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Posted to dev@dubbo.apache.org by mi...@apache.org on 2018/12/25 07:03:17 UTC
[incubator-dubbo-samples] branch samples-for-2.7.0-SNAPSHOT
updated: add generic call sample
This is an automated email from the ASF dual-hosted git repository.
min pushed a commit to branch samples-for-2.7.0-SNAPSHOT
in repository https://gitbox.apache.org/repos/asf/incubator-dubbo-samples.git
The following commit(s) were added to refs/heads/samples-for-2.7.0-SNAPSHOT by this push:
new 15e272b add generic call sample
15e272b is described below
commit 15e272b2566531779812e3d76da752543294a5ee
Author: nzomkxia <z8...@gmail.com>
AuthorDate: Tue Dec 25 15:03:12 2018 +0800
add generic call sample
---
dubbo-samples-generic-call/pom.xml | 15 ++
.../samples/generic/call/EmbeddedZooKeeper.java | 255 +++++++++++++++++++++
.../samples/generic/call/GenericCallConsumer.java | 44 ++++
.../samples/generic/call/GenericCallProvider.java | 36 +++
.../samples/generic/call/api/HelloService.java | 24 ++
.../generic/call/impl/HelloServiceImpl.java | 30 +++
.../src/main/resources/log4j.properties | 26 +++
.../src/main/resources/spring/generic-provider.xml | 37 +++
pom.xml | 1 +
9 files changed, 468 insertions(+)
diff --git a/dubbo-samples-generic-call/pom.xml b/dubbo-samples-generic-call/pom.xml
new file mode 100644
index 0000000..5e24aa8
--- /dev/null
+++ b/dubbo-samples-generic-call/pom.xml
@@ -0,0 +1,15 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<project xmlns="http://maven.apache.org/POM/4.0.0"
+ xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+ xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+ <parent>
+ <artifactId>dubbo-samples-all</artifactId>
+ <groupId>org.apache.dubbo</groupId>
+ <version>1.0-SNAPSHOT</version>
+ </parent>
+ <modelVersion>4.0.0</modelVersion>
+
+ <artifactId>dubbo-samples-generic-call</artifactId>
+
+
+</project>
diff --git a/dubbo-samples-generic-call/src/main/java/org/apache/dubbo/samples/generic/call/EmbeddedZooKeeper.java b/dubbo-samples-generic-call/src/main/java/org/apache/dubbo/samples/generic/call/EmbeddedZooKeeper.java
new file mode 100644
index 0000000..bbac4fb
--- /dev/null
+++ b/dubbo-samples-generic-call/src/main/java/org/apache/dubbo/samples/generic/call/EmbeddedZooKeeper.java
@@ -0,0 +1,255 @@
+/*
+ * Copyright 2014 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.apache.dubbo.samples.generic.call;
+
+import org.apache.zookeeper.server.ServerConfig;
+import org.apache.zookeeper.server.ZooKeeperServerMain;
+import org.apache.zookeeper.server.quorum.QuorumPeerConfig;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+import org.springframework.context.SmartLifecycle;
+import org.springframework.util.ErrorHandler;
+import org.springframework.util.SocketUtils;
+
+import java.io.File;
+import java.lang.reflect.Method;
+import java.util.Properties;
+import java.util.UUID;
+
+/**
+ * from: https://github.com/spring-projects/spring-xd/blob/v1.3.1.RELEASE/spring-xd-dirt/src/main/java/org/springframework/xd/dirt/zookeeper/ZooKeeperUtils.java
+ *
+ * Helper class to start an embedded instance of standalone (non clustered) ZooKeeper.
+ *
+ * NOTE: at least an external standalone server (if not an ensemble) are recommended, even for
+ * {@link org.springframework.xd.dirt.server.singlenode.SingleNodeApplication}
+ *
+ * @author Patrick Peralta
+ * @author Mark Fisher
+ * @author David Turanski
+ */
+public class EmbeddedZooKeeper implements SmartLifecycle {
+
+ /**
+ * Logger.
+ */
+ private static final Logger logger = LoggerFactory.getLogger(EmbeddedZooKeeper.class);
+
+ /**
+ * ZooKeeper client port. This will be determined dynamically upon startup.
+ */
+ private final int clientPort;
+
+ /**
+ * Whether to auto-start. Default is true.
+ */
+ private boolean autoStartup = true;
+
+ /**
+ * Lifecycle phase. Default is 0.
+ */
+ private int phase = 0;
+
+ /**
+ * Thread for running the ZooKeeper server.
+ */
+ private volatile Thread zkServerThread;
+
+ /**
+ * ZooKeeper server.
+ */
+ private volatile ZooKeeperServerMain zkServer;
+
+ /**
+ * {@link ErrorHandler} to be invoked if an Exception is thrown from the ZooKeeper server thread.
+ */
+ private ErrorHandler errorHandler;
+
+ private boolean daemon = true;
+
+ /**
+ * Construct an EmbeddedZooKeeper with a random port.
+ */
+ public EmbeddedZooKeeper() {
+ clientPort = SocketUtils.findAvailableTcpPort();
+ }
+
+ /**
+ * Construct an EmbeddedZooKeeper with the provided port.
+ *
+ * @param clientPort port for ZooKeeper server to bind to
+ */
+ public EmbeddedZooKeeper(int clientPort, boolean daemon) {
+ this.clientPort = clientPort;
+ this.daemon = daemon;
+ }
+
+ /**
+ * Returns the port that clients should use to connect to this embedded server.
+ *
+ * @return dynamically determined client port
+ */
+ public int getClientPort() {
+ return this.clientPort;
+ }
+
+ /**
+ * Specify whether to start automatically. Default is true.
+ *
+ * @param autoStartup whether to start automatically
+ */
+ public void setAutoStartup(boolean autoStartup) {
+ this.autoStartup = autoStartup;
+ }
+
+ /**
+ * {@inheritDoc}
+ */
+ @Override
+ public boolean isAutoStartup() {
+ return this.autoStartup;
+ }
+
+ /**
+ * Specify the lifecycle phase for the embedded server.
+ *
+ * @param phase the lifecycle phase
+ */
+ public void setPhase(int phase) {
+ this.phase = phase;
+ }
+
+ /**
+ * {@inheritDoc}
+ */
+ @Override
+ public int getPhase() {
+ return this.phase;
+ }
+
+ /**
+ * {@inheritDoc}
+ */
+ @Override
+ public boolean isRunning() {
+ return (zkServerThread != null);
+ }
+
+ /**
+ * Start the ZooKeeper server in a background thread.
+ * <p>
+ * Register an error handler via {@link #setErrorHandler} in order to handle
+ * any exceptions thrown during startup or execution.
+ */
+ @Override
+ public synchronized void start() {
+ if (zkServerThread == null) {
+ zkServerThread = new Thread(new ServerRunnable(), "ZooKeeper Server Starter");
+ zkServerThread.setDaemon(daemon);
+ zkServerThread.start();
+ }
+ }
+
+ /**
+ * Shutdown the ZooKeeper server.
+ */
+ @Override
+ public synchronized void stop() {
+ if (zkServerThread != null) {
+ // The shutdown method is protected...thus this hack to invoke it.
+ // This will log an exception on shutdown; see
+ // https://issues.apache.org/jira/browse/ZOOKEEPER-1873 for details.
+ try {
+ Method shutdown = ZooKeeperServerMain.class.getDeclaredMethod("shutdown");
+ shutdown.setAccessible(true);
+ shutdown.invoke(zkServer);
+ }
+
+ catch (Exception e) {
+ throw new RuntimeException(e);
+ }
+
+ // It is expected that the thread will exit after
+ // the server is shutdown; this will block until
+ // the shutdown is complete.
+ try {
+ zkServerThread.join(5000);
+ zkServerThread = null;
+ }
+ catch (InterruptedException e) {
+ Thread.currentThread().interrupt();
+ logger.warn("Interrupted while waiting for embedded ZooKeeper to exit");
+ // abandoning zk thread
+ zkServerThread = null;
+ }
+ }
+ }
+
+ /**
+ * Stop the server if running and invoke the callback when complete.
+ */
+ @Override
+ public void stop(Runnable callback) {
+ stop();
+ callback.run();
+ }
+
+ /**
+ * Provide an {@link ErrorHandler} to be invoked if an Exception is thrown from the ZooKeeper server thread. If none
+ * is provided, only error-level logging will occur.
+ *
+ * @param errorHandler the {@link ErrorHandler} to be invoked
+ */
+ public void setErrorHandler(ErrorHandler errorHandler) {
+ this.errorHandler = errorHandler;
+ }
+
+ /**
+ * Runnable implementation that starts the ZooKeeper server.
+ */
+ private class ServerRunnable implements Runnable {
+
+ @Override
+ public void run() {
+ try {
+ Properties properties = new Properties();
+ File file = new File(System.getProperty("java.io.tmpdir")
+ + File.separator + UUID.randomUUID());
+ file.deleteOnExit();
+ properties.setProperty("dataDir", file.getAbsolutePath());
+ properties.setProperty("clientPort", String.valueOf(clientPort));
+
+ QuorumPeerConfig quorumPeerConfig = new QuorumPeerConfig();
+ quorumPeerConfig.parseProperties(properties);
+
+ zkServer = new ZooKeeperServerMain();
+ ServerConfig configuration = new ServerConfig();
+ configuration.readFrom(quorumPeerConfig);
+
+ zkServer.runFromConfig(configuration);
+ }
+ catch (Exception e) {
+ if (errorHandler != null) {
+ errorHandler.handleError(e);
+ }
+ else {
+ logger.error("Exception running embedded ZooKeeper", e);
+ }
+ }
+ }
+ }
+
+}
diff --git a/dubbo-samples-generic-call/src/main/java/org/apache/dubbo/samples/generic/call/GenericCallConsumer.java b/dubbo-samples-generic-call/src/main/java/org/apache/dubbo/samples/generic/call/GenericCallConsumer.java
new file mode 100644
index 0000000..169c7a4
--- /dev/null
+++ b/dubbo-samples-generic-call/src/main/java/org/apache/dubbo/samples/generic/call/GenericCallConsumer.java
@@ -0,0 +1,44 @@
+/*
+ *
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements. See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to You 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.apache.dubbo.samples.generic.call;
+
+import org.apache.dubbo.config.ApplicationConfig;
+import org.apache.dubbo.config.ReferenceConfig;
+import org.apache.dubbo.config.RegistryConfig;
+import org.apache.dubbo.rpc.service.GenericService;
+
+public class GenericCallConsumer {
+
+ public static void main(String[] args) {
+ ApplicationConfig applicationConfig = new ApplicationConfig();
+ applicationConfig.setName("generic-call-consumer");
+ RegistryConfig registryConfig = new RegistryConfig();
+ registryConfig.setAddress("zookeeper://127.0.0.1:2181");
+ ReferenceConfig<GenericService> referenceConfig = new ReferenceConfig<>();
+ referenceConfig.setInterface("org.apache.dubbo.samples.generic.call.api.HelloService");
+ applicationConfig.setRegistry(registryConfig);
+ referenceConfig.setApplication(applicationConfig);
+ referenceConfig.setGeneric(true);
+ GenericService genericService = referenceConfig.get();
+ Object result = genericService.$invoke("sayHello", new String[]{"java.lang.String"}, new Object[]{"world"});
+ System.out.println(result);
+ }
+
+}
diff --git a/dubbo-samples-generic-call/src/main/java/org/apache/dubbo/samples/generic/call/GenericCallProvider.java b/dubbo-samples-generic-call/src/main/java/org/apache/dubbo/samples/generic/call/GenericCallProvider.java
new file mode 100644
index 0000000..8970f5d
--- /dev/null
+++ b/dubbo-samples-generic-call/src/main/java/org/apache/dubbo/samples/generic/call/GenericCallProvider.java
@@ -0,0 +1,36 @@
+/*
+ *
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements. See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to You 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.apache.dubbo.samples.generic.call;
+
+import org.springframework.context.support.ClassPathXmlApplicationContext;
+
+/**
+ * GenericCallProvider
+ */
+public class GenericCallProvider {
+
+ public static void main(String[] args) throws Exception {
+ new EmbeddedZooKeeper(2181, false).start();
+ ClassPathXmlApplicationContext context = new ClassPathXmlApplicationContext(new String[]{"spring/generic-provider.xml"});
+ context.start();
+ System.in.read();
+ }
+
+}
diff --git a/dubbo-samples-generic-call/src/main/java/org/apache/dubbo/samples/generic/call/api/HelloService.java b/dubbo-samples-generic-call/src/main/java/org/apache/dubbo/samples/generic/call/api/HelloService.java
new file mode 100644
index 0000000..0718a35
--- /dev/null
+++ b/dubbo-samples-generic-call/src/main/java/org/apache/dubbo/samples/generic/call/api/HelloService.java
@@ -0,0 +1,24 @@
+/*
+ *
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements. See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to You 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.apache.dubbo.samples.generic.call.api;
+
+public interface HelloService {
+ String sayHello(String name);
+}
diff --git a/dubbo-samples-generic-call/src/main/java/org/apache/dubbo/samples/generic/call/impl/HelloServiceImpl.java b/dubbo-samples-generic-call/src/main/java/org/apache/dubbo/samples/generic/call/impl/HelloServiceImpl.java
new file mode 100644
index 0000000..b2d88f1
--- /dev/null
+++ b/dubbo-samples-generic-call/src/main/java/org/apache/dubbo/samples/generic/call/impl/HelloServiceImpl.java
@@ -0,0 +1,30 @@
+/*
+ *
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements. See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to You 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.apache.dubbo.samples.generic.call.impl;
+
+import org.apache.dubbo.samples.generic.call.api.HelloService;
+
+public class HelloServiceImpl implements HelloService {
+
+ @Override
+ public String sayHello(String name) {
+ return "=======" + "Hello " + name + "========";
+ }
+}
diff --git a/dubbo-samples-generic-call/src/main/resources/log4j.properties b/dubbo-samples-generic-call/src/main/resources/log4j.properties
new file mode 100644
index 0000000..7232873
--- /dev/null
+++ b/dubbo-samples-generic-call/src/main/resources/log4j.properties
@@ -0,0 +1,26 @@
+#
+#
+# Licensed to the Apache Software Foundation (ASF) under one or more
+# contributor license agreements. See the NOTICE file distributed with
+# this work for additional information regarding copyright ownership.
+# The ASF licenses this file to You 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.
+#
+#
+
+###set log levels###
+log4j.rootLogger=info, stdout
+###output to the console###
+log4j.appender.stdout=org.apache.log4j.ConsoleAppender
+log4j.appender.stdout.Target=System.out
+log4j.appender.stdout.layout=org.apache.log4j.PatternLayout
+log4j.appender.stdout.layout.ConversionPattern=[%d{dd/MM/yy hh:mm:ss:sss z}] %t %5p %c{2}: %m%n
\ No newline at end of file
diff --git a/dubbo-samples-generic-call/src/main/resources/spring/generic-provider.xml b/dubbo-samples-generic-call/src/main/resources/spring/generic-provider.xml
new file mode 100644
index 0000000..4c5d7c6
--- /dev/null
+++ b/dubbo-samples-generic-call/src/main/resources/spring/generic-provider.xml
@@ -0,0 +1,37 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<!--
+ ~
+ ~ Licensed to the Apache Software Foundation (ASF) under one or more
+ ~ contributor license agreements. See the NOTICE file distributed with
+ ~ this work for additional information regarding copyright ownership.
+ ~ The ASF licenses this file to You 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.
+ ~
+ -->
+
+<beans xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+ xmlns:dubbo="http://dubbo.apache.org/schema/dubbo"
+ xmlns="http://www.springframework.org/schema/beans"
+ xsi:schemaLocation="http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans.xsd
+ http://dubbo.apache.org/schema/dubbo http://dubbo.apache.org/schema/dubbo/dubbo.xsd">
+
+ <dubbo:application name="generic-call"/>
+
+ <dubbo:registry address="zookeeper://127.0.0.1:2181"/>
+
+ <dubbo:protocol name="dubbo" port="20880"/>
+
+ <bean id="helloserviceimpl" class="org.apache.dubbo.samples.generic.call.impl.HelloServiceImpl"/>
+
+ <dubbo:service interface="org.apache.dubbo.samples.generic.call.api.HelloService" ref="helloserviceimpl"/>
+
+</beans>
diff --git a/pom.xml b/pom.xml
index 4df253e..7f5c36c 100644
--- a/pom.xml
+++ b/pom.xml
@@ -57,6 +57,7 @@
<module>dubbo-samples-metadata-report</module>
<module>dubbo-samples-simplified-registry</module>
<module>dubbo-samples-chain</module>
+ <module>dubbo-samples-generic-call</module>
</modules>
<properties>