Fuseki configuration

eBL-backend/pom.xml

@@ -258,6 +258,20 @@
             <version>4.3.5</version>
         </dependency>
 
+        <dependency>
+            <groupId>org.apache.jena</groupId>
+            <artifactId>jena-fuseki-main</artifactId>
+            <version>4.9.0</version> <!-- Set the version -->
+        </dependency>
+
+        <dependency>
+            <groupId>javax.servlet</groupId>
+            <artifactId>servlet-api</artifactId>
+            <version>2.5</version>
+            <scope>provided</scope>
+        </dependency>
+
+
     </dependencies>
 
     <repositories>

eBL-backend/src/main/java/com/info7255/ebl/config/FusekiConfig.java

@@ -0,0 +1,30 @@
+package com.info7255.ebl.config;
+
+import org.apache.jena.fuseki.main.FusekiServer;
+import org.apache.jena.query.Dataset;
+import org.apache.jena.tdb.TDBFactory;
+import org.springframework.beans.factory.annotation.Value;
+import org.springframework.boot.CommandLineRunner;
+import org.springframework.context.annotation.Bean;
+import org.springframework.context.annotation.Configuration;
+
+@Configuration
+public class FusekiConfig {
+
+    @Value("${fuseki.port}")
+    private int port;
+
+    @Value("${fuseki.datasetPath}")
+    private String datasetPath;
+
+    @Bean(initMethod = "start", destroyMethod = "stop")
+    public FusekiServer fusekiServer() {
+        Dataset dataset = TDBFactory.createDataset(datasetPath);
+        return FusekiServer.create()
+                .port(port)
+                .add("/dataset", dataset)
+                .build();
+    }
+
+
+}

eBL-backend/src/main/java/com/info7255/ebl/service/Atkin.java

@@ -0,0 +1,60 @@
+package com.info7255.ebl.service;
+
+import java.util.*;
+
+public class Atkin {
+
+    public static List<Integer> findPrimes(int limit) {
+        boolean[] isPrime = new boolean[limit + 1];
+        Arrays.fill(isPrime, false);
+
+        // 2 and 3 are known primes
+        isPrime[2] = true;
+        isPrime[3] = true;
+
+        for (int x = 1; x * x <= limit; x++) {
+            for (int y = 1; y * y <= limit; y++) {
+                int n = (4 * x * x) + (y * y);
+                if (n <= limit && (n % 12 == 1 || n % 12 == 5)) {
+                    isPrime[n] = !isPrime[n];
+                }
+
+                n = (3 * x * x) + (y * y);
+                if (n <= limit && n % 12 == 7) {
+                    isPrime[n] = !isPrime[n];
+                }
+
+                n = (3 * x * x) - (y * y);
+                if (x > y && n <= limit && n % 12 == 11) {
+                    isPrime[n] = !isPrime[n];
+                }
+            }
+        }
+
+        for (int n = 5; n * n <= limit; n++) {
+            if (isPrime[n]) {
+                for (int k = n * n; k <= limit; k += n * n) {
+                    isPrime[k] = false;
+                }
+            }
+        }
+
+        List<Integer> primes = new ArrayList<>();
+        for (int i = 2; i <= limit; i++) {
+            if (isPrime[i]) {
+                primes.add(i);
+            }
+        }
+
+        return primes;
+    }
+
+    public static void main(String[] args) {
+        int limit = 50;
+
+        List<Integer> primes = findPrimes(limit);
+        System.out.println("Prime numbers up to " + limit + ":");
+        System.out.println(primes);
+    }
+
+}

eBL-backend/src/main/java/com/info7255/ebl/service/Eratosthenes.java

@@ -0,0 +1,39 @@
+package com.info7255.ebl.service;
+
+import java.util.*;
+
+public class Eratosthenes {
+
+    public static List<Integer> findPrimesInRange(int start, int end) {
+
+        boolean[] isPrime = new boolean[end + 1];
+        Arrays.fill(isPrime, true);
+
+        for (int i = 2; i * i <= end; i++) {
+            if (isPrime[i]) {
+                for (int j = i * i; j <= end; j += i) {
+                    isPrime[j] = false;
+                }
+            }
+        }
+
+        List<Integer> primes = new ArrayList<>();
+        for (int i = Math.max(2, start); i <= end; i++) {
+            if (isPrime[i]) {
+                primes.add(i);
+            }
+        }
+
+        return primes;
+    }
+
+    public static void main(String[] args) {
+        int start = 10;
+        int end = 50;
+
+        List<Integer> primesInRange = findPrimesInRange(start, end);
+        System.out.println("Prime numbers between " + start + " and " + end + ":");
+        System.out.println(primesInRange);
+    }
+
+}

eBL-backend/src/main/java/com/info7255/ebl/service/QuoteService.java

@@ -11,7 +11,12 @@
 import lombok.Data;
 import lombok.RequiredArgsConstructor;
 import lombok.extern.slf4j.Slf4j;
+import org.apache.jena.fuseki.main.FusekiServer;
 import org.apache.jena.rdf.model.*;
+import org.apache.jena.update.UpdateExecutionFactory;
+import org.apache.jena.update.UpdateFactory;
+import org.apache.jena.update.UpdateProcessor;
+import org.apache.jena.update.UpdateRequest;
 import org.eclipse.rdf4j.model.IRI;
 import org.eclipse.rdf4j.model.Value;
 import org.eclipse.rdf4j.query.*;
@@ -38,6 +43,7 @@ public class QuoteService {
 
     ObjectMapper objectMapper = new ObjectMapper();
 
+
     private final ApplicationEventPublisher publisher;
 
     public static QueryBank queryBank = new QueryBank();
@@ -132,7 +138,15 @@ public void generateRDF(JsonNode rate, Optional<User> user, JsonNode quote){
 
         model.write(System.out, "TURTLE");
 
+        String fusekiServiceUrl = "http://localhost:3030/dataset/update";
+
+        String insertQuery = "INSERT DATA { GRAPH <http://example.com/graph> { " +
+                portPair +
+                " } }";
 
+        UpdateRequest updateRequest = UpdateFactory.create(insertQuery);
+        UpdateProcessor updateProcessor = UpdateExecutionFactory.createRemote(updateRequest, fusekiServiceUrl);
+        updateProcessor.execute();
 
 
         log.info("RDF created", portPair);

eBL-backend/src/main/resources/application.properties

@@ -6,3 +6,6 @@ rdf4j.spring.repository.remote.name=myrepo
 # Optional with username and password
 rdf4j.spring.repository.remote.username=admin
 rdf4j.spring.repository.remote.password=1234
+
+fuseki.port=3030
+fuseki.datasetPath=/Users/rikinparekh/Repos/fuseki-server