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[DL-Learner SVN] SF.net SVN: dl-learner:[3669] trunk/components-core/src/main/java/org/ dllearner
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From: <lor...@us...> - 2012-04-30 09:04:18
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Revision: 3669
http://dl-learner.svn.sourceforge.net/dl-learner/?rev=3669&view=rev
Author: lorenz_b
Date: 2012-04-30 09:04:11 +0000 (Mon, 30 Apr 2012)
Log Message:
-----------
Changed some queries.
Set timeout to remaining execution time, so all algorithms should hopefully terminate after the given runtime independently from the endpoint runtime.
Modified Paths:
--------------
trunk/components-core/src/main/java/org/dllearner/algorithms/properties/AsymmetricObjectPropertyAxiomLearner.java
trunk/components-core/src/main/java/org/dllearner/algorithms/properties/DisjointObjectPropertyAxiomLearner.java
trunk/components-core/src/main/java/org/dllearner/algorithms/properties/EquivalentDataPropertyAxiomLearner.java
trunk/components-core/src/main/java/org/dllearner/algorithms/properties/InverseFunctionalObjectPropertyAxiomLearner.java
trunk/components-core/src/main/java/org/dllearner/algorithms/properties/InverseObjectPropertyAxiomLearner.java
trunk/components-core/src/main/java/org/dllearner/algorithms/properties/ReflexiveObjectPropertyAxiomLearner.java
trunk/components-core/src/main/java/org/dllearner/algorithms/properties/SymmetricObjectPropertyAxiomLearner.java
trunk/components-core/src/main/java/org/dllearner/algorithms/properties/TransitiveObjectPropertyAxiomLearner.java
trunk/components-core/src/main/java/org/dllearner/core/AbstractAxiomLearningAlgorithm.java
Modified: trunk/components-core/src/main/java/org/dllearner/algorithms/properties/AsymmetricObjectPropertyAxiomLearner.java
===================================================================
--- trunk/components-core/src/main/java/org/dllearner/algorithms/properties/AsymmetricObjectPropertyAxiomLearner.java 2012-04-29 18:39:37 UTC (rev 3668)
+++ trunk/components-core/src/main/java/org/dllearner/algorithms/properties/AsymmetricObjectPropertyAxiomLearner.java 2012-04-30 09:04:11 UTC (rev 3669)
@@ -97,7 +97,7 @@
while(newModel.size() != 0){
model.add(newModel);
// get number of instances of s with <s p o>
- query = "SELECT (COUNT(?s) AS ?total) WHERE {?s <%s> ?o.}";
+ query = "SELECT (COUNT(*) AS ?total) WHERE {?s <%s> ?o.}";
query = query.replace("%s", propertyToDescribe.getURI().toString());
ResultSet rs = executeSelectQuery(query);
QuerySolution qs;
@@ -106,7 +106,7 @@
qs = rs.next();
total = qs.getLiteral("total").getInt();
}
- query = "SELECT (COUNT(?s) AS ?symmetric) WHERE {?s <%s> ?o. ?o <%s> ?s.}";
+ query = "SELECT (COUNT(*) AS ?symmetric) WHERE {?s <%s> ?o. ?o <%s> ?s.}";
query = query.replace("%s", propertyToDescribe.getURI().toString());
rs = executeSelectQuery(query);
int symmetric = 0;
@@ -128,7 +128,7 @@
}
private void runSPARQL1_1_Mode(){
- String query = "SELECT (COUNT(?s) AS ?total) WHERE {?s <%s> ?o.}";
+ String query = "SELECT (COUNT(*) AS ?total) WHERE {?s <%s> ?o.}";
query = query.replace("%s", propertyToDescribe.getURI().toString());
ResultSet rs = executeSelectQuery(query);
QuerySolution qs;
@@ -137,7 +137,7 @@
qs = rs.next();
total = qs.getLiteral("total").getInt();
}
- query = "SELECT (COUNT(?s) AS ?symmetric) WHERE {?s <%s> ?o. ?o <%s> ?s.}";
+ query = "SELECT (COUNT(*) AS ?symmetric) WHERE {?s <%s> ?o. ?o <%s> ?s.}";
query = query.replace("%s", propertyToDescribe.getURI().toString());
rs = executeSelectQuery(query);
int symmetric = 0;
Modified: trunk/components-core/src/main/java/org/dllearner/algorithms/properties/DisjointObjectPropertyAxiomLearner.java
===================================================================
--- trunk/components-core/src/main/java/org/dllearner/algorithms/properties/DisjointObjectPropertyAxiomLearner.java 2012-04-29 18:39:37 UTC (rev 3668)
+++ trunk/components-core/src/main/java/org/dllearner/algorithms/properties/DisjointObjectPropertyAxiomLearner.java 2012-04-30 09:04:11 UTC (rev 3669)
@@ -213,8 +213,9 @@
}
public static void main(String[] args) throws Exception{
- DisjointObjectPropertyAxiomLearner l = new DisjointObjectPropertyAxiomLearner(new SparqlEndpointKS(new SparqlEndpoint(
- new URL("http://dbpedia.aksw.org:8902/sparql"), Collections.singletonList("http://dbpedia.org"), Collections.<String>emptyList())));//.getEndpointDBpediaLiveAKSW()));
+ SparqlEndpoint endpoint = SparqlEndpoint.getEndpointDBpedia();
+// endpoint = new SparqlEndpoint(new URL("http://dbpedia.aksw.org:8902/sparql"), Collections.singletonList("http://dbpedia.org"), Collections.<String>emptyList()));
+ DisjointObjectPropertyAxiomLearner l = new DisjointObjectPropertyAxiomLearner(new SparqlEndpointKS(endpoint));//.getEndpointDBpediaLiveAKSW()));
l.setPropertyToDescribe(new ObjectProperty("http://dbpedia.org/ontology/stateOfOrigin"));
l.setMaxExecutionTimeInSeconds(10);
l.init();
Modified: trunk/components-core/src/main/java/org/dllearner/algorithms/properties/EquivalentDataPropertyAxiomLearner.java
===================================================================
--- trunk/components-core/src/main/java/org/dllearner/algorithms/properties/EquivalentDataPropertyAxiomLearner.java 2012-04-29 18:39:37 UTC (rev 3668)
+++ trunk/components-core/src/main/java/org/dllearner/algorithms/properties/EquivalentDataPropertyAxiomLearner.java 2012-04-30 09:04:11 UTC (rev 3669)
@@ -116,7 +116,7 @@
offset += limit;
- query = String.format(baseQuery, propertyToDescribe.getName(), propertyToDescribe.getName(), limit, offset);
+ query = String.format(baseQuery, propertyToDescribe.getName(), limit, offset);
newModel = executeConstructQuery(query);
}
@@ -184,7 +184,7 @@
public static void main(String[] args) throws Exception{
EquivalentDataPropertyAxiomLearner l = new EquivalentDataPropertyAxiomLearner(new SparqlEndpointKS(SparqlEndpoint.getEndpointDBpediaLiveAKSW()));
l.setPropertyToDescribe(new DatatypeProperty("http://dbpedia.org/ontology/birthDate"));
- l.setMaxExecutionTimeInSeconds(100);
+ l.setMaxExecutionTimeInSeconds(10);
l.init();
l.start();
System.out.println(l.getCurrentlyBestEvaluatedAxioms(5));
Modified: trunk/components-core/src/main/java/org/dllearner/algorithms/properties/InverseFunctionalObjectPropertyAxiomLearner.java
===================================================================
--- trunk/components-core/src/main/java/org/dllearner/algorithms/properties/InverseFunctionalObjectPropertyAxiomLearner.java 2012-04-29 18:39:37 UTC (rev 3668)
+++ trunk/components-core/src/main/java/org/dllearner/algorithms/properties/InverseFunctionalObjectPropertyAxiomLearner.java 2012-04-30 09:04:11 UTC (rev 3669)
@@ -110,7 +110,7 @@
all = qs.getLiteral("all").getInt();
}
// get number of instances of s with <s p o> <s p o1> where o != o1
- query = "SELECT (COUNT(DISTINCT ?s1) AS ?noninversefunctional) WHERE {?s1 <%s> ?o. ?s2 <%s> ?o. FILTER(?s1 != ?s2) }";
+ query = "SELECT (COUNT(DISTINCT ?o) AS ?noninversefunctional) WHERE {?s1 <%s> ?o. ?s2 <%s> ?o. FILTER(?s1 != ?s2) }";
query = query.replace("%s", propertyToDescribe.getURI().toString());
rs = executeSelectQuery(query);
int notInverseFunctional = 1;
@@ -148,7 +148,7 @@
all = qs.getLiteral("all").getInt();
}
// get number of instances of s with <s p o> <s p o1> where o != o1
- query = "SELECT (COUNT(DISTINCT ?s1) AS ?noninversefunctional) WHERE {?s1 <%s> ?o. ?s2 <%s> ?o. FILTER(?s1 != ?s2) }";
+ query = "SELECT (COUNT(DISTINCT ?o) AS ?noninversefunctional) WHERE {?s1 <%s> ?o. ?s2 <%s> ?o. FILTER(?s1 != ?s2) }";
query = query.replace("%s", propertyToDescribe.getURI().toString());
rs = executeSelectQuery(query);
int notInverseFunctional = 1;
@@ -168,8 +168,7 @@
}
public static void main(String[] args) throws Exception{
- SparqlEndpointKS ks = new SparqlEndpointKS(new SparqlEndpoint(
- new URL("http://dbpedia.aksw.org:8902/sparql"), Collections.singletonList("http://dbpedia.org"), Collections.<String>emptyList()));
+ SparqlEndpointKS ks = new SparqlEndpointKS(SparqlEndpoint.getEndpointDBpediaLiveAKSW());
InverseFunctionalObjectPropertyAxiomLearner l = new InverseFunctionalObjectPropertyAxiomLearner(ks);
l.setPropertyToDescribe(new ObjectProperty("http://dbpedia.org/ontology/profession"));
l.setMaxExecutionTimeInSeconds(10);
Modified: trunk/components-core/src/main/java/org/dllearner/algorithms/properties/InverseObjectPropertyAxiomLearner.java
===================================================================
--- trunk/components-core/src/main/java/org/dllearner/algorithms/properties/InverseObjectPropertyAxiomLearner.java 2012-04-29 18:39:37 UTC (rev 3668)
+++ trunk/components-core/src/main/java/org/dllearner/algorithms/properties/InverseObjectPropertyAxiomLearner.java 2012-04-30 09:04:11 UTC (rev 3669)
@@ -96,7 +96,7 @@
while(newModel.size() != 0){
model.add(newModel);
// get number of instances of s with <s p o>
- query = "SELECT (COUNT(?s) AS ?total) WHERE {?s <%s> ?o.}";
+ query = "SELECT (COUNT(*) AS ?total) WHERE {?s <%s> ?o.}";
query = query.replace("%s", propertyToDescribe.getURI().toString());
ResultSet rs = executeSelectQuery(query);
QuerySolution qs;
@@ -106,7 +106,7 @@
total = qs.getLiteral("total").getInt();
}
- query = String.format("SELECT ?p (COUNT(?s) AS ?cnt) WHERE {?s <%s> ?o. ?o ?p ?s.} GROUP BY ?p", propertyToDescribe.getName());
+ query = String.format("SELECT ?p (COUNT(*) AS ?cnt) WHERE {?s <%s> ?o. ?o ?p ?s.} GROUP BY ?p", propertyToDescribe.getName());
rs = executeSelectQuery(query);
while(rs.hasNext()){
qs = rs.next();
@@ -121,7 +121,7 @@
}
private void runSPARQL1_1_Mode(){
- String query = "SELECT (COUNT(?s) AS ?total) WHERE {?s <%s> ?o.}";
+ String query = "SELECT (COUNT(*) AS ?total) WHERE {?s <%s> ?o.}";
query = query.replace("%s", propertyToDescribe.getURI().toString());
ResultSet rs = executeSelectQuery(query);
QuerySolution qs;
@@ -131,7 +131,7 @@
total = qs.getLiteral("total").getInt();
}
- query = String.format("SELECT ?p (COUNT(?s) AS ?cnt) WHERE {?s <%s> ?o. ?o ?p ?s.} GROUP BY ?p", propertyToDescribe.getName());
+ query = String.format("SELECT ?p (COUNT(*) AS ?cnt) WHERE {?s <%s> ?o. ?o ?p ?s.} GROUP BY ?p", propertyToDescribe.getName());
rs = executeSelectQuery(query);
while(rs.hasNext()){
qs = rs.next();
@@ -146,14 +146,10 @@
SparqlEndpointKS ks = new SparqlEndpointKS(new SparqlEndpoint(
new URL("http://dbpedia.aksw.org:8902/sparql"), Collections.singletonList("http://dbpedia.org"), Collections.<String>emptyList()));//.getEndpointDBpediaLiveAKSW()));
- SPARQLReasoner reasoner = new SPARQLReasoner(ks);
- reasoner.prepareSubsumptionHierarchy();
-
InverseObjectPropertyAxiomLearner l = new InverseObjectPropertyAxiomLearner(ks);
- l.setReasoner(reasoner);
l.setPropertyToDescribe(new ObjectProperty("http://dbpedia.org/ontology/officialLanguage"));
- l.setMaxExecutionTimeInSeconds(10);
+ l.setMaxExecutionTimeInSeconds(100);
// l.setReturnOnlyNewAxioms(true);
l.init();
l.start();
Modified: trunk/components-core/src/main/java/org/dllearner/algorithms/properties/ReflexiveObjectPropertyAxiomLearner.java
===================================================================
--- trunk/components-core/src/main/java/org/dllearner/algorithms/properties/ReflexiveObjectPropertyAxiomLearner.java 2012-04-29 18:39:37 UTC (rev 3668)
+++ trunk/components-core/src/main/java/org/dllearner/algorithms/properties/ReflexiveObjectPropertyAxiomLearner.java 2012-04-30 09:04:11 UTC (rev 3669)
@@ -97,7 +97,7 @@
while(newModel.size() != 0){
model.add(newModel);
// get fraction of instances s with <s p s>
- query = "SELECT (COUNT(?s) AS ?total) WHERE {?s <%s> ?o.}";
+ query = "SELECT (COUNT(DISTINCT ?s) AS ?total) WHERE {?s <%s> ?o.}";
query = query.replace("%s", propertyToDescribe.getURI().toString());
ResultSet rs = executeSelectQuery(query);
QuerySolution qs;
@@ -106,7 +106,7 @@
qs = rs.next();
total = qs.getLiteral("total").getInt();
}
- query = "SELECT (COUNT(?s) AS ?reflexive) WHERE {?s <%s> ?s.}";
+ query = "SELECT (COUNT(DISTINCT ?s) AS ?reflexive) WHERE {?s <%s> ?s.}";
query = query.replace("%s", propertyToDescribe.getURI().toString());
rs = executeSelectQuery(query);
int reflexive = 0;
@@ -130,7 +130,7 @@
private void runSPARQL1_1_Mode() {
// get fraction of instances s with <s p s>
- String query = "SELECT (COUNT(?s) AS ?total) WHERE {?s <%s> ?o.}";
+ String query = "SELECT (COUNT(DISTINCT ?s) AS ?total) WHERE {?s <%s> ?o.}";
query = query.replace("%s", propertyToDescribe.getURI().toString());
ResultSet rs = executeSelectQuery(query);
QuerySolution qs;
@@ -139,7 +139,7 @@
qs = rs.next();
total = qs.getLiteral("total").getInt();
}
- query = "SELECT (COUNT(?s) AS ?reflexive) WHERE {?s <%s> ?s.}";
+ query = "SELECT (COUNT(DISTINCT ?s) AS ?reflexive) WHERE {?s <%s> ?s.}";
query = query.replace("%s", propertyToDescribe.getURI().toString());
rs = executeSelectQuery(query);
int reflexive = 0;
Modified: trunk/components-core/src/main/java/org/dllearner/algorithms/properties/SymmetricObjectPropertyAxiomLearner.java
===================================================================
--- trunk/components-core/src/main/java/org/dllearner/algorithms/properties/SymmetricObjectPropertyAxiomLearner.java 2012-04-29 18:39:37 UTC (rev 3668)
+++ trunk/components-core/src/main/java/org/dllearner/algorithms/properties/SymmetricObjectPropertyAxiomLearner.java 2012-04-30 09:04:11 UTC (rev 3669)
@@ -96,7 +96,7 @@
while(newModel.size() != 0){
model.add(newModel);
// get number of instances of s with <s p o>
- query = "SELECT (COUNT(?s) AS ?total) WHERE {?s <%s> ?o.}";
+ query = "SELECT (COUNT(*) AS ?total) WHERE {?s <%s> ?o.}";
query = query.replace("%s", propertyToDescribe.getURI().toString());
ResultSet rs = executeSelectQuery(query);
QuerySolution qs;
@@ -105,7 +105,7 @@
qs = rs.next();
total = qs.getLiteral("total").getInt();
}
- query = "SELECT (COUNT(?s) AS ?symmetric) WHERE {?s <%s> ?o. ?o <%s> ?s}";
+ query = "SELECT (COUNT(*) AS ?symmetric) WHERE {?s <%s> ?o. ?o <%s> ?s}";
query = query.replace("%s", propertyToDescribe.getURI().toString());
rs = executeSelectQuery(query);
int symmetric = 0;
@@ -127,7 +127,7 @@
}
private void runSPARQL1_1_Mode(){
- String query = "SELECT (COUNT(?s) AS ?total) WHERE {?s <%s> ?o.}";
+ String query = "SELECT (COUNT(*) AS ?total) WHERE {?s <%s> ?o.}";
query = query.replace("%s", propertyToDescribe.getURI().toString());
ResultSet rs = executeSelectQuery(query);
QuerySolution qs;
@@ -136,7 +136,7 @@
qs = rs.next();
total = qs.getLiteral("total").getInt();
}
- query = "SELECT (COUNT(?s) AS ?symmetric) WHERE {?s <%s> ?o. ?o <%s> ?s}";
+ query = "SELECT (COUNT(*) AS ?symmetric) WHERE {?s <%s> ?o. ?o <%s> ?s}";
query = query.replace("%s", propertyToDescribe.getURI().toString());
rs = executeSelectQuery(query);
int symmetric = 0;
Modified: trunk/components-core/src/main/java/org/dllearner/algorithms/properties/TransitiveObjectPropertyAxiomLearner.java
===================================================================
--- trunk/components-core/src/main/java/org/dllearner/algorithms/properties/TransitiveObjectPropertyAxiomLearner.java 2012-04-29 18:39:37 UTC (rev 3668)
+++ trunk/components-core/src/main/java/org/dllearner/algorithms/properties/TransitiveObjectPropertyAxiomLearner.java 2012-04-30 09:04:11 UTC (rev 3669)
@@ -98,7 +98,7 @@
while(newModel.size() != 0){
model.add(newModel);
// get number of instances of s with <s p o>
- query = "SELECT (COUNT(?o) AS ?total) WHERE {?s <%s> ?o. ?o <%s> ?o1.}";
+ query = "SELECT (COUNT(*) AS ?total) WHERE {?s <%s> ?o. ?o <%s> ?o1.}";
query = query.replace("%s", propertyToDescribe.getURI().toString());
ResultSet rs = executeSelectQuery(query);
QuerySolution qs;
@@ -107,7 +107,7 @@
qs = rs.next();
total = qs.getLiteral("total").getInt();
}
- query = "SELECT (COUNT(?o) AS ?transitive) WHERE {?s <%s> ?o. ?o <%s> ?o1. ?s <%s> ?o1.}";
+ query = "SELECT (COUNT(*) AS ?transitive) WHERE {?s <%s> ?o. ?o <%s> ?o1. ?s <%s> ?o1.}";
query = query.replace("%s", propertyToDescribe.getURI().toString());
rs = executeSelectQuery(query);
int transitive = 0;
@@ -128,7 +128,7 @@
}
private void runSPARQL1_1_Mode(){
- String query = "SELECT (COUNT(?o) AS ?total) WHERE {?s <%s> ?o. ?o <%s> ?o1.}";
+ String query = "SELECT (COUNT(*) AS ?total) WHERE {?s <%s> ?o. ?o <%s> ?o1.}";
query = query.replace("%s", propertyToDescribe.getURI().toString());
ResultSet rs = executeSelectQuery(query);
QuerySolution qs;
@@ -137,7 +137,7 @@
qs = rs.next();
total = qs.getLiteral("total").getInt();
}
- query = "SELECT (COUNT(?o) AS ?transitive) WHERE {?s <%s> ?o. ?o <%s> ?o1. ?s <%s> ?o1.}";
+ query = "SELECT (COUNT(*) AS ?transitive) WHERE {?s <%s> ?o. ?o <%s> ?o1. ?s <%s> ?o1.}";
query = query.replace("%s", propertyToDescribe.getURI().toString());
rs = executeSelectQuery(query);
int transitive = 0;
Modified: trunk/components-core/src/main/java/org/dllearner/core/AbstractAxiomLearningAlgorithm.java
===================================================================
--- trunk/components-core/src/main/java/org/dllearner/core/AbstractAxiomLearningAlgorithm.java 2012-04-29 18:39:37 UTC (rev 3668)
+++ trunk/components-core/src/main/java/org/dllearner/core/AbstractAxiomLearningAlgorithm.java 2012-04-30 09:04:11 UTC (rev 3669)
@@ -19,6 +19,7 @@
package org.dllearner.core;
+import java.net.SocketTimeoutException;
import java.util.ArrayList;
import java.util.Collections;
import java.util.Comparator;
@@ -53,7 +54,10 @@
import com.hp.hpl.jena.query.QueryExecutionFactory;
import com.hp.hpl.jena.query.ResultSet;
import com.hp.hpl.jena.rdf.model.Model;
+import com.hp.hpl.jena.rdf.model.ModelFactory;
import com.hp.hpl.jena.sparql.engine.http.QueryEngineHTTP;
+import com.hp.hpl.jena.sparql.engine.http.QueryExceptionHTTP;
+import com.hp.hpl.jena.sparql.resultset.ResultSetMem;
import com.hp.hpl.jena.util.iterator.Filter;
import com.hp.hpl.jena.vocabulary.OWL2;
import com.hp.hpl.jena.vocabulary.RDF;
@@ -221,10 +225,19 @@
SparqlEndpoint endpoint = ((SparqlEndpointKS) ks).getEndpoint();
QueryEngineHTTP queryExecution = new QueryEngineHTTP(endpoint.getURL().toString(),
query);
- queryExecution.setTimeout(maxExecutionTimeInSeconds * 1000);
+ queryExecution.setTimeout(getRemainingRuntimeInMilliSeconds());
queryExecution.setDefaultGraphURIs(endpoint.getDefaultGraphURIs());
queryExecution.setNamedGraphURIs(endpoint.getNamedGraphURIs());
- return queryExecution.execConstruct();
+ try {
+ return queryExecution.execConstruct();
+ } catch (QueryExceptionHTTP e) {
+ if(e.getCause() instanceof SocketTimeoutException){
+ logger.warn("Got timeout", e);
+ } else {
+ logger.error("Exception executing query", e);
+ }
+ return ModelFactory.createDefaultModel();
+ }
} else {
QueryExecution qexec = QueryExecutionFactory.create(query, ((LocalModelBasedSparqlEndpointKS)ks).getModel());
return qexec.execConstruct();
@@ -237,10 +250,19 @@
SparqlEndpoint endpoint = ((SparqlEndpointKS) ks).getEndpoint();
QueryEngineHTTP queryExecution = new QueryEngineHTTP(endpoint.getURL().toString(),
query);
- queryExecution.setTimeout(maxExecutionTimeInSeconds * 1000);
+ queryExecution.setTimeout(getRemainingRuntimeInMilliSeconds());
queryExecution.setDefaultGraphURIs(endpoint.getDefaultGraphURIs());
queryExecution.setNamedGraphURIs(endpoint.getNamedGraphURIs());
- return queryExecution.execSelect();
+ try {
+ return queryExecution.execSelect();
+ } catch (QueryExceptionHTTP e) {
+ if(e.getCause() instanceof SocketTimeoutException){
+ logger.warn("Got timeout", e);
+ } else {
+ logger.error("Exception executing query", e);
+ }
+ return new ResultSetMem();
+ }
} else {
return executeSelectQuery(query, ((LocalModelBasedSparqlEndpointKS)ks).getModel());
}
@@ -280,8 +302,12 @@
return entries;
}
+ private long getRemainingRuntimeInMilliSeconds(){
+ return Math.max(0, (maxExecutionTimeInSeconds * 1000) - (System.currentTimeMillis() - startTime));
+ }
+
protected boolean terminationCriteriaSatisfied(){
- boolean timeLimitExceeded = maxExecutionTimeInSeconds == 0 ? false : (System.currentTimeMillis() - startTime) >= maxExecutionTimeInSeconds * 1000;
+ boolean timeLimitExceeded = maxExecutionTimeInSeconds == 0 ? false : getRemainingRuntimeInMilliSeconds() <= 0;
boolean resultLimitExceeded = maxFetchedRows == 0 ? false : fetchedRows >= maxFetchedRows;
return timeLimitExceeded || resultLimitExceeded;
}
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