com.glaf.core.resource.ResourceFactory.java Source code

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Here is the source code for com.glaf.core.resource.ResourceFactory.java

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/*
 * 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 com.glaf.core.resource;

import java.util.List;
import java.util.concurrent.Callable;
import java.util.concurrent.ExecutorService;
import java.util.concurrent.Executors;
import java.util.concurrent.Future;

import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;

import com.glaf.core.config.*;

/**
 * ?? ?????
 */
public class ResourceFactory {
    protected static final Log logger = LogFactory.getLog(ResourceFactory.class);

    protected static Configuration conf = BaseConfiguration.create();

    protected static final ResourceChannel channel = ResourceChannel.getInstance();

    protected static final String DISTRIBUTED_ENABLED = "distributed.resource.enabled";

    protected static List<String> regions = new java.util.concurrent.CopyOnWriteArrayList<String>();

    protected static ExecutorService pool = Executors.newFixedThreadPool(50);

    public static void clear(String region) {
        if (conf.getBoolean(DISTRIBUTED_ENABLED, false)) {
            String regionName = Environment.getCurrentSystemName() + "_res_" + region;
            if (SystemProperties.getDeploymentSystemName() != null) {
                regionName = SystemProperties.getDeploymentSystemName() + "_" + Environment.getCurrentSystemName()
                        + "_res_" + region;
            }
            try {
                channel.clear(regionName);
                logger.debug("###################################");
                logger.debug(regionName + " clear.");
                logger.debug("###################################");
            } catch (Exception ex) {
                ex.printStackTrace();
                logger.error(ex);
            }
        }
    }

    public static void clearAll() {
        if (regions != null && !regions.isEmpty()) {
            for (String region : regions) {
                try {
                    String regionName = Environment.getCurrentSystemName() + "_res_" + region;
                    if (SystemProperties.getDeploymentSystemName() != null) {
                        regionName = SystemProperties.getDeploymentSystemName() + "_"
                                + Environment.getCurrentSystemName() + "_res_" + region;
                    }
                    channel.clear(regionName);
                    logger.debug("###################################");
                    logger.debug(regionName + " clear.");
                    logger.debug("###################################");
                } catch (Exception ex) {
                    ex.printStackTrace();
                    logger.error(ex);
                }
            }
        }
    }

    public static byte[] getData(final String region, final String key) {
        if (conf.getBoolean(DISTRIBUTED_ENABLED, false)) {
            String regionName = Environment.getCurrentSystemName() + "_res_" + region;
            String complexKey = Environment.getCurrentSystemName() + "_res_" + key;
            if (SystemProperties.getDeploymentSystemName() != null) {
                regionName = SystemProperties.getDeploymentSystemName() + "_" + Environment.getCurrentSystemName()
                        + "_res_" + region;
            }
            if (SystemProperties.getDeploymentSystemName() != null) {
                complexKey = SystemProperties.getDeploymentSystemName() + "_" + Environment.getCurrentSystemName()
                        + "_res_" + key;
            }
            final String regionName2 = regionName;
            final String complexKey2 = complexKey;

            boolean waitFor = true;
            Callable<byte[]> task = new Callable<byte[]>() {
                @Override
                public byte[] call() throws Exception {
                    return channel.getData(regionName2, complexKey2);
                }
            };
            try {
                Future<byte[]> result = pool.submit(task);
                long start = System.currentTimeMillis();
                // ?
                if (waitFor) {
                    while (true) {
                        if (System.currentTimeMillis() - start > 2000) {
                            break;
                        }
                        if (result.isDone()) {
                            return result.get();
                        }
                    }
                }
            } catch (Exception ex) {
                ex.printStackTrace();
                logger.error(ex);
            }
        }
        return null;
    }

    public static void put(final String region, final String key, final byte[] value) {
        if (!regions.contains(region)) {
            regions.add(region);
        }
        if (conf.getBoolean(DISTRIBUTED_ENABLED, false)) {
            String regionName = Environment.getCurrentSystemName() + "_res_" + region;
            String complexKey = Environment.getCurrentSystemName() + "_res_" + key;
            if (SystemProperties.getDeploymentSystemName() != null) {
                regionName = SystemProperties.getDeploymentSystemName() + "_" + Environment.getCurrentSystemName()
                        + "_res_" + region;
            }
            if (SystemProperties.getDeploymentSystemName() != null) {
                complexKey = SystemProperties.getDeploymentSystemName() + "_" + Environment.getCurrentSystemName()
                        + "_res_" + key;
            }
            try {
                channel.put(regionName, complexKey, value);
            } catch (Exception ex) {
                ex.printStackTrace();
                logger.error(ex);
            }
        }
    }

    public static void remove(String region, String key) {
        if (conf.getBoolean(DISTRIBUTED_ENABLED, false)) {
            String regionName = Environment.getCurrentSystemName() + "_res_" + region;
            String complexKey = Environment.getCurrentSystemName() + "_res_" + key;
            if (SystemProperties.getDeploymentSystemName() != null) {
                regionName = SystemProperties.getDeploymentSystemName() + "_" + Environment.getCurrentSystemName()
                        + "_res_" + region;
            }
            if (SystemProperties.getDeploymentSystemName() != null) {
                complexKey = SystemProperties.getDeploymentSystemName() + "_" + Environment.getCurrentSystemName()
                        + "_res_" + key;
            }
            try {
                channel.remove(regionName, complexKey);
            } catch (Exception ex) {
                ex.printStackTrace();
                logger.error(ex);
            }
        }
    }

    private ResourceFactory() {

    }

}