Examples with AggregateProcessor org.apache.camel.processor.aggregate.AggregateProcessor used on opensource projects

Example 16 with AggregateProcessor

use of org.apache.camel.processor.aggregate.AggregateProcessor in project camel by apache.

the class AggregateProcessorTimeoutCompletionRestartTest method testAggregateProcessorTwoTimeoutExpressionRestart.

public void testAggregateProcessorTwoTimeoutExpressionRestart() throws Exception {
    MockEndpoint mock = getMockEndpoint("mock:result");
    mock.expectedBodiesReceived("C+D", "A+B");
    mock.expectedPropertyReceived(Exchange.AGGREGATED_COMPLETED_BY, "timeout");
    Processor done = new SendProcessor(context.getEndpoint("mock:result"));
    Expression corr = header("id");
    AggregationStrategy as = new BodyInAggregatingStrategy();
    AggregateProcessor ap = new AggregateProcessor(context, done, corr, as, executorService, true);
    // start with a high timeout so no completes before we stop
    ap.setCompletionTimeoutExpression(header("myTimeout"));
    ap.start();
    Exchange e1 = new DefaultExchange(context);
    e1.getIn().setBody("A");
    e1.getIn().setHeader("id", 123);
    e1.getIn().setHeader("myTimeout", 3000);
    Exchange e2 = new DefaultExchange(context);
    e2.getIn().setBody("B");
    e2.getIn().setHeader("id", 123);
    e2.getIn().setHeader("myTimeout", 3000);
    Exchange e3 = new DefaultExchange(context);
    e3.getIn().setBody("C");
    e3.getIn().setHeader("id", 456);
    e3.getIn().setHeader("myTimeout", 2000);
    Exchange e4 = new DefaultExchange(context);
    e4.getIn().setBody("D");
    e4.getIn().setHeader("id", 456);
    e4.getIn().setHeader("myTimeout", 2000);
    ap.process(e1);
    ap.process(e2);
    ap.process(e3);
    ap.process(e4);
    // shutdown before the 2 sec timeout occurs
    // however we use stop instead of shutdown as shutdown will clear the in memory aggregation repository,
    ap.stop();
    // should be no completed
    assertEquals(0, mock.getReceivedCounter());
    // start aggregator again
    ap.start();
    // the aggregator should restore the timeout condition and trigger timeout
    assertMockEndpointsSatisfied();
    assertEquals(2, mock.getReceivedCounter());
    ap.shutdown();
}