com.alibaba.otter.manager.web.home.module.screen.api.NodeOp.java Source code

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Here is the source code for com.alibaba.otter.manager.web.home.module.screen.api.NodeOp.java

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/*
 * Copyright (C) 2010-2101 Alibaba Group Holding Limited.
 *
 * 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.alibaba.otter.manager.web.home.module.screen.api;

import java.util.List;

import javax.annotation.Resource;

import org.apache.commons.lang.BooleanUtils;
import org.apache.commons.lang.StringUtils;

import com.alibaba.citrus.turbine.dataresolver.Param;
import com.alibaba.otter.manager.biz.config.channel.ChannelService;
import com.alibaba.otter.manager.biz.remote.NodeRemoteService;
import com.alibaba.otter.shared.arbitrate.ArbitrateManageService;
import com.alibaba.otter.shared.common.model.config.channel.Channel;
import com.alibaba.otter.shared.common.model.config.channel.ChannelStatus;

public class NodeOp extends AbstractJsonScreen<String> {

    private final static String ONLINE = "online";

    private final static String OFFLINE = "offline";

    private final static String THREAD = "thread";
    private final static String PROFILE = "profile";

    @Resource(name = "channelService")
    private ChannelService channelService;

    @Resource(name = "arbitrateManageService")
    private ArbitrateManageService arbitrateManageService;

    @Resource(name = "nodeRemoteService")
    private NodeRemoteService nodeRemoteService;

    public void execute(@Param("nid") Long nid, @Param("command") String command, @Param("value") String value) {
        try {
            if (StringUtils.equalsIgnoreCase(command, OFFLINE)) {
                List<Channel> channels = channelService.listByNodeId(nid, ChannelStatus.START);
                for (Channel channel : channels) {// ??channel
                    boolean result = arbitrateManageService.channelEvent().restart(channel.getId());
                    if (result) {
                        channelService.notifyChannel(channel.getId());// ??
                    }
                }
            } else if (StringUtils.equalsIgnoreCase(command, ONLINE)) {
                // doNothing?
            } else if (StringUtils.endsWithIgnoreCase(command, THREAD)) {
                nodeRemoteService.setThreadPoolSize(nid, Integer.valueOf(value));
            } else if (StringUtils.endsWithIgnoreCase(command, PROFILE)) {
                nodeRemoteService.setProfile(nid, BooleanUtils.toBoolean(value));
            } else {
                returnError("please add specfy the 'command' param.");
                return;
            }

            returnSuccess();
        } catch (Exception e) {
            String errorMsg = String.format("error happens while [%s] with node id [%d]", command, nid);
            log.error(errorMsg, e);
            returnError(errorMsg);
        }
    }
}