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// $Id$
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/**
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* Copyright (C) 2009 EDIT
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* European Distributed Institute of Taxonomy
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* http://www.e-taxonomy.eu
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*
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* The contents of this file are subject to the Mozilla Public License Version 1.1
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* See LICENSE.TXT at the top of this package for the full license terms.
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*/
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package eu.etaxonomy.cdm.api.service;
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import java.io.Serializable;
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import java.util.ArrayList;
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import java.util.HashSet;
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import java.util.List;
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import java.util.Set;
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import org.apache.log4j.Logger;
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import eu.etaxonomy.cdm.model.common.CdmBase;
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import eu.etaxonomy.cdm.model.common.IIdentifiableEntity;
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/**
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* This class represents the result of a delete action.
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*
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* @author a.mueller
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* @date 04.01.2012
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*
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*/
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public class DeleteResult implements Serializable {
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@SuppressWarnings("unused")
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private static final Logger logger = Logger.getLogger(DeleteResult.class);
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private DeleteStatus status = DeleteStatus.OK;
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private final List<Exception> exceptions = new ArrayList<Exception>();
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private final Set<CdmBase> relatedObjects = new HashSet<CdmBase>();
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// private Set<PersistPair> objectsToDelete = new HashSet<PersistPair>();
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//
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// private Set<PersistPair> objectsToSave = new HashSet<DeleteResult.PersistPair>();
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// protected class PersistPair{
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// protected CdmBase objectToPersist;
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// protected ICdmEntityDao<CdmBase> dao;
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// }
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public enum DeleteStatus {
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OK(0),
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ABORT(1),
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ERROR(3),
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;
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protected Integer severity;
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private DeleteStatus(int severity){
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this.severity = severity;
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}
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public int compareSeverity(DeleteStatus other){
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return this.severity.compareTo(other.severity);
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}
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}
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//***************************** GETTER /SETTER /ADDER *************************/
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/**
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* The resuting status of a delete action.
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*
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* @see DeleteStatus
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* @return
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*/
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public DeleteStatus getStatus() {
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return status;
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}
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public void setStatus(DeleteStatus status) {
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this.status = status;
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}
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/**
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* The highest exception that occurred during delete (if any).
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* @return
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*/
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public List<Exception> getExceptions() {
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return exceptions;
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}
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public void addException(Exception exception) {
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this.exceptions.add(exception);
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}
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public void addExceptions(List<Exception> exceptions) {
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this.exceptions.addAll(exceptions);
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}
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/**
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* Related objects that prevent the delete action to take place.
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* @return
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*/
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public Set<CdmBase> getRelatedObjects() {
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return relatedObjects;
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}
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public void addRelatedObject(CdmBase relatedObject) {
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this.relatedObjects.add(relatedObject);
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}
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public void addRelatedObjects(Set<? extends CdmBase> relatedObjects) {
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this.relatedObjects.addAll(relatedObjects);
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}
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// /**
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// * @return
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// */
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// public Set<PersistPair> getObjectsToDelete() {
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// return objectsToDelete;
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// }
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// public void setObjectsToDelete(Set<PersistPair> objectsToDelete) {
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// this.objectsToDelete = objectsToDelete;
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// }
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//
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// /**
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// * @return
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// */
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// public Set<PersistPair> getObjectsToSave() {
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// return objectsToSave;
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// }
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// public void setObjectsToSave(Set<PersistPair> objectsToSave) {
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// this.objectsToSave = objectsToSave;
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// }
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//****************** CONVENIENCE *********************************************/
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/**
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* Sets the status to {@link DeleteStatus#ERROR} if not yet set to a more serious
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* status.
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*/
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public void setError(){
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setMaxStatus(DeleteStatus.ERROR);
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}
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/**
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* Sets the status to {@link DeleteStatus#ABORT} if not yet set to a more serious
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* status.
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*/
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public void setAbort(){
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setMaxStatus(DeleteStatus.ABORT);
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}
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/**
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* Sets status to most severe status. If maxStatus is more severe then existing status
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* existing status is set to maxStatus. Otherwise nothing changes.
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* If minStatus is more severe then given status minStatus will be the new status.
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* @param maxStatus
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*/
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public void setMaxStatus(DeleteStatus maxStatus) {
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if (this.status.compareSeverity(maxStatus) < 0){
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this.status = maxStatus;
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}
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}
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public void includeResult(DeleteResult includedResult){
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this.setMaxStatus(includedResult.getStatus());
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this.addExceptions(includedResult.getExceptions());
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this.addRelatedObjects(includedResult.getRelatedObjects());
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}
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public boolean isOk(){
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return this.status == DeleteStatus.OK;
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}
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public boolean isAbort(){
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return this.status == DeleteStatus.ABORT;
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}
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public boolean isError(){
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return this.status == DeleteStatus.ERROR;
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}
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@Override
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public String toString(){
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String separator = ", ";
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String exceptionString = "";
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for (Exception exception : exceptions) {
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exceptionString += exception.getLocalizedMessage()+separator;
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}
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if(exceptionString.endsWith(separator)){
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exceptionString = exceptionString.substring(0, exceptionString.length()-separator.length());
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}
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String relatedObjectString = "";
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for (CdmBase relatedObject: relatedObjects) {
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if(relatedObject instanceof IIdentifiableEntity){
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relatedObjectString += ((IIdentifiableEntity) relatedObject).getTitleCache()+separator;
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}
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else{
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relatedObjectString += relatedObject.toString()+separator;
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}
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}
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if(relatedObjectString.endsWith(separator)){
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relatedObjectString = relatedObjectString.substring(0, relatedObjectString.length()-separator.length());
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}
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return "[DeleteResult]\n" +
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"Status: " + status.toString()+"\n" +
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"Exceptions: " + exceptionString+"\n" +
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"Related Objects: "+relatedObjectString;
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}
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}
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