| /* |
| * 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.geode_examples.eviction; |
| |
| import org.apache.geode.cache.Region; |
| import org.apache.geode.cache.client.ClientCache; |
| import org.apache.geode.cache.client.ClientCacheFactory; |
| import org.apache.geode.cache.client.ClientRegionFactory; |
| import org.apache.geode.cache.client.ClientRegionShortcut; |
| |
| import java.util.Collection; |
| import java.util.Iterator; |
| import java.util.LinkedHashSet; |
| import java.util.Random; |
| import java.util.Set; |
| import java.util.stream.IntStream; |
| |
| public class Example { |
| public static final int ITERATIONS = 20; |
| |
| public static void main(String[] args) { |
| // connect to the locator using default port 10334 |
| ClientCache cache = new ClientCacheFactory().addPoolLocator("127.0.0.1", 10334) |
| .set("log-level", "WARN").create(); |
| |
| Example example = new Example(); |
| |
| // create a local region that matches the server region |
| ClientRegionFactory<Integer, String> clientRegionFactory = |
| cache.createClientRegionFactory(ClientRegionShortcut.PROXY); |
| Region<Integer, String> region = clientRegionFactory.create("example-region"); |
| |
| example.putEntries(region); |
| cache.close(); |
| } |
| |
| private Collection<Integer> generateIntegers() { |
| IntStream stream = new Random().ints(0, ITERATIONS); |
| Iterator<Integer> iterator = stream.iterator(); |
| Set<Integer> integers = new LinkedHashSet<>(); |
| while (iterator.hasNext() && integers.size() < ITERATIONS) { |
| integers.add(iterator.next()); |
| } |
| return integers; |
| } |
| |
| public void putEntries(Region<Integer, String> region) { |
| Collection<Integer> integers = generateIntegers(); |
| Iterator<Integer> iterator = integers.iterator(); |
| |
| int created = 0; |
| while (iterator.hasNext()) { |
| Integer integer = iterator.next(); |
| region.put(integer, integer.toString()); |
| System.out.println("Added value for " + integer + "; the region now has " |
| + region.sizeOnServer() + " entries."); |
| ++created; |
| } |
| } |
| } |