/* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.activiti.explorer.ui.management.deployment;
import java.util.ArrayList;
import java.util.List;
import org.activiti.engine.ProcessEngines;
import org.activiti.engine.RepositoryService;
import org.activiti.engine.repository.Deployment;
import org.activiti.explorer.ExplorerApp;
import org.activiti.explorer.Messages;
import org.activiti.explorer.data.AbstractLazyLoadingQuery;
import com.vaadin.data.Item;
import com.vaadin.data.util.ObjectProperty;
import com.vaadin.data.util.PropertysetItem;
/**
* @author Joram Barrez
*/
public class DeploymentListQuery extends AbstractLazyLoadingQuery {
protected RepositoryService repositoryService;
protected DeploymentFilter deploymentFilter;
public DeploymentListQuery(DeploymentFilter deploymentFilter) {
this.repositoryService = ProcessEngines.getDefaultProcessEngine().getRepositoryService();
this.deploymentFilter = deploymentFilter;
}
public int size() {
return (int) deploymentFilter.getCountQuery(repositoryService).count();
}
public List<Item> loadItems(int start, int count) {
List<Deployment> deployments = deploymentFilter.getQuery(repositoryService).listPage(start, count);
List<Item> items = new ArrayList<Item>();
for (Deployment deployment : deployments) {
items.add(deploymentFilter.createItem(deployment));
}
return items;
}
public Item loadSingleResult(String id) {
Deployment deployment = repositoryService.createDeploymentQuery().deploymentId(id).singleResult();
if(deployment != null) {
return deploymentFilter.createItem(deployment);
}
return null;
}
public void setSorting(Object[] propertyIds, boolean[] ascending) {
throw new UnsupportedOperationException();
}
public static class DeploymentListitem extends PropertysetItem implements Comparable<DeploymentListitem> {
private static final long serialVersionUID = 1L;
public DeploymentListitem(Deployment deployment) {
addItemProperty("id", new ObjectProperty<String>(deployment.getId(), String.class));
if(deployment.getName() != null) {
addItemProperty("name", new ObjectProperty<String>(deployment.getName(), String.class));
} else {
addItemProperty("name", new ObjectProperty<String>(ExplorerApp.get().getI18nManager().getMessage(Messages.DEPLOYMENT_NO_NAME), String.class));
}
}
public int compareTo(DeploymentListitem other) {
// Deployments are ordered first on name, then on id
String name = (String) getItemProperty("name").getValue();
String otherName = (String) other.getItemProperty("name").getValue();
int comparison = name.compareTo(otherName);
if (comparison != 0) {
return comparison;
} else {
String id = (String) getItemProperty("id").getValue();
String otherId = (String) other.getItemProperty("id").getValue();
return id.compareTo(otherId);
}
}
}
}