camel-2.8.x/camel-core/src/test/java/org/apache/camel/impl/ScheduledPollEndpointConfigureConsumerRestartTest.java

/**
 * 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.impl;

import java.util.HashMap;
import java.util.Map;

import org.apache.camel.Consumer;
import org.apache.camel.ContextTestSupport;
import org.apache.camel.Endpoint;
import org.apache.camel.Exchange;
import org.apache.camel.Processor;
import org.apache.camel.Producer;
import org.apache.camel.builder.RouteBuilder;

/**
 *
 */
public class ScheduledPollEndpointConfigureConsumerRestartTest extends ContextTestSupport {

    private MyEndpoint my;
    private Map<String, Object> props = new HashMap<String, Object>();

    public void testRestart() throws Exception {
        getMockEndpoint("mock:result").expectedMinimumMessageCount(1);

        assertMockEndpointsSatisfied();

        assertEquals("Hello", getMockEndpoint("mock:result").getExchanges().get(0).getIn().getBody());
        assertEquals(123, getMockEndpoint("mock:result").getExchanges().get(0).getIn().getHeader("foo"));

        // restart route
        resetMocks();
        context.stopRoute("foo");

        getMockEndpoint("mock:result").expectedMinimumMessageCount(1);

        // start route
        context.startRoute("foo");

        assertMockEndpointsSatisfied();

        assertEquals("Hello", getMockEndpoint("mock:result").getExchanges().get(0).getIn().getBody());
        assertEquals(123, getMockEndpoint("mock:result").getExchanges().get(0).getIn().getHeader("foo"));

    }

    @Override
    protected RouteBuilder createRouteBuilder() throws Exception {
        return new RouteBuilder() {
            @Override
            public void configure() throws Exception {
                props.put("foo", 123);
                props.put("bar", "Hello");
                props.put("delay", 1000);

                my = new MyEndpoint();
                my.setCamelContext(context);
                my.setConsumerProperties(props);

                from(my).routeId("foo").to("mock:result");
            }
        };
    }

    private class MyEndpoint extends ScheduledPollEndpoint {

        @Override
        public Producer createProducer() throws Exception {
            return null;
        }

        @Override
        public Consumer createConsumer(Processor processor) throws Exception {
            MyConsumer answer = new MyConsumer(this, processor);
            configureConsumer(answer);
            return answer;
        }

        @Override
        public boolean isSingleton() {
            return true;
        }

        @Override
        protected String createEndpointUri() {
            return "myendpoint:foo";
        }
    }

    public static final class MyConsumer extends ScheduledPollConsumer {

        private int foo;
        private String bar;

        public MyConsumer(Endpoint endpoint, Processor processor) {
            super(endpoint, processor);
        }

        public int getFoo() {
            return foo;
        }

        public void setFoo(int foo) {
            this.foo = foo;
        }

        public String getBar() {
            return bar;
        }

        public void setBar(String bar) {
            this.bar = bar;
        }

        @Override
        protected int poll() throws Exception {
            Exchange exchange = new DefaultExchange(getEndpoint());
            exchange.getIn().setBody(bar);
            exchange.getIn().setHeader("foo", foo);

            getProcessor().process(exchange);

            return 1;
        }
    }
}