Added Sample project to show how to set up interceptors for repositories.

Author: odrotbohm

pom.xml

@@ -15,6 +15,7 @@
 	<modules>
 		<module>spring-data-jpa-example</module>
 		<module>spring-data-jpa-showcase</module>
+		<module>spring-data-jpa-interceptors</module>
 	</modules>
 
 	<developers>

spring-data-jpa-interceptors/pom.xml

@@ -0,0 +1,16 @@
+<?xml version="1.0"?>
+<project xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd"
+	xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance">
+	<modelVersion>4.0.0</modelVersion>
+	
+	<parent>
+		<groupId>org.springframework.data.jpa.examples</groupId>
+		<artifactId>spring-data-jpa-examples-parent</artifactId>
+		<version>1.1.0.RELEASE</version>
+		<relativePath>../pom.xml</relativePath>
+	</parent>
+
+	<artifactId>spring-data-jpa-interceptors</artifactId>
+	<name>Spring Data JPA - Interceptor sample</name>
+
+</project>

spring-data-jpa-interceptors/src/main/java/org/spring/data/jpa/sample/interceptors/ApplicationConfiguration.java

@@ -0,0 +1,50 @@
+/*
+ * Copyright 2012 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.spring.data.jpa.sample.interceptors;
+
+import org.springframework.aop.Advisor;
+import org.springframework.aop.aspectj.AspectJExpressionPointcut;
+import org.springframework.aop.interceptor.CustomizableTraceInterceptor;
+import org.springframework.aop.support.DefaultPointcutAdvisor;
+import org.springframework.context.annotation.Bean;
+import org.springframework.context.annotation.Configuration;
+import org.springframework.context.annotation.EnableAspectJAutoProxy;
+import org.springframework.context.annotation.Import;
+
+@Configuration
+@Import(InfrastructureConfiguration.class)
+@EnableAspectJAutoProxy
+public class ApplicationConfiguration {
+
+	@Bean
+	public CustomizableTraceInterceptor interceptor() {
+
+		CustomizableTraceInterceptor interceptor = new CustomizableTraceInterceptor();
+		interceptor.setEnterMessage("Entering $[methodName]($[arguments]).");
+		interceptor.setExitMessage("Leaving $[methodName](..) with return value $[returnValue], took $[invocationTime]ms.");
+
+		return interceptor;
+	}
+
+	@Bean
+	public Advisor traceAdvisor() {
+
+		AspectJExpressionPointcut pointcut = new AspectJExpressionPointcut();
+		pointcut.setExpression("execution(public * org.springframework.data.repository.Repository+.*(..))");
+
+		return new DefaultPointcutAdvisor(pointcut, interceptor());
+	}
+}

spring-data-jpa-interceptors/src/main/java/org/spring/data/jpa/sample/interceptors/Customer.java

@@ -0,0 +1,32 @@
+/*
+ * Copyright 2012 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.spring.data.jpa.sample.interceptors;
+
+import javax.persistence.Entity;
+import javax.persistence.GeneratedValue;
+import javax.persistence.Id;
+
+@Entity
+public class Customer {
+
+	@Id
+	@GeneratedValue
+	Long id;
+
+	String firstname;
+	String lastname;
+
+}

spring-data-jpa-interceptors/src/main/java/org/spring/data/jpa/sample/interceptors/CustomerRepository.java

@@ -0,0 +1,22 @@
+/*
+ * Copyright 2012 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.spring.data.jpa.sample.interceptors;
+
+import org.springframework.data.repository.CrudRepository;
+
+public interface CustomerRepository extends CrudRepository<Customer, Long> {
+
+}

spring-data-jpa-interceptors/src/main/java/org/spring/data/jpa/sample/interceptors/InfrastructureConfiguration.java

@@ -0,0 +1,61 @@
+/*
+ * Copyright 2012 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.spring.data.jpa.sample.interceptors;
+
+import javax.sql.DataSource;
+
+import org.springframework.context.annotation.Bean;
+import org.springframework.data.jpa.repository.config.EnableJpaRepositories;
+import org.springframework.jdbc.datasource.embedded.EmbeddedDatabaseBuilder;
+import org.springframework.jdbc.datasource.embedded.EmbeddedDatabaseType;
+import org.springframework.orm.jpa.JpaTransactionManager;
+import org.springframework.orm.jpa.LocalContainerEntityManagerFactoryBean;
+import org.springframework.orm.jpa.vendor.Database;
+import org.springframework.orm.jpa.vendor.HibernateJpaVendorAdapter;
+import org.springframework.transaction.PlatformTransactionManager;
+
+@EnableJpaRepositories
+public class InfrastructureConfiguration {
+
+	@Bean
+	public DataSource dataSource() {
+		EmbeddedDatabaseBuilder builder = new EmbeddedDatabaseBuilder();
+		return builder.setType(EmbeddedDatabaseType.HSQL).build();
+	}
+
+	@Bean
+	public LocalContainerEntityManagerFactoryBean entityManagerFactory() {
+
+		HibernateJpaVendorAdapter vendorAdapter = new HibernateJpaVendorAdapter();
+		vendorAdapter.setDatabase(Database.HSQL);
+		vendorAdapter.setGenerateDdl(true);
+
+		LocalContainerEntityManagerFactoryBean factory = new LocalContainerEntityManagerFactoryBean();
+		factory.setJpaVendorAdapter(vendorAdapter);
+		factory.setPackagesToScan(getClass().getPackage().getName());
+		factory.setDataSource(dataSource());
+
+		return factory;
+	}
+
+	@Bean
+	public PlatformTransactionManager transactionManager() {
+
+		JpaTransactionManager txManager = new JpaTransactionManager();
+		txManager.setEntityManagerFactory(entityManagerFactory().getObject());
+		return txManager;
+	}
+}

spring-data-jpa-interceptors/src/test/java/org/spring/data/jpa/sample/interceptors/InterceptorIntegrationTest.java

@@ -0,0 +1,40 @@
+/*
+ * Copyright 2012 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.spring.data.jpa.sample.interceptors;
+
+import org.junit.Test;
+import org.junit.runner.RunWith;
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.test.context.ContextConfiguration;
+import org.springframework.test.context.junit4.SpringJUnit4ClassRunner;
+
+@RunWith(SpringJUnit4ClassRunner.class)
+@ContextConfiguration(classes = ApplicationConfiguration.class)
+public class InterceptorIntegrationTest {
+
+	@Autowired
+	CustomerRepository repository;
+
+	@Test
+	public void foo() {
+
+		Customer customer = new Customer();
+		customer.firstname = "Dave";
+		customer.lastname = "Matthews";
+
+		repository.save(customer);
+	}
+}

spring-data-jpa-interceptors/src/test/resources/log4j.properties

@@ -0,0 +1,12 @@
+# Direct log messages to stdout
+log4j.appender.stdout=org.apache.log4j.ConsoleAppender
+log4j.appender.stdout.Target=System.out
+log4j.appender.stdout.layout=org.apache.log4j.PatternLayout
+log4j.appender.stdout.layout.ConversionPattern=%d{ABSOLUTE} %5p %50.50c:%4L - %m%n
+
+# Root logger option
+log4j.rootLogger=WARN, stdout
+
+# Detailed log levels
+log4j.logger.org.springframework.data=DEBUG
+log4j.logger.org.springframework.aop.interceptor=TRACE

spring-data-jpa-interceptors/template.mf

@@ -0,0 +1,19 @@
+Bundle-ManifestVersion: 2
+Bundle-SymbolicName: org.springframework.data.jpa.interceptors
+Bundle-Name: ${project.name}
+Bundle-Vendor: SpringSource
+Bundle-Version: ${project.version}
+Bundle-RequiredExecutionEnvironment: J2SE-1.6
+Import-Package: 
+ javax.sql;version="0.0.0",
+ org.hsqldb;version="[1.8.0,1.9.0)"
+Export-Template: 
+ org.springframework.data.jpa.sample.*;version="${project.version}"
+Import-Template:
+ javax.persistence.*;version="${jpa.version:[=.=.=,+1.0.0)}",
+ org.aopalliance.aop;version="[1.0,2.0)",
+ org.springframework.*;version="${spring.version:[=.=.=.=,+1.0.0)}",
+ org.springframework.data.*;version="${project.version:[=.=.=.=,+1.0.0)}"
+Import-Library: 
+ org.springframework.spring;version="${spring.version:[=.=.=.=,+1.0.0)}",
+ org.hibernate.ejb;version="[4.1.4,5.0.0)"