Add: PING PONG TCP

src/main/java/it/polimi/ingsw/gc14/LimitedMap.java

@@ -0,0 +1,75 @@
+package it.polimi.ingsw.gc14;
+import java.util.ArrayList;
+
+/**
+ * An {@link ArrayList} with a configurable size limit and an associated action.
+ * When the number of elements reaches or exceeds the limit, the specified action is automatically triggered.
+ *
+ * @param <T> the type of elements held in this list.
+ */
+public class LimitedList<T> extends ArrayList<T> {
+
+    /**
+     * The maximum number of elements allowed in the list before the action is triggered.
+     */
+    private int limit;
+
+    /**
+     * The action to execute when the list size reaches or exceeds the limit.
+     */
+    private Runnable action;
+
+    /**
+     * Creates a new {@code LimitedList} with the specified limit and action.
+     *
+     * @param limit  the maximum number of elements before the action is triggered.
+     * @param action the action to execute when the limit is reached.
+     */
+    public LimitedList(int limit, Runnable action) {
+        this.limit = limit;
+        this.action = action;
+    }
+
+    /**
+     * Adds the specified element to the list.
+     * If the list size reaches or exceeds the limit after the insertion, the configured action is triggered.
+     *
+     * @param element the element to add.
+     * @return {@code true} if the element was successfully added.
+     */
+    @Override
+    public boolean add(T element) {
+        boolean result = super.add(element);
+        if (size() >= limit) {
+            action.run();
+        }
+        return result;
+    }
+
+    /**
+     * Sets a new size limit for this list.
+     *
+     * @param num the new limit.
+     */
+    public void setLimit(int num) {
+        this.limit = num;
+    }
+
+    /**
+     * Returns the current size limit of this list.
+     *
+     * @return the current limit.
+     */
+    public int getLimit() {
+        return limit;
+    }
+
+    /**
+     * Sets a new action to execute when the list size reaches or exceeds the limit.
+     *
+     * @param action the new action to set.
+     */
+    public void setAction(Runnable action) {
+        this.action = action;
+    }
+}