Disable auto-configuration of Hazelcast IMDG when Hazelcast Jet is present

spring-boot-project/spring-boot-autoconfigure/src/main/java/org/springframework/boot/autoconfigure/hazelcast/HazelcastConfigResourceCondition.java

@@ -20,6 +20,7 @@
 import org.springframework.boot.autoconfigure.condition.ResourceCondition;
 import org.springframework.boot.autoconfigure.condition.SpringBootCondition;
 import org.springframework.context.annotation.ConditionContext;
+import org.springframework.core.io.Resource;
 import org.springframework.core.type.AnnotatedTypeMetadata;
 import org.springframework.util.Assert;
 
@@ -35,6 +36,8 @@
  */
 public abstract class HazelcastConfigResourceCondition extends ResourceCondition {
 
+	private static final String HAZELCAST_JET_CONFIG_FILE = "classpath:/hazelcast-jet-default.yaml";
+
 	private final String configSystemProperty;
 
 	protected HazelcastConfigResourceCondition(String configSystemProperty, String... resourceLocations) {
@@ -43,6 +46,16 @@ protected HazelcastConfigResourceCondition(String configSystemProperty, String..
 		this.configSystemProperty = configSystemProperty;
 	}
 
+	@Override
+	public ConditionOutcome getMatchOutcome(ConditionContext context, AnnotatedTypeMetadata metadata) {
+		Resource resource = context.getResourceLoader().getResource(HAZELCAST_JET_CONFIG_FILE);
+		if (resource.exists()) {
+			return ConditionOutcome.noMatch(
+					startConditionMessage().because("Found Hazelcast Jet default config file on the classpath."));
+		}
+		return super.getMatchOutcome(context, metadata);
+	}
+
 	@Override
 	protected ConditionOutcome getResourceOutcome(ConditionContext context, AnnotatedTypeMetadata metadata) {
 		if (System.getProperty(this.configSystemProperty) != null) {

spring-boot-project/spring-boot-autoconfigure/src/test/java/org/springframework/boot/autoconfigure/hazelcast/HazelcastAutoConfigurationJetTests.java

@@ -0,0 +1,45 @@
+/*
+ * Copyright 2012-2019 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.
+ * You may obtain a copy of the License at
+ *
+ *      https://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package org.springframework.boot.autoconfigure.hazelcast;
+
+import com.hazelcast.core.HazelcastInstance;
+import org.junit.jupiter.api.Test;
+
+import org.springframework.boot.autoconfigure.AutoConfigurations;
+import org.springframework.boot.test.context.runner.ApplicationContextRunner;
+import org.springframework.boot.testsupport.classpath.ClassPathOverrides;
+
+import static org.assertj.core.api.Assertions.assertThat;
+
+/**
+ * Test for {@link HazelcastAutoConfiguration} when Hazelcast Jet is present. Spring Boot
+ * should not auto-create Hazelcast IMDG instances when Hazelcast Jet is present.
+ *
+ * @author Ali Gurbuz
+ */
+@ClassPathOverrides("com.hazelcast.jet:hazelcast-jet:4.0")
+class HazelcastAutoConfigurationJetTests {
+
+	private final ApplicationContextRunner contextRunner = new ApplicationContextRunner()
+			.withConfiguration(AutoConfigurations.of(HazelcastAutoConfiguration.class));
+
+	@Test
+	void testHazelcastInstanceNotCreatedWhenJetIsPresent() {
+		this.contextRunner.run((context) -> assertThat(context).doesNotHaveBean(HazelcastInstance.class));
+	}
+
+}