SGF-172 - added support for countBy... methods

src/test/java/org/springframework/data/gemfire/repository/sample/PersonRepository.java

@@ -17,15 +17,16 @@ package org.springframework.data.gemfire.repository.sample;
 
 import java.util.Collection;
 
+import org.springframework.data.gemfire.repository.GemfireRepository;
 import org.springframework.data.gemfire.repository.Query;
-import org.springframework.data.repository.CrudRepository;
 
 /**
  * Sample repository interface managing {@link Person}s.
  * 
  * @author Oliver Gierke
+ * @author David Turanski
  */
-public interface PersonRepository extends CrudRepository<Person, Long> {
+public interface PersonRepository extends GemfireRepository<Person, Long> {
 
 	@Query("SELECT * FROM /Person p WHERE p.firstname = $1")
 	Collection<Person> findByFirstnameAnnotated(String firstname);
@@ -52,4 +53,11 @@ public interface PersonRepository extends CrudRepository<Person, Long> {
 	Collection<Person> findByLastnameEndingWith(String lastname);
 
 	Collection<Person> findByFirstnameContaining(String firstname);
+
+	long countByFirstname(String firstname);
+
+	int countByLastname(String lastname);
+
+	@Query("SELECT count(*) FROM /Person p WHERE p.firstname = $1")
+	int countFirstNameManual(String firstName);
 }

src/test/java/org/springframework/data/gemfire/repository/support/PersonRepositoryIntegrationTests.java

@@ -0,0 +1,45 @@
+/*
+ * Copyright 2002-2013 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 org.springframework.data.gemfire.repository.support;
+
+import static org.junit.Assert.assertEquals;
+
+import org.junit.Test;
+import org.junit.runner.RunWith;
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.data.gemfire.repository.sample.Person;
+import org.springframework.data.gemfire.repository.sample.PersonRepository;
+import org.springframework.test.context.ContextConfiguration;
+import org.springframework.test.context.junit4.SpringJUnit4ClassRunner;
+
+/**
+ * @author David Turanski
+ *
+ */
+@RunWith(SpringJUnit4ClassRunner.class)
+@ContextConfiguration
+public class PersonRepositoryIntegrationTests {
+	@Autowired
+	PersonRepository repository;
+	
+	@Test
+	public void testCountProjections() {
+		Person dave1 = new Person(1L,"Dave","Matthews");
+		Person dave2 = new Person(2L,"Dave","Turanski");
+		repository.save(dave1);
+		repository.save(dave2);
+		assertEquals(2L,repository.countByFirstname("Dave"));
+		assertEquals(1,repository.countByLastname("Matthews"));
+		assertEquals(2,repository.countFirstNameManual("Dave"));
+	}
+}

src/test/java/org/springframework/data/gemfire/repository/support/SimpleGemfireRepositoryIntegrationTest.java

@@ -55,21 +55,20 @@ public class SimpleGemfireRepositoryIntegrationTest {
 
 	@Autowired
 	GemfireTemplate template;
-	
-	@Resource(name="simple")
-	Region<?,?> simpleRegion;
+
+	@Resource(name = "simple")
+	Region<?, ?> simpleRegion;
 
 	SimpleGemfireRepository<Person, Long> repository;
-	
- 
+
 	RegionClearListener regionClearListener;
 
 	@SuppressWarnings("unchecked")
 	@Before
 	public void setUp() {
+		simpleRegion.clear();
 		regionClearListener = new RegionClearListener();
 		simpleRegion.getAttributesMutator().addCacheListener(regionClearListener);
-		
 		EntityInformation<Person, Long> information = new ReflectionEntityInformation<Person, Long>(Person.class);
 		repository = new SimpleGemfireRepository<Person, Long>(template, information);
 	}
@@ -91,7 +90,7 @@ public class SimpleGemfireRepositoryIntegrationTest {
 		assertThat(repository.findOne(person.id), is(nullValue()));
 		assertThat(repository.findAll().size(), is(0));
 	}
-	
+
 	@Test
 	public void testDeleteAllFiresClearEvent() {
 		assertFalse(regionClearListener.eventFired);
@@ -106,7 +105,8 @@ public class SimpleGemfireRepositoryIntegrationTest {
 
 		template.put(1L, person);
 
-		SelectResults<Person> persons = template.find("SELECT * FROM /simple s WHERE s.firstname = $1", person.firstname);
+		SelectResults<Person> persons = template.find("SELECT * FROM /simple s WHERE s.firstname = $1",
+				person.firstname);
 
 		assertThat(persons.size(), is(1));
 		assertThat(persons.iterator().next(), is(person));
@@ -127,10 +127,11 @@ public class SimpleGemfireRepositoryIntegrationTest {
 		assertThat(result, hasItems(carter, leroi));
 		assertThat(result, not(hasItems(dave)));
 	}
-	
+
 	@SuppressWarnings("rawtypes")
 	public static class RegionClearListener extends CacheListenerAdapter {
 		public boolean eventFired;
+
 		@Override
 		public void afterRegionClear(RegionEvent ev) {
 			eventFired = true;