Improve `PropertyMatch` performance using precompiled regex patterns.

Signed-off-by: Kamil Krzywanski <kamilkrzywanski01@gmail.com>
Closes #3375
Original pull request: #3376

src/main/java/org/springframework/data/mapping/context/AbstractMappingContext.java

@@ -29,6 +29,7 @@ import java.util.Set;
 import java.util.concurrent.locks.Lock;
 import java.util.concurrent.locks.ReentrantReadWriteLock;
 import java.util.function.Predicate;
+import java.util.regex.Pattern;
 import java.util.stream.Collectors;
 
 import org.apache.commons.logging.Log;
@@ -93,6 +94,7 @@ import org.springframework.util.ReflectionUtils.FieldFilter;
  * @author Mark Paluch
  * @author Mikael Klamra
  * @author Christoph Strobl
+ * @author Kamil Krzywański
  */
 public abstract class AbstractMappingContext<E extends MutablePersistentEntity<?, P>, P extends PersistentProperty<P>>
 		implements MappingContext<E, P>, ApplicationEventPublisherAware, ApplicationContextAware, BeanFactoryAware,
@@ -812,7 +814,7 @@ public abstract class AbstractMappingContext<E extends MutablePersistentEntity<?
 		 */
 		static class PropertyMatch {
 
-			private final @Nullable String namePattern;
+            private final @Nullable Pattern namePatternRegex;
             private final @Nullable String typeName;
 
 			/**
@@ -826,7 +828,7 @@ public abstract class AbstractMappingContext<E extends MutablePersistentEntity<?
 
 				Assert.isTrue(!((namePattern == null) && (typeName == null)), "Either name pattern or type name must be given");
 
-				this.namePattern = namePattern;
+                this.namePatternRegex = namePattern == null ? null : Pattern.compile(namePattern);
                 this.typeName = typeName;
 			}
 
@@ -862,7 +864,7 @@ public abstract class AbstractMappingContext<E extends MutablePersistentEntity<?
 				Assert.notNull(name, "Name must not be null");
 				Assert.notNull(type, "Type must not be null");
 
-				if ((namePattern != null) && !name.matches(namePattern)) {
+                if (namePatternRegex != null && !namePatternRegex.matcher(name).matches()) {
                     return false;
                 }