v1.6.5

.github/workflows/github-packages-publish.yml

@@ -8,9 +8,9 @@
 name: Publish Packages to GitHub Packages with Gradle
 
 on:
-  push:
-    branches:
-      - main
+  release:
+    types:
+      - published
 
 jobs:
   build:
@@ -51,19 +51,17 @@ jobs:
       - name: Set up JDK 17
         uses: actions/setup-java@v4
         with:
-          java-version: '17'
-          distribution: 'corretto'
-          server-id: github # Value of the distributionManagement/repository/id field of the pom.xml
-          settings-path: ${{ github.workspace }} # location for the settings.xml file
+          java-version: "17"
+          distribution: "corretto"
 
       - name: Setup Gradle
-        uses: gradle/actions/setup-gradle@417ae3ccd767c252f5661f1ace9f835f9654f2b5 # v3.1.0
+        uses: gradle/actions/setup-gradle@v4
 
       - name: Grant Execution Authority to Gradlew
         run: chmod +x ./gradlew
 
       - name: Build with Gradle
-        run: ./gradlew build
+        run: ./gradlew build -PartefactVersion=${{ github.event.release.tag_name }} # Overwrite artefactVersion
 
       - name: Publish to Maven Central
         run: ./gradlew publish

devkit-utils/src/main/java/com/onixbyte/devkit/utils/BranchUtil.java

@@ -17,7 +17,6 @@
 
 package com.onixbyte.devkit.utils;
 
-import java.util.Arrays;
 import java.util.Objects;
 import java.util.function.BooleanSupplier;
 import java.util.function.Supplier;
@@ -89,62 +88,50 @@ private BranchUtil(boolean result) {
      * Creates a {@code BranchUtil} instance to evaluate a logical OR operation on the provided
      * boolean expressions.
      *
-     * @param booleans the boolean expressions to be evaluated
-     * @param <T>      the type of the result to be handled by the methods
+     * @param values the boolean expressions to be evaluated
+     * @param <T>    the type of the result to be handled by the methods
      * @return a {@code BranchUtil} instance representing the result of the logical OR operation
      */
-    public static <T> BranchUtil<T> or(Boolean... booleans) {
-        var result = Arrays.stream(booleans)
-                .filter(Objects::nonNull)
-                .anyMatch(Boolean::booleanValue);
-        return new BranchUtil<>(result);
+    public static <T> BranchUtil<T> or(Boolean... values) {
+        return new BranchUtil<>(BoolUtil.or(values));
     }
 
     /**
      * Creates a {@code BranchUtil} instance to evaluate a logical AND operation on the provided
      * boolean expressions.
      *
-     * @param booleans the boolean expressions to be evaluated
-     * @param <T>      the type of the result to be handled by the methods
+     * @param values the boolean expressions to be evaluated
+     * @param <T>    the type of the result to be handled by the methods
      * @return a {@code BranchUtil} instance representing the result of the logical AND operation
      */
-    public static <T> BranchUtil<T> and(Boolean... booleans) {
-        var result = Arrays.stream(booleans)
-                .filter(Objects::nonNull)
-                .allMatch(Boolean::booleanValue);
-        return new BranchUtil<>(result);
+    public static <T> BranchUtil<T> and(Boolean... values) {
+        return new BranchUtil<>(BoolUtil.and(values));
     }
 
     /**
      * Creates a {@code BranchUtil} instance to evaluate a logical OR operation on the provided
      * boolean suppliers.
      *
-     * @param booleanSuppliers the boolean suppliers to be evaluated
-     * @param <T>              the type of the result to be handled by the methods
+     * @param valueSuppliers the boolean suppliers to be evaluated
+     * @param <T>            the type of the result to be handled by the methods
      * @return a {@code BranchUtil} instance representing the result of the
      * logical OR operation
      */
-    public static <T> BranchUtil<T> or(BooleanSupplier... booleanSuppliers) {
-        var result = Arrays.stream(booleanSuppliers)
-                .filter(Objects::nonNull)
-                .anyMatch(BooleanSupplier::getAsBoolean);
-        return new BranchUtil<>(result);
+    public static <T> BranchUtil<T> or(BooleanSupplier... valueSuppliers) {
+        return new BranchUtil<>(BoolUtil.or(valueSuppliers));
     }
 
     /**
      * Creates a {@code BranchUtil} instance to evaluate a logical AND operation on the provided
      * boolean suppliers.
      *
-     * @param booleanSuppliers the boolean suppliers to be evaluated
-     * @param <T>              the type of the result to be handled by the methods
+     * @param valueSuppliers the boolean suppliers to be evaluated
+     * @param <T>            the type of the result to be handled by the methods
      * @return a {@code BranchUtil} instance representing the result of the
      * logical AND operation
      */
-    public static <T> BranchUtil<T> and(BooleanSupplier... booleanSuppliers) {
-        var result = Arrays.stream(booleanSuppliers)
-                .filter(Objects::nonNull)
-                .allMatch(BooleanSupplier::getAsBoolean);
-        return new BranchUtil<>(result);
+    public static <T> BranchUtil<T> and(BooleanSupplier... valueSuppliers) {
+        return new BranchUtil<>(BoolUtil.and(valueSuppliers));
     }
 
     /**

gradle.properties

@@ -15,18 +15,17 @@
 # limitations under the License.
 #
 
-jacksonVersion=2.17.2
+jacksonVersion=2.18.0
 javaJwtVersion=4.4.0
-jjwtVersion=0.12.6
-junitVersion=5.10.2
-logbackVersion=1.5.4
-lombokVersion=1.18.30
-slf4jVersion=2.0.9
-springVersion=6.1.3
-springBootVersion=3.2.3
+junitVersion=5.11.2
+logbackVersion=1.5.10
+lombokVersion=1.18.34
+slf4jVersion=2.0.16
+springVersion=6.1.13
+springBootVersion=3.3.4
 
 buildGroupId=com.onixbyte
-buildVersion=1.6.4
+buildVersion=1.6.5
 projectUrl=https://onixbyte.com/JDevKit
 projectGithubUrl=https://github.com/OnixByte/JDevKit
 licenseName=The Apache License, Version 2.0

num4j/build.gradle.kts

@@ -0,0 +1,19 @@
+plugins {
+    id("java")
+}
+
+group = "com.onixbyte"
+version = "unspecified"
+
+repositories {
+    mavenCentral()
+}
+
+dependencies {
+    testImplementation(platform("org.junit:junit-bom:5.10.0"))
+    testImplementation("org.junit.jupiter:junit-jupiter")
+}
+
+tasks.test {
+    useJUnitPlatform()
+}

devkit-utils/src/main/java/com/onixbyte/devkit/utils/ChainedCalcUtil.java → num4j/src/main/java/com/onixbyte/nums/ChainedCalcUtil.java

@@ -15,7 +15,7 @@
  * limitations under the License.
  */
 
-package com.onixbyte.devkit.utils;
+package com.onixbyte.nums;
 
 import lombok.Getter;
 
@@ -87,7 +87,7 @@
  *
  * @author sunzsh
  * @version 1.1.0
- * @see java.math.BigDecimal
+ * @see BigDecimal
  * @since 1.0.0
  */
 @Getter

num4j/src/main/java/com/onixbyte/nums/PercentileCalculator.java

@@ -0,0 +1,106 @@
+/*
+ * Copyright (C) 2024 OnixByte.
+ *
+ * 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.onixbyte.nums;
+
+import com.onixbyte.nums.model.QuartileBounds;
+
+import java.util.List;
+
+/**
+ * A utility class that provides methods for calculating percentiles and interquartile range (IQR) bounds
+ * for a dataset.
+ * <p>
+ * This class contains static methods to:
+ * <ul>
+ *   <li>Calculate a specified percentile from a list of double values using linear interpolation.</li>
+ *   <li>Calculate interquartile bounds (Q1, Q3) and the corresponding lower and upper bounds,
+ *       which can be used to identify outliers in the dataset.</li>
+ * </ul>
+ * <p>
+ * This class is final, meaning it cannot be subclassed, and it only contains static methods,
+ * so instances of the class cannot be created.
+ * </p>
+ * <h2>Example usage:</h2>
+ * <pre>
+ * {@code
+ * List<Double> data = Arrays.asList(1.0, 2.0, 3.0, 4.0, 5.0);
+ * Double percentileValue = PercentileCalculator.calculatePercentile(data, 50.0);  // Calculates median
+ * QuartileBounds bounds = PercentileCalculator.calculatePercentileBounds(data);   // Calculates IQR bounds
+ * }
+ * </pre>
+ *
+ * @author zihluwang
+ * @version 1.6.5
+ * @since 1.6.5
+ */
+public final class PercentileCalculator {
+
+    /**
+     * Calculates the specified percentile from a list of values.
+     * <p>
+     * This method takes a list of double values and calculates the given percentile using linear interpolation between
+     * the two closest ranks. The list is first sorted in ascending order, and the specified percentile is
+     * then calculated.
+     *
+     * @param values     a list of {@code Double} values from which the percentile is calculated.
+     * @param percentile a {@code Double} representing the percentile to be calculated (e.g., 50.0 for the median)
+     * @return a {@code Double} value representing the calculated percentile
+     */
+    public static Double calculatePercentile(List<Double> values, Double percentile) {
+        var sorted = values.stream().sorted().toList();
+        if (sorted.isEmpty()) {
+            throw new IllegalArgumentException("Unable to sort an empty list.");
+        }
+
+        var rank = percentile / 100. * (sorted.size() - 1);
+        var lowerIndex = (int) Math.floor(rank);
+        var upperIndex = (int) Math.ceil(rank);
+        var weight = rank - lowerIndex;
+
+        return sorted.get(lowerIndex) * (1 - weight) + sorted.get(upperIndex) * weight;
+    }
+
+    /**
+     * Calculates the interquartile range (IQR) and the corresponding lower and upper bounds
+     * based on the first (Q1) and third (Q3) quartiles of a dataset.
+     * <p>
+     * This method takes a list of double values, calculates the first quartile (Q1),
+     * the third quartile (Q3), and the interquartile range (IQR). Using the IQR, it computes
+     * the lower and upper bounds, which can be used to detect outliers in the dataset.
+     * The lower bound is defined as {@code Q1 - 1.5 * IQR}, and the upper bound is defined as
+     * {@code Q3 + 1.5 * IQR}.
+     *
+     * @param data a list of {@code Double} values for which the quartile bounds will be calculated
+     * @return a {@code QuartileBounds} object containing the calculated lower and upper bounds
+     */
+    public static QuartileBounds calculatePercentileBounds(List<Double> data) {
+        var sorted = data.stream().sorted().toList();
+        var Q1 = calculatePercentile(sorted, 25.);
+        var Q3 = calculatePercentile(sorted, 75.);
+
+        var IQR = Q3 - Q1;
+
+        var lowerBound = Q1 - 1.5 * IQR;
+        var upperBound = Q3 + 1.5 * IQR;
+
+        return QuartileBounds.builder()
+                .upperBound(upperBound)
+                .lowerBound(lowerBound)
+                .build();
+    }
+
+}