PoolSpaceVisitor.java

package org.dcache.services.info.stateInfo;

import org.slf4j.Logger;
import org.slf4j.LoggerFactory;

import java.util.HashMap;
import java.util.Map;

import org.dcache.services.info.base.StateExhibitor;

/**
 * Scan through dCache state and build a map containing all pools and
 * their corresponding SpaceInfo information.
 *
 * @author Paul Millar <paul.millar@desy.de>
 */
public class PoolSpaceVisitor extends AbstractPoolSpaceVisitor
{
    private static final Logger LOGGER = LoggerFactory.getLogger(PoolSpaceVisitor.class);

    /**
     * Obtain a Map between pools and their space information for current dCache state.
     * @return
     */
    public static Map <String,SpaceInfo> getDetails(StateExhibitor exhibitor)
    {
        LOGGER.trace("Gathering current status");
        PoolSpaceVisitor visitor = new PoolSpaceVisitor();
        exhibitor.visitState(visitor);
        return visitor._poolgroups;
    }

    private final Map <String,SpaceInfo> _poolgroups = new HashMap<>();

    @Override
    protected void newPool(String poolName, SpaceInfo space)
    {
        _poolgroups.put(poolName, space);
    }
}