Sonar fixes

- a few complexities
- final method calls from ctor
- raw exception throwing
- useless overrides
- loss of stack trace

spring-integration-jpa/src/main/java/org/springframework/integration/jpa/core/JpaExecutor.java

@@ -611,7 +611,7 @@ public class JpaExecutor implements InitializingBean, BeanFactoryAware {
 					catch (NumberFormatException e) {
 						throw new IllegalArgumentException(
 								"Value " + evaluationResult + " passed as cannot be " +
-										"parsed to a number, expected to be numeric");
+										"parsed to a number, expected to be numeric", e);
 					}
 				}
 				else {

spring-integration-jpa/src/main/java/org/springframework/integration/jpa/support/parametersource/BeanPropertyParameterSource.java

@@ -59,7 +59,7 @@ public class BeanPropertyParameterSource implements ParameterSource {
 			return this.beanWrapper.getPropertyValue(paramName);
 		}
 		catch (NotReadablePropertyException ex) {
-			throw new IllegalArgumentException(ex.getMessage());
+			throw new IllegalArgumentException(ex.getMessage()); // NOSONAR - lost stack trace
 		}
 	}
 

spring-integration-jpa/src/main/java/org/springframework/integration/jpa/support/parametersource/ExpressionEvaluatingParameterSourceUtils.java

@@ -73,13 +73,13 @@ final class ExpressionEvaluatingParameterSourceUtils {
 	public static class ParameterExpressionEvaluator extends AbstractExpressionEvaluator {
 
 		@Override
-		public StandardEvaluationContext getEvaluationContext() {
+		public StandardEvaluationContext getEvaluationContext() { // NOSONAR - not useless, increases visibility
 			return super.getEvaluationContext();
 		}
 
 		@Override
 		@Nullable
-		public Object evaluateExpression(Expression expression, Object input) {
+		public Object evaluateExpression(Expression expression, Object input) { // NOSONAR - not useless, increases vis.
 			return super.evaluateExpression(expression, input);
 		}