diff --git a/spring-cloud-stream/src/main/java/org/springframework/cloud/stream/config/ChannelBindingAutoConfiguration.java b/spring-cloud-stream/src/main/java/org/springframework/cloud/stream/config/ChannelBindingAutoConfiguration.java new file mode 100644 index 000000000..afe470a2d --- /dev/null +++ b/spring-cloud-stream/src/main/java/org/springframework/cloud/stream/config/ChannelBindingAutoConfiguration.java @@ -0,0 +1,49 @@ +/* + * Copyright 2015 the original author or authors. + * + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + */ + +package org.springframework.cloud.stream.config; + +import org.springframework.beans.factory.annotation.Autowired; +import org.springframework.boot.autoconfigure.condition.ConditionalOnBean; +import org.springframework.boot.autoconfigure.condition.ConditionalOnMissingBean; +import org.springframework.boot.context.properties.EnableConfigurationProperties; +import org.springframework.cloud.stream.binding.ChannelBindingService; +import org.springframework.context.annotation.Bean; +import org.springframework.context.annotation.Configuration; +import org.springframework.integration.scheduling.PollerMetadata; +import org.springframework.messaging.MessageChannel; + +/** + * Configuration class with some useful beans for {@link MessageChannel} binding and + * general Spring Integration infrastructure. + * + * @author Dave Syer + */ +@Configuration +@ConditionalOnBean(ChannelBindingService.class) +@EnableConfigurationProperties(DefaultPollerProperties.class) +public class ChannelBindingAutoConfiguration { + + @Autowired + private DefaultPollerProperties poller; + + @Bean(name = PollerMetadata.DEFAULT_POLLER) + @ConditionalOnMissingBean(PollerMetadata.class) + public PollerMetadata defaultPoller() { + return this.poller.getPollerMetadata(); + } + +} diff --git a/spring-cloud-stream/src/main/java/org/springframework/cloud/stream/config/ChannelBindingServiceConfiguration.java b/spring-cloud-stream/src/main/java/org/springframework/cloud/stream/config/ChannelBindingServiceConfiguration.java index ab0a0e176..22bfa7519 100644 --- a/spring-cloud-stream/src/main/java/org/springframework/cloud/stream/config/ChannelBindingServiceConfiguration.java +++ b/spring-cloud-stream/src/main/java/org/springframework/cloud/stream/config/ChannelBindingServiceConfiguration.java @@ -22,11 +22,11 @@ import org.springframework.beans.factory.BeanFactoryUtils; import org.springframework.beans.factory.config.ConfigurableListableBeanFactory; import org.springframework.boot.autoconfigure.condition.ConditionalOnMissingBean; import org.springframework.boot.context.properties.EnableConfigurationProperties; -import org.springframework.cloud.stream.binding.ChannelBindingService; import org.springframework.cloud.stream.binder.Binder; import org.springframework.cloud.stream.binding.BinderAwareChannelResolver; import org.springframework.cloud.stream.binding.BinderAwareRouterBeanPostProcessor; import org.springframework.cloud.stream.binding.ChannelBindingLifecycle; +import org.springframework.cloud.stream.binding.ChannelBindingService; import org.springframework.context.annotation.Bean; import org.springframework.context.annotation.Configuration; import org.springframework.context.annotation.DependsOn; @@ -47,8 +47,13 @@ import org.springframework.messaging.core.DestinationResolver; public class ChannelBindingServiceConfiguration { @Bean + // This conditional is intentionally not in an autoconfig (usually a bad idea) because + // it is used to detect a ChannelBindingService in the parent context (which we know + // already exists). @ConditionalOnMissingBean(ChannelBindingService.class) - public ChannelBindingService bindingService(ChannelBindingProperties channelBindingProperties, Binder binder) { + public ChannelBindingService bindingService( + ChannelBindingProperties channelBindingProperties, + Binder binder) { return new ChannelBindingService(channelBindingProperties, binder); } diff --git a/spring-cloud-stream/src/main/java/org/springframework/cloud/stream/config/DefaultPollerProperties.java b/spring-cloud-stream/src/main/java/org/springframework/cloud/stream/config/DefaultPollerProperties.java new file mode 100644 index 000000000..608992aa8 --- /dev/null +++ b/spring-cloud-stream/src/main/java/org/springframework/cloud/stream/config/DefaultPollerProperties.java @@ -0,0 +1,63 @@ +/* + * Copyright 2015 the original author or authors. + * + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + */ + +package org.springframework.cloud.stream.config; + +import org.springframework.boot.context.properties.ConfigurationProperties; +import org.springframework.integration.scheduling.PollerMetadata; +import org.springframework.scheduling.support.PeriodicTrigger; + +/** + * @author Dave Syer + * + */ +@ConfigurationProperties("spring.integration.poller") +public class DefaultPollerProperties { + + /** + * Fixed delay for default poller. + */ + private long fixedDelay = 1000L; + + /** + * Maximum messages per poll for the default poller. + */ + private long maxMessagesPerPoll = 1L; + + public PollerMetadata getPollerMetadata() { + PollerMetadata pollerMetadata = new PollerMetadata(); + pollerMetadata.setTrigger(new PeriodicTrigger(this.fixedDelay)); + pollerMetadata.setMaxMessagesPerPoll(this.maxMessagesPerPoll); + return pollerMetadata; + } + + public long getFixedDelay() { + return this.fixedDelay; + } + + public void setFixedDelay(long fixedDelay) { + this.fixedDelay = fixedDelay; + } + + public long getMaxMessagesPerPoll() { + return this.maxMessagesPerPoll; + } + + public void setMaxMessagesPerPoll(long maxMessagesPerPoll) { + this.maxMessagesPerPoll = maxMessagesPerPoll; + } + +} diff --git a/spring-cloud-stream/src/main/resources/META-INF/spring.factories b/spring-cloud-stream/src/main/resources/META-INF/spring.factories new file mode 100644 index 000000000..3678aa5d1 --- /dev/null +++ b/spring-cloud-stream/src/main/resources/META-INF/spring.factories @@ -0,0 +1,2 @@ +org.springframework.boot.autoconfigure.EnableAutoConfiguration:\ +org.springframework.cloud.stream.config.ChannelBindingAutoConfiguration