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INT-4081: Custom PreparedStSetter for JdbcMChStore

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JIRA: https://jira.spring.io/browse/INT-4081

* Add `MessageGroupPreparedStatementSetter` to let end-user to override
the message insertion logic
* Add tests and Docs
This commit is contained in:
Meherzad Lahewala
2017-10-15 17:05:23 +05:30
committed by Artem Bilan
parent bf1fef39db
commit 34d0859515
5 changed files with 207 additions and 43 deletions
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49
spring-integration-jdbc/src/test/java/org/springframework/integration/jdbc/store/channel/AbstractJdbcChannelMessageStoreTests.java
View File

@@ -1,5 +1,5 @@
/*
* Copyright 2002-2016 the original author or authors.
* Copyright 2002-2017 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.
@@ -20,6 +20,9 @@ import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertNotNull;
import static org.junit.Assert.assertNull;
import java.sql.PreparedStatement;
import java.sql.SQLException;
import javax.sql.DataSource;
import org.junit.Before;
@@ -27,8 +30,11 @@ import org.junit.Test;
import org.junit.runner.RunWith;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.core.serializer.support.SerializingConverter;
import org.springframework.integration.jdbc.store.JdbcChannelMessageStore;
import org.springframework.integration.support.MessageBuilder;
import org.springframework.jdbc.support.lob.DefaultLobHandler;
import org.springframework.jdbc.support.lob.LobHandler;
import org.springframework.messaging.Message;
import org.springframework.test.annotation.DirtiesContext;
import org.springframework.test.context.junit4.SpringJUnit4ClassRunner;
@@ -42,6 +48,7 @@ import org.springframework.transaction.support.TransactionTemplate;
/**
* @author Gunnar Hillert
* @author Gary Russell
* @author Meherzad Lahewala
*/
@RunWith(SpringJUnit4ClassRunner.class)
@@ -50,6 +57,8 @@ public abstract class AbstractJdbcChannelMessageStoreTests {
protected static final String TEST_MESSAGE_GROUP = "AbstractJdbcChannelMessageStoreTests";
private static final String REGION = "AbstractJdbcChannelMessageStoreTests";
@Autowired
protected DataSource dataSource;
@@ -64,7 +73,7 @@ public abstract class AbstractJdbcChannelMessageStoreTests {
@Before
public void init() throws Exception {
messageStore = new JdbcChannelMessageStore(dataSource);
messageStore.setRegion("AbstractJdbcChannelMessageStoreTests");
messageStore.setRegion(REGION);
messageStore.setChannelMessageStoreQueryProvider(queryProvider);
messageStore.afterPropertiesSet();
messageStore.removeMessageGroup("AbstractJdbcChannelMessageStoreTests");
@@ -100,4 +109,40 @@ public abstract class AbstractJdbcChannelMessageStoreTests {
assertEquals(message.getHeaders().getId(), messageFromDb.getHeaders().getId());
}
@Test
public void testAddAndGetCustomStatementSetter() {
messageStore.setMessageGroupPreparedStatementSetter(getMessageGroupPreparedStatementSetter());
final Message<String> message = MessageBuilder.withPayload("Cartman and Kenny").build();
final TransactionTemplate transactionTemplate = new TransactionTemplate(transactionManager);
transactionTemplate.setIsolationLevel(Isolation.READ_COMMITTED.value());
transactionTemplate.setPropagationBehavior(TransactionDefinition.PROPAGATION_REQUIRED);
transactionTemplate.execute(new TransactionCallbackWithoutResult() {
@Override
protected void doInTransactionWithoutResult(TransactionStatus status) {
messageStore.addMessageToGroup(TEST_MESSAGE_GROUP, message);
}
});
Message<?> messageFromDb = messageStore.pollMessageFromGroup(TEST_MESSAGE_GROUP);
assertNotNull(messageFromDb);
assertEquals(message.getHeaders().getId(), messageFromDb.getHeaders().getId());
}
private MessageGroupPreparedStatementSetter getMessageGroupPreparedStatementSetter() {
return new MessageGroupPreparedStatementSetter() {
private SerializingConverter serializer = new SerializingConverter();
private LobHandler lobHandler = new DefaultLobHandler();
@Override
public void setValues(PreparedStatement preparedStatement, Message<?> requestMessage, Object groupId,
String region, boolean priorityEnabled) throws SQLException {
super.setValues(preparedStatement, requestMessage, groupId, region, priorityEnabled);
byte[] messageBytes = serializer.convert(requestMessage);
lobHandler.getLobCreator().setBlobAsBytes(preparedStatement, 6, messageBytes);
}
};
}
}