svn-gvsig-desktop / branches / v2_0_0_prep / libraries / libFMap_dataDB / src / org / gvsig / fmap / data / feature / db / jdbc / h2 / H2Store.java @ 22373
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package org.gvsig.fmap.data.feature.db.jdbc.h2; |
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import java.lang.ref.WeakReference; |
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import java.sql.Connection; |
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import java.sql.ResultSet; |
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import java.util.Iterator; |
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import java.util.Locale; |
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import org.gvsig.exceptions.BaseException; |
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import org.gvsig.fmap.data.CloseException; |
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import org.gvsig.fmap.data.DataCollection; |
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import org.gvsig.fmap.data.DataExplorer; |
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import org.gvsig.fmap.data.DataManager; |
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import org.gvsig.fmap.data.InitializeException; |
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import org.gvsig.fmap.data.OpenException; |
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import org.gvsig.fmap.data.ReadException; |
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import org.gvsig.fmap.data.feature.Feature; |
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import org.gvsig.fmap.data.feature.FeatureCollection; |
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import org.gvsig.fmap.data.feature.FeatureType; |
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import org.gvsig.fmap.data.feature.InitializeWriterException; |
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import org.gvsig.fmap.data.feature.db.DBFeatureType; |
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import org.gvsig.fmap.data.feature.db.jdbc.JDBCFeaturesWriter; |
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import org.gvsig.fmap.data.feature.db.jdbc.JDBCResource; |
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import org.gvsig.fmap.data.feature.db.jdbc.JDBCStore; |
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import org.gvsig.fmap.data.feature.db.jdbc.JDBCStoreParameters; |
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import org.gvsig.fmap.geom.Geometry; |
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import org.gvsig.fmap.geom.primitive.DefaultEnvelope; |
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import org.gvsig.fmap.geom.primitive.Envelope; |
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import org.gvsig.metadata.IMetadata; |
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import org.gvsig.metadata.IMetadataManager; |
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import org.gvsig.metadata.MetadataManager; |
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public class H2Store extends JDBCStore{ |
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public static final String CONNECTION_STRING = "h2"; |
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public static String DATASTORE_NAME = "H2Store"; |
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protected static Locale ukLocale = new Locale("en", "UK"); // English, UK version |
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public H2StoreParameters getParametersH2(){
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return (H2StoreParameters)this.parameters; |
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} |
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/* (non-Javadoc)
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* @see org.gvsig.fmap.data.feature.db.jdbc.JDBCStore#createResource(org.gvsig.fmap.data.feature.file.dbf.DBFStoreParameters)
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*/
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protected JDBCResource createResource(JDBCStoreParameters params) {
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return new H2Resource(params); |
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} |
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protected void initFeatureType() throws InitializeException{ |
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H2StoreParameters dParams = this.getParametersH2();
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try {
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this.defaultFeatureType = H2Utils.getFeatureType(this.getConnection(), dParams); |
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} catch (ReadException e) {
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throw new InitializeException(DATASTORE_NAME,e); |
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} |
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String[] fieldsID = dParams.getFieldsId(); |
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if (fieldsID == null || fieldsID.length < 1){ |
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throw new InitializeException("Field Id not set", |
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this.getName());
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} else if (fieldsID.length > 1){ |
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//TODO: Falta por implementar soporte para multiples ID
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throw new InitializeException("Multy fields id not supported yet", |
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this.getName());
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} else{
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for (int i=0;i<fieldsID.length;i++){ |
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if (this.getDefaultFeatureType().getFieldIndex(fieldsID[i]) < 0) { |
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throw new InitializeException("Field id '"+ fieldsID[i] +"' (id pos "+ (i+1) +") not Found", |
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this.getName());
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} |
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} |
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} |
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} |
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public DataCollection getDataCollection(FeatureType type, String filter, String order) throws ReadException { |
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if (type==null){ |
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type=getDefaultFeatureType(); |
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} else {
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if (!type.isSubtypeOf(this.getDefaultFeatureType())){ |
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throw new ReadException("invalid type",this.getName()); |
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} |
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} |
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if (useSqlSource ){
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if (filter != null || order != null || type != getDefaultFeatureType()){ |
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throw new ReadException("Unsuported filter/order in sqlSource mode",this.getName()); |
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} |
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} |
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FeatureCollection coll; |
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if (featureManager == null){ |
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coll=new H2FeatureCollection(this,(DBFeatureType)type,filter,order); |
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}else{
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if ((order != null && order != "")){ |
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coll=new H2FeatureCollectionWithFeatureID(featureManager,this,type,filter,order); |
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} else{
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if (filter == null || filter == ""){ |
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coll=new H2FeatureCollectionEditing(featureManager,this,type); |
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} else {
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coll=new H2FeatureCollectionEditingFiltered(featureManager,this,type,filter); |
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} |
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} |
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} |
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this.addObserver(new WeakReference(coll)); |
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return coll;
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} |
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protected Connection getConnection() throws ReadException{ |
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return ((H2Resource)this.resource).getConnection(); |
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} |
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protected void initSqlProperties() throws InitializeException{ |
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H2StoreParameters dParams = (H2StoreParameters)this.getParameters();
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if (dParams.getSqlSoure() != null){ |
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this.sqlSource = dParams.getSqlSoure();
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this.useSqlSource = true; |
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this.sqlSelectPart = null; |
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this.baseWhereClause = null; |
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this.baseOrder = null; |
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} else {
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this.sqlSelectPart = "SELECT " + dParams.getFieldsString() +" FROM "+ dParams.tableID(); |
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this.baseWhereClause = dParams.getBaseFilter();
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if (dParams.getWorkingArea() != null){ |
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String waWhere = getWorkingAreaWhere(dParams.getWorkingArea(), dParams.getSRISD());
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if (waWhere != null){ |
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this.baseWhereClause = "(("+this.baseWhereClause+") and "+waWhere +")"; |
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} |
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} |
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this.baseOrder = dParams.getBaseOrder();
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} |
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} |
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private String getWorkingAreaWhere(Envelope r, String strEPSG) { |
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//TODO????
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if (r==null){ |
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return null; |
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} |
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return null; |
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} |
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public boolean canAlterFeatureType() { |
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return true; |
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} |
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protected void doDispose() throws CloseException { |
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super.doDispose();
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} |
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public String getName() { |
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return DATASTORE_NAME;
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} |
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protected JDBCFeaturesWriter getFeaturesWriter() throws InitializeWriterException { |
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H2FeaturesWriter writer = new H2FeaturesWriter();
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writer.init(this);
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return writer;
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} |
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public DataExplorer getExplorer() throws ReadException { |
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DataManager dm = DataManager.getManager(); |
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H2ExplorerParameters explorerParams = (H2ExplorerParameters)dm.createDataExplorerParameters(H2Explorer.DATAEXPLORER_NAME); |
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explorerParams.loadFromStoreParameters(this.getParametersH2());
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return dm.createDataExplorer(explorerParams);
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} |
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public IMetadata getMetadata() throws BaseException{ |
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if (metadata==null){ |
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IMetadataManager manager=MetadataManager.getManager(); |
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metadata=manager.create(DATASTORE_NAME); |
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Envelope extent=this.getFullExtent();
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metadata.set("extent",extent);
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// String srs=this.getSRS();
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// metadata.set("srs",srs);
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} |
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if (this.alterMode){ |
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Envelope extent=(Envelope)metadata.get("extent");
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FeatureCollection featureCollection=(FeatureCollection)getDataCollection(); |
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if (spatialManager.isFullExtentDirty()){
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if (!featureCollection.isEmpty()){
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Iterator featureIterator=featureCollection.iterator();
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extent = ((Feature)featureIterator.next()).getExtent(); |
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while(featureIterator.hasNext()){
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Feature feature=(Feature)featureIterator.next(); |
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Envelope boundExtent=feature.getExtent(); |
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if (boundExtent!=null) { |
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extent.add(boundExtent); |
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} |
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} |
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} |
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} |
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metadata.set("extent",extent);
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} |
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return metadata;
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//
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//
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// if (metadata==null){
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// IMetadata tmp=super.getMetadata();
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//
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// return tmp;
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// }else{
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// return super.getMetadata();
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// }
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} |
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private Envelope getFullExtent() throws ReadException { |
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Envelope result = new DefaultEnvelope(2); |
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String geomField = this.getParametersH2().getDefaultGeometryField(); |
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FeatureCollection coll = (FeatureCollection) this.getDataCollection(new String[] {geomField},null,null); |
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Iterator iter = coll.iterator();
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Feature feature; |
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Geometry geom; |
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while (iter.hasNext()) {
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feature = (Feature) iter.next(); |
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geom = (Geometry) feature.getDefaultGeometry(); |
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if (geom != null) { |
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result.add(geom.getEnvelope()); |
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} |
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} |
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geom = null;
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feature = null;
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iter = null;
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coll.dispose(); |
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return result;
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} |
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protected Feature createFeatureFromResulset(ResultSet rs, DBFeatureType featureType2) throws ReadException{ |
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return new H2Feature(featureType2,this,rs); |
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} |
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/* (non-Javadoc)
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* @see org.gvsig.fmap.data.feature.FeatureStore#doRefresh()
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*/
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protected void doRefresh() throws OpenException, InitializeException { |
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this.initFeatureType();
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this.initSqlProperties();
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} |
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public boolean canWriteGeometry(int gvSIGgeometryType) { |
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try {
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return getFeaturesWriter().canWriteGeometry(gvSIGgeometryType);
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} catch (InitializeWriterException e) {
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e.printStackTrace(); |
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} |
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return false; |
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} |
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public Feature getByIndex(long index) throws ReadException { |
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// TODO Auto-generated method stub
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return null; |
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} |
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} |