JbpmTask.java

/**
 * 
 */
package net.conselldemallorca.helium.jbpm3.integracio;

import java.util.Date;
import java.util.HashSet;
import java.util.Iterator;
import java.util.Map;
import java.util.Set;

import org.jbpm.taskmgmt.def.Swimlane;
import org.jbpm.taskmgmt.exe.PooledActor;
import org.jbpm.taskmgmt.exe.TaskInstance;


/**
 * Una instància de tasca multiversió
 * 
 * @author Limit Tecnologies <limit@limit.es>
 */
public class JbpmTask {

	private static final String DESCRIPTION_FIELD_SEPARATOR = "@#@";

	private TaskInstance taskInstance;

	public JbpmTask(TaskInstance taskInstance) {
		this.taskInstance = taskInstance;
	}

	public TaskInstance getTask() {
		return taskInstance;
	}
	public void setTask(TaskInstance taskInstance) {
		this.taskInstance = taskInstance;
	}

	public String getId() {
		return new Long(taskInstance.getId()).toString();
	}

	public String getProcessInstanceId() {
		return new Long(taskInstance.getProcessInstance().getId()).toString();
	}

	public String getProcessDefinitionId() {
		return new Long(taskInstance.getProcessInstance().getProcessDefinition().getId()).toString();
	}

	public String getTaskName() {
		return taskInstance.getTask().getName();
	}
	public String getDescription() {
		if (taskInstance.getDescription() == null)
			return null;
		if (taskInstance.getDescription().contains(DESCRIPTION_FIELD_SEPARATOR)) {
			int index = taskInstance.getDescription().lastIndexOf(DESCRIPTION_FIELD_SEPARATOR);
			if (index + 1 < taskInstance.getDescription().length())
				return taskInstance.getDescription().substring(index + 1);
			else
				return "";
		} else {
			return taskInstance.getDescription();
		}
	}
	public String getAssignee() {
		return taskInstance.getActorId();
	}
	public Set<String> getPooledActors() {
		Set<String> resultat = new HashSet<String>();
		for (PooledActor pa: taskInstance.getPooledActors()) {
			resultat.add(pa.getActorId());
		}
		return resultat;
	}
	public Date getCreateTime() {
		return taskInstance.getCreate();
	}
	public Date getStartTime() {
		return taskInstance.getStart();
	}
	public Date getEndTime() {
		return taskInstance.getEnd();
	}
	public Date getDueDate() {
		return taskInstance.getDueDate();
	}
	public int getPriority() {
		return 3 - taskInstance.getPriority();
	}
	public boolean isOpen() {
		return taskInstance.isOpen();
	}
	public boolean isCompleted() {
		return taskInstance.getEnd() != null;
	}
	public boolean isSuspended() {
		return taskInstance.isSuspended();
	}
	public boolean isCancelled() {
		return taskInstance.isCancelled();
	}
	public String getPooledActorsExpression() {
		if (taskInstance.getTask() == null) {
			return null;
		}
		return taskInstance.getTask().getPooledActorsExpression();
	}
	
	public boolean isAgafada() {
		boolean resultado = false;
		try {
			if (getAssignee() != null) {
				// Tenía un grupo asignado
				boolean conGrupoAsignado = getPooledActorsExpression() != null && getPooledActorsExpression().length() > 0;
				// Se le reasignó posteriormente un grupo
				boolean conGrupoAnteriorAsignado = false;
				// Tenía un grupo asignado originalmente a la tarea
				boolean conGrupoOriginal = false;
				if (!conGrupoOriginal) {
					conGrupoAnteriorAsignado = getPooledActors() != null && !getPooledActors().isEmpty();
					if (!conGrupoAnteriorAsignado) {
						@SuppressWarnings("rawtypes")
						Iterator it = taskInstance.getTask().getTaskMgmtDefinition().getSwimlanes().entrySet().iterator();
						while (it.hasNext()) {
							@SuppressWarnings("unchecked")
							Map.Entry<String, Swimlane> e = (Map.Entry<String, Swimlane>)it.next();
							String pooledActorExpresion = taskInstance.getTask().getTaskMgmtDefinition().getSwimlane(e.getKey()).getPooledActorsExpression();
							if (pooledActorExpresion != null && pooledActorExpresion.length() > 0) {
								conGrupoOriginal = true;
								break;
							}
						}
					}
				}
				resultado = (conGrupoAsignado || conGrupoAnteriorAsignado || conGrupoOriginal);
			}
		} catch (Exception e) {}
		return resultado;
	}

	public void setCacheActiu() {
		setFieldFromDescription("cache", "true");
	}
	public void setCacheInactiu() {
		setFieldFromDescription("cache", "false");
	}
	public boolean isCacheActiu() {
		return "true".equalsIgnoreCase(getFieldFromDescription("cache"));
	}

	public String getDescriptionWithFields() {
		return taskInstance.getDescription();
	}
	public String getFieldFromDescription(String name) {
		String text = getDescriptionWithFields();
		if (text == null)
			return null;
		String fieldHeader = DESCRIPTION_FIELD_SEPARATOR + name + DESCRIPTION_FIELD_SEPARATOR;
		int indexInici = text.indexOf(fieldHeader);
		if (indexInici != -1) {
			int indexFi = text.indexOf(DESCRIPTION_FIELD_SEPARATOR, indexInici + fieldHeader.length());
			return text.substring(indexInici + fieldHeader.length(), indexFi);
		} else {
			return null;
		}
	}
	public void setFieldFromDescription(String name, String value) {
		String currentFieldValue = getFieldFromDescription(name);
		if (currentFieldValue != null) {
			String currentFieldText = DESCRIPTION_FIELD_SEPARATOR + name + DESCRIPTION_FIELD_SEPARATOR + currentFieldValue;
			String newFieldText = DESCRIPTION_FIELD_SEPARATOR + name + DESCRIPTION_FIELD_SEPARATOR + value;
			taskInstance.setDescription(getDescriptionWithFields().replace(currentFieldText, newFieldText));
		} else {
			String newFieldText = DESCRIPTION_FIELD_SEPARATOR + name + DESCRIPTION_FIELD_SEPARATOR + value;
			String fields = getDescriptionWithFields();
			if (fields == null || !fields.startsWith(DESCRIPTION_FIELD_SEPARATOR))
				newFieldText += DESCRIPTION_FIELD_SEPARATOR;
			taskInstance.setDescription(newFieldText + getDescriptionWithFields());
		}
	}

}