CacheClientMain.java

/**
 * Copyright 2016 Hortonworks.
 *
 * 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 com.hortonworks.registries.cache.view.test;

import com.hortonworks.registries.cache.Cache;
import com.hortonworks.registries.cache.view.DataStoreBackedCache;
import com.hortonworks.registries.cache.view.service.CacheService;
import com.hortonworks.registries.cache.view.service.CacheServiceId;
import com.hortonworks.registries.cache.view.service.RedisCacheService;
import com.hortonworks.registries.cache.view.service.registry.CacheServiceLocalRegistry;
import com.hortonworks.registries.cache.view.service.registry.CacheServiceRegistry;

import java.util.HashMap;

public class CacheClientMain {
    private static final CacheServiceRegistry cacheRegistry = CacheServiceLocalRegistry.INSTANCE;

    public static void main(String[] args) {
        CacheClientMain instance = new CacheClientMain();
        instance.<String, String>registerCache(new CacheServiceId("id1"));
        instance.<Integer, Integer>registerCache(new CacheServiceId("id2"));
        CacheService<String, String> id1 = cacheRegistry.getCacheService(new CacheServiceId("id1"));
    }

    public void method() {
        CacheService<String, String> cacheService = cacheRegistry.getCacheService(getDefaultRedisId());
        Cache<String, String> cache = cacheService.getCache("namespace");
        String val = cache.get("key");
        cache.put("key", "val");
        cache.putAll(new HashMap<String, String>(){{put("key", "val"); put("key1", "val1");}});
    }

    public void method1() {
        RedisCacheService cacheService = (RedisCacheService) cacheRegistry.<String, String>getCacheService(getDefaultRedisId());
        DataStoreBackedCache<String, String> cache = (DataStoreBackedCache<String, String>) cacheService.getCache("");
        String val = cache.get("key");
        cache.put("key", "val");
        cache.putAll(new HashMap<String, String>(){{put("key", "val"); put("key1", "val1");}});
    }

    private CacheServiceId getDefaultRedisId() {
        return getRedisId("localhost", 6379);
    }

    private CacheServiceId getRedisId(String host, int port) {
        return CacheServiceId.redis(host, port);
    }

    public <K, V> void registerCache(CacheServiceId id) {
        cacheRegistry.register(id, new RedisCacheService.Builder<>(null, null, null).build());  // TODO
    }
}