Turned Starbucks client into test.

Allows us to benefit from default logging setup. Removed obsolete Tomcat version declaration. Polished StoreInitializer to use Lambdas instead of an enum.

rest/projections/src/main/java/example/orders/LineItem.java

@@ -21,14 +21,18 @@ import javax.persistence.Entity;
 import javax.persistence.GeneratedValue;
 import javax.persistence.Id;
 
-import lombok.Data;
+import lombok.EqualsAndHashCode;
+import lombok.Getter;
 import lombok.RequiredArgsConstructor;
+import lombok.ToString;
 
 /**
  * @author Oliver Gierke
  */
 @Entity
-@Data
+@Getter
+@EqualsAndHashCode(of = "id")
+@ToString
 @RequiredArgsConstructor
 public class LineItem {
 

rest/projections/src/test/java/example/orders/SimpleProjectionTests.java

@@ -0,0 +1,80 @@
+/*
+ * Copyright 2015 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 example.orders;
+
+import static org.hamcrest.CoreMatchers.*;
+import static org.junit.Assert.*;
+
+import java.util.HashMap;
+import java.util.Map;
+
+import org.junit.Test;
+import org.springframework.beans.factory.annotation.Value;
+import org.springframework.data.projection.ProjectionFactory;
+import org.springframework.data.projection.SpelAwareProxyProjectionFactory;
+
+/**
+ * Test cases showing the programatic use of a {@link ProjectionFactory}.
+ * 
+ * @author Oliver Gierke
+ */
+public class SimpleProjectionTests {
+
+	ProjectionFactory factory = new SpelAwareProxyProjectionFactory();
+
+	@Test
+	public void createMapBackedProjection() {
+
+		Customer customer = factory.createProjection(Customer.class);
+		customer.setFirstname("Dave");
+		customer.setLastname("Matthews");
+
+		// Verify accessors work
+		assertThat(customer.getFirstname(), is("Dave"));
+		assertThat(customer.getLastname(), is("Matthews"));
+
+		// Verify evaluating a SpEL expression
+		assertThat(customer.getFullName(), is("Dave Matthews"));
+	}
+
+	@Test
+	public void createsProxyForSourceMap() {
+
+		Map<String, Object> backingMap = new HashMap<>();
+		backingMap.put("firstname", "Dave");
+		backingMap.put("lastname", "Matthews");
+
+		Customer customer = factory.createProjection(Customer.class, backingMap);
+
+		// Verify accessors work
+		assertThat(customer.getFirstname(), is("Dave"));
+		assertThat(customer.getLastname(), is("Matthews"));
+	}
+
+	interface Customer {
+
+		String getFirstname();
+
+		void setFirstname(String firstname);
+
+		String getLastname();
+
+		void setLastname(String lastname);
+
+		@Value("#{target.firstname + ' ' + target.lastname}")
+		String getFullName();
+	}
+}