svn-gvsig-desktop / branches / v2_0_0_prep / libraries / libFMap_dataDB / src / org / gvsig / data / datastores / vectorial / db / jdbc / postgresql / PostgresqlStore.java @ 20973
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package org.gvsig.data.datastores.vectorial.db.jdbc.postgresql; |
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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 org.gvsig.data.CloseException; |
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import org.gvsig.data.IDataCollection; |
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import org.gvsig.data.IDataExplorer; |
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import org.gvsig.data.InitializeException; |
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import org.gvsig.data.OpenException; |
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import org.gvsig.data.ReadException; |
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import org.gvsig.data.datastores.vectorial.InitializeWriterException; |
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import org.gvsig.data.datastores.vectorial.db.DBFeatureType; |
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import org.gvsig.data.datastores.vectorial.db.jdbc.JDBCFeaturesWriter; |
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import org.gvsig.data.datastores.vectorial.db.jdbc.JDBCResource; |
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import org.gvsig.data.datastores.vectorial.db.jdbc.JDBCStore; |
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import org.gvsig.data.datastores.vectorial.db.jdbc.JDBCStoreParameters; |
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import org.gvsig.data.spatialprovisional.IExtent; |
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import org.gvsig.data.vectorial.IFeature; |
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import org.gvsig.data.vectorial.IFeatureCollection; |
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import org.gvsig.data.vectorial.IFeatureType; |
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import org.gvsig.metadata.IMetadata; |
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public class PostgresqlStore extends JDBCStore{ |
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public static final String CONNECTION_STRING = "postgresql"; |
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public static String DATASTORE_NAME = "PostgresqlStore"; |
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PostgresqlStoreParameters getParametersPostgresql(){
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return (PostgresqlStoreParameters)this.parameters; |
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} |
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/* (non-Javadoc)
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* @see org.gvsig.data.datastores.vectorial.db.jdbc.JDBCStore#createResource(org.gvsig.data.datastores.vectorial.file.dbf.DBFStoreParameters)
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*/
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protected JDBCResource createResource(JDBCStoreParameters params) {
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return new PostgresqlResource((PostgresqlStoreParameters)params); |
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} |
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protected void initFeatureType() throws InitializeException{ |
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PostgresqlStoreParameters dParams = this.getParametersPostgresql();
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try {
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this.defaultFeatureType = PostgresqlStoreUtils.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( |
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DATASTORE_NAME, |
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new Exception("Field Id not set")); |
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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( |
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DATASTORE_NAME, |
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new Exception("Multy fields id not supported yet")); |
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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( |
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DATASTORE_NAME, |
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new Exception("Field id '"+ fieldsID[i] +"' (id pos "+ (i+1) +") not Found")); |
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} |
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} |
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} |
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} |
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public IDataCollection getDataCollection(IFeatureType type, String filter, String order) throws ReadException { |
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if (useSqlSource ){
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if (filter != null || order != null){ |
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throw new ReadException(DATASTORE_NAME, |
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new UnsupportedOperationException("Unsuported filter/order in sqlSource mode")); |
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} |
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} |
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if (type==null){ |
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type=getDefaultFeatureType(); |
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} |
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IFeatureCollection coll=null;
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if (featureManager == null){ |
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coll=new PostgresqlFeatureCollection(this,type,filter,order); |
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}else{
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if ((order != null && order != "")){ |
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coll=new PostgresqlFeatureCollectionWithFeatureID(featureManager,this,type,filter,order); |
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} else{
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if (filter == null || filter == ""){ |
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coll=new PostgresqlFeatureCollectionEditing(featureManager,this,type); |
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} else {
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coll=new PostgresqlFeatureCollectionEditingFiltered(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 super.getConnection(); |
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} |
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protected void initSqlProperties() throws InitializeException{ |
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PostgresqlStoreParameters dParams = (PostgresqlStoreParameters)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(IExtent 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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JDBCFeaturesWriter writer = new PostgresqlFeaturesWriter();
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writer.init(this);
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return writer;
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} |
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public IDataExplorer getExplorer() {
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// TODO Auto-generated method stub
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return null; |
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} |
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public IMetadata getMetadata() {
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if (metadata==null){ |
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IMetadata tmp=super.getMetadata();
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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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protected IFeature createFeatureFromResulset(ResultSet rs, DBFeatureType featureType2) throws ReadException { |
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if (featureType2== null){ |
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return new PostgresqlFeature(this.getDefaultFeatureType(),this,rs); |
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}else{
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return new PostgresqlFeature(featureType2,this,rs); |
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} |
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} |
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/* (non-Javadoc)
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* @see org.gvsig.data.vectorial.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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} |