Examples with Expression org.apache.camel.Expression used on opensource projects

Example 26 with Expression

use of org.apache.camel.Expression in project camel by apache.

the class AggregateProcessorTest method doTestAggregateProcessorCompletionTimeout.

private void doTestAggregateProcessorCompletionTimeout(boolean eager) throws Exception {
    MockEndpoint mock = getMockEndpoint("mock:result");
    mock.expectedBodiesReceived("A+B+C");
    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);
    ap.setCompletionTimeout(3000);
    ap.setEagerCheckCompletion(eager);
    ap.start();
    Exchange e1 = new DefaultExchange(context);
    e1.getIn().setBody("A");
    e1.getIn().setHeader("id", 123);
    Exchange e2 = new DefaultExchange(context);
    e2.getIn().setBody("B");
    e2.getIn().setHeader("id", 123);
    Exchange e3 = new DefaultExchange(context);
    e3.getIn().setBody("C");
    e3.getIn().setHeader("id", 123);
    Exchange e4 = new DefaultExchange(context);
    e4.getIn().setBody("D");
    e4.getIn().setHeader("id", 123);
    ap.process(e1);
    Thread.sleep(250);
    ap.process(e2);
    Thread.sleep(500);
    ap.process(e3);
    Thread.sleep(5000);
    ap.process(e4);
    assertMockEndpointsSatisfied();
    ap.stop();
}

Example 27 with Expression

use of org.apache.camel.Expression in project camel by apache.

the class AggregateProcessorTest method testAggregateProcessorCompletionPredicate.

public void testAggregateProcessorCompletionPredicate() throws Exception {
    MockEndpoint mock = getMockEndpoint("mock:result");
    mock.expectedBodiesReceived("A+B+END");
    mock.expectedPropertyReceived(Exchange.AGGREGATED_COMPLETED_BY, "predicate");
    Processor done = new SendProcessor(context.getEndpoint("mock:result"));
    Expression corr = header("id");
    AggregationStrategy as = new BodyInAggregatingStrategy();
    Predicate complete = body().contains("END");
    AggregateProcessor ap = new AggregateProcessor(context, done, corr, as, executorService, true);
    ap.setCompletionPredicate(complete);
    ap.setEagerCheckCompletion(false);
    ap.start();
    Exchange e1 = new DefaultExchange(context);
    e1.getIn().setBody("A");
    e1.getIn().setHeader("id", 123);
    Exchange e2 = new DefaultExchange(context);
    e2.getIn().setBody("B");
    e2.getIn().setHeader("id", 123);
    Exchange e3 = new DefaultExchange(context);
    e3.getIn().setBody("END");
    e3.getIn().setHeader("id", 123);
    Exchange e4 = new DefaultExchange(context);
    e4.getIn().setBody("D");
    e4.getIn().setHeader("id", 123);
    ap.process(e1);
    ap.process(e2);
    ap.process(e3);
    ap.process(e4);
    assertMockEndpointsSatisfied();
    ap.stop();
}

Example 28 with Expression

use of org.apache.camel.Expression in project camel by apache.

the class AggregateProcessorTest method testAggregateCompletionInterval.

public void testAggregateCompletionInterval() throws Exception {
    // camel context must be started
    context.start();
    MockEndpoint mock = getMockEndpoint("mock:result");
    mock.expectedBodiesReceived("A+B+C", "D");
    mock.expectedPropertyReceived(Exchange.AGGREGATED_COMPLETED_BY, "interval");
    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);
    ap.setCompletionInterval(3000);
    ap.start();
    Exchange e1 = new DefaultExchange(context);
    e1.getIn().setBody("A");
    e1.getIn().setHeader("id", 123);
    Exchange e2 = new DefaultExchange(context);
    e2.getIn().setBody("B");
    e2.getIn().setHeader("id", 123);
    Exchange e3 = new DefaultExchange(context);
    e3.getIn().setBody("C");
    e3.getIn().setHeader("id", 123);
    Exchange e4 = new DefaultExchange(context);
    e4.getIn().setBody("D");
    e4.getIn().setHeader("id", 123);
    ap.process(e1);
    ap.process(e2);
    ap.process(e3);
    Thread.sleep(5000);
    ap.process(e4);
    assertMockEndpointsSatisfied();
    ap.stop();
}

Example 29 with Expression

use of org.apache.camel.Expression in project camel by apache.

the class AggregatorExceptionInPredicateTest method createRouteBuilder.

@Override
protected RouteBuilder createRouteBuilder() throws Exception {
    return new RouteBuilder() {

        @Override
        public void configure() throws Exception {
            onException(IllegalArgumentException.class).handled(true).to("mock:handled");
            from("direct:start").aggregate(header("id")).completionTimeout(500).aggregationStrategy(new AggregationStrategy() {

                public Exchange aggregate(Exchange oldExchange, Exchange newExchange) {
                    Object body = newExchange.getIn().getBody();
                    if ("Damn".equals(body)) {
                        throw new IllegalArgumentException();
                    }
                    return newExchange;
                }
            }).to("mock:result");
            from("direct:predicate").aggregate(new Expression() {

                public <T> T evaluate(Exchange exchange, Class<T> type) {
                    if (exchange.getIn().getBody().equals("Damn")) {
                        throw new IllegalArgumentException();
                    }
                    return ExpressionBuilder.headerExpression("id").evaluate(exchange, type);
                }
            }, new UseLatestAggregationStrategy()).completionTimeout(500).to("mock:result");
        }
    };
}

Example 30 with Expression

use of org.apache.camel.Expression in project camel by apache.

the class ExpressionListComparatorTest method testExpressionListComparator.

public void testExpressionListComparator() {
    List<Expression> list = new ArrayList<Expression>();
    list.add(new MyFooExpression());
    list.add(new MyBarExpression());
    ExpressionListComparator comp = new ExpressionListComparator(list);
    Exchange e1 = new DefaultExchange(context);
    Exchange e2 = new DefaultExchange(context);
    int out = comp.compare(e1, e2);
    assertEquals(0, out);
}