INT-729 Added log4j configuration to the odd/even router samples. Also added a Message Filter with "nullChannel" as a discard channel. Set the log level to DEBUG for the NullChannel.
This commit is contained in:
Mark Fisher
32
spring-integration-samples/oddeven/src/main/java/log4j.xml
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32
spring-integration-samples/oddeven/src/main/java/log4j.xml
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@@ -0,0 +1,32 @@
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<?xml version="1.0" encoding="UTF-8"?>
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<!DOCTYPE log4j:configuration SYSTEM "log4j.dtd">
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<log4j:configuration xmlns:log4j="http://jakarta.apache.org/log4j/">
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<!-- Appenders -->
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<appender name="console" class="org.apache.log4j.ConsoleAppender">
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<param name="Target" value="System.out" />
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<layout class="org.apache.log4j.PatternLayout">
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<param name="ConversionPattern" value="%-5p: %c - %m%n" />
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</layout>
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</appender>
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<!-- Loggers -->
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<logger name="org.springframework">
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<level value="warn" />
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</logger>
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<logger name="org.springframework.integration">
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<level value="warn" />
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</logger>
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<logger name="org.springframework.integration.channel.NullChannel">
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<level value="debug" />
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</logger>
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<!-- Root Logger -->
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<root>
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<priority value="warn" />
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<appender-ref ref="console" />
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</root>
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</log4j:configuration>
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@@ -1,5 +1,5 @@
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/*
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* Copyright 2002-2008 the original author or authors.
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* Copyright 2002-2009 the original author or authors.
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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@@ -19,6 +19,12 @@ package org.springframework.integration.samples.oddeven;
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import java.util.concurrent.atomic.AtomicInteger;
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/**
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* A simple POJO providing a method that returns incrementing integer values.
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* This is referenced in the sample's configuration by an inbound Channel
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* Adapter acting as a Polling Consumer.
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* <p/>
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* Every 5th number will be returned as a negative value.
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*
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* @author Mark Fisher
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*/
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public class Counter {
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@@ -26,7 +32,8 @@ public class Counter {
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private final AtomicInteger count = new AtomicInteger();
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public int next() {
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return count.incrementAndGet();
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int nextNumber = count.incrementAndGet();
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return (nextNumber % 5 == 0) ? -nextNumber : nextNumber;
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}
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}
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@@ -19,11 +19,16 @@ package org.springframework.integration.samples.oddeven;
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import org.springframework.context.support.ClassPathXmlApplicationContext;
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/**
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* Demonstrates a method-invoking inbound Channel Adapter with a
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* Cron-based polling trigger followed by a simple method-invoking
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* router.
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* Demonstrates a method-invoking inbound Channel Adapter acting as a Polling
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* Consumer with a cron-based trigger. That adapter is followed, downstream, by
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* a simple method-invoking Message Filter that discards negative numbers to
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* the "nullChannel". Next is a Content Based Router. The router sends to one of
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* two channels based on whether the payload number is odd or even. Each of
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* those two channels has an Event Driven Consumer ready to log the number
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* and the current time.
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* <p>
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* See the 'cronOddEvenDemo.xml' configuration file for more detail.
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* See the 'cronOddEvenDemo.xml' configuration file for more detail. The cron
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* expression is based on the Fibonacci sequence. Feel free to modify it.
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*
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* @author Mark Fisher
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*/
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@@ -1,5 +1,5 @@
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/*
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* Copyright 2002-2008 the original author or authors.
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* Copyright 2002-2009 the original author or authors.
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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@@ -23,6 +23,8 @@ import org.springframework.integration.annotation.MessageEndpoint;
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import org.springframework.integration.annotation.ServiceActivator;
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/**
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* A POJO Service Activator that logs even numbers and the current time.
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*
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* @author Mark Fisher
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* @author Marius Bogoevici
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*/
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@@ -19,9 +19,13 @@ package org.springframework.integration.samples.oddeven;
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import org.springframework.context.support.ClassPathXmlApplicationContext;
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/**
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* Demonstrates a method-invoking inbound Channel Adapter with an
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* Interval-based polling trigger followed by a simple method-invoking
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* router.
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* Demonstrates a method-invoking inbound Channel Adapter acting as a Polling
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* Consumer with an interval-based trigger. That adapter is followed,
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* downstream, by a simple method-invoking Message Filter that discards
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* negative numbers to the "nullChannel". Next is a Content Based Router. The
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* router sends to one of two channels based on whether the payload number is
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* odd or even. Each of those two channels has an Event Driven Consumer ready
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* to log the number and the current time.
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* <p>
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* See the 'intervalOddEvenDemo.xml' configuration file for more detail.
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*
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@@ -1,5 +1,5 @@
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/*
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* Copyright 2002-2008 the original author or authors.
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* Copyright 2002-2009 the original author or authors.
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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@@ -23,6 +23,8 @@ import org.springframework.integration.annotation.MessageEndpoint;
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import org.springframework.integration.annotation.ServiceActivator;
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/**
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* A POJO Service Activator that logs odd numbers and the current time.
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*
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* @author Mark Fisher
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* @author Marius Bogoevici
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*/
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@@ -1,5 +1,5 @@
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/*
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* Copyright 2002-2008 the original author or authors.
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* Copyright 2002-2009 the original author or authors.
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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@@ -17,15 +17,14 @@
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package org.springframework.integration.samples.oddeven;
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/**
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* A POJO Content Based Router.
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*
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* @author Mark Fisher
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*/
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public class ParityResolver {
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public String getParity(int i) {
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if (i % 2 == 0) {
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return "even";
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}
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return "odd";
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return (i % 2 == 0) ? "even" : "odd";
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}
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}
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@@ -0,0 +1,30 @@
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/*
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* Copyright 2002-2009 the original author or authors.
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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package org.springframework.integration.samples.oddeven;
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/**
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* A POJO Message Filter.
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*
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* @author Mark Fisher
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*/
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public class PositiveChecker {
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public boolean isPositive(int i) {
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return i > 0;
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}
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}
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@@ -18,7 +18,11 @@
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</poller>
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</inbound-channel-adapter>
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<router ref="parityResolver" method="getParity" input-channel="numbers"/>
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<filter input-channel="numbers" output-channel="positives"
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ref="positiveChecker" method="isPositive"
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discard-channel="nullChannel"/>
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<router ref="parityResolver" method="getParity" input-channel="positives"/>
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<service-activator ref="oddLogger" input-channel="odd"/>
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@@ -26,6 +30,8 @@
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<beans:bean id="counter" class="org.springframework.integration.samples.oddeven.Counter"/>
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<beans:bean id="positiveChecker" class="org.springframework.integration.samples.oddeven.PositiveChecker"/>
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<beans:bean id="parityResolver" class="org.springframework.integration.samples.oddeven.ParityResolver"/>
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<beans:bean id="oddLogger" class="org.springframework.integration.samples.oddeven.OddLogger"/>
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@@ -18,7 +18,11 @@
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</poller>
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</inbound-channel-adapter>
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<router ref="parityResolver" method="getParity" input-channel="numbers"/>
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<filter input-channel="numbers" output-channel="positives"
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ref="positiveChecker" method="isPositive"
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discard-channel="nullChannel"/>
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<router ref="parityResolver" method="getParity" input-channel="positives"/>
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<service-activator ref="oddLogger" input-channel="odd"/>
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@@ -26,6 +30,8 @@
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<beans:bean id="counter" class="org.springframework.integration.samples.oddeven.Counter"/>
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<beans:bean id="positiveChecker" class="org.springframework.integration.samples.oddeven.PositiveChecker"/>
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<beans:bean id="parityResolver" class="org.springframework.integration.samples.oddeven.ParityResolver"/>
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<beans:bean id="oddLogger" class="org.springframework.integration.samples.oddeven.OddLogger"/>
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