Add support for Elasticsearch

Add auto-configuration and starters for Elasticsearch.

Fixes gh-408

spring-boot-samples/spring-boot-sample-data-elasticsearch/src/main/java/sample/data/elasticsearch/Customer.java

@@ -0,0 +1,70 @@
+/*
+ * Copyright 2012-2013 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 sample.data.elasticsearch;
+
+import org.springframework.data.annotation.Id;
+import org.springframework.data.elasticsearch.annotations.Document;
+
+@Document(indexName = "customer", type = "customer", shards = 1, replicas = 0, refreshInterval = "-1")
+public class Customer {
+
+	@Id
+	private String id;
+
+	private String firstName;
+
+	private String lastName;
+
+	public Customer() {
+	}
+
+	public Customer(String firstName, String lastName) {
+		this.firstName = firstName;
+		this.lastName = lastName;
+	}
+
+	public String getId() {
+		return this.id;
+	}
+
+	public void setId(String id) {
+		this.id = id;
+	}
+
+	public String getFirstName() {
+		return this.firstName;
+	}
+
+	public void setFirstName(String firstName) {
+		this.firstName = firstName;
+	}
+
+	public String getLastName() {
+		return this.lastName;
+	}
+
+	public void setLastName(String lastName) {
+		this.lastName = lastName;
+	}
+
+	@Override
+	public String toString() {
+		return String.format("Customer[id=%s, firstName='%s', lastName='%s']", this.id,
+				this.firstName, this.lastName);
+	}
+
+}

spring-boot-samples/spring-boot-sample-data-elasticsearch/src/main/java/sample/data/elasticsearch/CustomerRepository.java

@@ -0,0 +1,29 @@
+/*
+ * Copyright 2012-2013 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 sample.data.elasticsearch;
+
+import java.util.List;
+
+import org.springframework.data.elasticsearch.repository.ElasticsearchRepository;
+
+public interface CustomerRepository extends ElasticsearchRepository<Customer, String> {
+
+	public Customer findByFirstName(String firstName);
+
+	public List<Customer> findByLastName(String lastName);
+
+}

spring-boot-samples/spring-boot-sample-data-elasticsearch/src/main/java/sample/data/elasticsearch/SampleElasticsearchApplication.java

@@ -0,0 +1,71 @@
+/*
+ * Copyright 2012-2013 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 sample.data.elasticsearch;
+
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.boot.CommandLineRunner;
+import org.springframework.boot.SpringApplication;
+import org.springframework.boot.autoconfigure.EnableAutoConfiguration;
+import org.springframework.context.annotation.ComponentScan;
+import org.springframework.context.annotation.Configuration;
+
+@Configuration
+@EnableAutoConfiguration
+@ComponentScan
+public class SampleElasticsearchApplication implements CommandLineRunner {
+
+	@Autowired
+	private CustomerRepository repository;
+
+	@Override
+	public void run(String... args) throws Exception {
+		this.repository.deleteAll();
+		saveCustomers();
+		fetchAllCustomers();
+		fetchIndividualCustomers();
+	}
+
+	private void saveCustomers() {
+		this.repository.save(new Customer("Alice", "Smith"));
+		this.repository.save(new Customer("Bob", "Smith"));
+	}
+
+	private void fetchAllCustomers() {
+		System.out.println("Customers found with findAll():");
+		System.out.println("-------------------------------");
+		for (Customer customer : this.repository.findAll()) {
+			System.out.println(customer);
+		}
+		System.out.println();
+	}
+
+	private void fetchIndividualCustomers() {
+		System.out.println("Customer found with findByFirstName('Alice'):");
+		System.out.println("--------------------------------");
+		System.out.println(this.repository.findByFirstName("Alice"));
+
+		System.out.println("Customers found with findByLastName('Smith'):");
+		System.out.println("--------------------------------");
+		for (Customer customer : this.repository.findByLastName("Smith")) {
+			System.out.println(customer);
+		}
+	}
+
+	public static void main(String[] args) throws Exception {
+		SpringApplication.run(SampleElasticsearchApplication.class, "--debug");
+	}
+}