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Entity implementation classes, events, and other core elements

There is a newer version: 0.7.0-M1

package brooklyn.management.internal;

import java.util.Collection;
import java.util.Collections;
import java.util.Map;

import brooklyn.location.Location;
import brooklyn.location.LocationSpec;
import brooklyn.management.LocationManager;
import brooklyn.management.ManagementContext;

public class NonDeploymentLocationManager implements LocationManager {

    private final ManagementContext initialManagementContext;
    
    public NonDeploymentLocationManager(ManagementContext initialManagementContext) {
        this.initialManagementContext = initialManagementContext;
    }
    
    @Override
    public  T createLocation(LocationSpec spec) {
        if (isInitialManagementContextReal()) {
            return initialManagementContext.getLocationManager().createLocation(spec);
        } else {
            throw new IllegalStateException("Non-deployment context "+this+" is not valid for this operation: cannot create "+spec);
        }
    }

    @Override
    public  T createLocation(Map config, Class type) {
        if (isInitialManagementContextReal()) {
            return initialManagementContext.getLocationManager().createLocation(config, type);
        } else {
            throw new IllegalStateException("Non-deployment context "+this+" is not valid for this operation: cannot create "+type);
        }
    }
    
    @Override
    public Collection getLocations() {
        if (isInitialManagementContextReal()) {
            return initialManagementContext.getLocationManager().getLocations();
        } else {
            return Collections.emptyList();
        }
    }

    @Override
    public Location getLocation(String id) {
        if (isInitialManagementContextReal()) {
            return initialManagementContext.getLocationManager().getLocation(id);
        } else {
            return null;
        }
    }

    @Override
    public boolean isManaged(Location loc) {
        return false;
    }

    @Override
    public Location manage(Location loc) {
        if (isInitialManagementContextReal()) {
            return initialManagementContext.getLocationManager().manage(loc);
        } else {
            throw new IllegalStateException("Non-deployment context "+this+" is not valid for this operation: cannot manage "+loc);
        }
    }

    @Override
    public void unmanage(Location loc) {
        if (isInitialManagementContextReal()) {
            initialManagementContext.getLocationManager().unmanage(loc);
        } else {
            throw new IllegalStateException("Non-deployment context "+this+" is not valid for this operation: cannot unmanage "+loc);
        }
    }
    
    private boolean isInitialManagementContextReal() {
        return (initialManagementContext != null && !(initialManagementContext instanceof NonDeploymentManagementContext));
    }
}