#539 - Add spring-data-geode-examples module.

geode/transactions/src/test/java/example/springdata/geode/client/transactions/client/TransactionalClientTests.java

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+/*
+ * Copyright 2020 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 example.springdata.geode.client.transactions.client;
+
+import example.springdata.geode.client.transactions.Customer;
+import example.springdata.geode.client.transactions.EmailAddress;
+import example.springdata.geode.client.transactions.server.TransactionalServer;
+import org.apache.geode.cache.Region;
+import org.junit.BeforeClass;
+import org.junit.Test;
+import org.junit.runner.RunWith;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.boot.test.context.SpringBootTest;
+import org.springframework.data.gemfire.tests.integration.ForkingClientServerIntegrationTestsSupport;
+import org.springframework.test.annotation.DirtiesContext;
+import org.springframework.test.context.junit4.SpringRunner;
+
+import javax.annotation.Resource;
+import java.io.IOException;
+
+import static org.assertj.core.api.Assertions.assertThat;
+
+@RunWith(SpringRunner.class)
+@SpringBootTest(webEnvironment = SpringBootTest.WebEnvironment.NONE, classes = TransactionalClientConfig.class)
+@DirtiesContext(classMode = DirtiesContext.ClassMode.AFTER_CLASS)
+public class TransactionalClientTests extends ForkingClientServerIntegrationTestsSupport {
+
+	@Autowired
+	private CustomerService customerService;
+
+	@Resource(name = "Customers")
+	private Region<Long, Customer> customers;
+
+	private Logger logger = LoggerFactory.getLogger(this.getClass());
+
+	@BeforeClass
+	public static void setup() throws IOException {
+		startGemFireServer(TransactionalServer.class);
+	}
+
+	@Test
+	public void transactionsConfiguredCorrectly() throws InterruptedException {
+
+		logger.info("Number of Entries stored before = " + customerService.numberEntriesStoredOnServer());
+		customerService.createFiveCustomers();
+		assertThat(customerService.numberEntriesStoredOnServer()).isEqualTo(5);
+		logger.info("Number of Entries stored after = " + customerService.numberEntriesStoredOnServer());
+		logger.info("Customer for ID before (transaction commit success) = " + customerService.findById(2L).get());
+		customerService.updateCustomersSuccess();
+		assertThat(customerService.numberEntriesStoredOnServer()).isEqualTo(5);
+		Customer customer = customerService.findById(2L).get();
+		assertThat(customer.getFirstName()).isEqualTo("Humpty");
+		logger.info("Customer for ID after (transaction commit success) = " + customer);
+
+		try {
+			customerService.updateCustomersFailure();
+		} catch (IllegalArgumentException exception) {
+			exception.printStackTrace();
+		}
+
+		customer = customerService.findById(2L).get();
+		assertThat(customer.getFirstName()).isEqualTo("Humpty");
+		logger.info("Customer for ID after (transaction commit failure) = " + customerService.findById(2L).get());
+
+		Customer numpty = new Customer(2L, new EmailAddress("2@2.com"), "Numpty", "Hamilton");
+		Customer frumpy = new Customer(2L, new EmailAddress("2@2.com"), "Frumpy", "Hamilton");
+		customerService.updateCustomersWithDelay(1000, numpty);
+		customerService.updateCustomersWithDelay(10, frumpy);
+		customer = customerService.findById(2L).get();
+		assertThat(customer).isEqualTo(frumpy);
+		logger.info("Customer for ID after 2 updates with delay = " + customer);
+	}
+}

geode/transactions/src/test/resources/logback.xml

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+<configuration>
+    <appender name="STDOUT" class="ch.qos.logback.core.ConsoleAppender">
+        <encoder>
+            <pattern>%msg%n</pattern>
+        </encoder>
+    </appender>
+    <root level="error">
+        <appender-ref ref="STDOUT"/>
+    </root>
+    <statusListener class="ch.qos.logback.core.status.NopStatusListener"/>
+</configuration>