Count-URL-access-frequency

5b855ec0 · abdullh.alsoleman · 7b6894e2 · 5b855ec0 · 5b855ec0 · 5b855ec0
Commit 5b855ec0 authored May 02, 2024 by abdullh.alsoleman
12 changed files
--- a/.gitignore
+++ b/.gitignore
+target/
+!.mvn/wrapper/maven-wrapper.jar
+!**/src/main/**/target/
+!**/src/test/**/target/
+
+### IntelliJ IDEA ###
+.idea/modules.xml
+.idea/jarRepositories.xml
+.idea/compiler.xml
+.idea/libraries/
+*.iws
+*.iml
+*.ipr
+
+### Eclipse ###
+.apt_generated
+.classpath
+.factorypath
+.project
+.settings
+.springBeans
+.sts4-cache
+
+### NetBeans ###
+/nbproject/private/
+/nbbuild/
+/dist/
+/nbdist/
+/.nb-gradle/
+build/
+!**/src/main/**/build/
+!**/src/test/**/build/
+
+### VS Code ###
+.vscode/
+
+### Mac OS ###
+.DS_Store
\ No newline at end of file
--- a/.idea/artifacts/count_of_URL_access_frequency_jar.xml
+++ b/.idea/artifacts/count_of_URL_access_frequency_jar.xml
+<component name="ArtifactManager">
+  <artifact type="jar" name="count-of-URL-access-frequency:jar">
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--- a/.idea/encodings.xml
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+<project version="4">
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--- a/.idea/misc.xml
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--- a/.idea/workspace.xml
+++ b/.idea/workspace.xml
+<?xml version="1.0" encoding="UTF-8"?>
+<project version="4">
+  <component name="ArtifactsWorkspaceSettings">
+    <artifacts-to-build>
+      <artifact name="count-of-URL-access-frequency:jar" />
+    </artifacts-to-build>
+  </component>
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+  <component name="ChangeListManager">
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+      <change afterPath="$PROJECT_DIR$/.gitignore" afterDir="false" />
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+      <change afterPath="$PROJECT_DIR$/pom.xml" afterDir="false" />
+      <change afterPath="$PROJECT_DIR$/src/main/java/Count/URLAccessFrequency.java" afterDir="false" />
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+      <change afterPath="$PROJECT_DIR$/src/main/java/Count/URLReducer.java" afterDir="false" />
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--- a/out/artifacts/count_of_URL_access_frequency_jar/count-of-URL-access-frequency.jar
+++ b/out/artifacts/count_of_URL_access_frequency_jar/count-of-URL-access-frequency.jar
--- a/pom.xml
+++ b/pom.xml
+<?xml version="1.0" encoding="UTF-8"?>
+<project xmlns="http://maven.apache.org/POM/4.0.0"
+         xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+         xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+    <modelVersion>4.0.0</modelVersion>
+
+    <groupId>org.example</groupId>
+    <artifactId>count-of-URL-access-frequency</artifactId>
+    <version>1.0-SNAPSHOT</version>
+
+    <properties>
+        <maven.compiler.source>8</maven.compiler.source>
+        <maven.compiler.target>8</maven.compiler.target>
+        <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
+    </properties>
+
+    <dependencies>
+        <dependency>
+            <groupId>org.apache.hadoop</groupId>
+            <artifactId>hadoop-common</artifactId>
+            <version>2.6.0</version>
+        </dependency>
+        <dependency>
+            <groupId>org.apache.hadoop</groupId>
+            <artifactId>hadoop-core</artifactId>
+            <version>1.2.1</version>
+        </dependency>
+
+    </dependencies>
+</project>
\ No newline at end of file
--- a/src/main/java/Count/URLAccessFrequency.java
+++ b/src/main/java/Count/URLAccessFrequency.java
+package Count;
+
+import org.apache.hadoop.conf.Configuration;
+import org.apache.hadoop.fs.Path;
+import org.apache.hadoop.io.IntWritable;
+import org.apache.hadoop.io.Text;
+import org.apache.hadoop.mapreduce.Job;
+import org.apache.hadoop.mapreduce.lib.input.FileInputFormat;
+import org.apache.hadoop.mapreduce.lib.output.FileOutputFormat;
+import org.apache.hadoop.util.GenericOptionsParser;
+
+public class URLAccessFrequency {
+    public static void main(String[] args) throws Exception {
+        // Create a new Configuration object to hold Hadoop configuration settings
+        Configuration conf = new Configuration();
+
+        // Parse the command line arguments to get input and output file paths
+        String[] files = new GenericOptionsParser(conf, args).getRemainingArgs();
+        Path input = new Path(files[0]); // Input file path
+        Path output = new Path(files[1]); // Output file path
+
+        // Create a new MapReduce job with the configuration and a job name
+        Job job = new Job(conf, "URL_Access_Frequency");
+
+        // Set the main class for the job JAR file
+        job.setJarByClass(URLAccessFrequency.class);
+
+        // Set the Mapper and Reducer classes for the job
+        job.setMapperClass(URLMapper.class); // Mapper class
+        job.setCombinerClass(URLReducer.class); // Optional combiner class for optimization
+        job.setReducerClass(URLReducer.class); // Reducer class
+
+        // Set the output key and value classes for the job
+        job.setOutputKeyClass(Text.class); // Output key class
+        job.setOutputValueClass(IntWritable.class); // Output value class
+
+        // Set the input and output file paths for the job
+        FileInputFormat.addInputPath(job, input); // Input file path
+        FileOutputFormat.setOutputPath(job, output); // Output file path
+
+        // Execute the job and wait for completion
+        System.exit(job.waitForCompletion(true) ? 0 : 1);
+    }
+}
--- a/src/main/java/Count/URLMapper.java
+++ b/src/main/java/Count/URLMapper.java
+package Count;
+
+import org.apache.hadoop.io.IntWritable;
+import org.apache.hadoop.io.LongWritable;
+import org.apache.hadoop.io.Text;
+import org.apache.hadoop.mapreduce.Mapper;
+
+import java.io.IOException;
+
+public class URLMapper extends Mapper<LongWritable, Text, Text, IntWritable> {
+    private final static IntWritable one = new IntWritable(1);
+    private Text url = new Text();
+
+    public void map(LongWritable key, Text value, Context context) throws IOException, InterruptedException {
+        // Split the input value by space
+        String[] fields = value.toString().split(" ");
+        if (fields.length >= 1) {
+            // Assuming URL is the first field
+            url.set(fields[0]);
+            // Emit (url, 1) as key-value pair
+            context.write(url, one);
+        }
+    }
+}
--- a/src/main/java/Count/URLReducer.java
+++ b/src/main/java/Count/URLReducer.java
+package Count;
+
+import org.apache.hadoop.io.DoubleWritable;
+import org.apache.hadoop.io.IntWritable;
+import org.apache.hadoop.io.Text;
+import org.apache.hadoop.mapreduce.Reducer;
+import java.io.IOException;
+
+public class URLReducer extends Reducer<Text, IntWritable, Text, DoubleWritable> {
+    private DoubleWritable result = new DoubleWritable();
+
+    // Variable to store the total count of URL accesses
+    private long totalCount = 0;
+
+    public void reduce(Text key, Iterable<IntWritable> values, Context context) throws IOException, InterruptedException {
+        int sum = 0;
+        // Iterate through the values (counts) for the current URL key
+        for (IntWritable val : values) {
+            // Sum up the counts
+            sum += val.get();
+            // Increment the total count
+            totalCount += val.get();
+        }
+        // Calculate the percentage frequency of the URL
+        double frequency = ((double) sum / totalCount) * 100;
+        result.set(frequency); // Set the result as the calculated frequency
+        context.write(key, result); // Write the URL and its frequency to the output
+    }
+}
--- a/src/main/resources/META-INF/MANIFEST.MF
+++ b/src/main/resources/META-INF/MANIFEST.MF
+Manifest-Version: 1.0
+Main-Class: Count.URLAccessFrequency
+