/*
* This file is part of LibrePlan
*
* Copyright (C) 2009-2010 Fundación para o Fomento da Calidade Industrial e
* Desenvolvemento Tecnolóxico de Galicia
* Copyright (C) 2010-2011 Igalia, S.L.
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU Affero General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* 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 Affero General Public License for more details.
*
* You should have received a copy of the GNU Affero General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
package org.libreplan.web.common.components.finders;
import java.util.ArrayList;
import java.util.Iterator;
import java.util.List;
import java.util.Map;
import java.util.SortedMap;
import org.apache.commons.lang3.StringUtils;
import org.libreplan.business.hibernate.notification.PredefinedDatabaseSnapshots;
import org.libreplan.business.resources.entities.Criterion;
import org.libreplan.business.resources.entities.CriterionType;
import org.libreplan.business.resources.entities.Resource;
import org.springframework.beans.factory.annotation.Autowired;
/**
* Implements all the methods needed to search the criterion and resources to allocate to the tasks.
* Provides multiples searches to allocate several {@link Criterion} or an especific {@link Resource}.
*
* @author Susana Montes Pedreira <smontes@wirelessgalicia.com>
*/
public class ResourceAllocationMultipleFiltersFinder extends MultipleFiltersFinder {
private IFilterEnum mode = FilterEnumNone.None;
private boolean isLimitingResourceAllocation = false;
@Autowired
private PredefinedDatabaseSnapshots databaseSnapshots;
protected ResourceAllocationMultipleFiltersFinder() {}
protected ResourceAllocationMultipleFiltersFinder(
boolean isLimitingResourceAllocation) {
this.isLimitingResourceAllocation = isLimitingResourceAllocation;
}
public void reset() {
this.mode = FilterEnumNone.None;
}
public List<FilterPair> getFirstTenFilters() {
getListMatching().clear();
if (!isModeResource()) {
fillWithFirstTenFiltersCriterions();
}
if (isModeNone()) {
fillWithFirstTenFiltersResources();
}
addNoneFilter();
return getListMatching();
}
private List<FilterPair> fillWithFirstTenFiltersResources() {
Map<Class<?>, List<Resource>> mapResources = databaseSnapshots
.snapshotMapResources();
Iterator<Class<?>> iteratorClass = mapResources.keySet().iterator();
while (iteratorClass.hasNext() && getListMatching().size() < 10) {
Class<?> className = iteratorClass.next();
for (int i = 0; getListMatching().size() < 10
&& i < mapResources.get(className).size(); i++) {
Resource resource = mapResources.get(className).get(i);
if (isLimitingResourceAllocation != resource
.isLimitingResource()) {
continue;
}
addResource(className, resource);
}
}
return getListMatching();
}
private List<FilterPair> fillWithFirstTenFiltersCriterions() {
SortedMap<CriterionType, List<Criterion>> mapCriterions = getCriterionsMap();
Iterator<CriterionType> iteratorCriterionType = mapCriterions.keySet()
.iterator();
while (iteratorCriterionType.hasNext() && getListMatching().size() < 10) {
CriterionType type = iteratorCriterionType.next();
for (int i = 0; getListMatching().size() < 10
&& i < mapCriterions.get(type).size(); i++) {
Criterion criterion = mapCriterions.get(type).get(i);
addCriterion(type, criterion);
}
}
return getListMatching();
}
private SortedMap<CriterionType, List<Criterion>> getCriterionsMap() {
return this.databaseSnapshots.snapshotCriterionsMap();
}
public List<FilterPair> getMatching(String filter) {
getListMatching().clear();
if ((filter != null) && (!filter.isEmpty())) {
filter = StringUtils.deleteWhitespace(filter.toLowerCase());
searchInCriterionTypes(filter);
searchInResources(filter);
}
addNoneFilter();
return getListMatching();
}
private void searchInCriterionTypes(String filter) {
Map<CriterionType, List<Criterion>> mapCriterions = getCriterionsMap();
boolean limited = (filter.length() < 3);
for (CriterionType type : mapCriterions.keySet()) {
String name = StringUtils.deleteWhitespace(type.getName()
.toLowerCase());
if (name.contains(filter)) {
setFilterPairCriterionType(type, limited);
} else {
searchInCriterions(type, filter);
}
}
}
private void searchInCriterions(CriterionType type, String filter) {
Map<CriterionType, List<Criterion>> mapCriterions = getCriterionsMap();
for (Criterion criterion : mapCriterions.get(type)) {
String name = StringUtils.deleteWhitespace(criterion.getName()
.toLowerCase());
if (name.contains(filter)) {
addCriterion(type, criterion);
if ((filter.length() < 3) && (getListMatching().size() > 9)) {
return;
}
}
}
}
private void setFilterPairCriterionType(CriterionType type, boolean limited) {
Map<CriterionType, List<Criterion>> mapCriterions = getCriterionsMap();
for (Criterion criterion : mapCriterions.get(type)) {
addCriterion(type, criterion);
if ((limited) && (getListMatching().size() > 9)) {
return;
}
}
}
private void searchInResources(String filter) {
Map<Class<?>, List<Resource>> mapResources = databaseSnapshots
.snapshotMapResources();
for (Class<?> className : mapResources.keySet()) {
for (Resource resource : mapResources.get(className)) {
if (isLimitingResourceAllocation != resource
.isLimitingResource()) {
continue;
}
String name = StringUtils.deleteWhitespace(resource.getName()
.toLowerCase());
if (name.contains(filter)) {
addResource(className, resource);
if ((filter.length() < 3) && (getListMatching().size() > 9)) {
return;
}
}
}
}
}
private void addCriterion(CriterionType type, Criterion criterion) {
String pattern = criterion.getName() + " ( " + type.getName() + " )";
getListMatching().add(
new FilterPair(ResourceAllocationFilterEnum.Criterion, type
.getResource().toLowerCase(), pattern, criterion));
}
private void addResource(Class className, Resource resource) {
String pattern = resource.getName();
getListMatching().add(
new FilterPair(ResourceAllocationFilterEnum.Resource, className
.getSimpleName(), pattern, resource));
}
public boolean isValidNewFilter(List filterValues, Object obj) {
if (!super.isValidNewFilter(filterValues, obj)) {
return false;
}
FilterPair filter = (FilterPair) obj;
currentMode(filterValues);
if (filterValues.isEmpty()) {
mode = ((FilterPair) obj).getType();
return true;
}
if (isModeResource()) {
return false;
}
if (!isModeResource()
&& filter.getType().equals(
ResourceAllocationFilterEnum.Resource)) {
return false;
}
return true;
}
private boolean isModeResource() {
return mode.equals(ResourceAllocationFilterEnum.Resource);
}
private boolean isModeNone() {
return mode.equals(FilterEnumNone.None);
}
private void currentMode(List filterValues) {
for (FilterPair filter : (List<FilterPair>) filterValues) {
if (filter.getType().equals(ResourceAllocationFilterEnum.Resource)) {
mode = ResourceAllocationFilterEnum.Resource;
}else{
mode = ResourceAllocationFilterEnum.Criterion;
}
}
mode = FilterEnumNone.None;
}
public String objectToString(Object obj) {
FilterPair filterPair = (FilterPair) obj;
String text;
if (filterPair.getType().equals(ResourceAllocationFilterEnum.Criterion)) {
text = filterPair.getType() + "(" + filterPair.getPattern() + "); ";
} else {
text = filterPair.getType() + "(" + filterPair.getPattern() + ") ";
}
return text;
}
public boolean updateDeletedFilters(List filterValues, String value) {
boolean result = false;
if (isModeResource()) {
result = updateDeletedFiltersInModeResource(filterValues, value);
} else {
result = updateDeletedFiltersInModeCriterion(filterValues, value);
}
currentMode(filterValues);
return result;
}
public boolean updateDeletedFiltersInModeResource(List filterValues, String value) {
List<FilterPair> list = new ArrayList<>();
list.addAll(filterValues);
if (filterValues.size() == 1) {
FilterPair filterPair = list.get(0);
String filter = filterPair.getType() + "("
+ filterPair.getPattern() + ")";
if (!isFilterEquals(value, filter)) {
filterValues.remove(filterPair);
return true;
}
}
return false;
}
public boolean updateDeletedFiltersInModeCriterion(List filterValues, String value) {
return super.updateDeletedFilters(filterValues, value);
}
public void setLimintingResourceAllocation(boolean val) {
isLimitingResourceAllocation = val;
}
}