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

Example 21 with Expression

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

the class NeilSplitterTest method createRouteBuilder.

protected RouteBuilder createRouteBuilder() {
    return new RouteBuilder() {

        public void configure() {
            Expression catFightCats = new ExpressionAdapter() {

                public Object evaluate(Exchange exchange) {
                    CatFight catFight = (CatFight) exchange.getIn().getBody();
                    String[] cats = catFight.getCats();
                    return cats;
                }
            };
            from("direct:custom").split(catFightCats).to("mock:result");
            from("direct:xpath").split(xpath("/a/b")).to("mock:result");
        }
    };
}

Example 22 with Expression

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

the class AggregateProcessorTimeoutCompletionRestartTest method testAggregateProcessorTimeoutExpressionRestart.

public void testAggregateProcessorTimeoutExpressionRestart() throws Exception {
    MockEndpoint mock = getMockEndpoint("mock:result");
    mock.expectedBodiesReceived("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", 2000);
    Exchange e2 = new DefaultExchange(context);
    e2.getIn().setBody("B");
    e2.getIn().setHeader("id", 123);
    e2.getIn().setHeader("myTimeout", 2000);
    ap.process(e1);
    ap.process(e2);
    // 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(1, mock.getReceivedCounter());
    ap.shutdown();
}

Example 23 with Expression

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

the class AggregateProcessorTimeoutCompletionRestartTest method testAggregateProcessorTimeoutRestart.

public void testAggregateProcessorTimeoutRestart() throws Exception {
    MockEndpoint mock = getMockEndpoint("mock:result");
    mock.expectedBodiesReceived("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.setCompletionTimeout(2000);
    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);
    ap.process(e1);
    ap.process(e2);
    // 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(1, mock.getReceivedCounter());
    ap.shutdown();
}

Example 24 with Expression

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

the class AggregateProcessorTest method testAggregateForceCompletion.

public void testAggregateForceCompletion() throws Exception {
    // camel context must be started
    context.start();
    MockEndpoint mock = getMockEndpoint("mock:result");
    mock.expectedBodiesReceivedInAnyOrder("B+END", "A+END");
    mock.expectedPropertyReceived(Exchange.AGGREGATED_COMPLETED_BY, "force");
    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.setCompletionSize(10);
    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", 456);
    Exchange e3 = new DefaultExchange(context);
    e3.getIn().setBody("END");
    e3.getIn().setHeader("id", 123);
    Exchange e4 = new DefaultExchange(context);
    e4.getIn().setBody("END");
    e4.getIn().setHeader("id", 456);
    ap.process(e1);
    ap.process(e2);
    ap.process(e3);
    ap.process(e4);
    assertEquals("should not have completed yet", 0, mock.getExchanges().size());
    ap.forceCompletionOfAllGroups();
    assertMockEndpointsSatisfied();
    ap.stop();
}

Example 25 with Expression

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

the class AggregateProcessorTest method testAggregateProcessorCompletionPredicateEager.

public void testAggregateProcessorCompletionPredicateEager() 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().isEqualTo("END");
    AggregateProcessor ap = new AggregateProcessor(context, done, corr, as, executorService, true);
    ap.setCompletionPredicate(complete);
    ap.setEagerCheckCompletion(true);
    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();
}