Add TriResult class for handling three-value results and implement main method in PWRReentrantReadWriteLock for lock testing

Author: EAOE3

src/main/java/io/pwrlabs/util/encoders/TriResult.java

@@ -0,0 +1,53 @@
+package io.pwrlabs.util.encoders;
+
+public class TriResult<T, V, Z> {
+    private final T first;
+    private final V second;
+    private final Z third;
+
+    public TriResult(T first, V second, Z third) {
+        this.first = first;
+        this.second = second;
+        this.third = third;
+    }
+
+    public T getFirst() {
+        return first;
+    }
+
+    public V getSecond() {
+        return second;
+    }
+
+    public Z getThird() {
+        return third;
+    }
+
+    @Override
+    public String toString() {
+        return "TriResult{" +
+                "first=" + first +
+                ", second=" + second +
+                ", third=" + third +
+                '}';
+    }
+
+    @Override
+    public boolean equals(Object obj) {
+        if (this == obj) return true;
+        if (obj == null || getClass() != obj.getClass()) return false;
+
+        TriResult<?, ?, ?> that = (TriResult<?, ?, ?>) obj;
+        if (first != null ? !first.equals(that.first) : that.first != null) return false;
+        if (second != null ? !second.equals(that.second) : that.second != null) return false;
+        return third != null ? third.equals(that.third) : that.third == null;
+    }
+
+    @Override
+    public int hashCode() {
+        int result = first != null ? first.hashCode() : 0;
+        result = 31 * result + (second != null ? second.hashCode() : 0);
+        result = 31 * result + (third != null ? third.hashCode() : 0);
+        return result;
+    }
+}

src/main/java/io/pwrlabs/utils/PWRReentrantReadWriteLock.java

@@ -242,4 +242,25 @@ private void setWriteLockTime(long time) {
     }
     //endregion
 
+    public static void main(String[] args) {
+        PWRReentrantReadWriteLock lock = new PWRReentrantReadWriteLock();
+        lock.acquireReadLock();
+        System.out.println("Read lock acquired");
+        lock.releaseReadLock();
+        System.out.println("Read lock released");
+
+        lock.acquireWriteLock();
+        System.out.println("Write lock acquired");
+        lock.releaseWriteLock();
+        System.out.println("Write lock released");
+
+        //Dead lock test
+        lock.acquireWriteLock();
+        lock.acquireReadLock();
+        System.out.println("No dead lock");
+
+        lock.releaseReadLock();
+        lock.releaseWriteLock();
+    }
+
 }