HHH-5881 - Add getter for "namedParameters" to QueryKey

hibernate-core/src/main/java/org/hibernate/cache/spi/QueryKey.java

@@ -25,6 +25,7 @@
 
 import java.io.IOException;
 import java.io.Serializable;
+import java.util.Collections;
 import java.util.Map;
 import java.util.Set;
 
@@ -54,7 +55,7 @@ public class QueryKey implements Serializable {
 	private final String tenantIdentifier;
 	private final Set filterKeys;
 
-	// the user provided resulttransformer, not the one used with "select new". Here to avoid mangling
+	// the explicit user-provided result transformer, not the one used with "select new". Here to avoid mangling
 	// transformed/non-transformed results.
 	private final CacheableResultTransformer customTransformer;
 
@@ -174,10 +175,25 @@ public static QueryKey generateQueryKey(
 		this.hashCode = generateHashCode();
 	}
 
+	/**
+	 * Provides access to the explicitly user-provided result transformer.
+	 *
+	 * @return The result transformer.
+	 */
 	public CacheableResultTransformer getResultTransformer() {
 		return customTransformer;
 	}
 
+	/**
+	 * Provide (unmodifiable) access to the named parameters that are part of this query.
+	 *
+	 * @return The (unmodifiable) map of named parameters
+	 */
+	@SuppressWarnings("unchecked")
+	public Map getNamedParameters() {
+		return Collections.unmodifiableMap( namedParameters );
+	}
+
 	/**
 	 * Deserialization hook used to re-init the cached hashcode which is needed for proper clustering support.
 	 *
@@ -206,9 +222,6 @@ private int generateHashCode() {
 		return result;
 	}
 
-	/**
-	 * {@inheritDoc}
-	 */
 	@Override
     public boolean equals(Object other) {
 		if ( !( other instanceof QueryKey ) ) {
@@ -251,17 +264,11 @@ public boolean equals(Object other) {
 				&& EqualsHelper.equals( tenantIdentifier, that.tenantIdentifier );
 	}
 
-	/**
-	 * {@inheritDoc}
-	 */
 	@Override
     public int hashCode() {
 		return hashCode;
 	}
 
-	/**
-	 * {@inheritDoc}
-	 */
 	@Override
     public String toString() {
 		StringBuilder buffer = new StringBuilder( "sql: " ).append( sqlQueryString );