/*
* Copyright 2012 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.data.gemfire.fork;
import java.io.BufferedReader;
import java.io.InputStreamReader;
import java.util.Properties;
import org.springframework.data.gemfire.ForkUtil;
import com.gemstone.gemfire.cache.Cache;
import com.gemstone.gemfire.cache.CacheFactory;
import com.gemstone.gemfire.cache.DataPolicy;
import com.gemstone.gemfire.cache.Region;
import com.gemstone.gemfire.cache.RegionFactory;
import com.gemstone.gemfire.cache.Scope;
import com.gemstone.gemfire.cache.execute.FunctionAdapter;
import com.gemstone.gemfire.cache.execute.FunctionContext;
import com.gemstone.gemfire.cache.execute.FunctionService;
import com.gemstone.gemfire.cache.server.CacheServer;
/**
* @author Costin Leau
* @author David Turanski
*/
public class FunctionCacheServerProcess {
static Region<Object,Object> testRegion;
public static void main(String[] args) throws Exception {
Properties props = new Properties();
props.setProperty("name", "FunctionServer");
props.setProperty("log-level", "config");
props.setProperty("groups","g1,g2,g3");
Cache cache = new CacheFactory(props).create();
// Create region.
RegionFactory<Object,Object> factory = cache.createRegionFactory();
factory.setDataPolicy(DataPolicy.REPLICATE);
factory.setScope(Scope.DISTRIBUTED_ACK);
testRegion = factory.create("test-function");
System.out.println("Test region, " + testRegion.getFullPath() + ", created in cache.");
// Start Cache Server.
CacheServer server = cache.addCacheServer();
server.setPort(40404);
server.start();
System.out.println("Server started");
testRegion.put("one", 1);
testRegion.put("two", 2);
testRegion.put("three", 3);
System.out.println("Registering ServerFunction");
FunctionService.registerFunction(new ServerFunction());
System.out.println("Registered ServerFunction");
System.out.println("Registering EchoFunction");
FunctionService.registerFunction(new EchoFunction());
System.out.println("Registered EchoFunction");
ForkUtil.createControlFile(FunctionCacheServerProcess.class.getName());
System.out.println("Waiting for shutdown");
BufferedReader bufferedReader = new BufferedReader(new InputStreamReader(System.in));
bufferedReader.readLine();
}
@SuppressWarnings("serial")
static class ServerFunction extends FunctionAdapter {
/* (non-Javadoc)
* @see com.gemstone.gemfire.cache.execute.FunctionAdapter#execute(com.gemstone.gemfire.cache.execute.FunctionContext)
*/
@Override
public void execute(FunctionContext functionContext) {
Object[] args = (Object[])functionContext.getArguments();
testRegion.put(args[0], args[1]);
functionContext.getResultSender().lastResult(null);
}
/* (non-Javadoc)
* @see com.gemstone.gemfire.cache.execute.FunctionAdapter#getId()
*/
@Override
public String getId() {
return "serverFunction";
}
}
@SuppressWarnings("serial")
static class EchoFunction extends FunctionAdapter {
/* (non-Javadoc)
* @see com.gemstone.gemfire.cache.execute.FunctionAdapter#execute(com.gemstone.gemfire.cache.execute.FunctionContext)
*/
@Override
public void execute(FunctionContext functionContext) {
Object[] args = (Object[])functionContext.getArguments();
for (int i=0; i< args.length; i++){
if (i == args.length-1){
functionContext.getResultSender().lastResult(args[i]);
} else {
functionContext.getResultSender().sendResult(args[i]);
}
}
}
@Override
public String getId() {
return "echoFunction";
}
}
}