/*
* 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.definition.group;
import javax.faces.application.FacesMessage;
import javax.faces.model.DataModel;
import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
import org.jetbrains.annotations.NotNull;
import org.rhq.core.domain.criteria.ResourceGroupCriteria;
import org.rhq.core.domain.resource.group.GroupDefinition;
import org.rhq.core.domain.resource.group.composite.ResourceGroupComposite;
import org.rhq.core.domain.util.PageControl;
import org.rhq.core.domain.util.PageList;
import org.rhq.core.gui.util.FacesContextUtility;
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.legacy.ParamConstants;
import org.rhq.enterprise.server.resource.group.ResourceGroupManagerLocal;
import org.rhq.enterprise.server.resource.group.definition.exception.GroupDefinitionException;
import org.rhq.enterprise.server.util.LookupUtil;
public class GroupDefinitionUIBean extends PagedDataTableUIBean {
public static final String MANAGED_BEAN_NAME = "GroupDefinitionUIBean";
private static final Log log = LogFactory.getLog(GroupDefinitionUIBean.class);
private GroupDefinition groupDefinition;
public GroupDefinitionUIBean() throws GroupDefinitionException {
this.groupDefinition = lookupGroupDefinition();
}
public int getGroupDefinitionId() {
return this.groupDefinition.getId();
}
@NotNull
public String getName() {
return this.groupDefinition.getName();
}
public String getDescription() {
return this.groupDefinition.getDescription();
}
public long getCreatedTime() {
return this.groupDefinition.getCreatedTime();
}
public long getModifiedTime() {
return this.groupDefinition.getModifiedTime();
}
public Long getLastCalculationTime() {
return this.groupDefinition.getLastCalculationTime();
}
public Long getRecalculationInterval() {
return this.groupDefinition.getRecalculationInterval();
}
public Long getNextCalculationTime() {
return this.groupDefinition.getNextCalculationTime();
}
public Boolean getRecursive() {
return this.groupDefinition.isRecursive();
}
public String getExpression() {
String expression = this.groupDefinition.getExpression();
return ((expression == null) ? "" : expression);
}
public static GroupDefinition lookupGroupDefinition() throws GroupDefinitionException {
int groupDefinitionId = FacesContextUtility.getRequiredRequestParameter(
ParamConstants.GROUP_DEFINITION_ID_PARAM, Integer.class);
return LookupUtil.getGroupDefinitionManager().getById(groupDefinitionId);
}
@Override
public DataModel getDataModel() {
if (dataModel == null) {
dataModel = new ListGroupDefinitionMembersDataModel(PageControlView.GroupDefinitionMembers,
MANAGED_BEAN_NAME);
}
return dataModel;
}
private ResourceGroupManagerLocal resourceGroupManager = LookupUtil.getResourceGroupManager();
private class ListGroupDefinitionMembersDataModel extends PagedListDataModel<ResourceGroupComposite> {
public ListGroupDefinitionMembersDataModel(PageControlView view, String beanName) {
super(view, beanName);
}
@Override
public PageList<ResourceGroupComposite> fetchPage(PageControl pc) {
ResourceGroupCriteria criteria = new ResourceGroupCriteria();
criteria.addFilterGroupDefinitionId(groupDefinition.getId());
criteria.setPageControl(pc);
try {
return resourceGroupManager.findResourceGroupCompositesByCriteria(getSubject(), criteria);
} catch (Throwable t) {
FacesContextUtility.addMessage(FacesMessage.SEVERITY_ERROR, "Failed to retrieve managed groups: "
+ t.getMessage());
log.error("Failed to retrieve managed groups", t);
return new PageList<ResourceGroupComposite>();
}
}
}
}