GH-9441: Deprecate Hazelcast module

Fixes: #9441

The most important Hazelcast CP Subsystem has been migrated to the Enterprise Edition.
Therefore, we cannon provide Open Source support for feature based on those in the commercial Hazelcast.

Author: artembilan

spring-integration-hazelcast/src/main/java/org/springframework/integration/hazelcast/CacheEventType.java

@@ -1,5 +1,5 @@
 /*
- * Copyright 2015-2022 the original author or authors.
+ * Copyright 2015-2025 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.
@@ -26,6 +26,7 @@
  *
  * @see org.springframework.integration.hazelcast.inbound.AbstractHazelcastMessageProducer
  */
+@Deprecated(forRemoval = true, since = "6.5")
 public enum CacheEventType {
 
 	/**

spring-integration-hazelcast/src/main/java/org/springframework/integration/hazelcast/CacheListeningPolicyType.java

@@ -1,5 +1,5 @@
 /*
- * Copyright 2015-2022 the original author or authors.
+ * Copyright 2015-2025 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.
@@ -26,6 +26,7 @@
  *
  * @see org.springframework.integration.hazelcast.inbound.AbstractHazelcastMessageProducer
  */
+@Deprecated(forRemoval = true, since = "6.5")
 public enum CacheListeningPolicyType {
 
 	/**

spring-integration-hazelcast/src/main/java/org/springframework/integration/hazelcast/ClusterMonitorType.java

@@ -1,5 +1,5 @@
 /*
- * Copyright 2015-2022 the original author or authors.
+ * Copyright 2015-2025 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.
@@ -28,6 +28,7 @@
  * @see com.hazelcast.core.DistributedObjectListener
  * @see com.hazelcast.core.LifecycleListener
  */
+@Deprecated(forRemoval = true, since = "6.5")
 public enum ClusterMonitorType {
 
 	/**

spring-integration-hazelcast/src/main/java/org/springframework/integration/hazelcast/DistributedSQLIterationType.java

@@ -1,5 +1,5 @@
 /*
- * Copyright 2015-2022 the original author or authors.
+ * Copyright 2015-2025 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.
@@ -27,6 +27,7 @@
  * @see org.springframework.integration.hazelcast.inbound.HazelcastDistributedSQLMessageSource
  * @see com.hazelcast.map.IMap
  */
+@Deprecated(forRemoval = true, since = "6.5")
 public enum DistributedSQLIterationType {
 
 	/**

spring-integration-hazelcast/src/main/java/org/springframework/integration/hazelcast/HazelcastHeaders.java

@@ -1,5 +1,5 @@
 /*
- * Copyright 2015-2022 the original author or authors.
+ * Copyright 2015-2025 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.
@@ -24,6 +24,7 @@
  *
  * @since 6.0
  */
+@Deprecated(forRemoval = true, since = "6.5")
 public abstract class HazelcastHeaders {
 
 	private static final String PREFIX = "hazelcast_";

spring-integration-hazelcast/src/main/java/org/springframework/integration/hazelcast/HazelcastIntegrationDefinitionValidator.java

@@ -1,5 +1,5 @@
 /*
- * Copyright 2015-2022 the original author or authors.
+ * Copyright 2015-2025 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.
@@ -40,6 +40,8 @@
  *
  * @since 6.0
  */
+@Deprecated(forRemoval = true, since = "6.5")
+@SuppressWarnings("removal")
 public final class HazelcastIntegrationDefinitionValidator {
 
 	public static <E extends Enum<E>> Set<String> validateEnumType(final Class<E> enumType, final String types) {

spring-integration-hazelcast/src/main/java/org/springframework/integration/hazelcast/HazelcastLocalInstanceRegistrar.java

@@ -1,5 +1,5 @@
 /*
- * Copyright 2015-2022 the original author or authors.
+ * Copyright 2015-2025 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.
@@ -40,6 +40,8 @@
  *
  * @since 6.0
  */
+@Deprecated(forRemoval = true, since = "6.5")
+@SuppressWarnings("removal")
 public class HazelcastLocalInstanceRegistrar implements SmartInitializingSingleton {
 
 	private static final Log logger = LogFactory.getLog(HazelcastLocalInstanceRegistrar.class);

spring-integration-hazelcast/src/main/java/org/springframework/integration/hazelcast/config/HazelcastIntegrationConfigurationInitializer.java

@@ -1,5 +1,5 @@
 /*
- * Copyright 2015-2022 the original author or authors.
+ * Copyright 2015-2025 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.
@@ -31,6 +31,8 @@
  *
  * @since 6.0
  */
+@Deprecated(forRemoval = true, since = "6.5")
+@SuppressWarnings("removal")
 public class HazelcastIntegrationConfigurationInitializer implements IntegrationConfigurationInitializer {
 
 	@Override

spring-integration-hazelcast/src/main/java/org/springframework/integration/hazelcast/config/xml/HazelcastClusterMonitorInboundChannelAdapterParser.java

@@ -1,5 +1,5 @@
 /*
- * Copyright 2015-2022 the original author or authors.
+ * Copyright 2015-2025 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.
@@ -34,6 +34,8 @@
  * @author Eren Avsarogullari
  * @since 6.0
  */
+@Deprecated(forRemoval = true, since = "6.5")
+@SuppressWarnings("removal")
 public class HazelcastClusterMonitorInboundChannelAdapterParser extends
 		AbstractSingleBeanDefinitionParser {
 

spring-integration-hazelcast/src/main/java/org/springframework/integration/hazelcast/config/xml/HazelcastContinuousQueryInboundChannelAdapterParser.java

@@ -1,5 +1,5 @@
 /*
- * Copyright 2015-2022 the original author or authors.
+ * Copyright 2015-2025 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.
@@ -37,6 +37,8 @@
  *
  * @since 6.0
  */
+@Deprecated(forRemoval = true, since = "6.5")
+@SuppressWarnings("removal")
 public class HazelcastContinuousQueryInboundChannelAdapterParser extends AbstractSingleBeanDefinitionParser {
 
 	private static final String CHANNEL_ATTRIBUTE = "channel";