diff --git a/spring-integration-jdbc/src/main/java/org/springframework/integration/jdbc/lock/JdbcLockRegistry.java b/spring-integration-jdbc/src/main/java/org/springframework/integration/jdbc/lock/JdbcLockRegistry.java
index 0d20200341..cae7d922d7 100644
--- a/spring-integration-jdbc/src/main/java/org/springframework/integration/jdbc/lock/JdbcLockRegistry.java
+++ b/spring-integration-jdbc/src/main/java/org/springframework/integration/jdbc/lock/JdbcLockRegistry.java
@@ -68,7 +68,7 @@ public class JdbcLockRegistry implements ExpirableLockRegistry, RenewableLockReg
 	private final Lock lock = new ReentrantLock();
 
 	private final Map<String, JdbcLock> locks =
-			new LinkedHashMap<String, JdbcLock>(16, 0.75F, true) {
+			new LinkedHashMap<>(16, 0.75F, true) {
 
 				@Override
 				protected boolean removeEldestEntry(Entry<String, JdbcLock> eldest) {
@@ -327,7 +327,7 @@ public class JdbcLockRegistry implements ExpirableLockRegistry, RenewableLockReg
 		}
 
 		public boolean isAcquiredInThisProcess() {
-			return delegate.isLocked();
+			return this.delegate.isLocked();
 		}
 
 		public boolean renew() {