svn-gvsig-desktop / branches / v2_0_0_prep / libraries / libFMap_dataDB / src / org / gvsig / fmap / data / feature / db / jdbc / h2 / H2Store.java @ 24081
History | View | Annotate | Download (8.3 KB)
| 1 |
package org.gvsig.fmap.data.feature.db.jdbc.h2; |
|---|---|
| 2 |
|
| 3 |
import java.lang.ref.WeakReference; |
| 4 |
import java.sql.Connection; |
| 5 |
import java.sql.ResultSet; |
| 6 |
import java.util.ArrayList; |
| 7 |
import java.util.Iterator; |
| 8 |
import java.util.Locale; |
| 9 |
|
| 10 |
import org.gvsig.fmap.data.DataSet; |
| 11 |
import org.gvsig.fmap.data.DataExplorer; |
| 12 |
import org.gvsig.fmap.data.DataManager; |
| 13 |
import org.gvsig.fmap.data.exceptions.CloseException; |
| 14 |
import org.gvsig.fmap.data.exceptions.DataException; |
| 15 |
import org.gvsig.fmap.data.exceptions.InitializeException; |
| 16 |
import org.gvsig.fmap.data.exceptions.OpenException; |
| 17 |
import org.gvsig.fmap.data.exceptions.ReadException; |
| 18 |
import org.gvsig.fmap.data.feature.Feature; |
| 19 |
import org.gvsig.fmap.data.feature.FeatureSet; |
| 20 |
import org.gvsig.fmap.data.feature.FeatureType; |
| 21 |
import org.gvsig.fmap.data.feature.db.DBFeatureType; |
| 22 |
import org.gvsig.fmap.data.feature.db.DBResource; |
| 23 |
import org.gvsig.fmap.data.feature.db.jdbc.JDBCFeaturesWriter; |
| 24 |
import org.gvsig.fmap.data.feature.db.jdbc.JDBCStore; |
| 25 |
import org.gvsig.fmap.data.feature.db.jdbc.JDBCStoreParameters; |
| 26 |
import org.gvsig.fmap.data.feature.exceptions.InitializeWriterException; |
| 27 |
import org.gvsig.fmap.data.impl.DefaultDataManager; |
| 28 |
import org.gvsig.fmap.geom.Geometry; |
| 29 |
import org.gvsig.fmap.geom.primitive.DefaultEnvelope; |
| 30 |
import org.gvsig.fmap.geom.primitive.Envelope; |
| 31 |
import org.gvsig.metadata.Metadata; |
| 32 |
import org.gvsig.metadata.MetadataManager; |
| 33 |
import org.gvsig.metadata.DefaultMetadataManager; |
| 34 |
import org.gvsig.tools.exception.BaseException; |
| 35 |
|
| 36 |
public class H2Store extends JDBCStore{ |
| 37 |
public static final String CONNECTION_STRING = "h2"; |
| 38 |
public static String DATASTORE_NAME = "H2Store"; |
| 39 |
|
| 40 |
|
| 41 |
protected static Locale ukLocale = new Locale("en", "UK"); // English, UK version |
| 42 |
public H2StoreParameters getParametersH2(){
|
| 43 |
return (H2StoreParameters)this.parameters; |
| 44 |
} |
| 45 |
|
| 46 |
|
| 47 |
/* (non-Javadoc)
|
| 48 |
* @see org.gvsig.fmap.data.feature.db.jdbc.JDBCStore#createResource(org.gvsig.fmap.data.feature.file.dbf.DBFStoreParameters)
|
| 49 |
*/
|
| 50 |
protected DBResource createResource(JDBCStoreParameters params) {
|
| 51 |
return new H2Resource(params); |
| 52 |
} |
| 53 |
|
| 54 |
protected void initFeatureType() throws InitializeException{ |
| 55 |
H2StoreParameters dParams = this.getParametersH2();
|
| 56 |
try {
|
| 57 |
this.defaultFeatureType = H2Utils.getFeatureType(this.getConnection(), dParams); |
| 58 |
} catch (ReadException e) {
|
| 59 |
throw new InitializeException(DATASTORE_NAME,e); |
| 60 |
} |
| 61 |
String[] fieldsID = dParams.getFieldsId(); |
| 62 |
if (fieldsID == null || fieldsID.length < 1){ |
| 63 |
throw new InitializeException("Field Id not set", |
| 64 |
this.getName());
|
| 65 |
} else if (fieldsID.length > 1){ |
| 66 |
//TODO: Falta por implementar soporte para multiples ID
|
| 67 |
throw new InitializeException("Multy fields id not supported yet", |
| 68 |
this.getName());
|
| 69 |
|
| 70 |
} else{
|
| 71 |
for (int i=0;i<fieldsID.length;i++){ |
| 72 |
if (this.getDefaultFeatureType().getIndex(fieldsID[i]) < 0) { |
| 73 |
|
| 74 |
throw new InitializeException("Field id '"+ fieldsID[i] +"' (id pos "+ (i+1) +") not Found", |
| 75 |
this.getName());
|
| 76 |
|
| 77 |
} |
| 78 |
} |
| 79 |
} |
| 80 |
|
| 81 |
this.featureTypes = new ArrayList(); |
| 82 |
this.featureTypes.add(defaultFeatureType);
|
| 83 |
|
| 84 |
} |
| 85 |
|
| 86 |
|
| 87 |
public DataSet getDataCollection(FeatureType type, String filter, String order) throws ReadException { |
| 88 |
try {
|
| 89 |
type = this.checkFeatureTypeForCollection(type);
|
| 90 |
} catch (DataException e) {
|
| 91 |
throw new ReadException(this.getName(), e); |
| 92 |
} |
| 93 |
|
| 94 |
if (useSqlSource ){
|
| 95 |
if (filter != null || order != null){ |
| 96 |
throw new ReadException("Unsuported filter/order in sqlSource mode",this.getName()); |
| 97 |
} |
| 98 |
} |
| 99 |
|
| 100 |
FeatureSet coll; |
| 101 |
if (featureManager == null){ |
| 102 |
coll=new H2FeatureCollection(this,(DBFeatureType)type,filter,order); |
| 103 |
}else{
|
| 104 |
if ((order != null && order != "")){ |
| 105 |
coll=new H2FeatureCollectionWithFeatureID(featureManager,this,type,filter,order); |
| 106 |
} else{
|
| 107 |
if (filter == null || filter == ""){ |
| 108 |
coll=new H2FeatureCollectionEditing(featureManager,this,type); |
| 109 |
} else {
|
| 110 |
coll=new H2FeatureCollectionEditingFiltered(featureManager,this,type,filter); |
| 111 |
} |
| 112 |
} |
| 113 |
|
| 114 |
|
| 115 |
} |
| 116 |
|
| 117 |
this.addObserver(new WeakReference(coll)); |
| 118 |
return coll;
|
| 119 |
} |
| 120 |
|
| 121 |
protected Connection getConnection() throws ReadException{ |
| 122 |
return ((H2Resource)this.resource).getConnection(); |
| 123 |
|
| 124 |
} |
| 125 |
|
| 126 |
protected void initSqlProperties() throws InitializeException{ |
| 127 |
H2StoreParameters dParams = (H2StoreParameters)this.getParameters();
|
| 128 |
if (dParams.getSqlSoure() != null){ |
| 129 |
this.sqlSource = dParams.getSqlSoure();
|
| 130 |
this.useSqlSource = true; |
| 131 |
this.sqlSelectPart = null; |
| 132 |
this.baseWhereClause = null; |
| 133 |
this.baseOrder = null; |
| 134 |
} else {
|
| 135 |
this.sqlSelectPart = "SELECT " + dParams.getFieldsString() +" FROM "+ dParams.tableID(); |
| 136 |
|
| 137 |
this.baseWhereClause = dParams.getBaseFilter();
|
| 138 |
|
| 139 |
if (dParams.getWorkingArea() != null){ |
| 140 |
String waWhere = getWorkingAreaWhere(dParams.getWorkingArea(), dParams.getSRISD());
|
| 141 |
if (waWhere != null){ |
| 142 |
this.baseWhereClause = "(("+this.baseWhereClause+") and "+waWhere +")"; |
| 143 |
} |
| 144 |
|
| 145 |
} |
| 146 |
|
| 147 |
this.baseOrder = dParams.getBaseOrder();
|
| 148 |
} |
| 149 |
} |
| 150 |
private String getWorkingAreaWhere(Envelope r, String strEPSG) { |
| 151 |
//TODO????
|
| 152 |
if (r==null){ |
| 153 |
return null; |
| 154 |
} |
| 155 |
return null; |
| 156 |
} |
| 157 |
|
| 158 |
|
| 159 |
public boolean canAlterFeatureType() { |
| 160 |
return true; |
| 161 |
} |
| 162 |
|
| 163 |
protected void doDispose() throws CloseException { |
| 164 |
super.doDispose();
|
| 165 |
} |
| 166 |
|
| 167 |
public String getName() { |
| 168 |
return DATASTORE_NAME;
|
| 169 |
} |
| 170 |
|
| 171 |
protected JDBCFeaturesWriter getFeaturesWriter() throws InitializeWriterException { |
| 172 |
H2FeaturesWriter writer = new H2FeaturesWriter();
|
| 173 |
writer.init(this);
|
| 174 |
return writer;
|
| 175 |
} |
| 176 |
|
| 177 |
public DataExplorer getExplorer() throws ReadException { |
| 178 |
DataManager dm = DefaultDataManager.getManager(); |
| 179 |
H2ExplorerParameters explorerParams = (H2ExplorerParameters)dm.createExplorerParameters(H2Explorer.DATAEXPLORER_NAME); |
| 180 |
explorerParams.putAllDefaultValues(this.getParametersH2());
|
| 181 |
return dm.createExplorer(explorerParams);
|
| 182 |
} |
| 183 |
|
| 184 |
public Metadata getMetadata() throws BaseException{ |
| 185 |
|
| 186 |
if (metadata==null){ |
| 187 |
MetadataManager manager=DefaultMetadataManager.getManager(); |
| 188 |
metadata=manager.create(DATASTORE_NAME); |
| 189 |
Envelope extent=this.getFullExtent();
|
| 190 |
metadata.set("extent",extent);
|
| 191 |
// String srs=this.getSRS();
|
| 192 |
// metadata.set("srs",srs);
|
| 193 |
} |
| 194 |
if (this.alterMode){ |
| 195 |
Envelope extent=(Envelope)metadata.get("extent");
|
| 196 |
FeatureSet featureCollection=(FeatureSet)getDataSet(); |
| 197 |
if (spatialManager.isFullExtentDirty()){
|
| 198 |
if (!featureCollection.isEmpty()){
|
| 199 |
Iterator featureIterator=featureCollection.iterator();
|
| 200 |
extent = ((Feature)featureIterator.next()).getDefaultEnvelope(); |
| 201 |
while(featureIterator.hasNext()){
|
| 202 |
Feature feature=(Feature)featureIterator.next(); |
| 203 |
Envelope boundExtent=feature.getDefaultEnvelope(); |
| 204 |
if (boundExtent!=null) { |
| 205 |
extent.add(boundExtent); |
| 206 |
} |
| 207 |
} |
| 208 |
} |
| 209 |
} |
| 210 |
metadata.set("extent",extent);
|
| 211 |
} |
| 212 |
return metadata;
|
| 213 |
|
| 214 |
|
| 215 |
//
|
| 216 |
//
|
| 217 |
// if (metadata==null){
|
| 218 |
// IMetadata tmp=super.getMetadata();
|
| 219 |
//
|
| 220 |
// return tmp;
|
| 221 |
// }else{
|
| 222 |
// return super.getMetadata();
|
| 223 |
// }
|
| 224 |
|
| 225 |
} |
| 226 |
|
| 227 |
|
| 228 |
private Envelope getFullExtent() throws ReadException { |
| 229 |
Envelope result = new DefaultEnvelope(2); |
| 230 |
|
| 231 |
String geomField = this.getParametersH2().getDefaultGeometryField(); |
| 232 |
FeatureSet coll = (FeatureSet) this.getDataCollection(new String[] {geomField},null,null); |
| 233 |
Iterator iter = coll.iterator();
|
| 234 |
Feature feature; |
| 235 |
Geometry geom; |
| 236 |
|
| 237 |
while (iter.hasNext()) {
|
| 238 |
feature = (Feature) iter.next(); |
| 239 |
geom = (Geometry) feature.getDefaultGeometry(); |
| 240 |
if (geom != null) { |
| 241 |
result.add(geom.getEnvelope()); |
| 242 |
} |
| 243 |
|
| 244 |
} |
| 245 |
|
| 246 |
geom = null;
|
| 247 |
feature = null;
|
| 248 |
iter = null;
|
| 249 |
coll.dispose(); |
| 250 |
|
| 251 |
return result;
|
| 252 |
} |
| 253 |
|
| 254 |
|
| 255 |
protected Feature createFeatureFromResulset(ResultSet rs, DBFeatureType featureType2) throws ReadException{ |
| 256 |
return new H2Feature(featureType2,this,rs); |
| 257 |
} |
| 258 |
|
| 259 |
|
| 260 |
/* (non-Javadoc)
|
| 261 |
* @see org.gvsig.fmap.data.feature.FeatureStore#doRefresh()
|
| 262 |
*/
|
| 263 |
protected void doRefresh() throws OpenException, InitializeException { |
| 264 |
this.initFeatureType();
|
| 265 |
this.initSqlProperties();
|
| 266 |
} |
| 267 |
|
| 268 |
|
| 269 |
public boolean canWriteGeometry(int gvSIGgeometryType) { |
| 270 |
try {
|
| 271 |
return getFeaturesWriter().canWriteGeometry(gvSIGgeometryType);
|
| 272 |
} catch (InitializeWriterException e) {
|
| 273 |
e.printStackTrace(); |
| 274 |
} |
| 275 |
return false; |
| 276 |
} |
| 277 |
|
| 278 |
|
| 279 |
public Feature getByIndex(long index) throws ReadException { |
| 280 |
// TODO Auto-generated method stub
|
| 281 |
return null; |
| 282 |
} |
| 283 |
|
| 284 |
} |