Support namespace based prefixed properties
- In AggregateApplication, support specifying commandline and environment properties based on namespace for each containing applications using namespace as prefix - As usual, command line properties override the environment as well as the properties specified inside the application
This commit is contained in:
Ilayaperumal Gopinathan
committed by
Marius Bogoevici
Marius Bogoevici
parent
8c33609f2b
commit
6fc6445c4f
@@ -18,17 +18,26 @@ package org.springframework.cloud.stream.aggregate;
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import java.util.ArrayList;
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import java.util.Arrays;
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import java.util.Collection;
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import java.util.HashMap;
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import java.util.LinkedHashMap;
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import java.util.LinkedHashSet;
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import java.util.List;
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import java.util.Map;
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import java.util.Set;
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import org.springframework.boot.actuate.endpoint.MetricReaderPublicMetrics;
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import org.springframework.boot.actuate.endpoint.MetricsEndpoint;
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import org.springframework.boot.autoconfigure.EnableAutoConfiguration;
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import org.springframework.boot.autoconfigure.condition.ConditionalOnMissingBean;
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import org.springframework.boot.bind.PropertySourcesPropertyValues;
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import org.springframework.boot.bind.RelaxedDataBinder;
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import org.springframework.boot.bind.RelaxedNames;
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import org.springframework.boot.builder.SpringApplicationBuilder;
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import org.springframework.cloud.stream.annotation.EnableBinding;
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import org.springframework.context.ConfigurableApplicationContext;
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import org.springframework.context.annotation.Bean;
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import org.springframework.core.env.PropertySources;
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import org.springframework.integration.monitor.IntegrationMBeanExporter;
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import org.springframework.util.StringUtils;
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@@ -65,7 +74,7 @@ public class AggregateApplicationBuilder {
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}
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public AggregateApplicationBuilder(Object source, String... args) {
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this(new Object[]{ source }, args);
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this(new Object[] { source }, args);
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}
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public AggregateApplicationBuilder(Object[] sources, String[] args) {
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@@ -85,7 +94,7 @@ public class AggregateApplicationBuilder {
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}
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public AggregateApplicationBuilder parent(Object source, String... args) {
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return parent(new Object[]{ source }, args);
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return parent(new Object[] { source }, args);
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}
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public AggregateApplicationBuilder parent(Object[] sources, String[] args) {
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@@ -139,6 +148,7 @@ public class AggregateApplicationBuilder {
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apps.add(sinkConfigurer);
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}
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LinkedHashMap<Class<?>, String> appsToEmbed = new LinkedHashMap<>();
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LinkedHashMap<AppConfigurer, String> appConfigurers = new LinkedHashMap<>();
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for (int i = 0; i < apps.size(); i++) {
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AppConfigurer<?> appConfigurer = apps.get(i);
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Class<?> appToEmbed = appConfigurer.getApp();
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@@ -148,11 +158,53 @@ public class AggregateApplicationBuilder {
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i);
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}
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appsToEmbed.put(appToEmbed, appConfigurer.namespace);
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appConfigurers.put(appConfigurer, appConfigurer.namespace);
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}
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this.parentContext = AggregateApplication.createParentContext(this.parentSources.toArray(new Object[0]),
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this.parentArgs.toArray(new String[0]), selfContained(), this.webEnvironment, this.headless);
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SharedChannelRegistry sharedChannelRegistry = this.parentContext.getBean(SharedChannelRegistry.class);
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AggregateApplication.prepareSharedChannelRegistry(sharedChannelRegistry, appsToEmbed);
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PropertySources propertySources = this.parentContext.getEnvironment()
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.getPropertySources();
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for (Map.Entry<AppConfigurer, String> appConfigurerEntry : appConfigurers
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.entrySet()) {
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AppConfigurer appConfigurer = appConfigurerEntry.getKey();
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String namespace = appConfigurerEntry.getValue().toLowerCase();
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Set<String> argsToUpdate = new LinkedHashSet<>();
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Set<String> argKeys = new LinkedHashSet<>();
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final HashMap<String, String> target = new HashMap<>();
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RelaxedDataBinder relaxedDataBinder = new RelaxedDataBinder(target, namespace);
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relaxedDataBinder.bind(new PropertySourcesPropertyValues(propertySources));
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if (!target.isEmpty()) {
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for (Map.Entry<String, String> entry : target.entrySet()) {
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// only update the values with the highest precedence level.
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if (!relaxedNameKeyExists(entry.getKey(), argKeys)) {
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String key = entry.getKey();
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// in case of environment variables pass the lower-case property key
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// as we pass the properties as command line properties
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if (key.contains("_")) {
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key = key.replace("_", "-").toLowerCase();
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}
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argKeys.add(key);
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argsToUpdate.add("--" + key + "=" + entry.getValue());
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}
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}
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}
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// Add the args that are set at the application level if they weren't
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// overridden above from other property sources.
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if (appConfigurer.getArgs() != null) {
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for (String arg: appConfigurer.getArgs()) {
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// use the key part left to the assignment and trimming the prefix `--`
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String key = arg.substring(0, arg.indexOf("=")).substring(2);
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if (!relaxedNameKeyExists(key, argKeys)) {
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argsToUpdate.add(arg);
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}
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}
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}
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if (!argsToUpdate.isEmpty()) {
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appConfigurer.args(argsToUpdate.toArray(new String[0]));
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}
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}
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for (int i = apps.size() - 1; i >= 0; i--) {
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AppConfigurer<?> appConfigurer = apps.get(i);
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appConfigurer.embed();
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@@ -164,12 +216,21 @@ public class AggregateApplicationBuilder {
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return (this.sourceConfigurer != null) && (this.sinkConfigurer != null);
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}
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private ChildContextBuilder childContext(Class<?> app,
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ConfigurableApplicationContext parentContext, String namespace) {
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return new ChildContextBuilder(
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AggregateApplication.embedApp(parentContext, namespace, app));
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private boolean relaxedNameKeyExists(String key, Collection<String> collection) {
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RelaxedNames relaxedNames = new RelaxedNames(key);
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for (String name : relaxedNames) {
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if (collection.contains(name)) {
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return true;
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}
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}
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return false;
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}
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private ChildContextBuilder childContext(Class<?> app,
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ConfigurableApplicationContext parentContext, String namespace) {
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return new ChildContextBuilder(AggregateApplication.embedApp(parentContext,
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namespace, app));
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}
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public class SourceConfigurer extends AppConfigurer<SourceConfigurer> {
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@@ -270,6 +331,14 @@ public class AggregateApplicationBuilder {
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new NamespaceAwareSpringIntegrationMetricReader(this.namespace, childContext.getBean(
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IntegrationMBeanExporter.class))));
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}
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public String[] getArgs() {
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return this.args;
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}
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public String getNamespace() {
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return this.namespace;
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}
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}
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private final class ChildContextBuilder {
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@@ -16,14 +16,20 @@
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package org.springframework.cloud.stream.aggregation;
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import static org.assertj.core.api.Assertions.assertThat;
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import static org.junit.Assert.assertTrue;
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import java.util.ArrayList;
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import java.util.Arrays;
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import java.util.List;
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import org.junit.After;
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import org.junit.Test;
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import org.springframework.beans.DirectFieldAccessor;
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import org.springframework.boot.autoconfigure.EnableAutoConfiguration;
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import org.springframework.cloud.stream.aggregate.AggregateApplicationBuilder;
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import org.springframework.cloud.stream.aggregate.AggregateApplicationBuilder.SourceConfigurer;
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import org.springframework.cloud.stream.aggregate.SharedChannelRegistry;
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import org.springframework.cloud.stream.annotation.EnableBinding;
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import org.springframework.cloud.stream.binding.BindableChannelFactory;
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@@ -34,24 +40,34 @@ import org.springframework.context.ConfigurableApplicationContext;
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import org.springframework.context.annotation.Configuration;
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import org.springframework.messaging.MessageChannel;
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import static org.assertj.core.api.Assertions.assertThat;
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/**
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* @author Marius Bogoevici
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* @author Ilayaperumal Gopinathan
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*/
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public class ModuleAggregationTest {
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private ConfigurableApplicationContext aggregatedApplicationContext;
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@After
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public void closeContext() {
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System.clearProperty("a.foo-value");
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System.clearProperty("c.fooValue");
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System.clearProperty("a_FOO_VALUE");
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System.clearProperty("C_FOO_VALUE");
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if (aggregatedApplicationContext != null) {
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aggregatedApplicationContext.close();
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}
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}
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@Test
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public void testModuleAggregation() {
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ConfigurableApplicationContext aggregatedApplicationContext =
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new AggregateApplicationBuilder(MockBinderRegistryConfiguration.class,
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"--server.port=0")
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.from(TestSource.class)
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.to(TestProcessor.class)
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.run();
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SharedChannelRegistry sharedChannelRegistry = aggregatedApplicationContext.getBean(SharedChannelRegistry.class);
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BindableChannelFactory channelFactory = aggregatedApplicationContext.getBean(BindableChannelFactory.class);
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aggregatedApplicationContext = new AggregateApplicationBuilder(
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MockBinderRegistryConfiguration.class, "--server.port=0")
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.from(TestSource.class).to(TestProcessor.class).run();
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SharedChannelRegistry sharedChannelRegistry = aggregatedApplicationContext
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.getBean(SharedChannelRegistry.class);
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BindableChannelFactory channelFactory = aggregatedApplicationContext
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.getBean(BindableChannelFactory.class);
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assertThat(channelFactory).isNotNull();
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assertThat(sharedChannelRegistry.getAll().keySet()).hasSize(2);
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aggregatedApplicationContext.close();
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@@ -81,18 +97,171 @@ public class ModuleAggregationTest {
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context.close();
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}
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@Test
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public void testNamespacePrefixesFromCmdLine() {
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AggregateApplicationBuilder aggregateApplicationBuilder = new AggregateApplicationBuilder(
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MockBinderRegistryConfiguration.class);
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aggregatedApplicationContext = aggregateApplicationBuilder.parent(DummyConfig.class).from(TestSource.class)
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.namespace("a").via(TestProcessor.class).namespace("b")
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.via(TestProcessor.class).namespace("c")
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.run("--a.foo1=bar1", "--b.foo1=bar2", "--c.foo1=bar3");
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DirectFieldAccessor aggregateApplicationBuilderAccessor = new DirectFieldAccessor(aggregateApplicationBuilder);
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assertTrue(Arrays.equals(((SourceConfigurer) aggregateApplicationBuilderAccessor.getPropertyValue("sourceConfigurer")).getArgs(),
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new String[] {"--foo1=bar1"}));
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for (AggregateApplicationBuilder.ProcessorConfigurer processorConfigurer : ((List<AggregateApplicationBuilder.ProcessorConfigurer>) aggregateApplicationBuilderAccessor.getPropertyValue("processorConfigurers"))) {
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if (processorConfigurer.getNamespace().equals("b")) {
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assertTrue(Arrays.equals(processorConfigurer.getArgs(),
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new String[] { "--foo1=bar2" }));
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}
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if (processorConfigurer.getNamespace().equals("c")) {
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assertTrue(Arrays.equals(processorConfigurer.getArgs(),
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new String[] { "--foo1=bar3" }));
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}
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}
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aggregatedApplicationContext.close();
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}
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@Test
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public void testNamespacePrefixesFromCmdLineVsArgs() {
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AggregateApplicationBuilder aggregateApplicationBuilder = new AggregateApplicationBuilder(
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MockBinderRegistryConfiguration.class);
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aggregatedApplicationContext = aggregateApplicationBuilder.parent(DummyConfig.class).from(TestSource.class)
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.namespace("a").args("--fooValue=bar")
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.via(TestProcessor.class).namespace("b").args("--foo1=argbarb")
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.via(TestProcessor.class).namespace("c")
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.run("--a.fooValue=bara", "--c.foo1=barc");
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DirectFieldAccessor aggregateApplicationBuilderAccessor = new DirectFieldAccessor(aggregateApplicationBuilder);
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assertTrue(Arrays.equals(((SourceConfigurer) aggregateApplicationBuilderAccessor.getPropertyValue("sourceConfigurer")).getArgs(),
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new String[] {"--fooValue=bara"}));
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for (AggregateApplicationBuilder.ProcessorConfigurer processorConfigurer : ((List<AggregateApplicationBuilder.ProcessorConfigurer>) aggregateApplicationBuilderAccessor.getPropertyValue("processorConfigurers"))) {
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if (processorConfigurer.getNamespace().equals("b")) {
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assertTrue(Arrays.equals(processorConfigurer.getArgs(),
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new String[] { "--foo1=argbarb" }));
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}
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if (processorConfigurer.getNamespace().equals("c")) {
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assertTrue(Arrays.equals(processorConfigurer.getArgs(),
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new String[] { "--foo1=barc" }));
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}
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}
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aggregatedApplicationContext.close();
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}
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@Test
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public void testNamespacePrefixesFromCmdLineWithRelaxedNames() {
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AggregateApplicationBuilder aggregateApplicationBuilder = new AggregateApplicationBuilder(
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MockBinderRegistryConfiguration.class);
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aggregatedApplicationContext = aggregateApplicationBuilder.parent(DummyConfig.class).from(TestSource.class)
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.namespace("a").args("--foo-value=bar")
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.via(TestProcessor.class).namespace("b").args("--fooValue=argbarb")
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.via(TestProcessor.class).namespace("c")
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.run("--a.fooValue=bara", "--b.foo-value=barb", "--c.foo1=barc");
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DirectFieldAccessor aggregateApplicationBuilderAccessor = new DirectFieldAccessor(aggregateApplicationBuilder);
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assertTrue(Arrays.equals(((SourceConfigurer) aggregateApplicationBuilderAccessor.getPropertyValue("sourceConfigurer")).getArgs(),
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new String[] {"--fooValue=bara"}));
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for (AggregateApplicationBuilder.ProcessorConfigurer processorConfigurer : ((List<AggregateApplicationBuilder.ProcessorConfigurer>) aggregateApplicationBuilderAccessor.getPropertyValue("processorConfigurers"))) {
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if (processorConfigurer.getNamespace().equals("b")) {
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assertTrue(Arrays.equals(processorConfigurer.getArgs(),
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new String[] { "--foo-value=barb" }));
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}
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if (processorConfigurer.getNamespace().equals("c")) {
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assertTrue(Arrays.equals(processorConfigurer.getArgs(),
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new String[] { "--foo1=barc" }));
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}
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}
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aggregatedApplicationContext.close();
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}
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@Test
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public void testNamespacePrefixesFromCmdLineWithRelaxedNamesAndMorePropertySources() {
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AggregateApplicationBuilder aggregateApplicationBuilder = new AggregateApplicationBuilder(
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MockBinderRegistryConfiguration.class);
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System.setProperty("a.foo-value", "sysbara");
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System.setProperty("c.fooValue", "sysbarc");
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aggregatedApplicationContext = aggregateApplicationBuilder.parent(DummyConfig.class).from(TestSource.class)
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.namespace("a").args("--foo-value=bar")
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.via(TestProcessor.class).namespace("b").args("--fooValue=argbarb")
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.via(TestProcessor.class).namespace("c").args("--foo-value=argbarc")
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.run("--a.fooValue=bara");
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DirectFieldAccessor aggregateApplicationBuilderAccessor = new DirectFieldAccessor(aggregateApplicationBuilder);
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assertTrue(Arrays.equals(((SourceConfigurer) aggregateApplicationBuilderAccessor.getPropertyValue("sourceConfigurer")).getArgs(),
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new String[] {"--fooValue=bara"}));
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for (AggregateApplicationBuilder.ProcessorConfigurer processorConfigurer : ((List<AggregateApplicationBuilder.ProcessorConfigurer>) aggregateApplicationBuilderAccessor.getPropertyValue("processorConfigurers"))) {
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if (processorConfigurer.getNamespace().equals("b")) {
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assertTrue(Arrays.equals(processorConfigurer.getArgs(),
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new String[] { "--fooValue=argbarb" }));
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}
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if (processorConfigurer.getNamespace().equals("c")) {
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assertTrue(Arrays.equals(processorConfigurer.getArgs(),
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new String[] { "--fooValue=sysbarc" }));
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}
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}
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aggregatedApplicationContext.close();
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}
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@Test
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public void testNamespacePrefixesWithoutCmdLinePropertySource() {
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AggregateApplicationBuilder aggregateApplicationBuilder = new AggregateApplicationBuilder(
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MockBinderRegistryConfiguration.class);
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System.setProperty("a.foo-value", "sysbara");
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System.setProperty("c.fooValue", "sysbarc");
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aggregatedApplicationContext = aggregateApplicationBuilder.parent(DummyConfig.class).from(TestSource.class)
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.namespace("a").args("--foo-value=bar")
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.via(TestProcessor.class).namespace("b").args("--fooValue=argbarb")
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.via(TestProcessor.class).namespace("c").args("--foo-value=argbarc")
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.run();
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DirectFieldAccessor aggregateApplicationBuilderAccessor = new DirectFieldAccessor(aggregateApplicationBuilder);
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assertTrue(Arrays.equals(((SourceConfigurer) aggregateApplicationBuilderAccessor.getPropertyValue("sourceConfigurer")).getArgs(),
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new String[] {"--foo-value=sysbara"}));
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for (AggregateApplicationBuilder.ProcessorConfigurer processorConfigurer : ((List<AggregateApplicationBuilder.ProcessorConfigurer>) aggregateApplicationBuilderAccessor.getPropertyValue("processorConfigurers"))) {
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if (processorConfigurer.getNamespace().equals("b")) {
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assertTrue(Arrays.equals(processorConfigurer.getArgs(),
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new String[] { "--fooValue=argbarb" }));
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}
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if (processorConfigurer.getNamespace().equals("c")) {
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assertTrue(Arrays.equals(processorConfigurer.getArgs(),
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new String[] { "--fooValue=sysbarc" }));
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}
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}
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aggregatedApplicationContext.close();
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}
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@Test
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public void testNamespacePrefixesWithCAPSProperties() {
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AggregateApplicationBuilder aggregateApplicationBuilder = new AggregateApplicationBuilder(
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MockBinderRegistryConfiguration.class);
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System.setProperty("a_FOO_VALUE", "sysbara");
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System.setProperty("C_FOO_VALUE", "sysbarc");
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aggregatedApplicationContext = aggregateApplicationBuilder.parent(DummyConfig.class).from(TestSource.class)
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.namespace("a").args("--foo-value=bar")
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.via(TestProcessor.class).namespace("b").args("--fooValue=argbarb")
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.via(TestProcessor.class).namespace("c").args("--foo-value=argbarc")
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.run("--a.fooValue=highest");
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DirectFieldAccessor aggregateApplicationBuilderAccessor = new DirectFieldAccessor(aggregateApplicationBuilder);
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assertTrue(Arrays.equals(((SourceConfigurer) aggregateApplicationBuilderAccessor.getPropertyValue("sourceConfigurer")).getArgs(),
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new String[] {"--fooValue=highest"}));
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for (AggregateApplicationBuilder.ProcessorConfigurer processorConfigurer : ((List<AggregateApplicationBuilder.ProcessorConfigurer>) aggregateApplicationBuilderAccessor.getPropertyValue("processorConfigurers"))) {
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if (processorConfigurer.getNamespace().equals("b")) {
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assertTrue(Arrays.equals(processorConfigurer.getArgs(),
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new String[] { "--fooValue=argbarb" }));
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}
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if (processorConfigurer.getNamespace().equals("c")) {
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assertTrue(Arrays.equals(processorConfigurer.getArgs(),
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new String[] { "--foo-value=sysbarc" }));
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}
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}
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aggregatedApplicationContext.close();
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}
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@Test
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public void testNamespaces() {
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ConfigurableApplicationContext aggregatedApplicationContext =
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new AggregateApplicationBuilder(MockBinderRegistryConfiguration.class,
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"--server.port=0")
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.from(TestSource.class)
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.namespace("foo").to(TestProcessor.class).namespace("bar")
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.run();
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SharedChannelRegistry sharedChannelRegistry
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= aggregatedApplicationContext.getBean(SharedChannelRegistry.class);
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BindableChannelFactory channelFactory
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= aggregatedApplicationContext.getBean(BindableChannelFactory.class);
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aggregatedApplicationContext = new AggregateApplicationBuilder(
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MockBinderRegistryConfiguration.class, "--server.port=0")
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.from(TestSource.class).namespace("foo").to(TestProcessor.class)
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.namespace("bar").run();
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SharedChannelRegistry sharedChannelRegistry = aggregatedApplicationContext
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.getBean(SharedChannelRegistry.class);
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BindableChannelFactory channelFactory = aggregatedApplicationContext
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.getBean(BindableChannelFactory.class);
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Object fooOutput = sharedChannelRegistry.get("foo.output");
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assertThat(fooOutput).isNotNull();
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assertThat(fooOutput).isInstanceOf(MessageChannel.class);
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@@ -104,7 +273,6 @@ public class ModuleAggregationTest {
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aggregatedApplicationContext.close();
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}
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@EnableBinding(Source.class)
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@EnableAutoConfiguration
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public static class TestSource {
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Reference in New Issue
Block a user