/**
* 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.camel.component.sql;
import java.util.List;
import java.util.Map;
import org.apache.camel.Exchange;
import org.apache.camel.builder.RouteBuilder;
import org.apache.camel.component.mock.MockEndpoint;
import org.apache.camel.test.junit4.CamelTestSupport;
import org.junit.After;
import org.junit.Before;
import org.junit.Test;
import org.springframework.jdbc.datasource.embedded.EmbeddedDatabase;
import org.springframework.jdbc.datasource.embedded.EmbeddedDatabaseBuilder;
import org.springframework.jdbc.datasource.embedded.EmbeddedDatabaseType;
public class SqlConsumerMaxMessagesPerPollTest extends CamelTestSupport {
private EmbeddedDatabase db;
@Before
public void setUp() throws Exception {
db = new EmbeddedDatabaseBuilder()
.setType(EmbeddedDatabaseType.DERBY)
.addScript("sql/createAndPopulateDatabase4.sql")
.build();
super.setUp();
}
@After
public void tearDown() throws Exception {
super.tearDown();
db.shutdown();
}
@Test
public void maxMessagesPerPoll() throws Exception {
MockEndpoint mock = getMockEndpoint("mock:result");
mock.expectedMessageCount(3);
assertMockEndpointsSatisfied();
List<Exchange> exchanges = mock.getReceivedExchanges();
assertBodyMapValue(1, "ID", exchanges.get(0));
assertBodyMapValue("Camel", "PROJECT", exchanges.get(0));
assertProperty(0, "CamelBatchIndex", exchanges.get(0));
assertProperty(2, "CamelBatchSize", exchanges.get(0));
assertProperty(Boolean.FALSE, "CamelBatchComplete", exchanges.get(0));
assertBodyMapValue(2, "ID", exchanges.get(1));
assertBodyMapValue("AMQ", "PROJECT", exchanges.get(1));
assertProperty(1, "CamelBatchIndex", exchanges.get(1));
assertProperty(2, "CamelBatchSize", exchanges.get(1));
assertProperty(Boolean.TRUE, "CamelBatchComplete", exchanges.get(1)); // end of the first batch
assertBodyMapValue(3, "ID", exchanges.get(2));
assertBodyMapValue("Linux", "PROJECT", exchanges.get(2));
assertProperty(0, "CamelBatchIndex", exchanges.get(2)); // the second batch
assertProperty(1, "CamelBatchSize", exchanges.get(2)); // only one entry in this batch
assertProperty(Boolean.TRUE, "CamelBatchComplete", exchanges.get(2)); // there are no more entries yet
}
private void assertProperty(Object value, String propertyName, Exchange exchange) {
assertEquals(value, exchange.getProperty(propertyName));
}
private void assertBodyMapValue(Object value, String key, Exchange exchange) {
assertEquals(value, exchange.getIn().getBody(Map.class).get(key));
}
@Override
protected RouteBuilder createRouteBuilder() throws Exception {
return new RouteBuilder() {
public void configure() throws Exception {
getContext().setTracing(true);
getContext().getComponent("sql", SqlComponent.class).setDataSource(db);
from("sql:select * from projects where processed = false order by id?maxMessagesPerPoll=2")
.to("mock:result")
.to("sql:update projects set processed = true where id = :#id");
}
};
}
}