diff --git a/src/main/java/org/apache/ibatis/reflection/ParamNameResolver.java b/src/main/java/org/apache/ibatis/reflection/ParamNameResolver.java index 53d0c82702c..67aef542621 100644 --- a/src/main/java/org/apache/ibatis/reflection/ParamNameResolver.java +++ b/src/main/java/org/apache/ibatis/reflection/ParamNameResolver.java @@ -1,5 +1,5 @@ /* - * Copyright 2009-2023 the original author or authors. + * Copyright 2009-2024 the original author or authors. * * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. @@ -35,6 +35,14 @@ public class ParamNameResolver { public static final String GENERIC_NAME_PREFIX = "param"; + public static final String[] GENERIC_NAME_CACHE = new String[10]; + + static { + for (int i = 0; i < 10; i++) { + GENERIC_NAME_CACHE[i] = GENERIC_NAME_PREFIX + (i + 1); + } + } + private final boolean useActualParamName; /** @@ -132,7 +140,7 @@ public Object getNamedParams(Object[] args) { for (Map.Entry entry : names.entrySet()) { param.put(entry.getValue(), args[entry.getKey()]); // add generic param names (param1, param2, ...) - final String genericParamName = GENERIC_NAME_PREFIX + (i + 1); + final String genericParamName = i < 10 ? GENERIC_NAME_CACHE[i] : GENERIC_NAME_PREFIX + (i + 1); // ensure not to overwrite parameter named with @Param if (!names.containsValue(genericParamName)) { param.put(genericParamName, args[entry.getKey()]);