fix[zfoo]: maven compile warning

protocol/src/main/java/com/zfoo/protocol/collection/ArrayUtils.java

@@ -368,7 +368,9 @@ public abstract class ArrayUtils {
 
         var length = list.size();
         var objectArray = Array.newInstance(clazz, length);
-        return (T[]) copy(list.toArray(), objectArray, length);
+        @SuppressWarnings("unchecked")
+        var copy = (T[]) copy(list.toArray(), objectArray, length);
+        return copy;
     }
 
 
@@ -452,7 +454,9 @@ public abstract class ArrayUtils {
         AssertionUtils.notNull(clazz);
         var length = source.length;
         var target = Array.newInstance(clazz, length);
-        return (T[]) copy(source, target, length);
+        @SuppressWarnings("unchecked")
+        var copy = (T[]) copy(source, target, length);
+        return copy;
     }
 
     private static Object copy(Object source, Object target, int length) {

protocol/src/main/java/com/zfoo/protocol/collection/CollectionUtils.java

@@ -234,52 +234,6 @@ public abstract class CollectionUtils {
     }
 
 
-    /**
-     * list合并
-     *
-     * @param exclusive 元素是否是独占的，也就是说是否可以重复
-     * @param pairs     需要被合并的pairs集合，第一个参数是步数，第二个参数是集合
-     * @return 返回合并后的list
-     */
-    public static <T> List<T> listJoinList(boolean exclusive, Pair<Integer, List<T>>... pairs) {
-        return listJoinList(exclusive, List.of(pairs));
-    }
-
-    public static <T> List<T> listJoinList(boolean exclusive, List<Pair<Integer, List<T>>> pairs) {
-        var iteratorList = new ArrayList<List<T>>();
-        var iteratorMap = new HashMap<List<T>, Iterator<T>>();
-        var stepMap = new HashMap<List<T>, Integer>();
-        for (var pair : pairs) {
-            var step = pair.getKey();
-            var list = pair.getValue();
-            AssertionUtils.ge1(step);
-            if (isNotEmpty(list)) {
-                var iterator = list.iterator();
-                iteratorList.add(list);
-                iteratorMap.put(list, iterator);
-                stepMap.put(list, step);
-            }
-        }
-
-        var result = new ArrayList<T>();
-
-        while (iteratorMap.values().stream().anyMatch(it -> it.hasNext())) {
-            for (var list : iteratorList) {
-                var iterator = iteratorMap.get(list);
-                var step = stepMap.get(list);
-                for (var i = 0; i < step && iterator.hasNext(); i++) {
-                    var element = iterator.next();
-                    if (exclusive && result.contains(element)) {
-                        i--;
-                        continue;
-                    }
-                    result.add(element);
-                }
-            }
-        }
-
-        return result;
-    }
 
     /**
      * 获取集合的最后几个元素

protocol/src/main/java/com/zfoo/protocol/collection/concurrent/ConcurrentArrayList.java

@@ -49,6 +49,7 @@ public class ConcurrentArrayList<E> implements List<E> {
     public List<E> clearAndReturn() {
         lock.lock();
         try {
+            @SuppressWarnings("unchecked")
             var newList = (ArrayList<E>) list.clone();
             list.clear();
             return newList;
@@ -71,6 +72,7 @@ public class ConcurrentArrayList<E> implements List<E> {
     public Iterator<E> iterator() {
         lock.lock();
         try {
+            @SuppressWarnings("unchecked")
             var newList = (ArrayList<E>) list.clone();
             return newList.iterator();
         } finally {
@@ -237,6 +239,7 @@ public class ConcurrentArrayList<E> implements List<E> {
     public ListIterator<E> listIterator() {
         lock.lock();
         try {
+            @SuppressWarnings("unchecked")
             var newList = (ArrayList<E>) list.clone();
             return newList.listIterator();
         } finally {
@@ -248,6 +251,7 @@ public class ConcurrentArrayList<E> implements List<E> {
     public ListIterator<E> listIterator(int index) {
         lock.lock();
         try {
+            @SuppressWarnings("unchecked")
             var newList = (ArrayList<E>) list.clone();
             return newList.listIterator(index);
         } finally {

protocol/src/main/java/com/zfoo/protocol/collection/lpmap/FileChannelMap.java

@@ -123,7 +123,9 @@ public class FileChannelMap<V> implements LpMap<V>, Closeable {
 
             dbBuffer.writeBytes(dbFileChannel, packetPosition, (int) packetSize);
             var packet = protocolRegistration.read(dbBuffer);
-            return (V) packet;
+            @SuppressWarnings("unchecked")
+            var p = (V) packet;
+            return p;
         } catch (Exception e) {
             return null;
         }

protocol/src/main/java/com/zfoo/protocol/collection/lpmap/FileHeapMap.java

@@ -110,6 +110,7 @@ public class FileHeapMap<V> implements LpMap<V> {
             var size = ByteBufUtils.readLong(buffer);
             for (var i = 0; i < size; i++) {
                 var key = ByteBufUtils.readLong(buffer);
+                @SuppressWarnings("unchecked")
                 var value = (V) protocolRegistration.read(buffer);
                 put(key, value);
             }

protocol/src/test/java/com/zfoo/protocol/util/CollectionUtilsTest.java

@@ -13,7 +13,6 @@
 package com.zfoo.protocol.util;
 
 import com.zfoo.protocol.collection.CollectionUtils;
-import com.zfoo.protocol.model.Pair;
 import org.junit.Assert;
 import org.junit.Test;
 
@@ -49,19 +48,6 @@ public class CollectionUtilsTest {
         Assert.assertArrayEquals(c.toArray(), a.toArray());
     }
 
-    @Test
-    public void listJoinListTest() {
-        var a = List.of(1, 2, 3, 4, 5, 6, 7, 8, 9);
-        var b = List.of(11, 22, 33, 44, 55);
-        var c = List.of(1, 2, 3, 4, 5, 6);
-
-        var d = CollectionUtils.listJoinList(true, new Pair<>(2, a), new Pair<>(2, b), new Pair<>(2, c));
-        Assert.assertArrayEquals(d.toArray(), List.of(1, 2, 11, 22, 3, 4, 5, 6, 33, 44, 7, 8, 55, 9).toArray());
-
-        var e = CollectionUtils.listJoinList(false, new Pair<>(2, a), new Pair<>(2, b), new Pair<>(2, c));
-        Assert.assertArrayEquals(e.toArray(), List.of(1, 2, 11, 22, 1, 2, 3, 4, 33, 44, 3, 4, 5, 6, 55, 5, 6, 7, 8, 9).toArray());
-    }
-
     @Test
     public void subListLastTest() {
         var list = List.of(1, 2, 3, 4, 5);