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82 changes: 82 additions & 0 deletions
82
sparql-anything-it/src/test/java/com/github/sparqlanything/it/FileStreamTest.java
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,82 @@ | ||
| /* | ||
| * Copyright (c) 2021 SPARQL Anything Contributors @ http://github.com/sparql-anything | ||
| * | ||
| * 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. | ||
| * | ||
| */ | ||
|
|
||
| package com.github.sparqlanything.it; | ||
|
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| import com.github.sparqlanything.csv.CSVTriplifier; | ||
| import com.github.sparqlanything.engine.FacadeX; | ||
| import com.github.sparqlanything.model.Triplifier; | ||
| import com.github.sparqlanything.model.filestream.FileStreamDatasetGraph; | ||
| import com.github.sparqlanything.model.filestream.FileStreamManager; | ||
| import org.apache.jena.graph.Node; | ||
| import org.apache.jena.graph.NodeFactory; | ||
| import org.apache.jena.query.*; | ||
| import org.apache.jena.sparql.core.Quad; | ||
| import org.apache.jena.sparql.engine.main.QC; | ||
| import org.junit.Assert; | ||
| import org.junit.Ignore; | ||
| import org.junit.Test; | ||
| import org.slf4j.Logger; | ||
| import org.slf4j.LoggerFactory; | ||
|
|
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| import java.net.MalformedURLException; | ||
| import java.net.URISyntaxException; | ||
| import java.util.Iterator; | ||
| import java.util.Properties; | ||
|
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| public class FileStreamTest { | ||
| private static Logger log = LoggerFactory.getLogger(FileStreamTest.class); | ||
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| private Node var(String v){ | ||
| return NodeFactory.createVariable(v); | ||
| } | ||
|
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| @Test | ||
| public void test() throws URISyntaxException, MalformedURLException { | ||
| Properties properties = new Properties(); | ||
| properties.put("location", getClass().getClassLoader().getResource("test1.csv").toURI().toString()); | ||
| FileStreamManager man = new FileStreamManager(ARQ.getContext(), properties, new CSVTriplifier()); | ||
| FileStreamDatasetGraph dg = new FileStreamDatasetGraph(man); | ||
| Iterator<Quad> it = dg.findNG(var("g"),var("s"),var("p"),var("o")); | ||
| int c=0; | ||
| while(it.hasNext()){ | ||
| c++; | ||
| } | ||
| Assert.assertTrue(c == 16); | ||
| } | ||
|
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| @Test | ||
| public void testQueryJoin() throws URISyntaxException, MalformedURLException { | ||
| Dataset kb = DatasetFactory.createGeneral(); | ||
| QC.setFactory(ARQ.getContext(), FacadeX.ExecutorFactory); | ||
| String location = getClass().getClassLoader().getResource("test1.csv").toURI().toString(); | ||
| Query query = QueryFactory.create( | ||
| "PREFIX fx: <http://sparql.xyz/facade-x/ns/>\n" + | ||
| "PREFIX xyz: <http://sparql.xyz/facade-x/data/>\n" + | ||
| // "SELECT * WHERE { SERVICE <x-sparql-anything:csv.headers=true,strategy=2,location=" | ||
| // + location + "> { ?a ?b ?c }} "); | ||
| "SELECT ?a ?b ?c ?d WHERE { SERVICE <x-sparql-anything:csv.headers=true,strategy=2,location=" | ||
| + location + "> { [] xyz:A ?a ; xyz:B ?b ; xyz:C ?c ; xyz:D ?d . filter(?d != \"\") }} "); | ||
| ResultSet rs = QueryExecutionFactory.create(query, kb).execSelect(); | ||
| int c = 0; | ||
| while(rs.hasNext()){ | ||
| rs.next(); | ||
| c++; | ||
| } | ||
| Assert.assertTrue(c == 2); | ||
| } | ||
| } |
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52 changes: 52 additions & 0 deletions
52
...hing-model/src/main/java/com/github/sparqlanything/model/filestream/FileStreamBuffer.java
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,52 @@ | ||
| /* | ||
| * Copyright (c) 2021 SPARQL Anything Contributors @ http://github.com/sparql-anything | ||
| * | ||
| * 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. | ||
| * | ||
| */ | ||
|
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| package com.github.sparqlanything.model.filestream; | ||
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| import org.apache.jena.sparql.core.Quad; | ||
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| import java.util.ArrayList; | ||
| import java.util.List; | ||
|
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| public class FileStreamBuffer { | ||
| List<Quad> queue = new ArrayList<Quad>(); | ||
| boolean completed = false; | ||
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| boolean isEmpty(){ | ||
| return queue.isEmpty(); | ||
| } | ||
|
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| void add(Quad quad){ | ||
| queue.add(quad); | ||
| } | ||
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| boolean isCompleted(){ | ||
| return completed; | ||
| } | ||
|
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| boolean isWaiting(){ | ||
| return isEmpty() && !isCompleted(); | ||
| } | ||
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| Quad fetch(){ | ||
| return queue.remove(0); | ||
| } | ||
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| void setCompleted(){ | ||
| completed = true; | ||
| } | ||
| } |
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