Package org.apache.camel

Examples of org.apache.camel.Predicate

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     * Sets an expectation that the given predicates matches the received messages by this endpoint
     */
    public void expectedMessagesMatches(Predicate... predicates) {
        for (int i = 0; i < predicates.length; i++) {
            final int messageIndex = i;
            final Predicate predicate = predicates[i];
            final AssertionClause clause = new AssertionClause(this) {
                public void run() {
                    addPredicate(predicate);
                    applyAssertionOn(MockEndpoint.this, messageIndex, assertExchangeReceived(messageIndex));
                }
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    /**
     * Adds an expectation that messages received should have the given exchange pattern
     */
    public void expectedExchangePattern(final ExchangePattern exchangePattern) {
        expectedMessagesMatches(new Predicate() {
            public boolean matches(Exchange exchange) {
                return exchange.getPattern().equals(exchangePattern);
            }
        });
    }
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        answer.setShutdownTimeoutCheckerExecutorService(shutdownTimeoutThreadPool);

        // set other options
        answer.setParallelProcessing(isParallelProcessing());
        if (getCompletionPredicate() != null) {
            Predicate predicate = getCompletionPredicate().createPredicate(routeContext);
            answer.setCompletionPredicate(predicate);
        }
        if (getCompletionTimeoutExpression() != null) {
            Expression expression = getCompletionTimeoutExpression().createExpression(routeContext);
            answer.setCompletionTimeoutExpression(expression);
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    public void setOnRedelivery(Processor onRedelivery) {
        this.onRedelivery = onRedelivery;
    }

    public Predicate getRetryWhilePolicy(CamelContext context) {
        Predicate answer = getRetryWhile();

        if (getRetryWhileRef() != null) {
            // its a bean expression
            Language bean = context.resolveLanguage("bean");
            answer = bean.createPredicate(getRetryWhileRef());
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    protected Object assertExpression(Expression expression, String xml, String expected) {
        return assertExpression(expression, createExchange(xml), expected);
    }

    protected void assertPredicate(String xpath, String xml, boolean expected) {
        Predicate predicate = XPathBuilder.xpath(xpath);
        assertPredicate(predicate, createExchange(xml), expected);
    }
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        jndi.bind("myAnimal", new Animal("Donkey", 17));
        return jndi;
    }

    public void testSimpleExpressionOrPredicate() throws Exception {
        Predicate predicate = SimpleLanguage.predicate("${header.bar} == 123");
        assertTrue(predicate.matches(exchange));

        predicate = SimpleLanguage.predicate("${header.bar} == 124");
        assertFalse(predicate.matches(exchange));

        Expression expression = SimpleLanguage.expression("${body}");
        assertEquals("<hello id='m123'>world!</hello>", expression.evaluate(exchange, String.class));

        expression = SimpleLanguage.simple("${body}");
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        AsyncProcessorHelper.process(this, exchange);
    }

    public boolean process(Exchange exchange, AsyncCallback callback) {
        for (FilterProcessor filterProcessor : filters) {
            Predicate predicate = filterProcessor.getPredicate();

            boolean matches = false;
            try {
                // ensure we handle exceptions thrown when matching predicate
                if (predicate != null) {
                    matches = predicate.matches(exchange);
                }
            } catch (Throwable e) {
                exchange.setException(e);
                callback.done(true);
                return true;
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    public Predicate in(Object... values) {
        List<Predicate> predicates = new ArrayList<Predicate>();
        for (Object value : values) {
            Expression right = asExpression(value);
            right = ExpressionBuilder.convertToExpression(right, expression);
            Predicate predicate = onNewPredicate(PredicateBuilder.isEqualTo(expression, right));
            predicates.add(predicate);
        }
        return in(predicates.toArray(new Predicate[predicates.size()]));
    }
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    @Override
    public CatchProcessor createProcessor(RouteContext routeContext) throws Exception {
        Processor childProcessor = this.createChildProcessor(routeContext, false);

        Predicate when = null;
        if (onWhen != null) {
            when = onWhen.getExpression().createPredicate(routeContext);
        }

        Predicate handle = null;
        if (handled != null) {
            handle = handled.createPredicate(routeContext);
        }

        return new CatchProcessor(getExceptionClasses(), childProcessor, when, handle);
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        Processor childProcessor = this.createChildProcessor(routeContext, true);

        // wrap the on completion route in a unit of work processor
        childProcessor = new UnitOfWorkProcessor(routeContext, childProcessor);

        Predicate when = null;
        if (onWhen != null) {
            when = onWhen.getExpression().createPredicate(routeContext);
        }

        executorService = ExecutorServiceHelper.getConfiguredExecutorService(routeContext, "OnCompletion", this);
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Related Classes of org.apache.camel.Predicate

  • akka.camel.CustomRouteTest
  • org.apache.camel.builder.DefaultErrorHandlerBuilder
  • org.apache.camel.builder.ExpressionBuilderTest
  • org.apache.camel.builder.PredicateBuilder
  • org.apache.camel.builder.PredicateBuilderConcurrentTest
  • org.apache.camel.builder.PredicateBuilderTest
  • org.apache.camel.builder.ValueBuilder
  • org.apache.camel.builder.xml.XPathTest
  • org.apache.camel.component.aws.swf.CamelSWFActivityConsumerTest
  • org.apache.camel.component.aws.swf.CamelSWFWorkflowConsumerTest
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