/*
* RHQ Management Platform
* Copyright (C) 2005-2008 Red Hat, Inc.
* All rights reserved.
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation version 2 of the License.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*/
package org.rhq.enterprise.gui.inventory.group;
import javax.faces.model.DataModel;
import javax.faces.model.SelectItem;
import org.rhq.core.domain.auth.Subject;
import org.rhq.core.domain.resource.composite.ResourceWithAvailability;
import org.rhq.core.domain.resource.group.ResourceGroup;
import org.rhq.core.domain.util.PageControl;
import org.rhq.core.domain.util.PageList;
import org.rhq.core.util.IntExtractor;
import org.rhq.enterprise.gui.common.framework.PagedDataTableUIBean;
import org.rhq.enterprise.gui.common.paging.PageControlView;
import org.rhq.enterprise.gui.common.paging.PagedListDataModel;
import org.rhq.enterprise.gui.common.paging.ResourceNameDisambiguatingPagedListDataModel;
import org.rhq.enterprise.gui.util.EnterpriseFacesContextUtility;
import org.rhq.enterprise.server.resource.ResourceManagerLocal;
import org.rhq.enterprise.server.util.LookupUtil;
public class ResourceGroupSummaryUIBean extends PagedDataTableUIBean {
public static final String MANAGED_BEAN_NAME = "ResourceGroupSummaryUIBean";
private static final IntExtractor<ResourceWithAvailability> RESOURCE_ID_EXTRACTOR = new IntExtractor<ResourceWithAvailability>() {
public int extract(ResourceWithAvailability object) {
return object.getResource().getId();
}
};
@Override
public DataModel getDataModel() {
if (dataModel == null) {
dataModel = new ListResourceGroupMembersDataModel(PageControlView.MiniResourceGroupMemberList,
MANAGED_BEAN_NAME);
}
return dataModel;
}
protected class ListResourceGroupMembersDataModel extends ResourceNameDisambiguatingPagedListDataModel<ResourceWithAvailability> {
private ResourceManagerLocal resourceManager = LookupUtil.getResourceManager();
public ListResourceGroupMembersDataModel(PageControlView view, String beanName) {
super(view, beanName, true);
}
@Override
public PageList<ResourceWithAvailability> fetchDataForPage(PageControl pageControl) {
Subject subject = EnterpriseFacesContextUtility.getSubject();
ResourceGroup resourceGroup = EnterpriseFacesContextUtility.getResourceGroup();
PageList<ResourceWithAvailability> results = resourceManager
.findExplicitResourceWithAvailabilityByResourceGroup(LookupUtil.getSubjectManager().getOverlord(),
resourceGroup, pageControl);
return results;
}
protected IntExtractor<ResourceWithAvailability> getResourceIdExtractor() {
return RESOURCE_ID_EXTRACTOR;
}
}
@Override
public SelectItem[] getPageSizes() {
// pageSize will be stuck to 5 items
return new SelectItem[] { new SelectItem("5", "5") };
}
public int getMinimumPageSize() {
return 5;
}
}