Package org.apache.activemq.filter

Examples of org.apache.activemq.filter.BooleanExpression

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    @Override
    public void setSelector(String selector) throws InvalidSelectorException {
        ConsumerInfo copy = info.copy();
        copy.setSelector(selector);
        BooleanExpression newSelector = parseSelector(copy);
        // its valid so lets actually update it now
        info.setSelector(selector);
        this.selectorExpression = newSelector;
    }
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                    return true;
                }
            };
        }

        final BooleanExpression selectorExpression = SelectorParser.parse(selector);

        return new MessageReferenceFilter() {
            @Override
            public boolean evaluate(ConnectionContext context, MessageReference r) throws JMSException {
                MessageEvaluationContext messageEvaluationContext = context.getMessageEvaluationContext();

                messageEvaluationContext.setMessageReference(r);
                if (messageEvaluationContext.getDestination() == null) {
                    messageEvaluationContext.setDestination(getActiveMQDestination());
                }

                return selectorExpression.matches(messageEvaluationContext);
            }
        };
    }
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        } catch (InvalidSelectorException expected) {}

    }

    public void testParseXPath() throws Exception {
        BooleanExpression filter = parse("XPATH '//title[@lang=''eng'']'");
        assertTrue("Created XPath expression", filter instanceof XPathExpression);
        LOG.info("Expression: " + filter);
    }
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        for (int i = 0; i < values.length; i++) {
            String value = values[i];
            LOG.info("Parsing: " + value);

            BooleanExpression andExpression = parse(value);
            assertTrue("Created LogicExpression expression", andExpression instanceof LogicExpression);
            LogicExpression logicExpression = (LogicExpression)andExpression;
            Expression left = logicExpression.getLeft();
            Expression right = logicExpression.getRight();
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        } catch (InvalidSelectorException e) {
        }
    }

    protected void assertSelector(Message message, String text, boolean expected) throws JMSException {
        BooleanExpression selector = SelectorParser.parse(text);
        assertTrue("Created a valid selector", selector != null);
        MessageEvaluationContext context = new MessageEvaluationContext();
        context.setMessageReference((org.apache.activemq.command.Message)message);
        boolean value = selector.matches(context);
        assertEquals("Selector for: " + text, expected, value);
    }
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        this.selectorExpression = parseSelector(info);
        this.lastAckTime = System.currentTimeMillis();
    }

    private static BooleanExpression parseSelector(ConsumerInfo info) throws InvalidSelectorException {
        BooleanExpression rc = null;
        if (info.getSelector() != null) {
            rc = SelectorParser.parse(info.getSelector());
        }
        if (info.isNoLocal()) {
            if (rc == null) {
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    @Override
    public void setSelector(String selector) throws InvalidSelectorException {
        ConsumerInfo copy = info.copy();
        copy.setSelector(selector);
        BooleanExpression newSelector = parseSelector(copy);
        // its valid so lets actually update it now
        info.setSelector(selector);
        this.selectorExpression = newSelector;
    }
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                    return true;
                }
            };
        }

        final BooleanExpression selectorExpression = SelectorParser.parse(selector);

        return new MessageReferenceFilter() {
            @Override
            public boolean evaluate(ConnectionContext context, MessageReference r) throws JMSException {
                MessageEvaluationContext messageEvaluationContext = context.getMessageEvaluationContext();

                messageEvaluationContext.setMessageReference(r);
                if (messageEvaluationContext.getDestination() == null) {
                    messageEvaluationContext.setDestination(getActiveMQDestination());
                }

                return selectorExpression.matches(messageEvaluationContext);
            }
        };
    }
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            }
        };
    }

    protected MessageReferenceFilter createSelectorFilter(String selector) throws InvalidSelectorException {
        final BooleanExpression selectorExpression = SelectorParser.parse(selector);

        return new MessageReferenceFilter() {
            public boolean evaluate(ConnectionContext context, MessageReference r) throws JMSException {
                MessageEvaluationContext messageEvaluationContext = context.getMessageEvaluationContext();

                messageEvaluationContext.setMessageReference(r);
                if (messageEvaluationContext.getDestination() == null) {
                    messageEvaluationContext.setDestination(getActiveMQDestination());
                }

                return selectorExpression.matches(messageEvaluationContext);
            }
        };
    }
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    private ActiveMQDestination destination;
    private String selector;
    private BooleanExpression filter;

    public boolean matches(MessageEvaluationContext context) throws JMSException {
        BooleanExpression booleanExpression = getFilter();
        if (booleanExpression == null) {
            return false;
        }
        return booleanExpression.matches(context);
    }
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Related Classes of org.apache.activemq.filter.BooleanExpression

  • org.apache.activemq.broker.jmx.DestinationView
  • org.apache.activemq.broker.region.AbstractSubscription
  • org.apache.activemq.broker.region.Queue
  • org.apache.activemq.broker.region.virtual.FilteredDestination
  • org.apache.activemq.broker.region.virtual.SelectorAwareVirtualTopicInterceptor
  • org.apache.activemq.selector.SelectorParserTest
  • org.apache.activemq.selector.SelectorTest
  • org.apache.activemq.selector.UnknownHandlingSelectorTest
  • org.apache.activemq.store.kahadb.KahaDBStore$KahaDBTopicMessageStore
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