Requires an EntityManagerFactory or EntityManager to be set, + * providing a JpaTemplate based on it to subclasses. Can alternatively + * be initialized directly via a JpaTemplate, to reuse the latter's + * settings such as the EntityManagerFactory, JpaDialect, flush mode, etc. + * + *
This class will create its own GemfireTemplate if an EntityManagerFactory
+ * or EntityManager reference is passed in. A custom JpaTemplate instance
+ * can be used through overriding createJpaTemplate.
+ *
+ * @author Costin Leau
+ */
+public class GemfireDaoSupport extends DaoSupport {
+
+ private GemfireTemplate gemfireTemplate;
+
+ /**
+ * Sets the GemFire Region to be used by this DAO.
+ * Will automatically create a GemfireTemplate for the given Region.
+ *
+ * @param region
+ */
+ public void setRegion(Region region) {
+ this.gemfireTemplate = createGemfireTemplate(region);
+ }
+
+ /**
+ * Creates a GemfireTemplate for the given Region.
+ *
Can be overridden in subclasses to provide a GemfireTemplate instance
+ * with different configuration, or a custom GemfireTemplate subclass.
+ * @param region the GemFire Region to create a GemfireTemplate for
+ * @return the new GemfireTemplate instance
+ * @see #setRegion
+ */
+ protected GemfireTemplate createGemfireTemplate(Region region) {
+ return new GemfireTemplate(region);
+ }
+
+ /**
+ * Set the GemfireTemplate for this DAO explicitly,
+ * as an alternative to specifying a GemFire {@link Region}.
+ * @see #setRegion
+ */
+ public final void setGemfireTemplate(GemfireTemplate gemfireTemplate) {
+ this.gemfireTemplate = gemfireTemplate;
+ }
+
+ /**
+ * Return the GemfireTemplate for this DAO, pre-initialized
+ * with the Region or set explicitly.
+ */
+ public final GemfireTemplate getGemfireTemplate() {
+ return gemfireTemplate;
+ }
+
+ @Override
+ protected final void checkDaoConfig() {
+ Assert.notNull(gemfireTemplate, "region or gemfireTemplate is required");
+ }
+}
\ No newline at end of file
diff --git a/src/main/java/org/springframework/data/gemfire/support/package-info.java b/src/main/java/org/springframework/data/gemfire/support/package-info.java
new file mode 100644
index 00000000..e8a2b621
--- /dev/null
+++ b/src/main/java/org/springframework/data/gemfire/support/package-info.java
@@ -0,0 +1,9 @@
+
+/**
+ *
+ * Classes supporting the org.springframework.data.gemfire package.
+ * Contains a DAO base class for GemfireTemplate usage.
+ *
+ */
+package org.springframework.data.gemfire.support;
+
diff --git a/src/test/java/org/springframework/data/gemfire/support/GemfireDaoSupportTests.java b/src/test/java/org/springframework/data/gemfire/support/GemfireDaoSupportTests.java
new file mode 100644
index 00000000..5b369dda
--- /dev/null
+++ b/src/test/java/org/springframework/data/gemfire/support/GemfireDaoSupportTests.java
@@ -0,0 +1,56 @@
+/*
+ * Copyright 2011 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.support;
+
+import java.util.ArrayList;
+import java.util.List;
+
+import junit.framework.TestCase;
+
+import org.springframework.data.gemfire.GemfireTemplate;
+
+/**
+ * @author Costin Leau
+ *
+ */
+public class GemfireDaoSupportTests extends TestCase {
+
+ public void testGemfireDaoSupportWithTemplate() throws Exception {
+ GemfireTemplate template = new GemfireTemplate();
+ final List test = new ArrayList();
+ GemfireDaoSupport dao = new GemfireDaoSupport() {
+ protected void initDao() {
+ test.add("test");
+ }
+ };
+ dao.setGemfireTemplate(template);
+ dao.afterPropertiesSet();
+ assertNotNull("template not created", dao.getGemfireTemplate());
+ assertEquals("incorrect template", template, dao.getGemfireTemplate());
+ assertEquals("initDao not called", test.size(), 1);
+ }
+
+ public void testInvalidDaoTemplate() throws Exception {
+ GemfireDaoSupport dao = new GemfireDaoSupport() {
+ };
+ try {
+ dao.afterPropertiesSet();
+ fail("expected exception");
+ } catch (IllegalArgumentException iae) {
+ // okay
+ }
+ }
+}
\ No newline at end of file