n";
throw new AAIException("AAI_6132", emsg);
}
}
}
}
return uniqVtx;
}// End getNodeUsingUniqueId()
/**
* Gets the model-ver nodes using name.
*
* @param transId the trans id
* @param fromAppId the from app id
* @param modelName the model name
* @return the model-ver's that use this name
* @throws AAIException the AAI exception
*/
public List<Vertex> getModelVersUsingName(String transId, String fromAppId,
String modelName )
throws AAIException {
// Given a "model-name", find the model-ver vertices that this maps to
if( modelName == null || modelName.equals("") ){
String emsg = " Bad modelName passed to getModelVersUsingName(): ["
+ modelName + "]\n";
throw new AAIException("AAI_6118", emsg);
}
List<Vertex> retVtxArr = new ArrayList<>();
Iterator<Vertex> modVertsIter = this.engine.asAdmin().getReadOnlyTraversalSource().V().has(AAIProperties.NODE_TYPE,"model-ver").has("model-name",modelName);
if( !modVertsIter.hasNext() ){
String emsg = "Model-ver record(s) could not be found for model-ver data passed. model-name = [" +
modelName + "]\n";
throw new AAIException("AAI_6132", emsg);
}
else {
while( modVertsIter.hasNext() ){
Vertex tmpModelVerVtx = (Vertex) modVertsIter.next();
retVtxArr.add(tmpModelVerVtx);
}
}
return retVtxArr;
}// End getModelVersUsingName()
/**
* Gets the model-ver nodes using model-invariant-id.
*
* @param transId the trans id
* @param fromAppId the from app id
* @param model-invariant-id (uniquely identifies a model)
* @return the model-ver's defined for the corresponding model
* @throws AAIException the AAI exception
*/
public Iterator<Vertex> getModVersUsingModelInvId(String transId, String fromAppId,
String modelInvId )
throws AAIException {
// Given a "model-invariant-id", find the model-ver nodes that this maps to
if( modelInvId == null || modelInvId.equals("") ){
String emsg = " Bad model-invariant-id passed to getModVersUsingModelInvId(): ["
+ modelInvId + "]\n";
throw new AAIException("AAI_6118", emsg);
}
Vertex modVtx = getNodeUsingUniqueId(transId, fromAppId, "model", "model-invariant-id", modelInvId);
List<Vertex> retVtxArr = getModVersUsingModel(transId, fromAppId, modVtx);
if( retVtxArr == null || retVtxArr.isEmpty() ){
String emsg = " Model-ver record(s) could not be found attached to model with model-invariant-id = [" +
modelInvId + "]\n";
throw new AAIException("AAI_6132", emsg);
}
return retVtxArr.iterator();
}// End getModVersUsingModelInvId()
/**
* Gets the model-ver nodes using a model node.
*
* @param transId the trans id
* @param fromAppId the from app id
* @param model vertex
* @return the model-ver's defined for the corresponding model
* @throws AAIException the AAI exception
*/
public List<Vertex> getModVersUsingModel(String transId, String fromAppId,
Vertex modVtx )
throws AAIException {
if( modVtx == null ){
String emsg = " Null model vertex passed to getModVersUsingModel(): ";
throw new AAIException("AAI_6118", emsg);
}
List<Vertex> retVtxArr = new ArrayList<>();
Iterator<Vertex> modVerVertsIter = this.traverseIncidentEdges(EdgeType.TREE, modVtx, "model-ver");
if(!modVerVertsIter.hasNext()){
String modelInvId = modVtx.<String>property("model-invariant-id").orElse(null);
String emsg = "Model-ver record(s) could not be found attached to model with model-invariant-id = [" +
modelInvId + "]\n";
throw new AAIException("AAI_6132", emsg);
}
else {
while( modVerVertsIter.hasNext() ){
Vertex tmpModelVtx = (Vertex) modVerVertsIter.next();
retVtxArr.add(tmpModelVtx);
}
}
return retVtxArr;
}// End getModVersUsingModel()
/**
* Gets the model-version-ids using model-name.
*
* @param transId the trans id
* @param fromAppId the from app id
* @param modelName the model name
* @return the model uuids using name
* @throws AAIException the AAI exception
*/
public List<String> getModelVerIdsUsingName( String transId, String fromAppId,
String modelName )
throws AAIException {
// Given a model-name find the model-ver nodes that it maps to
if( modelName == null || modelName.equals("") ){
String emsg = " Bad modelName passed to getModelVerIdsUsingName(): ["
+ modelName + "]\n";
throw new AAIException("AAI_6118", emsg);
}
List<String> retArr = new ArrayList<>();
Iterator<Vertex> modVerVertsIter = this.engine.asAdmin().getReadOnlyTraversalSource().V().has(AAIProperties.NODE_TYPE,"model-ver").has("model-name",modelName);
if( !modVerVertsIter.hasNext() ){
String emsg = " model-ver record(s) could not be found for model data passed. model-name = [" +
modelName + "]\n";
throw new AAIException("AAI_6114", emsg);
}
else {
while( modVerVertsIter.hasNext() ){
Vertex modelVerVtx = (Vertex) modVerVertsIter.next();
String tmpUuid = modelVerVtx.<String>property("model-version-id").orElse(null);
if( (tmpUuid != null) && !tmpUuid.equals("") && !retArr.contains(tmpUuid) ){
retArr.add(tmpUuid);
}
}
}
if( retArr.isEmpty() ){
String emsg = "No model-ver record found for model-name = ["
+ modelName + "]\n";
throw new AAIException("AAI_6132", emsg);
}
return retArr;
}// End getModelVerIdsUsingName()
/**
* Gets the model top widget type.
*
* @param transId the trans id
* @param fromAppId the from app id
* @param modelVersionId the model-version-id
* @param modelInvId the model-invariant-id
* @param modelName the model-name
* @return the model top widget type
* @throws AAIException the AAI exception
*/
public String getModelVerTopWidgetType( String transId, String fromAppId,
String modelVersionId, String modelInvId, String modelName )
throws AAIException {
// Could be given a model-ver's key info (model-version-id), OR, just a (non-unique) model-name,
// Or just a model-invariant-id (which could have multiple model-ver records under it).
// In any case, they should only map to one single "top" node-type for the first element.
String nodeType = "?";
Iterator<Vertex> modVerVertsIter;
if( modelVersionId != null && !modelVersionId.equals("") ){
// this would be the best - we can just look up the model-ver records directly
modVerVertsIter = this.engine.asAdmin().getReadOnlyTraversalSource().V().has(AAIProperties.NODE_TYPE,"model-ver").has("model-version-id",modelVersionId);
}
else if( modelName != null && !modelName.equals("") ){
modVerVertsIter = this.engine.asAdmin().getReadOnlyTraversalSource().V().has(AAIProperties.NODE_TYPE,"model-ver").has("model-name",modelName);
}
else if( modelInvId != null && !modelInvId.equals("") ){
modVerVertsIter = getModVersUsingModelInvId(transId, fromAppId, modelInvId);
}
else {
String msg = "Neither modelVersionId, modelInvariantId, nor modelName passed to: getModelVerTopWidgetType() ";
throw new AAIException("AAI_6120", msg);
}
if( !modVerVertsIter.hasNext() ){
String emsg = "model-ver record(s) could not be found for model data passed: modelInvariantId = [" + modelInvId +
"], modeVersionId = [" + modelVersionId + "], modelName = [" + modelName + "]\n";
throw new AAIException("AAI_6114", emsg);
}
else {
String lastNT = "";
if( !modVerVertsIter.hasNext() ){
String emsg = "model-ver record(s) could not be found for model data passed: modelInvariantId = [" + modelInvId +
"], modeVersionId = [" + modelVersionId + "], modelName = [" + modelName + "]\n";
throw new AAIException("AAI_6114", emsg);
}
while( modVerVertsIter.hasNext() ){
Vertex tmpModVerVtx = (Vertex) modVerVertsIter.next();
String tmpNT = getModelVerTopWidgetType( tmpModVerVtx, "" );
if( lastNT != null && !lastNT.equals("") ){
if( !lastNT.equals(tmpNT) ){
String emsg = "Different top-node-types (" + tmpNT + ", " + lastNT
+ ") found for model data passed. (" +
" modelVersionId = [" + modelVersionId +
"], modelId = [" + modelInvId +
"], modelName = [" + modelName +
"])\n";
throw new AAIException("AAI_6114", emsg);
}
}
lastNT = tmpNT;
nodeType = tmpNT;
}
}
return nodeType;
}// End getModelVerTopWidgetType()
/**
* Gets the widget type that this model-ver starts with.
*
* @param modVerVtx the model-version vtx
* @param elementTrail the element trail
* @return the widget type of the starting node of this model
* @throws AAIException the AAI exception
*/
public String getModelVerTopWidgetType(Vertex modVerVtx, String elementTrail )
throws AAIException {
// Get the associated nodeType (Ie. aai-node-type / widget-type) for a model-ver.
// NOTE -- if the element points to a resource or service model, then we'll return the
// widget-type of the first element (crown widget) for that model.
String modelType = getModelTypeFromModelVer( modVerVtx, elementTrail );
if( modelType == null ){
String msg = " Could not determine modelType in getModelVerTopWidgetType(). elementTrail = [" + elementTrail + "].";
throw new AAIException("AAI_6132", msg);
}
String thisElementNodeType = "?";
if( modelType.equals("widget") ){
// NOTE: for models that have model-type = "widget", their child model-ver nodes will
// have "model-name" which maps directly to aai-node-type (all model-ver's under one
// model should start with the same widget-type, so we only need to look at one).
thisElementNodeType = modVerVtx.<String>property("model-name").orElse(null);
if( (thisElementNodeType == null) || thisElementNodeType.equals("") ){
String msg = "Could not find model-name for the widget model pointed to by element at [" + elementTrail + "].";
throw new AAIException("AAI_6132", msg);
}
}
else if( modelType.equals("resource") || modelType.equals("service") ){
Vertex relatedTopElementVtx = getTopElementForSvcOrResModelVer( modVerVtx, elementTrail );
Vertex relatedModVerVtx = getModelVerThatElementRepresents( relatedTopElementVtx, elementTrail );
thisElementNodeType = relatedModVerVtx.<String>property("model-name").orElse(null);
if( (thisElementNodeType == null) || thisElementNodeType.equals("") ){
String msg = "Could not find model-name for the widget model pointed to by element at [" + elementTrail + "].";
throw new AAIException("AAI_6132", msg);
}
}
else {
String msg = " Unrecognized model-type = [" + modelType + "] pointed to by element at [" + elementTrail + "].";
throw new AAIException("AAI_6132", msg);
}
return thisElementNodeType;
}// getModelVerTopWidgetType()
/**
* Validate model.
*
* @param transId the trans id
* @param fromAppId the from app id
* @param modelNameVersionId the model name version id
* @param apiVersion the api version
* @throws AAIException the AAI exception
*/
public void validateModel(String transId, String fromAppId, String modelVersionIdVal, String apiVersion )
throws AAIException {
// Note - this will throw an exception if the model either can't be found, or if
// we can't figure out its topology map.
Vertex modelVerVtx = getNodeUsingUniqueId(transId, fromAppId, "model-ver",
"model-version-id", modelVersionIdVal);
if( modelVerVtx == null ){
String msg = " Could not find model-ver with modelVersionId = [" + modelVersionIdVal + "].";
throw new AAIException("AAI_6114", msg);
}
else {
Multimap<String, String> topoMap = genTopoMap4ModelVer( transId, fromAppId,
modelVerVtx, modelVersionIdVal);
String msg = " modelVer [" + modelVersionIdVal + "] topo multiMap looks like: \n[" + topoMap + "]";
System.out.println("INFO -- " + msg );
}
return;
}// End validateModel()
/**
* Validate named query.
*
* @param transId the trans id
* @param fromAppId the from app id
* @param namedQueryUuid the named query uuid
* @param apiVersion the api version
* @throws AAIException the AAI exception
*/
public void validateNamedQuery(String transId, String fromAppId, String namedQueryUuid, String apiVersion )
throws AAIException {
// Note - this will throw an exception if the named query either can't be found, or if
// we can't figure out its topology map.
Vertex nqVtx = getNodeUsingUniqueId(transId, fromAppId, "named-query",
"named-query-uuid", namedQueryUuid);
if( nqVtx == null ){
String msg = " Could not find named-query with namedQueryUuid = [" + namedQueryUuid + "].";
throw new AAIException("AAI_6114", msg);
}
else {
//Multimap<String, String> topoMap = genTopoMap4NamedQ( "junkTransId", "junkFromAppId",
// graph, nqVtx, namedQueryUuid );
//System.out.println("DEBUG -- for test only : --- ");
//System.out.println("DEBUG -- topomap = [" + topoMap + "]");
}
return;
}// End validateNamedQuery()
/**
* Show result set.
*
* @param resSet the res set
* @param levelCount the level count
*/
public void showResultSet(ResultSet resSet, int levelCount ) {
levelCount++;
String propsStr = "";
for( int i= 1; i <= levelCount; i++ ){
propsStr = propsStr + "-";
}
if( resSet.getVert() == null ){
return;
}
String nt = resSet.getVert().<String>property(AAIProperties.NODE_TYPE).orElse(null);
propsStr = propsStr + "[" + nt + "] ";
//propsStr = propsStr + " newDataDelFlag = " + resSet.getNewDataDelFlag() + ", trail = " + resSet.getLocationInModelSubGraph();
//propsStr = propsStr + "limitDesc = [" + resSet.getPropertyLimitDesc() + "]";
propsStr = propsStr + " trail = " + resSet.getLocationInModelSubGraph();
Map<String,Object> overrideHash = resSet.getPropertyOverRideHash();
if( overrideHash != null && !overrideHash.isEmpty() ){
for( Map.Entry<String, Object> entry : overrideHash.entrySet() ){
String propName = entry.getKey();
Object propVal = entry.getValue();
propsStr = propsStr + " [" + propName + " = " + propVal + "]";
}
}
else {
Iterator<VertexProperty<Object>> pI = resSet.getVert().properties();
while( pI.hasNext() ){
VertexProperty<Object> tp = pI.next();
if( ! tp.key().startsWith("aai")
&& ! tp.key().equals("source-of-truth")
//&& ! tp.key().equals("resource-version")
&& ! tp.key().startsWith("last-mod")
)
{
propsStr = propsStr + " [" + tp.key() + " = " + tp.value() + "]";
}
}
}
// Show the "extra" lookup values too
Map<String,Object> extraPropHash = resSet.getExtraPropertyHash();
if( extraPropHash != null && !extraPropHash.isEmpty() ){
for( Map.Entry<String, Object> entry : extraPropHash.entrySet() ){
String propName = entry.getKey();
Object propVal = entry.getValue();
propsStr = propsStr + " [" + propName + " = " + propVal.toString() + "]";
}
}
System.out.println( propsStr );
LOGGER.info(propsStr);
if( !resSet.getSubResultSet().isEmpty() ){
ListIterator<ResultSet> listItr = resSet.getSubResultSet().listIterator();
while( listItr.hasNext() ){
showResultSet( listItr.next(), levelCount );
}
}
}// end of showResultSet()
private Iterator<Vertex> traverseIncidentEdges(EdgeType treeType, Vertex startV, String connectedNodeType) throws AAIUnknownObjectException, AAIException {
QueryBuilder builder = this.engine.getQueryBuilder(startV).createEdgeTraversal(treeType, startV, loader.introspectorFromName(connectedNodeType));
return builder;
}
private Iterator<Vertex> traverseIncidentEdges(EdgeType treeType, Vertex startV, String... connectedNodeType) throws AAIUnknownObjectException, AAIException {
QueryBuilder[] builders = new QueryBuilder[connectedNodeType.length];
for (int i = 0; i < connectedNodeType.length; i++) {
builders[i] = this.engine.getQueryBuilder(startV).createEdgeTraversal(EdgeType.TREE, startV, loader.introspectorFromName(connectedNodeType[i]));
}
QueryBuilder builder = this.engine.getQueryBuilder(startV).union(builders);
return builder;
}
private String addDBAliasedSuffix(String propName) {
return propName + AAIProperties.DB_ALIAS_SUFFIX;
}
protected String getPropNameWithAliasIfNeeded(String nodeType, String propName) throws AAIUnknownObjectException {
String retPropName = propName;
if( loader.introspectorFromName(nodeType).getPropertyMetadata(propName, PropertyMetadata.DB_ALIAS).isPresent() ){
return propName + AAIProperties.DB_ALIAS_SUFFIX;
}
return retPropName;
}
}
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