svn-gvsig-desktop / trunk / org.gvsig.desktop / org.gvsig.desktop.compat.cdc / org.gvsig.fmap.dal / org.gvsig.fmap.dal.impl / src / main / java / org / gvsig / fmap / dal / feature / impl / featureset / DefaultFeatureSet.java @ 46277
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1 | 40559 | jjdelcerro | /**
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2 | * gvSIG. Desktop Geographic Information System.
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3 | 40435 | jjdelcerro | *
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4 | 40559 | jjdelcerro | * Copyright (C) 2007-2013 gvSIG Association.
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5 | 40435 | jjdelcerro | *
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6 | * This program is free software; you can redistribute it and/or
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7 | * modify it under the terms of the GNU General Public License
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8 | 40559 | jjdelcerro | * as published by the Free Software Foundation; either version 3
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9 | 40435 | jjdelcerro | * of the License, or (at your option) any later version.
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10 | *
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11 | * This program is distributed in the hope that it will be useful,
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12 | * but WITHOUT ANY WARRANTY; without even the implied warranty of
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13 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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14 | * GNU General Public License for more details.
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15 | *
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16 | * You should have received a copy of the GNU General Public License
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17 | * along with this program; if not, write to the Free Software
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18 | * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
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19 | * MA 02110-1301, USA.
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20 | *
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21 | 40559 | jjdelcerro | * For any additional information, do not hesitate to contact us
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22 | * at info AT gvsig.com, or visit our website www.gvsig.com.
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23 | 40435 | jjdelcerro | */
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24 | package org.gvsig.fmap.dal.feature.impl.featureset; |
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25 | |||
26 | import java.util.ArrayList; |
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27 | import java.util.Collections; |
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28 | import java.util.Iterator; |
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29 | import java.util.List; |
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30 | import java.util.NoSuchElementException; |
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31 | |||
32 | import org.gvsig.fmap.dal.exception.DataException; |
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33 | import org.gvsig.fmap.dal.feature.EditableFeature; |
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34 | 44753 | omartinez | import org.gvsig.fmap.dal.feature.EditableFeatureAttributeDescriptor; |
35 | 40435 | jjdelcerro | import org.gvsig.fmap.dal.feature.Feature; |
36 | import org.gvsig.fmap.dal.feature.FeatureIndexes; |
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37 | import org.gvsig.fmap.dal.feature.FeatureQuery; |
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38 | import org.gvsig.fmap.dal.feature.FeatureQueryOrder; |
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39 | 43026 | jjdelcerro | import org.gvsig.fmap.dal.feature.FeatureQueryOrder.FeatureQueryOrderMember; |
40 | 40435 | jjdelcerro | import org.gvsig.fmap.dal.feature.FeatureSet; |
41 | import org.gvsig.fmap.dal.feature.FeatureStore; |
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42 | import org.gvsig.fmap.dal.feature.FeatureStoreNotification; |
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43 | import org.gvsig.fmap.dal.feature.FeatureType; |
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44 | import org.gvsig.fmap.dal.feature.exception.ConcurrentDataModificationException; |
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45 | import org.gvsig.fmap.dal.feature.exception.FeatureSetInitializeException; |
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46 | import org.gvsig.fmap.dal.feature.impl.DefaultFeatureStore; |
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47 | import org.gvsig.fmap.dal.feature.impl.DefaultFeatureStoreTransforms; |
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48 | 44753 | omartinez | import org.gvsig.fmap.dal.feature.impl.DefaultFeatureType; |
49 | 40435 | jjdelcerro | import org.gvsig.fmap.dal.feature.spi.FeatureSetProvider; |
50 | 45195 | omartinez | import org.gvsig.tools.ToolsLocator; |
51 | 40435 | jjdelcerro | import org.gvsig.tools.dispose.DisposableIterator; |
52 | 44113 | jjdelcerro | import org.gvsig.tools.dispose.DisposeUtils; |
53 | 40435 | jjdelcerro | import org.gvsig.tools.evaluator.Evaluator; |
54 | 45195 | omartinez | import org.gvsig.tools.exception.BaseException; |
55 | 40435 | jjdelcerro | import org.gvsig.tools.observer.Observable; |
56 | import org.gvsig.tools.observer.Observer; |
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57 | |||
58 | 43089 | jjdelcerro | public class DefaultFeatureSet extends AbstractFeatureSet implements |
59 | 40435 | jjdelcerro | FeatureSet, Observer {
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60 | |||
61 | 44113 | jjdelcerro | protected static final int NO_CHECKED = -1; |
62 | protected static final int DEFAULT = 0; |
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63 | protected static final int FILTERED = 1; |
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64 | protected static final int ORDERED = 2; |
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65 | protected static final int ORDERED_FILTERED = 3; |
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66 | protected static final int EDITED = 4; |
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67 | protected static final int EDITED_FILTERED = 5; |
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68 | protected static final int ORDERD_EDITED = 6; |
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69 | protected static final int ORDERED_EDITED_FILTER = 7; |
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70 | 40435 | jjdelcerro | |
71 | 45425 | jjdelcerro | protected Throwable sourceStoreModifiedCause; |
72 | 44113 | jjdelcerro | protected boolean sourceStoreModified; |
73 | protected boolean ownFeaturesModified; |
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74 | protected DefaultFeatureStore store;
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75 | protected List featureTypes; |
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76 | protected FeatureQuery query;
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77 | protected FeatureSetProvider provider;
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78 | protected long size; |
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79 | protected int iteratorMode; |
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80 | protected List orderedData; |
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81 | protected Feature featureToIgnoreNotification;
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82 | protected DefaultFeatureStoreTransforms transform;
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83 | protected FeatureQuery queryForProvider;
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84 | 44753 | omartinez | protected FeatureType defaultFeatureType;
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85 | 44113 | jjdelcerro | protected FeatureType defatulFeatureTypeForProvider;
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86 | protected boolean ignoreChanges; |
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87 | 45195 | omartinez | private boolean disposed = false; |
88 | 40435 | jjdelcerro | |
89 | public DefaultFeatureSet(DefaultFeatureStore store, FeatureQuery query)
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90 | throws DataException {
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91 | 45195 | omartinez | DisposeUtils.bind(this);
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92 | 40435 | jjdelcerro | this.featureToIgnoreNotification = null; |
93 | this.iteratorMode = NO_CHECKED;
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94 | this.sourceStoreModified = false; |
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95 | this.ownFeaturesModified = false; |
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96 | this.size = -1; |
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97 | this.orderedData = null; |
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98 | this.store = store;
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99 | 45425 | jjdelcerro | DisposeUtils.bind(this.store);
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100 | 40435 | jjdelcerro | if (this.store.isEditing()) { |
101 | this.transform = this.store.getFeatureTypeManager().getTransforms(); |
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102 | } else {
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103 | this.transform =
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104 | (DefaultFeatureStoreTransforms) store.getTransforms(); |
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105 | } |
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106 | this.query = query;
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107 | try {
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108 | this.queryForProvider = (FeatureQuery) query.clone();
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109 | } catch (CloneNotSupportedException e) { |
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110 | throw new FeatureSetInitializeException(e); |
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111 | } |
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112 | |||
113 | this.featureTypes = new ArrayList(); |
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114 | if (this.query.getFeatureTypeId() == null |
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115 | && this.query.getAttributeNames() == null) { |
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116 | 44753 | omartinez | this.defaultFeatureType = this.store.getDefaultFeatureType(); |
117 | 40435 | jjdelcerro | this.featureTypes.addAll(this.store.getFeatureTypes()); |
118 | } else {
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119 | 44753 | omartinez | this.defaultFeatureType = this.store.getFeatureType(this.query); |
120 | List<EditableFeatureAttributeDescriptor> cols = this.query.getExtraColumn().getColumns(); |
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121 | if (this.query!=null && cols!=null && !cols.isEmpty()) { |
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122 | DefaultFeatureType featureTypeExtraCols = (DefaultFeatureType) this.defaultFeatureType.getCopy();
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123 | featureTypeExtraCols.setExtraColumn(this.query.getExtraColumn());
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124 | this.defaultFeatureType = featureTypeExtraCols;
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125 | } |
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126 | this.featureTypes.add(this.defaultFeatureType); |
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127 | 40435 | jjdelcerro | } |
128 | if (this.transform != null && !this.transform.isEmpty()) { |
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129 | this.fixQueryForProvider(this.queryForProvider, this.transform); |
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130 | } else {
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131 | 44753 | omartinez | this.defatulFeatureTypeForProvider = this.defaultFeatureType; |
132 | 40435 | jjdelcerro | } |
133 | |||
134 | FeatureIndexes indexes = store.getIndexes(); |
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135 | if (this.queryForProvider.hasFilter() && indexes != null |
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136 | && indexes.areValid()) { |
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137 | this.provider =
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138 | (FeatureSetProvider) indexes |
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139 | .getFeatureSet(this.queryForProvider.getFilter());
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140 | } |
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141 | if (this.provider == null) { |
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142 | this.provider =
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143 | this.store.getProvider().createSet(this.queryForProvider, |
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144 | this.defatulFeatureTypeForProvider);
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145 | } |
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146 | this.store.addObserver(this); |
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147 | } |
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148 | |||
149 | private void fixQueryForProvider(FeatureQuery theQueryForProvider, |
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150 | DefaultFeatureStoreTransforms transformsToUse) throws DataException {
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151 | 42975 | jjdelcerro | theQueryForProvider.clearAttributeNames(); |
152 | 40435 | jjdelcerro | FeatureType ftype = |
153 | 44753 | omartinez | transformsToUse.getSourceFeatureTypeFrom(this.defaultFeatureType);
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154 | 40435 | jjdelcerro | theQueryForProvider.setFeatureTypeId(ftype.getId()); |
155 | this.defatulFeatureTypeForProvider = ftype;
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156 | 44854 | omartinez | |
157 | 40435 | jjdelcerro | if (transformsToUse.isTransformsOriginalValues()) {
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158 | 42975 | jjdelcerro | theQueryForProvider.clearFilter(); |
159 | 40435 | jjdelcerro | FeatureQueryOrder fqo = theQueryForProvider.getOrder(); |
160 | if (fqo != null) { |
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161 | fqo.clear(); |
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162 | } |
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163 | return;
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164 | |||
165 | } |
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166 | |||
167 | // Filter
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168 | Evaluator filter = theQueryForProvider.getFilter(); |
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169 | if (filter != null) { |
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170 | 44113 | jjdelcerro | boolean canUseFilter;
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171 | 40435 | jjdelcerro | if (filter.getFieldsInfo() == null) { |
172 | canUseFilter = false;
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173 | } else {
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174 | canUseFilter = areEvaluatorFieldsInAttributes(filter, ftype); |
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175 | } |
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176 | |||
177 | if (!canUseFilter) {
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178 | 42975 | jjdelcerro | theQueryForProvider.clearFilter(); |
179 | 40435 | jjdelcerro | } |
180 | |||
181 | } |
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182 | |||
183 | // Order
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184 | if (theQueryForProvider.hasOrder()) {
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185 | boolean canUseOrder = true; |
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186 | Iterator iter = theQueryForProvider.getOrder().iterator();
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187 | FeatureQueryOrderMember item; |
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188 | while (iter.hasNext()) {
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189 | item = (FeatureQueryOrderMember) iter.next(); |
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190 | if (item.hasEvaluator()) {
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191 | if (!areEvaluatorFieldsInAttributes(item.getEvaluator(),
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192 | ftype)) { |
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193 | canUseOrder = false;
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194 | break;
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195 | } |
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196 | } else {
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197 | if (ftype.get(item.getAttributeName()) == null) { |
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198 | canUseOrder = false;
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199 | break;
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200 | } |
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201 | } |
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202 | } |
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203 | |||
204 | if (!canUseOrder) {
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205 | theQueryForProvider.getOrder().clear(); |
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206 | } |
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207 | } |
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208 | |||
209 | } |
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210 | |||
211 | private boolean areEvaluatorFieldsInAttributes(Evaluator evaluator, |
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212 | FeatureType fType) { |
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213 | if (evaluator.getFieldsInfo() == null) { |
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214 | return false; |
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215 | } |
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216 | String[] fieldNames = evaluator.getFieldsInfo().getFieldNames(); |
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217 | if (fieldNames.length == 0) { |
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218 | return false; |
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219 | } else {
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220 | 44113 | jjdelcerro | for (String fieldName : fieldNames) { |
221 | if (fType.get(fieldName) == null) { |
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222 | 40435 | jjdelcerro | return false; |
223 | } |
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224 | } |
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225 | } |
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226 | return true; |
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227 | } |
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228 | |||
229 | 44854 | omartinez | @Override
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230 | 40435 | jjdelcerro | public FeatureType getDefaultFeatureType() {
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231 | 44753 | omartinez | return this.defaultFeatureType; |
232 | 40435 | jjdelcerro | } |
233 | |||
234 | 44854 | omartinez | @Override
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235 | 40435 | jjdelcerro | public List getFeatureTypes() { |
236 | return Collections.unmodifiableList(this.featureTypes); |
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237 | } |
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238 | |||
239 | 44854 | omartinez | @Override
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240 | 40435 | jjdelcerro | public long getSize() throws DataException { |
241 | this.checkSourceStoreModified();
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242 | if (size < 0) { |
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243 | size = calculateSize(); |
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244 | } |
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245 | return size;
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246 | } |
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247 | |||
248 | private long calculateSize() throws DataException { |
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249 | 46277 | jjdelcerro | boolean hasLimit = this.query.hasLimit(); |
250 | 44202 | jjdelcerro | long limit = this.query.getLimit(); |
251 | long mySize = 0; |
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252 | |||
253 | 40435 | jjdelcerro | int mode = this.getIteratorMode(); |
254 | 45530 | fdiaz | DisposableIterator iter = null;
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255 | 44202 | jjdelcerro | switch (mode) {
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256 | case DEFAULT:
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257 | case ORDERED:
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258 | 40435 | jjdelcerro | if (this.provider.isEmpty()) { |
259 | return 0; |
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260 | } |
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261 | 44202 | jjdelcerro | mySize = provider.getSize(); |
262 | 46277 | jjdelcerro | return (hasLimit && mySize>limit)? limit:mySize;
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263 | 44202 | jjdelcerro | |
264 | case FILTERED:
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265 | case ORDERED_FILTERED:
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266 | 40435 | jjdelcerro | try {
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267 | iter = this.fastIterator();
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268 | 46277 | jjdelcerro | while ((hasLimit && (mySize<limit)) || !hasLimit ) {
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269 | 40435 | jjdelcerro | iter.next(); |
270 | mySize++; |
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271 | } |
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272 | } catch (NoSuchElementException e) { |
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273 | 44202 | jjdelcerro | |
274 | 40435 | jjdelcerro | } finally {
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275 | 44113 | jjdelcerro | DisposeUtils.disposeQuietly(iter); |
276 | 40435 | jjdelcerro | } |
277 | 46277 | jjdelcerro | return (limit>=0 && mySize>limit)? limit:mySize; |
278 | 44202 | jjdelcerro | |
279 | case EDITED:
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280 | case ORDERD_EDITED:
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281 | mySize = provider.getSize() |
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282 | 43983 | jjdelcerro | + store.getFeatureManager().getDeltaSize(); |
283 | 46277 | jjdelcerro | return (hasLimit && mySize>limit)? limit:mySize;
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284 | 44202 | jjdelcerro | |
285 | 45530 | fdiaz | case EDITED_FILTERED:
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286 | case ORDERED_EDITED_FILTER:
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287 | try {
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288 | iter = this.fastIterator();
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289 | 46277 | jjdelcerro | while ((hasLimit && (mySize<limit)) || !hasLimit ) {
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290 | 45530 | fdiaz | iter.next(); |
291 | mySize++; |
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292 | } |
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293 | } catch (NoSuchElementException e) { |
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294 | |||
295 | } finally {
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296 | DisposeUtils.disposeQuietly(iter); |
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297 | } |
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298 | 46277 | jjdelcerro | return (hasLimit && mySize>limit)? limit:mySize;
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299 | 45530 | fdiaz | |
300 | 44202 | jjdelcerro | default:
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301 | throw new IllegalArgumentException(); |
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302 | 43983 | jjdelcerro | } |
303 | 40435 | jjdelcerro | } |
304 | 45195 | omartinez | |
305 | @Override
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306 | public synchronized final void dispose() { |
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307 | // Check if we have already been disposed, and don't do it again
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308 | if (!disposed) {
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309 | if (DisposeUtils.release(this)) { |
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310 | try {
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311 | doDispose(); |
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312 | } catch (Exception ex) { |
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313 | LOG.error("Error performing dispose", ex);
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314 | } finally {
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315 | disposed = true;
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316 | } |
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317 | } |
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318 | } |
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319 | } |
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320 | 40435 | jjdelcerro | |
321 | 45195 | omartinez | public void doDispose() { |
322 | 44669 | jjdelcerro | if( this.store!=null ) { |
323 | this.store.deleteObserver(this); |
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324 | 45425 | jjdelcerro | DisposeUtils.dispose(this.store);
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325 | 44669 | jjdelcerro | this.store = null; |
326 | } |
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327 | if( this.provider!=null ) { |
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328 | this.provider.dispose();
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329 | this.provider = null; |
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330 | } |
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331 | 40435 | jjdelcerro | if (orderedData != null) { |
332 | orderedData.clear(); |
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333 | 44669 | jjdelcerro | this.orderedData = null; |
334 | 40435 | jjdelcerro | } |
335 | 44669 | jjdelcerro | this.featureToIgnoreNotification = null; |
336 | 40435 | jjdelcerro | this.transform = null; |
337 | this.query = null; |
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338 | this.queryForProvider = null; |
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339 | this.featureTypes = null; |
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340 | 44753 | omartinez | this.defaultFeatureType = null; |
341 | 40435 | jjdelcerro | this.defatulFeatureTypeForProvider = null; |
342 | } |
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343 | |||
344 | public void update(Observable obsevable, Object notification) { |
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345 | if (sourceStoreModified) {
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346 | return;
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347 | } |
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348 | |||
349 | String type = ((FeatureStoreNotification) notification).getType();
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350 | |||
351 | if (type.equalsIgnoreCase(FeatureStoreNotification.AFTER_INSERT)
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352 | || type.equalsIgnoreCase(FeatureStoreNotification.AFTER_DELETE) |
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353 | || type.equalsIgnoreCase(FeatureStoreNotification.AFTER_UPDATE)) { |
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354 | if (this.featureToIgnoreNotification == ((FeatureStoreNotification) notification) |
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355 | .getFeature()) { |
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356 | return;
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357 | } |
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358 | sourceStoreModified = true;
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359 | 45425 | jjdelcerro | sourceStoreModifiedCause = new Throwable(); |
360 | 40435 | jjdelcerro | return;
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361 | } |
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362 | if (type.equalsIgnoreCase(FeatureStoreNotification.AFTER_UPDATE_TYPE)
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363 | || type.equalsIgnoreCase(FeatureStoreNotification.AFTER_REDO) |
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364 | || type.equalsIgnoreCase(FeatureStoreNotification.AFTER_UNDO) |
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365 | || type.equalsIgnoreCase(FeatureStoreNotification.AFTER_REFRESH) |
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366 | 45425 | jjdelcerro | || type.equalsIgnoreCase(FeatureStoreNotification.COMPLEX_NOTIFICATION) |
367 | // || type.equalsIgnoreCase(FeatureStoreNotification.AFTER_CLOSE)
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368 | // || type.equalsIgnoreCase(FeatureStoreNotification.AFTER_DISPOSE)
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369 | 40435 | jjdelcerro | || type.equalsIgnoreCase(FeatureStoreNotification.TRANSFORM_CHANGE)) { |
370 | sourceStoreModified = true;
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371 | 45425 | jjdelcerro | sourceStoreModifiedCause = new Throwable(); |
372 | 40435 | jjdelcerro | return;
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373 | } |
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374 | 44097 | omartinez | if (type.equalsIgnoreCase(FeatureStoreNotification.RESOURCE_CHANGED)) {
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375 | if(!this.ignoreChanges) { |
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376 | sourceStoreModified = true;
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377 | 45425 | jjdelcerro | sourceStoreModifiedCause = new Throwable(); |
378 | 44097 | omartinez | return;
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379 | } |
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380 | 40435 | jjdelcerro | } |
381 | 44097 | omartinez | if (type.equalsIgnoreCase(FeatureStoreNotification.AFTER_CANCELEDITING)) {
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382 | if (ownFeaturesModified) {
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383 | sourceStoreModified = true;
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384 | 45425 | jjdelcerro | sourceStoreModifiedCause = new Throwable(); |
385 | 44097 | omartinez | return;
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386 | } |
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387 | } |
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388 | 40435 | jjdelcerro | } |
389 | 43358 | jjdelcerro | |
390 | 40435 | jjdelcerro | protected void checkSourceStoreModified() { |
391 | if (sourceStoreModified) {
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392 | 45425 | jjdelcerro | ConcurrentDataModificationException ex = new ConcurrentDataModificationException(
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393 | store == null ? "": store.getName() |
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394 | ); |
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395 | ex.initCause(sourceStoreModifiedCause); |
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396 | throw ex;
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397 | 40435 | jjdelcerro | } |
398 | } |
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399 | |||
400 | 43358 | jjdelcerro | @Override
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401 | 40435 | jjdelcerro | public DisposableIterator fastIterator(long index) throws DataException { |
402 | 43358 | jjdelcerro | return fastIterator(index, 0); |
403 | } |
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404 | |||
405 | @Override
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406 | public DisposableIterator fastIterator(long index, long elements) throws DataException { |
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407 | 40435 | jjdelcerro | if (index < 0) { |
408 | throw new IndexOutOfBoundsException("The index (" + index |
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409 | + ") is less than 0");
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410 | } |
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411 | 43913 | jjdelcerro | DisposableIterator it; |
412 | 40435 | jjdelcerro | int mode = this.getIteratorMode(); |
413 | |||
414 | switch (mode) {
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415 | case DEFAULT:
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416 | 43913 | jjdelcerro | it = new FastDefaultIterator(this, index, elements); |
417 | break;
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418 | 40435 | jjdelcerro | |
419 | case FILTERED:
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420 | 45989 | fdiaz | it = new FastFilteredIterator(this, index, elements); |
421 | 43913 | jjdelcerro | break;
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422 | 40435 | jjdelcerro | |
423 | case ORDERED:
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424 | 45989 | fdiaz | if(this.provider.canOrder() && this.provider.canIterateFromIndex()){ |
425 | it = new FastDefaultIterator(this, index, elements); |
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426 | 40435 | jjdelcerro | } else {
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427 | 45989 | fdiaz | if (this.orderedData != null) { |
428 | it = new FastOrderedIterator(this, index); |
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429 | } else {
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430 | it = new FastOrderedIterator(this, new FastDefaultIterator(this, 0, -1), index); |
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431 | } |
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432 | 40435 | jjdelcerro | } |
433 | 43913 | jjdelcerro | break;
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434 | |||
435 | 40435 | jjdelcerro | case ORDERED_FILTERED:
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436 | 45989 | fdiaz | if(this.provider.canOrder() && this.provider.canFilter() && this.provider.canIterateFromIndex()){ |
437 | it = new FastFilteredIterator(this, index, elements); |
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438 | 40435 | jjdelcerro | } else {
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439 | 45989 | fdiaz | if (this.orderedData != null) { |
440 | it = new FastOrderedIterator(this, index); |
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441 | } else {
|
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442 | it = new FastOrderedIterator(this, new FastFilteredIterator( |
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443 | this, 0, -1), index); |
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444 | } |
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445 | 40435 | jjdelcerro | } |
446 | 45989 | fdiaz | |
447 | 43913 | jjdelcerro | break;
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448 | 40435 | jjdelcerro | |
449 | case EDITED:
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450 | 45989 | fdiaz | it = new FastEditedIterator(this, index, elements); |
451 | 43913 | jjdelcerro | break;
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452 | 40435 | jjdelcerro | |
453 | case EDITED_FILTERED:
|
||
454 | 45989 | fdiaz | it = new FastEditedFilteredIterator(this, index, elements); |
455 | 43913 | jjdelcerro | break;
|
456 | 40435 | jjdelcerro | |
457 | case ORDERD_EDITED:
|
||
458 | 45989 | fdiaz | if(this.provider.canOrder() && this.provider.canIterateFromIndex() && !this.store.getFeatureManager().hasDeleteds()){ |
459 | it = new FastEditedIterator(this, index, elements); |
||
460 | 40435 | jjdelcerro | } else {
|
461 | 45989 | fdiaz | if (this.orderedData != null) { |
462 | it = new FastOrderedIterator(this, index); |
||
463 | } else {
|
||
464 | it = new FastOrderedIterator(this, new FastEditedIterator( |
||
465 | this, 0, -1), index); |
||
466 | } |
||
467 | 40435 | jjdelcerro | } |
468 | 43913 | jjdelcerro | break;
|
469 | 40435 | jjdelcerro | |
470 | case ORDERED_EDITED_FILTER:
|
||
471 | 45989 | fdiaz | if(this.provider.canOrder() && this.provider.canFilter() && this.provider.canIterateFromIndex() && !this.store.getFeatureManager().hasDeleteds()){ |
472 | it = new FastEditedFilteredIterator(this, index, elements); |
||
473 | 40435 | jjdelcerro | } else {
|
474 | 45989 | fdiaz | if (this.orderedData != null) { |
475 | it = new FastOrderedIterator(this, index); |
||
476 | } else {
|
||
477 | it = new FastOrderedIterator(this, |
||
478 | new FastEditedFilteredIterator(this, 0, -1), index); |
||
479 | } |
||
480 | 40435 | jjdelcerro | } |
481 | 43913 | jjdelcerro | break;
|
482 | |||
483 | 40435 | jjdelcerro | default:
|
484 | throw new IllegalArgumentException(); |
||
485 | } |
||
486 | 43913 | jjdelcerro | if( this.query!=null && this.query.getLimit()>0 ) { |
487 | it = new LimitIterator(it,this.query.getLimit()); |
||
488 | } |
||
489 | return it;
|
||
490 | 40435 | jjdelcerro | } |
491 | |||
492 | 43913 | jjdelcerro | private class LimitIterator implements DisposableIterator { |
493 | 40435 | jjdelcerro | |
494 | 43913 | jjdelcerro | private final DisposableIterator it; |
495 | private final long limit; |
||
496 | private int count; |
||
497 | |||
498 | private LimitIterator(DisposableIterator it, long limit) { |
||
499 | this.it = it;
|
||
500 | this.limit = limit;
|
||
501 | this.count = 0; |
||
502 | } |
||
503 | |||
504 | @Override
|
||
505 | public void dispose() { |
||
506 | this.it.dispose();
|
||
507 | } |
||
508 | |||
509 | @Override
|
||
510 | public boolean hasNext() { |
||
511 | if( this.count>=this.limit ) { |
||
512 | return false; |
||
513 | } |
||
514 | return this.it.hasNext(); |
||
515 | } |
||
516 | |||
517 | @Override
|
||
518 | public Object next() { |
||
519 | if( this.count>=this.limit ) { |
||
520 | return null; |
||
521 | } |
||
522 | this.count++;
|
||
523 | return this.it.next(); |
||
524 | } |
||
525 | |||
526 | @Override
|
||
527 | public void remove() { |
||
528 | throw new UnsupportedOperationException("Not supported yet."); //To change body of generated methods, choose Tools | Templates. |
||
529 | } |
||
530 | |||
531 | } |
||
532 | |||
533 | 43358 | jjdelcerro | @Override
|
534 | 40435 | jjdelcerro | public DisposableIterator iterator(long index) throws DataException { |
535 | 43358 | jjdelcerro | return iterator(index,0); |
536 | } |
||
537 | |||
538 | @Override
|
||
539 | public DisposableIterator iterator(long index, long elements) throws DataException { |
||
540 | 40435 | jjdelcerro | if (index < 0) { |
541 | throw new IndexOutOfBoundsException("The index (" + index |
||
542 | + ") is less than 0");
|
||
543 | } |
||
544 | 43913 | jjdelcerro | DisposableIterator it; |
545 | 40435 | jjdelcerro | int mode = this.getIteratorMode(); |
546 | |||
547 | switch (mode) {
|
||
548 | case DEFAULT:
|
||
549 | 43913 | jjdelcerro | it = new DefaultIterator(this, index, elements); |
550 | break;
|
||
551 | 40435 | jjdelcerro | |
552 | case FILTERED:
|
||
553 | 45989 | fdiaz | it = new FilteredIterator(this, index, elements); |
554 | 43913 | jjdelcerro | break;
|
555 | 40435 | jjdelcerro | |
556 | case ORDERED:
|
||
557 | 45989 | fdiaz | if(this.provider.canOrder() && this.provider.canIterateFromIndex()){ |
558 | it = new DefaultIterator(this, index, elements); |
||
559 | } else {
|
||
560 | if (orderedData != null) { |
||
561 | it = new OrderedIterator(this, index); |
||
562 | 40435 | jjdelcerro | |
563 | 45989 | fdiaz | } else {
|
564 | it = new OrderedIterator(this, new DefaultIterator(this, 0, elements),index); |
||
565 | } |
||
566 | 40435 | jjdelcerro | } |
567 | 43913 | jjdelcerro | break;
|
568 | 40435 | jjdelcerro | |
569 | case ORDERED_FILTERED:
|
||
570 | 45989 | fdiaz | if(this.provider.canOrder() && this.provider.canFilter() && this.provider.canIterateFromIndex()){ |
571 | it = new FilteredIterator(this, index, elements); |
||
572 | } else {
|
||
573 | if (orderedData != null) { |
||
574 | it = new OrderedIterator(this, index); |
||
575 | } else {
|
||
576 | it = new OrderedIterator(this, new FilteredIterator(this, 0, -1),index); |
||
577 | } |
||
578 | } |
||
579 | 43913 | jjdelcerro | break;
|
580 | 40435 | jjdelcerro | |
581 | case EDITED:
|
||
582 | 45989 | fdiaz | it = new EditedIterator(this, index, elements); |
583 | 43913 | jjdelcerro | break;
|
584 | 40435 | jjdelcerro | |
585 | case EDITED_FILTERED:
|
||
586 | 45989 | fdiaz | it = new EditedFilteredIterator(this, index, elements); |
587 | 43913 | jjdelcerro | break;
|
588 | 40435 | jjdelcerro | |
589 | case ORDERD_EDITED:
|
||
590 | 45989 | fdiaz | if(this.provider.canOrder() && this.provider.canIterateFromIndex() && !this.store.getFeatureManager().hasDeleteds()){ |
591 | it = new EditedIterator(this, index, elements); |
||
592 | } else {
|
||
593 | if (orderedData != null) { |
||
594 | it = new OrderedIterator(this, index); |
||
595 | } else {
|
||
596 | it = new OrderedIterator(this, |
||
597 | new EditedIterator(this, 0, -1), index); |
||
598 | } |
||
599 | } |
||
600 | 43913 | jjdelcerro | break;
|
601 | 40435 | jjdelcerro | |
602 | case ORDERED_EDITED_FILTER:
|
||
603 | 45989 | fdiaz | if(this.provider.canOrder() && this.providerCanFilter() && this.provider.canIterateFromIndex() && !this.store.getFeatureManager().hasDeleteds()){ |
604 | it = new EditedFilteredIterator(this, index, elements); |
||
605 | } else {
|
||
606 | if (orderedData != null) { |
||
607 | it = new OrderedIterator(this, index); |
||
608 | } else {
|
||
609 | it = new OrderedIterator(this, |
||
610 | new EditedFilteredIterator(this, 0, -1), index); |
||
611 | } |
||
612 | } |
||
613 | 43913 | jjdelcerro | break;
|
614 | 40435 | jjdelcerro | |
615 | default:
|
||
616 | throw new IllegalArgumentException(); |
||
617 | } |
||
618 | |||
619 | 43913 | jjdelcerro | if( this.query!=null && this.query.getLimit()>0 ) { |
620 | it = new LimitIterator(it,this.query.getLimit()); |
||
621 | } |
||
622 | return it;
|
||
623 | 40435 | jjdelcerro | } |
624 | |||
625 | private boolean providerCanOrder() { |
||
626 | return this.provider.canOrder(); |
||
627 | } |
||
628 | |||
629 | private boolean providerCanFilter() { |
||
630 | return this.provider.canFilter(); |
||
631 | } |
||
632 | |||
633 | private int getIteratorMode() { |
||
634 | |||
635 | if (this.iteratorMode != NO_CHECKED) { |
||
636 | return this.iteratorMode; |
||
637 | } |
||
638 | |||
639 | // TODO Tener en cuenta las transformaciones ???
|
||
640 | |||
641 | 43981 | omartinez | if (store.isEditing() && (store.getFeatureTypeManager().hasChanges() || store.getFeatureManager().hasChanges())) {
|
642 | 40435 | jjdelcerro | if (this.query.hasOrder()) { // En edicion siempre ordeno yo. |
643 | if (this.query.hasFilter()) { |
||
644 | return ORDERED_EDITED_FILTER;
|
||
645 | } else {
|
||
646 | return ORDERD_EDITED;
|
||
647 | } |
||
648 | } else {
|
||
649 | if (this.query.hasFilter()) { |
||
650 | return EDITED_FILTERED;
|
||
651 | } else {
|
||
652 | return EDITED;
|
||
653 | } |
||
654 | } |
||
655 | } else {
|
||
656 | boolean useMyFilter = this.query.hasFilter(); |
||
657 | boolean useMyOrder = this.query.hasOrder(); |
||
658 | if (this.providerCanOrder() && this.transform.isEmpty()) { |
||
659 | useMyOrder = false;
|
||
660 | } |
||
661 | if (this.providerCanFilter() && this.transform.isEmpty()) { |
||
662 | useMyFilter = false;
|
||
663 | } |
||
664 | |||
665 | if (useMyOrder) {
|
||
666 | if (useMyFilter) {
|
||
667 | 44191 | jjdelcerro | return ORDERED_FILTERED;
|
668 | 40435 | jjdelcerro | } else {
|
669 | 44191 | jjdelcerro | return ORDERED;
|
670 | 40435 | jjdelcerro | } |
671 | } else {
|
||
672 | if (useMyFilter) {
|
||
673 | 44191 | jjdelcerro | return FILTERED;
|
674 | 40435 | jjdelcerro | } else {
|
675 | 44191 | jjdelcerro | return DEFAULT;
|
676 | 40435 | jjdelcerro | } |
677 | } |
||
678 | } |
||
679 | |||
680 | } |
||
681 | |||
682 | 44854 | omartinez | @Override
|
683 | 40435 | jjdelcerro | public void delete(Feature feature) throws DataException { |
684 | this.featureToIgnoreNotification = feature;
|
||
685 | this.store.delete(feature);
|
||
686 | if (this.size > 0) { |
||
687 | this.size--;
|
||
688 | } |
||
689 | this.featureToIgnoreNotification = null; |
||
690 | this.ownFeaturesModified = true; |
||
691 | } |
||
692 | |||
693 | 44854 | omartinez | @Override
|
694 | 40435 | jjdelcerro | public void insert(EditableFeature feature) throws DataException { |
695 | this.featureToIgnoreNotification = feature;
|
||
696 | this.store.insert(feature);
|
||
697 | if (this.size >= 0) { |
||
698 | this.size++;
|
||
699 | } |
||
700 | this.featureToIgnoreNotification = null; |
||
701 | this.ownFeaturesModified = true; |
||
702 | } |
||
703 | |||
704 | 44854 | omartinez | @Override
|
705 | 40435 | jjdelcerro | public void update(EditableFeature feature) throws DataException { |
706 | this.featureToIgnoreNotification = feature;
|
||
707 | this.store.update(feature);
|
||
708 | this.featureToIgnoreNotification = null; |
||
709 | this.ownFeaturesModified = true; |
||
710 | } |
||
711 | 44097 | omartinez | |
712 | 44854 | omartinez | @Override
|
713 | 44097 | omartinez | public void commitChanges() throws DataException { |
714 | this.ignoreChanges = true; |
||
715 | this.store.commitChanges();
|
||
716 | this.ignoreChanges = false; |
||
717 | |||
718 | } |
||
719 | 40435 | jjdelcerro | |
720 | 44854 | omartinez | @Override
|
721 | 40435 | jjdelcerro | public FeatureStore getFeatureStore() {
|
722 | return store;
|
||
723 | } |
||
724 | 43358 | jjdelcerro | |
725 | 40435 | jjdelcerro | } |