optimize map

taoguan · Nov 28, 2023 · 776314f · 776314f
1 parent 0c0541c
commit 776314f
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Showing 3 changed files with 6 additions and 3 deletions.
diff --git a/src/main/java/io/github/taoguan/luaj/lib/jse/CoerceJavaToLua.java b/src/main/java/io/github/taoguan/luaj/lib/jse/CoerceJavaToLua.java
@@ -5,6 +5,7 @@
 import java.util.Collections;
 import java.util.HashMap;
 import java.util.Map;
+import java.util.concurrent.ConcurrentHashMap;
 
 /**
  * Helper class to coerce values from Java to lua within the luajava library. 
@@ -109,7 +110,7 @@ public LuaValue coerce( Object javaValue ) {
 	}
 
 
-	static final Map COERCIONS = Collections.synchronizedMap(new HashMap());
+	static final Map COERCIONS = new ConcurrentHashMap();
 
 	static {
 		Coercion boolCoercion = new BoolCoercion() ;

diff --git a/src/main/java/io/github/taoguan/luaj/lib/jse/CoerceLuaToJava.java b/src/main/java/io/github/taoguan/luaj/lib/jse/CoerceLuaToJava.java
@@ -6,6 +6,7 @@
 import java.util.Collections;
 import java.util.HashMap;
 import java.util.Map;
+import java.util.concurrent.ConcurrentHashMap;
 
 /**
  * Helper class to coerce values from lua to Java within the luajava library. 
@@ -55,7 +56,7 @@ public static Object coerce(io.github.taoguan.luaj.LuaValue value, Class clazz)
 		return getCoercion(clazz).coerce(value);
 	}
 
-	static final Map COERCIONS = Collections.synchronizedMap(new HashMap());
+	static final Map COERCIONS = new ConcurrentHashMap();
 
 	static final class BoolCoercion implements Coercion {
 		public String toString() {

diff --git a/src/main/java/io/github/taoguan/luaj/lib/jse/JavaMethod.java b/src/main/java/io/github/taoguan/luaj/lib/jse/JavaMethod.java
@@ -8,6 +8,7 @@
 import java.util.Collections;
 import java.util.HashMap;
 import java.util.Map;
+import java.util.concurrent.ConcurrentHashMap;
 
 /**
  * LuaValue that represents a Java method.
@@ -22,7 +23,7 @@
  */
 public class JavaMethod extends JavaMember {
 
-	static final Map<Method, JavaMethod> methods = Collections.synchronizedMap(new HashMap());
+	static final Map<Method, JavaMethod> methods = new ConcurrentHashMap();
 
 	static JavaMethod forMethod(Method m) {
 		JavaMethod j = methods.get(m);