HostThread.java

package org.openstack.atlas.usagerefactor;

import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
import org.openstack.atlas.service.domain.entities.Host;
import org.openstack.atlas.usagerefactor.helpers.HostIdUsageMap;
import org.openstack.atlas.usagerefactor.snmp.StingrayUsageClient;
import org.openstack.atlas.usagerefactor.snmp.StingrayUsageClientImpl;

import java.util.HashMap;
import java.util.concurrent.Callable;

public class HostThread implements Callable<HostIdUsageMap> {
    final Log LOG = LogFactory.getLog(HostThread.class);
    public final StingrayUsageClient stingrayUsageClient;
    public final Host host;

    public HostThread(Host host) {
        stingrayUsageClient = new StingrayUsageClientImpl();
        this.host = host;
    }

    @Override
    public HostIdUsageMap call() throws Exception {
        try {
            return new HostIdUsageMap(host.getId(), stingrayUsageClient.getHostUsage(host));
        } catch (Exception e) {
            String retString = String.format("Warning! Request for host %s usage from SNMP server failed.", host.getName());
            LOG.warn(retString, e);
        }

        return new HostIdUsageMap(host.getId(), new HashMap<Integer, SnmpUsage>());
    }

}