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refs #1665: Create Accounting Analytics Persistence CouchBase

Browse Source 
https://support.d4science.org/issues/1665

git-svn-id: https://svn.d4science.research-infrastructures.eu/gcube/trunk/accounting/accounting-analytics-persistence-couchbase@126315 82a268e6-3cf1-43bd-a215-b396298e98cf
feature/19115
Luca Frosini 8 years ago
parent aabb04b21c
commit 6dfa180564
2 changed files with 522 additions and 99 deletions
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10
pom.xml
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@ -27,19 +27,19 @@
<dependency>
<groupId>org.gcube.data.publishing</groupId>
<artifactId>document-store-lib</artifactId>
<version>[1.0.0-SNAPSHOT,2.0.0-SNAPSHOT)</version>
<version>[1.1.0-SNAPSHOT,2.0.0-SNAPSHOT)</version>
<scope>provided</scope>
</dependency>
<dependency>
<groupId>org.gcube.accounting</groupId>
<artifactId>accounting-analytics</artifactId>
<version>[1.2.0-SNAPSHOT, 2.0.0-SNAPSHOT)</version>
<artifactId>accounting-lib</artifactId>
<version>[2.2.0-SNAPSHOT, 3.0.0-SNAPSHOT)</version>
<scope>provided</scope>
</dependency>
<dependency>
<groupId>org.gcube.accounting</groupId>
<artifactId>accounting-lib</artifactId>
<version>[2.1.0-SNAPSHOT, 3.0.0-SNAPSHOT)</version>
<artifactId>accounting-analytics</artifactId>
<version>[2.0.0-SNAPSHOT, 3.0.0-SNAPSHOT)</version>
<scope>provided</scope>
</dependency>
<dependency>

611
src/main/java/org/gcube/accounting/analytics/persistence/couchbase/AccountingPersistenceQueryCouchBase.java
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@ -7,26 +7,34 @@ import static com.couchbase.client.java.query.Select.select;
import static com.couchbase.client.java.query.dsl.Expression.s;
import static com.couchbase.client.java.query.dsl.Expression.x;
import java.security.KeyException;
import java.util.ArrayList;
import java.util.Calendar;
import java.util.HashMap;
import java.util.Collection;
import java.util.Comparator;
import java.util.List;
import java.util.Map;
import java.util.Set;
import java.util.SortedMap;
import java.util.SortedSet;
import java.util.TreeMap;
import java.util.TreeSet;
import org.gcube.accounting.analytics.Filter;
import org.gcube.accounting.analytics.Info;
import org.gcube.accounting.analytics.NumberedFilter;
import org.gcube.accounting.analytics.TemporalConstraint;
import org.gcube.accounting.analytics.TemporalConstraint.AggregationMode;
import org.gcube.accounting.analytics.TemporalConstraint.CalendarEnum;
import org.gcube.accounting.analytics.exception.DuplicatedKeyFilterException;
import org.gcube.accounting.analytics.exception.ValueException;
import org.gcube.accounting.analytics.persistence.AccountingPersistenceBackendQuery;
import org.gcube.accounting.analytics.persistence.AccountingPersistenceBackendQueryConfiguration;
import org.gcube.accounting.analytics.persistence.AccountingPersistenceQuery;
import org.gcube.accounting.datamodel.BasicUsageRecord;
import org.gcube.accounting.datamodel.UsageRecord;
import org.gcube.accounting.persistence.AccountingPersistence;
import org.gcube.accounting.persistence.AccountingPersistenceConfiguration;
import org.gcube.common.scope.api.ScopeProvider;
import org.gcube.documentstore.records.AggregatedRecord;
import org.gcube.documentstore.records.Record;
import org.gcube.documentstore.records.RecordUtility;
import org.json.JSONException;
import org.json.JSONObject;
import org.slf4j.Logger;
@ -35,33 +43,39 @@ import org.slf4j.LoggerFactory;
import com.couchbase.client.java.Bucket;
import com.couchbase.client.java.Cluster;
import com.couchbase.client.java.CouchbaseCluster;
import com.couchbase.client.java.document.json.JsonArray;
import com.couchbase.client.java.document.json.JsonObject;
import com.couchbase.client.java.env.CouchbaseEnvironment;
import com.couchbase.client.java.env.DefaultCouchbaseEnvironment;
import com.couchbase.client.java.query.N1qlQueryResult;
import com.couchbase.client.java.query.N1qlQueryRow;
import com.couchbase.client.java.query.dsl.Expression;
import com.couchbase.client.java.query.dsl.path.GroupByPath;
import com.couchbase.client.java.query.dsl.Sort;
import com.couchbase.client.java.query.dsl.path.LimitPath;
import com.couchbase.client.java.view.ViewQuery;
import com.couchbase.client.java.view.ViewResult;
import com.couchbase.client.java.view.ViewRow;
/**
* @author Luca Frosini (ISTI - CNR) http://www.lucafrosini.com/
*
*
*/
public class AccountingPersistenceQueryCouchBase extends AccountingPersistenceBackendQuery {
public class AccountingPersistenceQueryCouchBase implements
AccountingPersistenceBackendQuery {
private static final Logger logger = LoggerFactory
.getLogger(AccountingPersistenceQueryCouchBase.class);
private static final Logger logger = LoggerFactory.getLogger(AccountingPersistenceQueryCouchBase.class);
public static final String URL_PROPERTY_KEY = AccountingPersistenceConfiguration.URL_PROPERTY_KEY;
//public static final String USERNAME_PROPERTY_KEY = AccountingPersistenceConfiguration.USERNAME_PROPERTY_KEY;
// public static final String USERNAME_PROPERTY_KEY =
// AccountingPersistenceConfiguration.USERNAME_PROPERTY_KEY;
public static final String PASSWORD_PROPERTY_KEY = AccountingPersistenceConfiguration.PASSWORD_PROPERTY_KEY;
public static final String BUCKET_NAME_PROPERTY_KEY = "bucketName";
/* The environment configuration */
protected static final CouchbaseEnvironment ENV =
DefaultCouchbaseEnvironment.builder()
.queryEnabled(true)
.build();
protected static final CouchbaseEnvironment ENV = DefaultCouchbaseEnvironment
.builder().queryEnabled(true).build();
protected Cluster cluster;
protected Bucket bucket;
protected String bucketName;
@ -70,7 +84,9 @@ public class AccountingPersistenceQueryCouchBase extends AccountingPersistenceBa
* {@inheritDoc}
*/
@Override
protected void prepareConnection(AccountingPersistenceBackendQueryConfiguration configuration) throws Exception {
public void prepareConnection(
AccountingPersistenceBackendQueryConfiguration configuration)
throws Exception {
String url = configuration.getProperty(URL_PROPERTY_KEY);
// String username = configuration.getProperty(USERNAME_PROPERTY_KEY);
String password = configuration.getProperty(PASSWORD_PROPERTY_KEY);
@ -79,7 +95,7 @@ public class AccountingPersistenceQueryCouchBase extends AccountingPersistenceBa
bucketName = configuration.getProperty(BUCKET_NAME_PROPERTY_KEY);
bucket = cluster.openBucket(bucketName, password);
}
/**
* {@inheritDoc}
*/
@ -88,114 +104,521 @@ public class AccountingPersistenceQueryCouchBase extends AccountingPersistenceBa
cluster.disconnect();
}
protected Calendar getCalendar(JSONObject obj, AggregationMode aggregationMode) throws NumberFormatException, JSONException{
protected Calendar getCalendar(JSONObject obj,
AggregationMode aggregationMode) throws NumberFormatException,
JSONException {
long millis;
if(obj.has(AggregatedRecord.START_TIME)){
if (obj.has(AggregatedRecord.START_TIME)) {
millis = new Long(obj.getString(AggregatedRecord.START_TIME));
logger.trace("The result {} was from an aggregated record. Using {}", obj.toString(), AggregatedRecord.START_TIME);
}else{
logger.trace(
"The result {} was from an aggregated record. Using {}",
obj.toString(), AggregatedRecord.START_TIME);
} else {
millis = new Long(obj.getString(UsageRecord.CREATION_TIME));
logger.trace("The result {} was from single record. Using {}", obj.toString(), UsageRecord.CREATION_TIME);
logger.trace("The result {} was from single record. Using {}",
obj.toString(), UsageRecord.CREATION_TIME);
}
Calendar calendar = TemporalConstraint.getAlignedCalendar(millis, aggregationMode);
logger.trace("{} has been aligned to {}", millis, calendar.getTimeInMillis());
Calendar calendar = TemporalConstraint.getAlignedCalendar(millis,
aggregationMode);
logger.trace("{} has been aligned to {}", millis,
calendar.getTimeInMillis());
return calendar;
}
// private Map<Calendar, Info> selectQuery(
// Class<? extends AggregatedRecord<?, ?>> clz,
// TemporalConstraint temporalConstraint, List<Filter> filters)
// throws Exception {
// // String currentScope = BasicUsageRecord.getScopeFromToken();
// String currentScope = ScopeProvider.instance.get();
// String recordType = clz.newInstance().getRecordType();
//
// Expression expression = x(BasicUsageRecord.SCOPE).eq(s(currentScope));
// expression = expression.and(x(BasicUsageRecord.RECORD_TYPE).eq(
// s(recordType)));
//
// long startTime = temporalConstraint.getAlignedStartTime()
// .getTimeInMillis();
// expression = expression.and(x(AggregatedRecord.START_TIME)
// .gt(startTime).or(
// x(AggregatedRecord.CREATION_TIME).gt(startTime)));
//
// long endTime = temporalConstraint.getAlignedEndTime().getTimeInMillis();
// expression = expression.and(x(AggregatedRecord.END_TIME).lt(endTime))
// .or(x(AggregatedRecord.CREATION_TIME).lt(endTime));
//
// AggregationMode aggregationMode = temporalConstraint
// .getAggregationMode();
// // TODO Aggregate Results
//
// if (filters != null) {
// for (Filter filter : filters) {
// expression = expression.and(x(filter.getKey()).eq(
// s(filter.getValue())));
// }
// }
//
// GroupByPath groupByPath = select("*").from(bucketName)
// .where(expression);
//
// Map<Calendar, Info> map = new HashMap<Calendar, Info>();
//
// N1qlQueryResult result = bucket.query(groupByPath);
// if (!result.finalSuccess()) {
// logger.debug("{} failed : {}",
// N1qlQueryResult.class.getSimpleName(), result.errors());
// return map;
// }
//
// List<N1qlQueryRow> rows = result.allRows();
//
// for (N1qlQueryRow row : rows) {
// try {
// logger.trace("Row : {}", row.toString());
// JsonObject jsonObject = row.value().getObject(bucketName);
// logger.trace("JsonObject : {}", row.toString());
// String recordString = jsonObject.toMap().toString();
// logger.trace("Record String : {}", recordString);
// Record record = RecordUtility.getRecord(recordString);
//
// JSONObject obj = new JSONObject(jsonObject.toString());
// Calendar calendar = getCalendar(obj, aggregationMode);
// if (map.containsKey(calendar)) {
// Info info = map.get(calendar);
// JSONObject value = info.getValue();
// jsonObject.toMap();
// } else {
// map.put(calendar, new Info(calendar, obj));
// }
// } catch (Exception e) {
// logger.warn("Unable to eleborate result for {}", row.toString());
// }
//
// logger.trace("\n\n\n");
// }
//
// return map;
// }
protected Calendar getCalendarFromArray(JsonArray array)
throws JSONException {
boolean startFound = false;
Calendar calendar = Calendar
.getInstance(TemporalConstraint.DEFAULT_TIME_ZONE);
int count = 0;
CalendarEnum[] calendarValues = CalendarEnum.values();
for (int i = 0; i < array.size(); i++) {
try {
int value = array.getInt(i);
int calendarValue = calendarValues[count].getCalendarValue();
if (calendarValue == Calendar.MONTH) {
value--;
}
calendar.set(calendarValue, value);
count++;
startFound = true;
} catch (Exception e) {
/*
logger.trace("The provide value is not an int. {}", array
.get(i).toString());
*/
if (startFound) {
break;
}
}
}
for (int j = count; j < calendarValues.length; j++) {
if (calendarValues[j].getCalendarValue() == Calendar.DAY_OF_MONTH) {
calendar.set(calendarValues[j].getCalendarValue(), 1);
} else {
calendar.set(calendarValues[j].getCalendarValue(), 0);
}
}
return calendar;
}
protected JsonArray getRangeKey(long time, AggregationMode aggregationMode,
boolean wildCard, boolean endKey) throws JSONException {
JsonArray array = JsonArray.create();
Calendar calendar = Calendar.getInstance();
calendar.setTimeInMillis(time);
CalendarEnum[] values = CalendarEnum.values();
if (endKey) {
calendar.add(values[aggregationMode.ordinal()].getCalendarValue(),
1);
}
for (int i = 0; i <= aggregationMode.ordinal(); i++) {
int value = calendar.get(values[i].getCalendarValue());
if (values[i].getCalendarValue() == Calendar.MONTH) {
value = value + 1;
}
array.add(value);
}
if (wildCard) {
array.add("{}");
}
return array;
}
protected static final String MAP_REDUCE__DESIGN = "_design/";
protected static final String MAP_REDUCE_ALL = "all";
/**
* {@inheritDoc}
* Used in the name of map reduce to separate keys used as filter
*/
@Override
protected Map<Calendar, Info> reallyQuery(
@SuppressWarnings("rawtypes") Class<? extends AggregatedRecord> recordClass,
TemporalConstraint temporalConstraint, List<Filter> filters)
protected static final String KEYS_SEPARATOR = "__";
protected String getDesignDocId(
Class<? extends AggregatedRecord<?,?>> recordClass)
throws InstantiationException, IllegalAccessException {
return String.format("%s%s", MAP_REDUCE__DESIGN, recordClass
.newInstance().getRecordType());
}
public static String getMapReduceFunctionName(
Collection<String> collection) {
String reduceFunction = MAP_REDUCE_ALL;
for (String property : collection) {
if (reduceFunction == null) {
reduceFunction = property;
} else {
reduceFunction = reduceFunction + KEYS_SEPARATOR + property;
}
}
return reduceFunction;
}
protected SortedMap<Calendar, Info> mapReduceQuery(
Class<? extends AggregatedRecord<?, ?>> clz,
TemporalConstraint temporalConstraint, List<Filter> filters)
throws Exception {
//String currentScope = BasicUsageRecord.getScopeFromToken();
// String currentScope = BasicUsageRecord.getScopeFromToken();
String currentScope = ScopeProvider.instance.get();
String recordType = recordClass.newInstance().getRecordType();
Expression expression = x(BasicUsageRecord.SCOPE).eq(s(currentScope));
expression = expression.and(x(BasicUsageRecord.RECORD_TYPE).eq(s(recordType)));
long startTime = temporalConstraint.getAlignedStartTime().getTimeInMillis();
expression = expression.and(
x(AggregatedRecord.START_TIME).gt(startTime).
or(x(AggregatedRecord.CREATION_TIME).gt(startTime)));
JsonArray startKey = JsonArray.create();
startKey.add(currentScope);
JsonArray endKey = JsonArray.create();
endKey.add(currentScope);
AggregationMode aggregationMode = temporalConstraint
.getAggregationMode();
long endTime = temporalConstraint.getAlignedEndTime().getTimeInMillis();
expression = expression.and(
x(AggregatedRecord.END_TIME).lt(endTime)).
or(x(AggregatedRecord.CREATION_TIME).lt(endTime));
JsonArray temporalStartKey = getRangeKey(
temporalConstraint.getStartTime(),
aggregationMode, false, false);
JsonArray temporalEndKey = getRangeKey(
temporalConstraint.getEndTime(),
aggregationMode, true, false);
AggregationMode aggregationMode = temporalConstraint.getAggregationMode();
Set<String> recordKeysSet = AccountingPersistenceQuery
.getQuerableKeys(clz.newInstance());
Collection<String> keys = new TreeSet<>();
if(filters!=null){
for(Filter filter : filters){
expression = expression.and(x(filter.getKey()).eq(s(filter.getValue())));
JsonArray filterStartKey = JsonArray.create();
JsonArray filterEndKey = JsonArray.create();
if (filters != null && filters.size() != 0) {
for (Filter filter : filters) {
String filterKey = filter.getKey();
String filterValue = filter.getValue();
if (filterKey != null && filterKey.compareTo("") != 0
&& recordKeysSet.contains(filterKey)) {
if (filterValue != null && filterValue.compareTo("") != 0) {
if (keys.contains(filterKey)) {
throw new DuplicatedKeyFilterException(
"Only one value per Filter key is allowed");
}
filterStartKey.add(filterValue);
filterEndKey.add(filterValue);
keys.add(filterKey);
} else {
throw new KeyException(
String.format("Invalid %s : %s",
Filter.class.getSimpleName(), filter.toString()));
}
} else {
throw new ValueException(String.format("Invalid %s : %s",
Filter.class.getSimpleName(), filter.toString()));
}
}
}
GroupByPath groupByPath = select("*").from(bucketName).where(expression);
// +1 because mode start from 0
// +1 because of scope at the beginning
int scopeDateGroupLevel = aggregationMode.ordinal() + 1 + 1;
int groupLevel = scopeDateGroupLevel;
if (filters != null) {
groupLevel += keys.size();
}
N1qlQueryResult result = bucket.query(groupByPath);
List<N1qlQueryRow> rows = result.allRows();
Map<Calendar, Info> map = new HashMap<Calendar, Info>();
String designDocId = getDesignDocId(clz);
startKey.add(filterStartKey.toList());
startKey.add(temporalStartKey.toList());
endKey.add(filterEndKey.toList());
endKey.add(temporalEndKey.toList());
String viewName = getMapReduceFunctionName(keys);
ViewQuery query = ViewQuery.from(designDocId, viewName);
query.group(true);
query.groupLevel(groupLevel);
for(N1qlQueryRow row : rows){
logger.debug(row.toString());
JsonObject jsonObject = row.value().getObject(bucketName);
Record record = RecordUtility.getRecord(jsonObject.toMap().toString());
JSONObject obj = new JSONObject(jsonObject.toString());
Calendar calendar = getCalendar(obj, aggregationMode);
if(map.containsKey(calendar)){
Info info = map.get(calendar);
JSONObject value = info.getValue();
jsonObject.toMap();
}else{
map.put(calendar, new Info(calendar, obj));
}
query.startKey(startKey);
query.endKey(endKey);
query.descending(false);
logger.trace("Design Doc ID : {}, View Name : {}, "
+ "Group Level : {}, Start Key : {}, End Key : {}",
designDocId, viewName, groupLevel, startKey, endKey);
SortedMap<Calendar, Info> infos = new TreeMap<>();
ViewResult viewResult;
try {
viewResult = bucket.query(query);
} catch (Exception e) {
throw e;
}
return map;
}
for (ViewRow row : viewResult) {
JsonArray array = (JsonArray) row.key();
Calendar calendar = getCalendarFromArray(array);
JsonObject value = (JsonObject) row.value();
JSONObject obj = new JSONObject(value.toString());
/**
* {@inheritDoc}
*/
Info info = new Info(calendar, obj);
infos.put(calendar, info);
}
return infos;
}
@Override
public Set<String> getKeys(Class<? extends AggregatedRecord> recordClass)
public SortedMap<Calendar, Info> getTimeSeries(
Class<? extends AggregatedRecord<?, ?>> clz,
TemporalConstraint temporalConstraint, List<Filter> filters)
throws Exception {
// TODO Auto-generated method stub
return null;
return mapReduceQuery(clz, temporalConstraint, filters);
}
/**
* {@inheritDoc}
*/
@Override
public Set<String> getPossibleValuesForKey(
Class<? extends AggregatedRecord> recordClass, String key)
throws Exception {
public SortedMap<NumberedFilter, SortedMap<Calendar, Info>> getTopValues(
Class<? extends AggregatedRecord<?, ?>> clz,
TemporalConstraint temporalConstraint, List<Filter> filters,
String topKey, String orderingProperty) throws Exception {
// TODO Auto-generated method stub
// SELECT DISTINCT
return null;
}
protected String getQualifiedProperty(String property){
return String.format("%s.%s", bucketName, property);
}
/* (non-Javadoc)
* @see org.gcube.accounting.analytics.persistence.AccountingPersistenceBackendQuery#getPossibleValuesForKey(java.lang.Class, java.lang.String, int)
*/
@SuppressWarnings("deprecation")
@Override
public Set<String> getPossibleValuesForKey(
Class<? extends AggregatedRecord> recordClass, String key, int limit)
throws Exception {
// TODO Auto-generated method stub
return null;
public SortedSet<NumberedFilter> getNextPossibleValues(
Class<? extends AggregatedRecord<?, ?>> clz,
TemporalConstraint temporalConstraint, List<Filter> filters,
String topKey, String orderingProperty) throws Exception {
/*
SELECT
SUM(accounting.dataVolume) as dataVolume,
// SUM(accounting.operationCount) as operationCount,
// Filter List e.g.
accounting.consumerId as consumerId,
accounting.serviceClass as serviceClass,
// topKey e.g
accounting.serviceName as serviceName
FROM accounting
WHERE
accounting.scope="/gcube/devsec" AND
(accounting.recordType="StorageUsageRecord" OR
accounting.usageRecordType="StorageUsageRecord") AND
AND
(accounting.startTime >= temporalConstraint.startTime AND
accounting.endTime >= temporalConstraint.endTime)
// Filter List e.g
AND
accounting.consumerId="luca.frosini" AND
accounting.serviceClass="VREManagement"
// topKey
GROUP BY accounting.serviceName
ORDER BY dataVolume DESC
// ORDER BY operationsCount DESC
LIMIT 10
*/
// String currentScope = BasicUsageRecord.getScopeFromToken();
String currentScope = ScopeProvider.instance.get();
String recordType = clz.newInstance().getRecordType();
if(orderingProperty==null){
orderingProperty = AccountingPersistenceQuery.
getDefaultOrderingProperties(clz);
}
Collection<Expression> selectExpressions = new ArrayList<>();
selectExpressions.add(x("SUM(" + getQualifiedProperty(orderingProperty) + ")").
as(orderingProperty));
selectExpressions.add(x(getQualifiedProperty(topKey)).as(topKey));
Expression whereExpression =
x(getQualifiedProperty(BasicUsageRecord.SCOPE)).
eq(s(currentScope));
whereExpression = whereExpression.and(
x(getQualifiedProperty(BasicUsageRecord.RECORD_TYPE)).
eq(s(recordType)).or(
x(getQualifiedProperty(BasicUsageRecord.USAGE_RECORD_TYPE)).
eq(s(recordType)))
);
long startTime = temporalConstraint.getAlignedStartTime()
.getTimeInMillis();
whereExpression = whereExpression.and(
x(getQualifiedProperty(AggregatedRecord.START_TIME)).gt(startTime).or(
x(getQualifiedProperty(AggregatedRecord.CREATION_TIME)).gt(startTime)));
long endTime = temporalConstraint.getAlignedEndTime().getTimeInMillis();
whereExpression = whereExpression.and(
x(getQualifiedProperty(AggregatedRecord.END_TIME)).lt(endTime)).or(
x(getQualifiedProperty(AggregatedRecord.CREATION_TIME)).lt(endTime));
Set<String> recordKeysSet = AccountingPersistenceQuery
.getQuerableKeys(clz.newInstance());
Collection<String> keys = new TreeSet<>();
if (filters != null && filters.size() != 0) {
for (Filter filter : filters) {
String filterKey = filter.getKey();
String filterValue = filter.getValue();
if (filterKey != null && filterKey.compareTo("") != 0
&& recordKeysSet.contains(filterKey)) {
if (filterValue != null && filterValue.compareTo("") != 0) {
if (keys.contains(filterKey)) {
throw new DuplicatedKeyFilterException(
"Only one value per Filter key is allowed");
}
whereExpression.and(
x(getQualifiedProperty(filterKey)).eq(filterValue));
keys.add(filterKey);
} else {
throw new KeyException(
String.format("Invalid %s : %s",
Filter.class.getSimpleName(), filter.toString()));
}
} else {
throw new ValueException(String.format("Invalid %s : %s",
Filter.class.getSimpleName(), filter.toString()));
}
}
}
Expression[] selectExpressionArray =
new Expression[selectExpressions.size()];
selectExpressions.toArray(selectExpressionArray);
Sort sort = Sort.desc(orderingProperty);
LimitPath path = select(selectExpressionArray).from(bucketName)
.where(whereExpression).groupBy(topKey).orderBy(sort);
logger.debug(path.toString());
Comparator<NumberedFilter> comparator = new Comparator<NumberedFilter>() {
@Override
public int compare(NumberedFilter o1, NumberedFilter o2) {
return - o1.compareTo(o2);
}
};
SortedSet<NumberedFilter> ret = new TreeSet<>(comparator);
N1qlQueryResult result = bucket.query(path);
if (!result.finalSuccess()) {
logger.debug("{} failed : {}",
N1qlQueryResult.class.getSimpleName(), result.errors());
throw new Exception("Query Failed :\n" + result.errors());
}
List<N1qlQueryRow> rows = result.allRows();
for (N1qlQueryRow row : rows) {
try {
logger.trace("Row : {}", row.toString());
JsonObject jsonObject = row.value();
logger.trace("JsonObject : {}", row.toString());
String value = jsonObject.getString(topKey);
Number n = jsonObject.getDouble(orderingProperty);
NumberedFilter numberedFilter =
new NumberedFilter(topKey, value, n, orderingProperty);
ret.add(numberedFilter);
} catch (Exception e) {
logger.warn("Unable to eleborate result for {}", row.toString());
}
logger.trace("\n\n\n");
}
return ret;
}
}