hyracks/hyracks-control/hyracks-control-cc/src/main/java/org/apache/hyracks/control/cc/work/GetNodeDetailsJSONWork.java

/*
 * 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.hyracks.control.cc.work;

import org.json.JSONObject;

import org.apache.hyracks.control.cc.ClusterControllerService;
import org.apache.hyracks.control.cc.NodeControllerState;
import org.apache.hyracks.control.common.work.SynchronizableWork;

public class GetNodeDetailsJSONWork extends SynchronizableWork {
    private final ClusterControllerService ccs;
    private final String nodeId;
    private JSONObject detail;

    public GetNodeDetailsJSONWork(ClusterControllerService ccs, String nodeId) {
        this.ccs = ccs;
        this.nodeId = nodeId;
    }

    @Override
    protected void doRun() throws Exception {
        NodeControllerState ncs = ccs.getNodeMap().get(nodeId);
        if (ncs == null) {
            detail = new JSONObject();
            return;
        }
        detail = ncs.toDetailedJSON();
    }

    public JSONObject getDetail() {
        return detail;
    }
}