svn-gvsig-desktop / branches / v2_0_0_prep / libraries / libFMap_dataDB / src / org / gvsig / data / datastores / vectorial / db / jdbc / postgresqlbin / PostgresqlBinStore.java @ 20973
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package org.gvsig.data.datastores.vectorial.db.jdbc.postgresqlbin; |
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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.sql.Statement; |
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import java.util.Locale; |
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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.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.JDBCStoreParameters; |
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import org.gvsig.data.datastores.vectorial.db.jdbc.postgresql.PostgresqlStore; |
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import org.gvsig.data.datastores.vectorial.db.jdbc.postgresql.PostgresqlStoreParameters; |
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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 PostgresqlBinStore extends PostgresqlStore{ |
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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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protected static Locale ukLocale = new Locale("en", "UK"); // English, UK version |
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PostgresqlBinStoreParameters getParametersPostgresql(){
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return (PostgresqlBinStoreParameters)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 PostgresqlBinResource((PostgresqlBinStoreParameters)params); |
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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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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 PostgresqlBinFeatureCollection(this,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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} |
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this.addObserver(new WeakReference(coll)); |
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return coll;
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} |
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public IFeature getFeatureByID(IFeatureType featureType2, Object[] featureKey) throws ReadException{ |
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if (useSqlSource){
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throw new ReadException(this.getName(), |
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new UnsupportedOperationException("Unsuported featureByID in sqlSource mode")); |
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} |
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ResultSet rs=null; |
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try{
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this.open();
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Statement st=this.getConnection().createStatement( |
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ResultSet.TYPE_SCROLL_INSENSITIVE,
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ResultSet.CONCUR_READ_ONLY);
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String sql = this.getSqlSelectPart() + |
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" WHERE "+
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this.getFilterForID(
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(DBFeatureType)this.getDefaultFeatureType(),
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featureKey); |
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String cursorName = PostgresqlBinStoreUtils.createCursorName();
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String mSql="BEGIN"; |
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st.execute(mSql); |
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mSql="declare " + cursorName + " binary cursor for " + sql; |
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st.execute(mSql); |
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rs=st.executeQuery("fetch 1 in "+ cursorName);
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if (rs.isLast()) {
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return null; |
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}else{
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if(rs.next()){
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return this.createFeatureFromResulset( |
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rs, |
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(DBFeatureType)this.getDefaultFeatureType());
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} |
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} |
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} catch (java.sql.SQLException e) {
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e.printStackTrace(); |
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throw new ReadException(this.getName(), e); |
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} finally{
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if (rs != null) |
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try {
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rs.close(); |
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} catch (java.sql.SQLException e) {
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// TODO ?????
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e.printStackTrace(); |
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} |
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} |
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return null; |
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} |
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/* (non-Javadoc)
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* @see org.gvsig.data.datastores.vectorial.db.jdbc.postgresql.PostgresqlStore#getConnection()
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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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public boolean canAlterFeatureType() { |
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return true; |
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} |
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public JDBCFeaturesWriter getFeaturesWriter() {
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// IFeaturesWriter writer = new H2FeaturesWriter();
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// writer.init(this);
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// return writer;
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return null; |
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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 boolean isEditable() { |
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return false; |
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// return super.isEditable();
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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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return new PostgresqlBinFeature(featureType2,this,rs); |
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} |
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} |