Replacement of ConcurrentHashMap without Unsafe

Author: Horcrux7

src/de/inetsoftware/jwebassembly/api/java/util/concurrent/ReplacementForConcurrentHashMap.java

@@ -0,0 +1,32 @@
+/*
+ * Copyright 2021 Volker Berlin (i-net software)
+ *
+ * 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 de.inetsoftware.jwebassembly.api.java.util.concurrent;
+
+import java.util.HashMap;
+import java.util.concurrent.ConcurrentMap;
+
+import de.inetsoftware.jwebassembly.api.annotation.Replace;
+
+/**
+ * Replacement java.util.concurrent.ConcurrentHashMap.
+ * This implementation work without Unsafe an WebAssembly is single thread currently.
+ *
+ * @author Volker Berlin
+ */
+@Replace( "java/util/concurrent/ConcurrentHashMap" )
+public class ReplacementForConcurrentHashMap<K,V> extends HashMap<K, V> implements ConcurrentMap<K,V> {
+
+}