Add modules for Sentinel cluster flow control

Signed-off-by: Eric Zhao <sczyh16@gmail.com>

pom.xml

@@ -71,6 +71,7 @@
 
         <module>sentinel-demo</module>
         <module>sentinel-benchmark</module>
+        <module>sentinel-cluster</module>
     </modules>
 
     <dependencyManagement>
@@ -125,6 +126,11 @@
                 <artifactId>sentinel-transport-common</artifactId>
                 <version>${project.version}</version>
             </dependency>
+            <dependency>
+                <groupId>com.alibaba.csp</groupId>
+                <artifactId>sentinel-cluster-common-default</artifactId>
+                <version>${project.version}</version>
+            </dependency>
             <dependency>
                 <groupId>com.alibaba.csp</groupId>
                 <artifactId>sentinel-adapter</artifactId>

sentinel-cluster/pom.xml

@@ -0,0 +1,37 @@
+<?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>sentinel-parent</artifactId>
+        <groupId>com.alibaba.csp</groupId>
+        <version>1.4.0-SNAPSHOT</version>
+    </parent>
+    <modelVersion>4.0.0</modelVersion>
+    <packaging>pom</packaging>
+    <artifactId>sentinel-cluster</artifactId>
+    <description>The parent module of Sentinel cluster server</description>
+
+    <properties>
+        <java.source.version>1.7</java.source.version>
+        <java.target.version>1.7</java.target.version>
+
+        <netty.version>4.1.31.Final</netty.version>
+    </properties>
+
+    <modules>
+        <module>sentinel-cluster-client-default</module>
+        <module>sentinel-cluster-server-default</module>
+        <module>sentinel-cluster-common-default</module>
+    </modules>
+
+    <dependencyManagement>
+        <dependencies>
+            <dependency>
+                <groupId>io.netty</groupId>
+                <artifactId>netty-all</artifactId>
+                <version>${netty.version}</version>
+            </dependency>
+        </dependencies>
+    </dependencyManagement>
+</project>

sentinel-cluster/sentinel-cluster-client-default/pom.xml

@@ -0,0 +1,30 @@
+<?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>sentinel-cluster</artifactId>
+        <groupId>com.alibaba.csp</groupId>
+        <version>1.4.0-SNAPSHOT</version>
+    </parent>
+    <modelVersion>4.0.0</modelVersion>
+
+    <artifactId>sentinel-cluster-client-default</artifactId>
+    <packaging>jar</packaging>
+
+    <dependencies>
+        <dependency>
+            <groupId>com.alibaba.csp</groupId>
+            <artifactId>sentinel-core</artifactId>
+        </dependency>
+        <dependency>
+            <groupId>com.alibaba.csp</groupId>
+            <artifactId>sentinel-cluster-common-default</artifactId>
+        </dependency>
+
+        <dependency>
+            <groupId>io.netty</groupId>
+            <artifactId>netty-all</artifactId>
+        </dependency>
+    </dependencies>
+</project>

sentinel-cluster/sentinel-cluster-common-default/pom.xml

@@ -0,0 +1,19 @@
+<?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>sentinel-cluster</artifactId>
+        <groupId>com.alibaba.csp</groupId>
+        <version>1.4.0-SNAPSHOT</version>
+    </parent>
+    <modelVersion>4.0.0</modelVersion>
+
+    <artifactId>sentinel-cluster-common-default</artifactId>
+    <packaging>jar</packaging>
+
+    <dependencies>
+
+    </dependencies>
+
+</project>

sentinel-cluster/sentinel-cluster-server-default/pom.xml

@@ -0,0 +1,39 @@
+<?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>sentinel-cluster</artifactId>
+        <groupId>com.alibaba.csp</groupId>
+        <version>1.4.0-SNAPSHOT</version>
+    </parent>
+    <modelVersion>4.0.0</modelVersion>
+
+    <artifactId>sentinel-cluster-server-default</artifactId>
+    <packaging>jar</packaging>
+
+    <dependencies>
+        <dependency>
+            <groupId>com.alibaba.csp</groupId>
+            <artifactId>sentinel-core</artifactId>
+        </dependency>
+        <dependency>
+            <groupId>com.alibaba.csp</groupId>
+            <artifactId>sentinel-transport-common</artifactId>
+            <scope>provided</scope>
+        </dependency>
+        <dependency>
+            <groupId>com.alibaba.csp</groupId>
+            <artifactId>sentinel-cluster-common-default</artifactId>
+        </dependency>
+        <dependency>
+            <groupId>com.alibaba.csp</groupId>
+            <artifactId>sentinel-parameter-flow-control</artifactId>
+        </dependency>
+
+        <dependency>
+            <groupId>io.netty</groupId>
+            <artifactId>netty-all</artifactId>
+        </dependency>
+    </dependencies>
+</project>