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new 58401aebd8 JAMES-2433 Implement EventStore for a JPA backend
58401aebd8 is described below
commit 58401aebd86715b00de6390c051d6b60d66f945d
Author: Amichai Rothman <[email protected]>
AuthorDate: Tue Oct 15 12:29:53 2024 +0300
JAMES-2433 Implement EventStore for a JPA backend
---
event-sourcing/event-store-jpa/pom.xml | 128 +++++++++++++++++++++
.../eventstore/jpa/JPAEventStore.java | 118 +++++++++++++++++++
.../eventstore/jpa/model/JPAEvent.java | 124 ++++++++++++++++++++
.../eventstore/jpa/JPAEventSourcingSystemTest.java | 33 ++++++
.../eventstore/jpa/JPAEventStoreExtension.java | 44 +++++++
.../eventstore/jpa/JPAEventStoreTest.java | 33 ++++++
.../eventstore/jpa/model/JPAEventTest.java | 35 ++++++
.../src/test/resources/persistence.xml | 40 +++++++
event-sourcing/pom.xml | 1 +
9 files changed, 556 insertions(+)
diff --git a/event-sourcing/event-store-jpa/pom.xml
b/event-sourcing/event-store-jpa/pom.xml
new file mode 100644
index 0000000000..f7e1fab711
--- /dev/null
+++ b/event-sourcing/event-store-jpa/pom.xml
@@ -0,0 +1,128 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<!--
+ Licensed to the Apache Software Foundation (ASF) under one
+ or more contributor license agreements. See the NOTICE file
+ distributed with this work for additional information
+ regarding copyright ownership. The ASF licenses this file
+ to you 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.
+-->
+<project xmlns="http://maven.apache.org/POM/4.0.0";
xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance";
xsi:schemaLocation="http://maven.apache.org/POM/4.0.0
http://maven.apache.org/maven-v4_0_0.xsd";>
+ <modelVersion>4.0.0</modelVersion>
+
+ <parent>
+ <groupId>org.apache.james</groupId>
+ <artifactId>event-sourcing</artifactId>
+ <version>3.9.0-SNAPSHOT</version>
+ </parent>
+
+ <artifactId>event-sourcing-event-store-jpa</artifactId>
+
+ <name>Apache James :: Event sourcing :: Event Store :: JPA</name>
+ <description>JPA implementation for James Event Store</description>
+
+ <dependencies>
+ <dependency>
+ <groupId>${james.groupId}</groupId>
+ <artifactId>apache-james-backends-jpa</artifactId>
+ </dependency>
+ <dependency>
+ <groupId>${james.groupId}</groupId>
+ <artifactId>apache-james-backends-jpa</artifactId>
+ <type>test-jar</type>
+ <scope>test</scope>
+ </dependency>
+ <dependency>
+ <groupId>${james.groupId}</groupId>
+ <artifactId>event-sourcing-core</artifactId>
+ <scope>test</scope>
+ </dependency>
+ <dependency>
+ <groupId>${james.groupId}</groupId>
+ <artifactId>event-sourcing-core</artifactId>
+ <type>test-jar</type>
+ <scope>test</scope>
+ </dependency>
+ <dependency>
+ <groupId>${james.groupId}</groupId>
+ <artifactId>event-sourcing-event-store-api</artifactId>
+ </dependency>
+ <dependency>
+ <groupId>${james.groupId}</groupId>
+ <artifactId>event-sourcing-event-store-api</artifactId>
+ <type>test-jar</type>
+ <scope>test</scope>
+ </dependency>
+ <dependency>
+ <groupId>${james.groupId}</groupId>
+ <artifactId>event-sourcing-pojo</artifactId>
+ <type>test-jar</type>
+ <scope>test</scope>
+ </dependency>
+ <dependency>
+ <groupId>${james.groupId}</groupId>
+ <artifactId>testing-base</artifactId>
+ <scope>test</scope>
+ </dependency>
+ <dependency>
+ <groupId>io.projectreactor</groupId>
+ <artifactId>reactor-core</artifactId>
+ </dependency>
+ <dependency>
+ <groupId>org.apache.derby</groupId>
+ <artifactId>derby</artifactId>
+ <scope>test</scope>
+ </dependency>
+ <dependency>
+ <groupId>org.mockito</groupId>
+ <artifactId>mockito-core</artifactId>
+ <scope>test</scope>
+ </dependency>
+ </dependencies>
+
+ <build>
+ <plugins>
+ <plugin>
+ <groupId>org.apache.openjpa</groupId>
+ <artifactId>openjpa-maven-plugin</artifactId>
+ <version>${apache.openjpa.version}</version>
+ <configuration>
+
<includes>org/apache/james/eventsourcing/eventstore/jpa/model/JPAEvent.class</includes>
+ <addDefaultConstructor>true</addDefaultConstructor>
+
<enforcePropertyRestrictions>true</enforcePropertyRestrictions>
+ <toolProperties>
+ <property>
+ <name>log</name>
+ <value>TOOL=TRACE</value>
+ </property>
+ <property>
+ <name>metaDataFactory</name>
+
<value>jpa(Types=org.apache.james.eventsourcing.eventstore.jpa.model.JPAEvent)</value>
+ </property>
+ </toolProperties>
+
<persistenceXmlFile>${basedir}/src/test/resources/persistence.xml</persistenceXmlFile>
+ </configuration>
+ <executions>
+ <execution>
+ <id>enhancer</id>
+ <goals>
+ <goal>enhance</goal>
+ </goals>
+ <phase>process-classes</phase>
+ </execution>
+ </executions>
+ </plugin>
+ </plugins>
+ </build>
+
+</project>
\ No newline at end of file
diff --git
a/event-sourcing/event-store-jpa/src/main/java/org/apache/james/eventsourcing/eventstore/jpa/JPAEventStore.java
b/event-sourcing/event-store-jpa/src/main/java/org/apache/james/eventsourcing/eventstore/jpa/JPAEventStore.java
new file mode 100644
index 0000000000..72dbeb2f69
--- /dev/null
+++
b/event-sourcing/event-store-jpa/src/main/java/org/apache/james/eventsourcing/eventstore/jpa/JPAEventStore.java
@@ -0,0 +1,118 @@
+/****************************************************************
+ * Licensed to the Apache Software Foundation (ASF) under one *
+ * or more contributor license agreements. See the NOTICE file *
+ * distributed with this work for additional information *
+ * regarding copyright ownership. The ASF licenses this file *
+ * to you 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.apache.james.eventsourcing.eventstore.jpa;
+
+
+import static
org.apache.james.eventsourcing.eventstore.jpa.model.JPAEvent.DELETE_AGGREGATE_QUERY;
+import static
org.apache.james.eventsourcing.eventstore.jpa.model.JPAEvent.SELECT_AGGREGATE_QUERY;
+
+import jakarta.inject.Inject;
+import jakarta.persistence.EntityManagerFactory;
+import jakarta.persistence.PersistenceUnit;
+
+import org.apache.james.backends.jpa.TransactionRunner;
+import org.apache.james.eventsourcing.AggregateId;
+import org.apache.james.eventsourcing.Event;
+import org.apache.james.eventsourcing.eventstore.EventStore;
+import org.apache.james.eventsourcing.eventstore.EventStoreFailedException;
+import org.apache.james.eventsourcing.eventstore.History;
+import org.apache.james.eventsourcing.eventstore.JsonEventSerializer;
+import org.apache.james.eventsourcing.eventstore.jpa.model.JPAEvent;
+import org.reactivestreams.Publisher;
+
+import com.github.fge.lambdas.Throwing;
+import com.google.common.annotations.VisibleForTesting;
+import com.google.common.base.Preconditions;
+
+import reactor.core.publisher.Mono;
+import scala.collection.Iterable;
+import scala.collection.JavaConverters;
+
+@PersistenceUnit(unitName = "James")
+public class JPAEventStore implements EventStore {
+
+ /**
+ * The entity manager to access the database.
+ */
+ private EntityManagerFactory entityManagerFactory;
+
+ /**
+ * The JSON serializer to serialize the event data.
+ */
+ private JsonEventSerializer jsonEventSerializer;
+
+ /**
+ * Constructs a JPAEventStore.
+ */
+ @Inject
+ public JPAEventStore(EntityManagerFactory entityManagerFactory,
JsonEventSerializer jsonEventSerializer) {
+ this.jsonEventSerializer = jsonEventSerializer;
+ this.entityManagerFactory = entityManagerFactory;
+ }
+
+ @Override
+ public Publisher<Void> appendAll(Iterable<Event> events) {
+ if (events.isEmpty()) {
+ return Mono.empty();
+ }
+ Preconditions.checkArgument(Event.belongsToSameAggregate(events));
+ AggregateId aggregateId = events.head().getAggregateId();
+ return Mono.fromRunnable(() -> new
TransactionRunner(entityManagerFactory).runAndHandleException(
+ entityManager ->
+ JavaConverters.asJava(events).forEach(Throwing.consumer(e -> {
+ JPAEvent jpaEvent = new JPAEvent(aggregateId, e.eventId(),
jsonEventSerializer.serialize(e));
+ entityManager.persist(jpaEvent);
+ })),
+ exception -> {
+ EventStoreFailedException esfe = new
EventStoreFailedException("Unable to add events");
+ esfe.initCause(exception);
+ throw esfe;
+ }));
+ }
+
+ @Override
+ @SuppressWarnings("unchecked")
+ public Publisher<History> getEventsOfAggregate(AggregateId aggregateId) {
+ Preconditions.checkNotNull(aggregateId);
+ return Mono.fromSupplier(() -> new
TransactionRunner(entityManagerFactory).runAndRetrieveResult(
+ entityManager -> History.of(
+ (Event[])
entityManager.createNamedQuery(SELECT_AGGREGATE_QUERY)
+ .setParameter("aggregateId", aggregateId.asAggregateKey())
+ .getResultStream()
+ .map(Throwing.function(e ->
jsonEventSerializer.deserialize(((JPAEvent) e).getEvent())))
+ .toArray(Event[]::new))));
+ }
+
+ @Override
+ public Publisher<Void> remove(AggregateId aggregateId) {
+ return Mono.fromSupplier(() -> new
TransactionRunner(entityManagerFactory).runAndRetrieveResult(
+ entityManager -> {
+ entityManager.createNamedQuery(DELETE_AGGREGATE_QUERY)
+ .setParameter("aggregateId", aggregateId.asAggregateKey())
+ .executeUpdate();
+ return null;
+ }));
+ }
+
+ @VisibleForTesting
+ protected void removeAll() {
+ new TransactionRunner(entityManagerFactory).runAndRetrieveResult(
+ entityManager -> entityManager.createQuery("DELETE FROM
JPAEvent").executeUpdate());
+ }
+}
diff --git
a/event-sourcing/event-store-jpa/src/main/java/org/apache/james/eventsourcing/eventstore/jpa/model/JPAEvent.java
b/event-sourcing/event-store-jpa/src/main/java/org/apache/james/eventsourcing/eventstore/jpa/model/JPAEvent.java
new file mode 100644
index 0000000000..db68932220
--- /dev/null
+++
b/event-sourcing/event-store-jpa/src/main/java/org/apache/james/eventsourcing/eventstore/jpa/model/JPAEvent.java
@@ -0,0 +1,124 @@
+/****************************************************************
+ * Licensed to the Apache Software Foundation (ASF) under one *
+ * or more contributor license agreements. See the NOTICE file *
+ * distributed with this work for additional information *
+ * regarding copyright ownership. The ASF licenses this file *
+ * to you 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.apache.james.eventsourcing.eventstore.jpa.model;
+
+import static
org.apache.james.eventsourcing.eventstore.jpa.model.JPAEvent.DELETE_AGGREGATE_QUERY;
+import static
org.apache.james.eventsourcing.eventstore.jpa.model.JPAEvent.JPAEventId;
+import static
org.apache.james.eventsourcing.eventstore.jpa.model.JPAEvent.SELECT_AGGREGATE_QUERY;
+
+import java.io.Serializable;
+
+import jakarta.persistence.Column;
+import jakarta.persistence.Entity;
+import jakarta.persistence.Id;
+import jakarta.persistence.IdClass;
+import jakarta.persistence.Index;
+import jakarta.persistence.Lob;
+import jakarta.persistence.NamedQuery;
+import jakarta.persistence.Table;
+
+import org.apache.james.eventsourcing.AggregateId;
+import org.apache.james.eventsourcing.EventId;
+
+import com.google.common.base.Objects;
+
+
+
+/**
+ * JPAEvent class for the James Event Sourcing to be used for JPA persistence.
+ */
+@Entity(name = "JPAEvent")
+@Table(name = JPAEvent.JAMES_EVENTS, indexes = {
+ @Index(name = "AGGREGATE_ID_INDEX", columnList = "AGGREGATE_ID")
+})
+@NamedQuery(name = SELECT_AGGREGATE_QUERY, query = "SELECT e FROM JPAEvent e
WHERE e.aggregateId=:aggregateId")
+@NamedQuery(name = DELETE_AGGREGATE_QUERY, query = "DELETE FROM JPAEvent e
WHERE e.aggregateId=:aggregateId")
+@IdClass(JPAEventId.class)
+public class JPAEvent {
+ public static final String SELECT_AGGREGATE_QUERY =
"selectAggregateEvents";
+ public static final String DELETE_AGGREGATE_QUERY =
"deleteAggregateEvents";
+
+ public static final String JAMES_EVENTS = "JAMES_EVENTS";
+
+ public static class JPAEventId implements Serializable {
+
+ private static final long serialVersionUID = 1L;
+
+ private String aggregateId;
+
+ private int eventId;
+
+ public JPAEventId() {
+ }
+
+ @Override
+ public int hashCode() {
+ return Objects.hashCode(aggregateId, eventId);
+ }
+
+ @Override
+ public boolean equals(Object obj) {
+ if (this == obj) {
+ return true;
+ }
+ if (obj == null || getClass() != obj.getClass()) {
+ return false;
+ }
+ final JPAEventId other = (JPAEventId) obj;
+ return Objects.equal(this.aggregateId, other.aggregateId)
+ && Objects.equal(this.eventId, other.eventId);
+ }
+ }
+
+ @Id
+ @Column(name = "AGGREGATE_ID", nullable = false, length = 100)
+ private String aggregateId = "";
+
+ @Id
+ @Column(name = "EVENT_ID", nullable = false)
+ private int eventId;
+
+ @Lob
+ @Column(name = "EVENT", nullable = false, length = 1048576000)
+ private String event = "";
+
+ /**
+ * Default no-args constructor for JPA class enhancement.
+ * The constructor need to be public or protected to be used by JPA.
+ * See: http://docs.oracle.com/javaee/6/tutorial/doc/bnbqa.html
+ * Do not us this constructor, it is for JPA only.
+ */
+ protected JPAEvent() {
+ }
+
+ public JPAEvent(AggregateId aggregateId, EventId eventId, String event) {
+ this.aggregateId = aggregateId.asAggregateKey();
+ this.eventId = eventId.serialize();
+ this.event = event;
+ }
+
+ public EventId getEventId() {
+ return EventId.fromSerialized(eventId);
+ }
+
+ public String getEvent() {
+ return event;
+ }
+
+}
diff --git
a/event-sourcing/event-store-jpa/src/test/java/org/apache/james/eventsourcing/eventstore/jpa/JPAEventSourcingSystemTest.java
b/event-sourcing/event-store-jpa/src/test/java/org/apache/james/eventsourcing/eventstore/jpa/JPAEventSourcingSystemTest.java
new file mode 100644
index 0000000000..5da1bb6d2f
--- /dev/null
+++
b/event-sourcing/event-store-jpa/src/test/java/org/apache/james/eventsourcing/eventstore/jpa/JPAEventSourcingSystemTest.java
@@ -0,0 +1,33 @@
+/***************************************************************
+ * Licensed to the Apache Software Foundation (ASF) under one *
+ * or more contributor license agreements. See the NOTICE file *
+ * distributed with this work for additional information *
+ * regarding copyright ownership. The ASF licenses this file *
+ * to you 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.apache.james.eventsourcing.eventstore.jpa;
+
+import org.apache.james.eventsourcing.EventSourcingSystemTest;
+import org.apache.james.eventsourcing.eventstore.EventStore;
+import org.junit.jupiter.api.AfterEach;
+import org.junit.jupiter.api.extension.ExtendWith;
+
+@ExtendWith(JPAEventStoreExtension.class)
+class JPAEventSourcingSystemTest implements EventSourcingSystemTest {
+
+ @AfterEach
+ public void tearDown(EventStore store) {
+ ((JPAEventStore)store).removeAll();
+ }
+}
diff --git
a/event-sourcing/event-store-jpa/src/test/java/org/apache/james/eventsourcing/eventstore/jpa/JPAEventStoreExtension.java
b/event-sourcing/event-store-jpa/src/test/java/org/apache/james/eventsourcing/eventstore/jpa/JPAEventStoreExtension.java
new file mode 100644
index 0000000000..e4234e7f0c
--- /dev/null
+++
b/event-sourcing/event-store-jpa/src/test/java/org/apache/james/eventsourcing/eventstore/jpa/JPAEventStoreExtension.java
@@ -0,0 +1,44 @@
+/****************************************************************
+ * Licensed to the Apache Software Foundation (ASF) under one *
+ * or more contributor license agreements. See the NOTICE file *
+ * distributed with this work for additional information *
+ * regarding copyright ownership. The ASF licenses this file *
+ * to you 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.apache.james.eventsourcing.eventstore.jpa;
+
+import org.apache.james.backends.jpa.JpaTestCluster;
+import org.apache.james.eventsourcing.eventstore.EventStore;
+import org.apache.james.eventsourcing.eventstore.JsonEventSerializer;
+import org.apache.james.eventsourcing.eventstore.dto.TestEventDTOModules;
+import org.apache.james.eventsourcing.eventstore.jpa.model.JPAEvent;
+import org.junit.jupiter.api.extension.ExtensionContext;
+import org.junit.jupiter.api.extension.ParameterContext;
+import org.junit.jupiter.api.extension.ParameterResolver;
+
+class JPAEventStoreExtension implements ParameterResolver {
+
+ public static final JpaTestCluster JPA_TEST_CLUSTER =
JpaTestCluster.create(JPAEvent.class);
+
+ @Override
+ public boolean supportsParameter(ParameterContext parameterContext,
ExtensionContext extensionContext) {
+ return
parameterContext.getParameter().getType().equals(EventStore.class);
+ }
+
+ @Override
+ public Object resolveParameter(ParameterContext parameterContext,
ExtensionContext extensionContext) {
+ JsonEventSerializer jsonEventSerializer =
JsonEventSerializer.forModules(TestEventDTOModules.TEST_TYPE()).withoutNestedType();
+ return new JPAEventStore(JPA_TEST_CLUSTER.getEntityManagerFactory(),
jsonEventSerializer);
+ }
+}
diff --git
a/event-sourcing/event-store-jpa/src/test/java/org/apache/james/eventsourcing/eventstore/jpa/JPAEventStoreTest.java
b/event-sourcing/event-store-jpa/src/test/java/org/apache/james/eventsourcing/eventstore/jpa/JPAEventStoreTest.java
new file mode 100644
index 0000000000..d69d46c915
--- /dev/null
+++
b/event-sourcing/event-store-jpa/src/test/java/org/apache/james/eventsourcing/eventstore/jpa/JPAEventStoreTest.java
@@ -0,0 +1,33 @@
+/****************************************************************
+ * Licensed to the Apache Software Foundation (ASF) under one *
+ * or more contributor license agreements. See the NOTICE file *
+ * distributed with this work for additional information *
+ * regarding copyright ownership. The ASF licenses this file *
+ * to you 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.apache.james.eventsourcing.eventstore.jpa;
+
+import org.apache.james.eventsourcing.eventstore.EventStore;
+import org.apache.james.eventsourcing.eventstore.EventStoreContract;
+import org.junit.jupiter.api.AfterEach;
+import org.junit.jupiter.api.extension.ExtendWith;
+
+@ExtendWith(JPAEventStoreExtension.class)
+class JPAEventStoreTest implements EventStoreContract {
+
+ @AfterEach
+ public void tearDown(EventStore store) {
+ ((JPAEventStore)store).removeAll();
+ }
+}
diff --git
a/event-sourcing/event-store-jpa/src/test/java/org/apache/james/eventsourcing/eventstore/jpa/model/JPAEventTest.java
b/event-sourcing/event-store-jpa/src/test/java/org/apache/james/eventsourcing/eventstore/jpa/model/JPAEventTest.java
new file mode 100644
index 0000000000..967edecd6d
--- /dev/null
+++
b/event-sourcing/event-store-jpa/src/test/java/org/apache/james/eventsourcing/eventstore/jpa/model/JPAEventTest.java
@@ -0,0 +1,35 @@
+/****************************************************************
+ * Licensed to the Apache Software Foundation (ASF) under one *
+ * or more contributor license agreements. See the NOTICE file *
+ * distributed with this work for additional information *
+ * regarding copyright ownership. The ASF licenses this file *
+ * to you 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.apache.james.eventsourcing.eventstore.jpa.model;
+
+import org.junit.jupiter.api.Test;
+
+import nl.jqno.equalsverifier.EqualsVerifier;
+import nl.jqno.equalsverifier.Warning;
+
+class JPAEventTest {
+
+ @Test
+ void shouldMatchBeanContract() {
+ EqualsVerifier.forClass(JPAEvent.JPAEventId.class)
+ .usingGetClass()
+ .suppress(Warning.SURROGATE_KEY)
+ .verify();
+ }
+}
diff --git a/event-sourcing/event-store-jpa/src/test/resources/persistence.xml
b/event-sourcing/event-store-jpa/src/test/resources/persistence.xml
new file mode 100644
index 0000000000..fe4665d269
--- /dev/null
+++ b/event-sourcing/event-store-jpa/src/test/resources/persistence.xml
@@ -0,0 +1,40 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<!--
+ Licensed to the Apache Software Foundation (ASF) under one
+ or more contributor license agreements. See the NOTICE file
+ distributed with this work for additional information
+ regarding copyright ownership. The ASF licenses this file
+ to you 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.
+-->
+
+<persistence xmlns="http://java.sun.com/xml/ns/persistence";
+ xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance";
+ xsi:schemaLocation="http://java.sun.com/xml/ns/persistence
http://java.sun.com/xml/ns/persistence/persistence_2_0.xsd";
+ version="2.0">
+
+ <persistence-unit name="James" transaction-type="JTA">
+
<provider>org.apache.openjpa.persistence.PersistenceProviderImpl</provider>
+
<jta-data-source>osgi:service/javax.sql.DataSource/(osgi.jndi.service.name=jdbc/james)</jta-data-source>
+
<class>org.apache.james.eventsourcing.eventstore.jpa.model.JPAEvent</class>
+ <exclude-unlisted-classes>true</exclude-unlisted-classes>
+ <properties>
+ <property name="openjpa.jdbc.SynchronizeMappings"
value="buildSchema(ForeignKeys=true)"/>
+ <property name="openjpa.jdbc.MappingDefaults"
value="ForeignKeyDeleteAction=cascade, JoinForeignKeyDeleteAction=cascade"/>
+ <property name="openjpa.jdbc.SchemaFactory"
value="native(ForeignKeys=true)"/>
+ <property name="openjpa.jdbc.QuerySQLCache" value="false"/>
+ </properties>
+
+ </persistence-unit>
+
+</persistence>
diff --git a/event-sourcing/pom.xml b/event-sourcing/pom.xml
index f14f296631..c4033287a8 100644
--- a/event-sourcing/pom.xml
+++ b/event-sourcing/pom.xml
@@ -36,6 +36,7 @@
<module>event-sourcing-pojo</module>
<module>event-store-api</module>
<module>event-store-cassandra</module>
+ <module>event-store-jpa</module>
<module>event-store-memory</module>
</modules>
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