com.day.crx.sling.server.jmx.ClusterNodeInfoTabular Maven / Gradle / Ivy

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package com.day.crx.sling.server.jmx;

import java.util.ArrayList;
import java.util.List;

import javax.management.openmbean.CompositeDataSupport;
import javax.management.openmbean.CompositeType;
import javax.management.openmbean.OpenDataException;
import javax.management.openmbean.TabularData;
import javax.management.openmbean.TabularDataSupport;
import javax.management.openmbean.TabularType;

import com.adobe.granite.jmx.annotation.OpenTypeUtils;
import com.adobe.granite.jmx.annotation.TabularTypeInfo;
import com.day.crx.core.cluster.ClusterNodeInfo;

/**
 * A convenient adapter to generate JMX {@link TabularData} where it's row type
 * is {@link ClusterNodeInfo}.
 */
@TabularTypeInfo(rowType = ClusterNodeInfo.class, indexNames = "id")
public class ClusterNodeInfoTabular {

    private List nodes = new ArrayList();

    public void add(ClusterNodeInfo node) {
        nodes.add(node);
    }

    public TabularData toTabularData() {
        try {
            TabularType type = OpenTypeUtils.createTabularType(this.getClass());
            TabularDataSupport tabular = new TabularDataSupport(type);

            CompositeType itemType = OpenTypeUtils.createCompositeType(ClusterNodeInfo.class);
            String[] itemNames = new String[] { "id", "OS", "hostname",
                "repositoryHome" };

            for (ClusterNodeInfo node : nodes) {
                Object[] itemValues = new Object[] { node.getId(),
                    node.getOS(), node.getHostname(), node.getRepositoryHome() };

                tabular.put(new CompositeDataSupport(itemType, itemNames,
                    itemValues));
            }

            return tabular;
        } catch (OpenDataException e) {
            throw new RuntimeException(e.getMessage(), e);
        }
    }
}