Hacking.

Author: mp911de

src/main/java/org/springframework/data/repository/query/CachingValueExpressionSupportHolder.java

@@ -0,0 +1,52 @@
+/*
+ * Copyright 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.
+ * You may obtain a copy of the License at
+ *
+ *      https://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 org.springframework.data.repository.query;
+
+import org.springframework.data.expression.ValueExpression;
+import org.springframework.data.expression.ValueExpressionParser;
+import org.springframework.expression.ParseException;
+import org.springframework.util.ConcurrentLruCache;
+
+/**
+ * Caching variant of {@link ValueExpressionSupportHolder}.
+ *
+ * @author Mark Paluch
+ */
+public class CachingValueExpressionSupportHolder extends ValueExpressionSupportHolder {
+
+	private final ConcurrentLruCache<String, ValueExpression> expressionCache;
+
+	public CachingValueExpressionSupportHolder(ValueExpressionSupportHolder supportHolder) {
+		super(supportHolder);
+		this.expressionCache = new ConcurrentLruCache<>(256, supportHolder.getValueExpressionParser()::parse);
+	}
+
+	public CachingValueExpressionSupportHolder(QueryMethodValueEvaluationContextProviderFactory providerFactory,
+			ValueExpressionParser valueExpressionParser) {
+		super(providerFactory, valueExpressionParser);
+		this.expressionCache = new ConcurrentLruCache<>(256, valueExpressionParser::parse);
+	}
+
+	@Override
+	public ValueExpressionParser getValueExpressionParser() {
+		return this;
+	}
+
+	@Override
+	public ValueExpression parse(String expressionString) throws ParseException {
+		return expressionCache.get(expressionString);
+	}
+}

src/main/java/org/springframework/data/repository/query/ValueExpressionSupportHolder.java

@@ -15,16 +15,23 @@
  */
 package org.springframework.data.repository.query;
 
+import org.springframework.data.expression.ValueExpression;
 import org.springframework.data.expression.ValueExpressionParser;
+import org.springframework.expression.ParseException;
 
 /**
  * @author Mark Paluch
  */
-public final class ValueExpressionSupportHolder {
+public class ValueExpressionSupportHolder implements ValueExpressionParser {
 
 	private final QueryMethodValueEvaluationContextProviderFactory providerFactory;
 	private final ValueExpressionParser valueExpressionParser;
 
+	ValueExpressionSupportHolder(ValueExpressionSupportHolder original) {
+		this.providerFactory = original.providerFactory;
+		this.valueExpressionParser = original.valueExpressionParser;
+	}
+
 	public ValueExpressionSupportHolder(QueryMethodValueEvaluationContextProviderFactory providerFactory,
 			ValueExpressionParser valueExpressionParser) {
 		this.providerFactory = providerFactory;
@@ -39,4 +46,8 @@ public ValueExpressionParser getValueExpressionParser() {
 		return valueExpressionParser;
 	}
 
+	@Override
+	public ValueExpression parse(String expressionString) throws ParseException {
+		return valueExpressionParser.parse(expressionString);
+	}
 }