Add Spring Boot auto-configuration for Apache Geode Continuous Queries (CQ).

spring-boot-data-geode/src/main/java/org/springframework/boot/data/geode/autoconfigure/GeodeContinuousQueryAutoConfiguration.java

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+/*
+ * Copyright 2018 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
+ *
+ *     http://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.data.geode.autoconfigure;import org.apache.geode.cache.Cache;
+import org.apache.geode.cache.client.ClientCache;
+import org.springframework.boot.autoconfigure.EnableAutoConfiguration;
+import org.springframework.boot.autoconfigure.condition.ConditionalOnBean;
+import org.springframework.boot.autoconfigure.condition.ConditionalOnClass;
+import org.springframework.boot.autoconfigure.condition.ConditionalOnMissingBean;
+import org.springframework.context.annotation.Configuration;
+import org.springframework.data.gemfire.client.ClientCacheFactoryBean;
+import org.springframework.data.gemfire.config.annotation.EnableContinuousQueries;
+
+/**
+ * Spring Boot {@link EnableAutoConfiguration auto-configuration} enabling Apache Geode's Continuous Query (CQ)
+ * functionality in an Spring Boot, Apache Geode {@link ClientCache} application.
+ *
+ * @author John Blum
+ * @see org.apache.geode.cache.client.ClientCache
+ * @see org.springframework.boot.autoconfigure.EnableAutoConfiguration
+ * @see org.springframework.context.annotation.Configuration
+ * @see org.springframework.data.gemfire.client.ClientCacheFactoryBean
+ * @see org.springframework.data.gemfire.config.annotation.EnableContinuousQueries
+ * @since 1.0.0
+ */
+@Configuration
+@ConditionalOnBean(ClientCache.class)
+@ConditionalOnClass({ ClientCacheFactoryBean.class, ClientCache.class })
+@ConditionalOnMissingBean(name = "continuousQueryBeanPostProcessor", value = Cache.class)
+@EnableContinuousQueries
+public class GeodeContinuousQueryAutoConfiguration {
+
+}