Add a sample app with just beans that are Functions
Make it deployable via its maven coordinates in spring-cloud-function-deployer (it is deployed by default on start up right now, but that's just a demo)
This commit is contained in:
Dave Syer
0
spring-cloud-function-context/.jdk8
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0
spring-cloud-function-context/.jdk8
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58
spring-cloud-function-context/pom.xml
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spring-cloud-function-context/pom.xml
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<?xml version="1.0" encoding="UTF-8"?>
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<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
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xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
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<modelVersion>4.0.0</modelVersion>
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<artifactId>spring-cloud-function-context</artifactId>
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<packaging>jar</packaging>
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<name>spring-cloud-function-context</name>
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<description>Spring Cloud Function Web Support</description>
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<parent>
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<groupId>org.springframework.cloud</groupId>
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<artifactId>spring-cloud-function-parent</artifactId>
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<version>1.0.0.BUILD-SNAPSHOT</version>
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</parent>
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<properties>
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<java.version>1.8</java.version>
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<spring-cloud-function.version>1.0.0.BUILD-SNAPSHOT</spring-cloud-function.version>
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<wrapper.version>0.0.1.BUILD-SNAPSHOT</wrapper.version>
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</properties>
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<dependencies>
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<dependency>
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<groupId>org.springframework.cloud</groupId>
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<artifactId>spring-cloud-function-core</artifactId>
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<version>${spring-cloud-function.version}</version>
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</dependency>
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<dependency>
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<groupId>org.springframework.boot</groupId>
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<artifactId>spring-boot-configuration-processor</artifactId>
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<optional>true</optional>
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</dependency>
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</dependencies>
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<dependencyManagement>
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<dependencies>
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<dependency>
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<groupId>org.springframework.boot</groupId>
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<artifactId>spring-boot-dependencies</artifactId>
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<version>2.0.0.BUILD-SNAPSHOT</version>
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<type>pom</type>
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<scope>import</scope>
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</dependency>
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</dependencies>
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</dependencyManagement>
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<build>
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<plugins>
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<plugin>
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<groupId>org.apache.maven.plugins</groupId>
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<artifactId>maven-jar-plugin</artifactId>
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<version>3.0.0</version>
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</plugin>
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</plugins>
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</build>
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</project>
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/*
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* Copyright 2016 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.cloud.function.context;
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import java.util.Map;
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import java.util.function.Consumer;
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import java.util.function.Function;
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import java.util.function.Supplier;
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import org.springframework.cloud.function.registry.FunctionCatalog;
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public class ApplicationContextFunctionCatalog implements FunctionCatalog {
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private final Map<String, Function<?, ?>> functions;
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private final Map<String, Consumer<?>> consumers;
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private final Map<String, Supplier<?>> suppliers;
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public ApplicationContextFunctionCatalog(Map<String, Function<?, ?>> functions,
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Map<String, Consumer<?>> consumers, Map<String, Supplier<?>> suppliers) {
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this.functions = functions;
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this.consumers = consumers;
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this.suppliers = suppliers;
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}
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@SuppressWarnings("unchecked")
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@Override
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public <T> Consumer<T> lookupConsumer(String name) {
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return (Consumer<T>) consumers.get(name);
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}
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@SuppressWarnings("unchecked")
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@Override
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public <T, R> Function<T, R> lookupFunction(String name) {
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return (Function<T, R>) functions.get(name);
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}
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@Override
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public <T, R> Function<T, R> composeFunction(String... functionNames) {
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Function<T, R> function = this.lookupFunction(functionNames[0]);
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for (int i = 1; i < functionNames.length; i++) {
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function = function.andThen(this.lookupFunction(functionNames[i]));
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}
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return function;
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}
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@SuppressWarnings("unchecked")
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@Override
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public <T> Supplier<T> lookupSupplier(String name) {
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return (Supplier<T>) suppliers.get(name);
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}
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}
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/*
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* Copyright 2016 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.cloud.function.context;
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import java.util.Collections;
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import java.util.Map;
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import java.util.function.Consumer;
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import java.util.function.Function;
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import java.util.function.Supplier;
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import org.springframework.beans.factory.annotation.Autowired;
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import org.springframework.boot.autoconfigure.AutoConfigureBefore;
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import org.springframework.boot.autoconfigure.condition.ConditionalOnClass;
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import org.springframework.boot.autoconfigure.condition.ConditionalOnMissingBean;
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import org.springframework.cloud.function.registry.DefaultFunctionRegistryAutoConfiguration;
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import org.springframework.cloud.function.registry.FunctionCatalog;
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import org.springframework.context.annotation.Bean;
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import org.springframework.context.annotation.Configuration;
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@Configuration
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@ConditionalOnClass(ApplicationContextFunctionCatalog.class)
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@ConditionalOnMissingBean(FunctionCatalog.class)
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@AutoConfigureBefore(DefaultFunctionRegistryAutoConfiguration.class)
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public class ContextFunctionCatalogAutoConfiguration {
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@Autowired(required = false)
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private Map<String, Function<?, ?>> functions = Collections.emptyMap();
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@Autowired(required = false)
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private Map<String, Consumer<?>> consumers = Collections.emptyMap();
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@Autowired(required = false)
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private Map<String, Supplier<?>> suppliers = Collections.emptyMap();
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@Bean
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public FunctionCatalog functionCatalog() {
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return new ApplicationContextFunctionCatalog(functions, consumers, suppliers);
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}
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}
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@@ -0,0 +1,2 @@
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org.springframework.boot.autoconfigure.EnableAutoConfiguration=\
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org.springframework.cloud.function.context.ContextFunctionCatalogAutoConfiguration
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