Code Cleanup - StringBuilder, Redundant Iteration, Record

binders/kafka-binder/spring-cloud-stream-binder-kafka-streams/src/main/java/org/springframework/cloud/stream/binder/kafka/streams/KafkaStreamsFunctionProcessor.java

@@ -69,6 +69,7 @@
  * @author Soby Chacko
  * @author Byungjun You
  * @author Georg Friedrich
+ * @author Omer Celik
  * @since 2.2.0
  */
 public class KafkaStreamsFunctionProcessor extends AbstractKafkaStreamsBinderProcessor implements BeanFactoryAware {
@@ -475,7 +476,7 @@ private void handleKStreamArrayOutbound(ResolvableType resolvableType, String fu
 			String next = iterator.next();
 			kafkaStreamsBindableProxyFactory.addOutputBinding(next, KStream.class);
 			RootBeanDefinition rootBeanDefinition1 = new RootBeanDefinition();
-			rootBeanDefinition1.setInstanceSupplier(() -> kafkaStreamsBindableProxyFactory.getOutputHolders().get(next).getBoundTarget());
+			rootBeanDefinition1.setInstanceSupplier(() -> kafkaStreamsBindableProxyFactory.getOutputHolders().get(next).boundTarget());
 			registry.registerBeanDefinition(next, rootBeanDefinition1);
 
 			Object targetBean = this.applicationContext.getBean(next);

binders/kafka-binder/spring-cloud-stream-binder-kafka-streams/src/main/java/org/springframework/cloud/stream/binder/kafka/streams/function/KafkaStreamsBindableProxyFactory.java

@@ -1,5 +1,5 @@
 /*
- * Copyright 2019-2023 the original author or authors.
+ * Copyright 2019-2024 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.
@@ -65,6 +65,7 @@
  * the actual size in the returned array. That has to wait until the function is invoked and we get a result.
  *
  * @author Soby Chacko
+ * @author Omer Celik
  * @since 3.0.0
  */
 public class KafkaStreamsBindableProxyFactory extends AbstractBindableProxyFactory implements InitializingBean, BeanFactoryAware {
@@ -173,7 +174,7 @@ public void afterPropertiesSet() {
 							.createOutput(outputBinding), true));
 			String outputBinding1 = outputBinding;
 			RootBeanDefinition rootBeanDefinition1 = new RootBeanDefinition();
-			rootBeanDefinition1.setInstanceSupplier(() -> outputHolders.get(outputBinding1).getBoundTarget());
+			rootBeanDefinition1.setInstanceSupplier(() -> outputHolders.get(outputBinding1).boundTarget());
 			BeanDefinitionRegistry registry = (BeanDefinitionRegistry) beanFactory;
 			registry.registerBeanDefinition(outputBinding1, rootBeanDefinition1);
 		}
@@ -248,7 +249,7 @@ private void bindInput(ResolvableType arg0, String inputName) {
 		}
 		BeanDefinitionRegistry registry = (BeanDefinitionRegistry) beanFactory;
 		RootBeanDefinition rootBeanDefinition = new RootBeanDefinition();
-		rootBeanDefinition.setInstanceSupplier(() -> inputHolders.get(inputName).getBoundTarget());
+		rootBeanDefinition.setInstanceSupplier(() -> inputHolders.get(inputName).boundTarget());
 		registry.registerBeanDefinition(inputName, rootBeanDefinition);
 	}
 

core/spring-cloud-stream/src/main/java/org/springframework/cloud/stream/binding/AbstractBindableProxyFactory.java

@@ -1,5 +1,5 @@
 /*
- * Copyright 2019-2022 the original author or authors.
+ * Copyright 2019-2024 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.
@@ -35,6 +35,7 @@
  *
  * Original authors in {@link BindableProxyFactory}
  * @author Soby Chacko
+ * @author Omer Celik
  * @since 3.0.0
  */
 public class AbstractBindableProxyFactory implements Bindable {
@@ -94,9 +95,9 @@ public Collection<Binding<Object>> createAndBindInputs(
 			.entrySet()) {
 			String inputTargetName = boundTargetHolderEntry.getKey();
 			BoundTargetHolder boundTargetHolder = boundTargetHolderEntry.getValue();
-			if (boundTargetHolder.isBindable()) {
+			if (boundTargetHolder.bindable()) {
 				bindings.addAll(bindingService.bindConsumer(
-					boundTargetHolder.getBoundTarget(), inputTargetName));
+					boundTargetHolder.boundTarget(), inputTargetName));
 			}
 		}
 		return bindings;
@@ -111,9 +112,9 @@ public Collection<Binding<Object>> createAndBindOutputs(
 			.entrySet()) {
 			BoundTargetHolder boundTargetHolder = boundTargetHolderEntry.getValue();
 			String outputTargetName = boundTargetHolderEntry.getKey();
-			if (boundTargetHolderEntry.getValue().isBindable()) {
+			if (boundTargetHolderEntry.getValue().bindable()) {
 				bindings.add(bindingService.bindProducer(
-					boundTargetHolder.getBoundTarget(), outputTargetName));
+					boundTargetHolder.boundTarget(), outputTargetName));
 			}
 		}
 		return bindings;
@@ -123,7 +124,7 @@ public Collection<Binding<Object>> createAndBindOutputs(
 	public void unbindInputs(BindingService bindingService) {
 		for (Map.Entry<String, BoundTargetHolder> boundTargetHolderEntry : this.inputHolders
 			.entrySet()) {
-			if (boundTargetHolderEntry.getValue().isBindable()) {
+			if (boundTargetHolderEntry.getValue().bindable()) {
 				bindingService.unbindConsumers(boundTargetHolderEntry.getKey());
 			}
 		}
@@ -133,7 +134,7 @@ public void unbindInputs(BindingService bindingService) {
 	public void unbindOutputs(BindingService bindingService) {
 		for (Map.Entry<String, BoundTargetHolder> boundTargetHolderEntry : this.outputHolders
 			.entrySet()) {
-			if (boundTargetHolderEntry.getValue().isBindable()) {
+			if (boundTargetHolderEntry.getValue().bindable()) {
 				bindingService.unbindProducers(boundTargetHolderEntry.getKey());
 			}
 		}

core/spring-cloud-stream/src/main/java/org/springframework/cloud/stream/binding/BoundTargetHolder.java

@@ -1,5 +1,5 @@
 /*
- * Copyright 2015-2019 the original author or authors.
+ * Copyright 2015-2024 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.
@@ -24,25 +24,8 @@
  *
  * @author Original authors in {@link BindableProxyFactory}
  * @author Soby Chacko
+ * @author Omer Celik
  * @since 3.0.0
  */
-public final class BoundTargetHolder {
-
-	private Object boundTarget;
-
-	private boolean bindable;
-
-	public BoundTargetHolder(Object boundTarget, boolean bindable) {
-		this.boundTarget = boundTarget;
-		this.bindable = bindable;
-	}
-
-	public Object getBoundTarget() {
-		return this.boundTarget;
-	}
-
-	public boolean isBindable() {
-		return this.bindable;
-	}
-
+public record BoundTargetHolder(Object boundTarget, boolean bindable) {
 }

core/spring-cloud-stream/src/main/java/org/springframework/cloud/stream/config/BindingProperties.java

@@ -1,5 +1,5 @@
 /*
- * Copyright 2015-2018 the original author or authors.
+ * Copyright 2015-2024 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.
@@ -148,16 +148,16 @@ public boolean onlyOneOfProducerOrConsumerSet() {
 	@Override
 	public String toString() {
 		StringBuilder sb = new StringBuilder();
-		sb.append("destination=" + this.destination);
+		sb.append("destination=").append(this.destination);
 		sb.append(COMMA);
-		sb.append("group=" + this.group);
+		sb.append("group=").append(this.group);
 		sb.append(COMMA);
 		if (this.contentType != null) {
-			sb.append("contentType=" + this.contentType);
+			sb.append("contentType=").append(this.contentType);
 			sb.append(COMMA);
 		}
 		if (this.binder != null) {
-			sb.append("binder=" + this.binder);
+			sb.append("binder=").append(this.binder);
 			sb.append(COMMA);
 		}
 		sb.deleteCharAt(sb.lastIndexOf(COMMA));

core/spring-cloud-stream/src/main/java/org/springframework/cloud/stream/config/BindingServiceConfiguration.java

@@ -78,6 +78,7 @@
  * @author Oleg Zhurakousky
  * @author Soby Chacko
  * @author Chris Bono
+ * @author Omer Celik
  */
 @AutoConfiguration
 @EnableConfigurationProperties({ BindingServiceProperties.class,
@@ -132,6 +133,7 @@ public static Map<String, BinderConfiguration> getBinderConfigurations(
 				.entrySet()) {
 			if (configurationEntry.getValue().isDefaultCandidate()) {
 				defaultCandidatesExist = true;
+				break;
 			}
 		}
 		if (!defaultCandidatesExist) {