svn-gvsig-desktop / trunk / org.gvsig.desktop / org.gvsig.desktop.compat.cdc / org.gvsig.fmap.dal / org.gvsig.fmap.dal.db / org.gvsig.fmap.dal.db.jdbc / src / main / java / org / gvsig / fmap / dal / store / jdbc / JDBCStoreProviderWriter.java @ 40596
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/**
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* gvSIG. Desktop Geographic Information System.
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*
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* Copyright (C) 2007-2013 gvSIG Association.
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version 3
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* of the License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
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* MA 02110-1301, USA.
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*
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* For any additional information, do not hesitate to contact us
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* at info AT gvsig.com, or visit our website www.gvsig.com.
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*/
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package org.gvsig.fmap.dal.store.jdbc; |
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import java.sql.Connection; |
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import java.sql.PreparedStatement; |
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import java.sql.SQLException; |
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import java.sql.Statement; |
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import java.util.ArrayList; |
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import java.util.Arrays; |
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import java.util.Iterator; |
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import java.util.List; |
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import org.gvsig.fmap.dal.exception.DataException; |
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import org.gvsig.fmap.dal.exception.InitializeException; |
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import org.gvsig.fmap.dal.feature.FeatureAttributeDescriptor; |
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import org.gvsig.fmap.dal.feature.FeatureRules; |
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import org.gvsig.fmap.dal.feature.FeatureType; |
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import org.gvsig.fmap.dal.feature.exception.PerformEditingException; |
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import org.gvsig.fmap.dal.feature.spi.FeatureProvider; |
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import org.gvsig.fmap.dal.feature.spi.FeatureReferenceProviderServices; |
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import org.gvsig.fmap.dal.spi.DataStoreProviderServices; |
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import org.gvsig.fmap.dal.store.db.FeatureTypeHelper; |
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import org.gvsig.fmap.dal.store.jdbc.exception.JDBCExecutePreparedSQLException; |
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import org.gvsig.fmap.dal.store.jdbc.exception.JDBCExecuteSQLException; |
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import org.gvsig.fmap.dal.store.jdbc.exception.JDBCPreparingSQLException; |
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import org.gvsig.fmap.dal.store.jdbc.exception.JDBCSQLException; |
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import org.gvsig.fmap.dal.store.jdbc.exception.JDBCUpdateWithoutChangesException; |
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import org.gvsig.tools.dynobject.DynObject; |
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import org.slf4j.Logger; |
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import org.slf4j.LoggerFactory; |
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|
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/**
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* @author jmvivo
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*
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*/
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public class JDBCStoreProviderWriter extends JDBCStoreProvider { |
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final static private Logger logger = LoggerFactory |
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.getLogger(JDBCStoreProviderWriter.class); |
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protected String appendModeSql; |
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protected List<FeatureAttributeDescriptor> appendModeAttributes; |
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public JDBCStoreProviderWriter(JDBCStoreParameters params,
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DataStoreProviderServices storeServices) |
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throws InitializeException {
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super(params, storeServices);
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} |
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protected JDBCStoreProviderWriter(JDBCStoreParameters params,
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DataStoreProviderServices storeServices, DynObject metadata) |
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throws InitializeException {
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super(params, storeServices, metadata);
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} |
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protected void addToListFeatureValues(FeatureProvider featureProvider, |
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FeatureAttributeDescriptor attrOfList, |
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FeatureAttributeDescriptor attr, List<Object> values) throws DataException { |
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if (attr == null) { |
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if (attrOfList.isPrimaryKey()) {
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throw new RuntimeException("pk attribute '" |
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+ attrOfList.getName() + "' not found in feature");
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} |
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values.add(helper |
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.dalValueToJDBC(attr, attrOfList.getDefaultValue())); |
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} else {
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values.add(helper.dalValueToJDBC(attr, featureProvider.get(attr |
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.getIndex()))); |
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} |
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} |
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protected void addToListFeatureValues(FeatureProvider featureProvider, |
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List<FeatureAttributeDescriptor> attributes, List<Object> values) throws DataException { |
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FeatureAttributeDescriptor attr, attrOfList; |
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FeatureType fType = featureProvider.getType(); |
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for (int i = 0; i < attributes.size(); i++) { |
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attrOfList = (FeatureAttributeDescriptor) attributes.get(i); |
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attr = fType.getAttributeDescriptor(attrOfList.getName()); |
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addToListFeatureValues(featureProvider, attrOfList, attr, values); |
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} |
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} |
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protected void appendToSQLPreparedPkWhereClause(StringBuilder sql, |
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List<FeatureAttributeDescriptor> pkAttributes) {
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sql.append(" Where ");
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FeatureAttributeDescriptor attr; |
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for (int i = 0; i < pkAttributes.size() - 1; i++) { |
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attr = (FeatureAttributeDescriptor) pkAttributes.get(i); |
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sql.append(helper.escapeFieldName(attr.getName())); |
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sql.append(" = ? AND ");
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} |
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attr = (FeatureAttributeDescriptor) pkAttributes.get(pkAttributes |
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.size() - 1);
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sql.append(helper.escapeFieldName(attr.getName())); |
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sql.append(" = ? ");
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} |
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protected void executeRemovePreparedStatement(Connection conn, String sql, |
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List<FeatureAttributeDescriptor> attributes, Iterator<FeatureReferenceProviderServices> featureReferences) throws DataException { |
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PreparedStatement st;
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try {
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st = conn.prepareStatement(sql); |
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} catch (SQLException e) { |
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throw new JDBCPreparingSQLException(sql, e); |
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} |
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try {
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List<Object> values = new ArrayList<Object>(); |
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FeatureReferenceProviderServices featureRef; |
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// FeatureType featureType;
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while (featureReferences.hasNext()) {
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st.clearParameters(); |
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featureRef = featureReferences.next(); |
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values.clear(); |
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// featureType = this.getFeatureStore()
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// .getFeatureType(featureRef.getFeatureTypeId());
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Iterator<FeatureAttributeDescriptor> iter = attributes.iterator();
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FeatureAttributeDescriptor attr; |
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while (iter.hasNext()) {
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attr = iter.next(); |
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values.add( helper.dalValueToJDBC(attr, featureRef |
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.getKeyValue(attr.getName()))); |
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} |
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for (int i = 0; i < values.size(); i++) { |
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st.setObject(i + 1, values.get(i));
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} |
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try {
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int nAffected =st.executeUpdate();
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if (nAffected == 0) { |
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throw new JDBCUpdateWithoutChangesException(sql, values); |
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} |
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if (nAffected > 1){ |
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logger.warn("Remove statement affectst to {} rows: {}",
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nAffected, sql); |
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} |
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} catch (SQLException e) { |
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throw new JDBCExecutePreparedSQLException(sql, values, e); |
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} |
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} |
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} catch (SQLException e) { |
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throw new JDBCSQLException(e); |
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} finally {
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try {st.close();} catch (SQLException e) { }; |
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} |
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} |
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protected void executeUpdatePreparedStatement(Connection conn, String sql, |
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List<FeatureAttributeDescriptor> attributes, Iterator<FeatureProvider> featureProviders) throws DataException { |
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PreparedStatement st;
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try {
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st = conn.prepareStatement(sql); |
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} catch (SQLException e) { |
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throw new JDBCPreparingSQLException(sql, e); |
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} |
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try {
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List<Object> values = new ArrayList<Object>(); |
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FeatureProvider featureProvider; |
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while (featureProviders.hasNext()) {
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st.clearParameters(); |
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featureProvider = (FeatureProvider) featureProviders.next(); |
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values.clear(); |
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addToListFeatureValues(featureProvider, attributes, values); |
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for (int i = 0; i < values.size(); i++) { |
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st.setObject(i + 1, values.get(i));
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} |
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try {
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if (st.executeUpdate() == 0) { |
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throw new JDBCUpdateWithoutChangesException(sql, values); |
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} |
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} catch (SQLException e) { |
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throw new JDBCExecutePreparedSQLException(sql, values, e); |
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} |
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} |
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} catch (SQLException e) { |
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throw new JDBCSQLException(e); |
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} finally {
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try {st.close();} catch (SQLException e) { }; |
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} |
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} |
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protected void performDeletes(Connection conn, Iterator<FeatureReferenceProviderServices> deleteds, List<FeatureAttributeDescriptor> pkAttributes) |
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throws DataException {
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if (pkAttributes.size() < 0) { |
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throw new RuntimeException("Operation requires missing pk"); |
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} |
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// ************ Prepare SQL ****************
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StringBuilder sqlb = new StringBuilder(); |
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sqlb.append("Delete from ");
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sqlb.append(getJDBCParameters().tableID()); |
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appendToSQLPreparedPkWhereClause(sqlb, pkAttributes); |
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String sql = sqlb.toString();
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// ************ Prepare SQL (end) ****************
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executeRemovePreparedStatement(conn, sql, pkAttributes, deleteds); |
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} |
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protected String getSqlStatementAddField(FeatureAttributeDescriptor attr, |
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List<String> additionalStatement) throws DataException { |
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StringBuilder strb = new StringBuilder(); |
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strb.append("ADD ");
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strb.append(this.helper.getSqlFieldDescription(attr));
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return strb.toString();
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} |
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protected String getSqlStatementDropField(FeatureAttributeDescriptor attr,List<String> additionalStatement) { |
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// DROP [ COLUMN ] column
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return " DROP COLUMN " |
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+ this.helper.escapeFieldName(attr.getName());
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} |
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public boolean supportsAppendMode() { |
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return true; |
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} |
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public void endAppend() throws DataException { |
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appendModeSql = null;
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appendModeAttributes = null;
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} |
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protected List<String> getSqlStatementAlterField( |
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FeatureAttributeDescriptor attrOrg, |
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FeatureAttributeDescriptor attrTrg, List<String> additionalStatement) |
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throws DataException {
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//
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List<String> actions = new ArrayList<String>(); |
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StringBuilder strb;
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if (attrOrg.getDataType() != attrTrg.getDataType()) {
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// ALTER COLUMN {col} TYPE {type} character varying(35)
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strb = new StringBuilder(); |
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strb.append("ALTER COLUMN ");
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strb.append(helper.escapeFieldName(attrTrg.getName())); |
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strb.append(" ");
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strb.append(helper.getSqlColumnTypeDescription(attrTrg)); |
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actions.add(strb.toString()); |
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} |
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if (attrOrg.allowNull() != attrTrg.allowNull()) {
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// ALTER [ COLUMN ] column { SET | DROP } NOT NULL
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strb = new StringBuilder(); |
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strb.append("ALTER COLUMN ");
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strb.append(helper.escapeFieldName(attrTrg.getName())); |
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strb.append(' ');
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if (attrTrg.allowNull()) {
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strb.append("SET ");
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} else {
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strb.append("DROP ");
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} |
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strb.append("NOT NULL");
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actions.add(strb.toString()); |
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} |
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if (attrOrg.getDefaultValue() != attrTrg.getDefaultValue()) {
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if (attrTrg.getDefaultValue() == null) { |
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// ALTER [ COLUMN ] column DROP DEFAULT
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strb = new StringBuilder(); |
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strb.append("ALTER COLUMN ");
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strb.append(helper.escapeFieldName(attrTrg.getName())); |
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strb.append(" DROP DEFAULT");
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actions.add(strb.toString()); |
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} else if (!attrTrg.getDefaultValue().equals( |
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attrOrg.getDefaultValue())) {
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// ALTER [ COLUMN ] column DROP DEFAULT
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strb = new StringBuilder(); |
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strb.append("ALTER COLUMN ");
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strb.append(helper.escapeFieldName(attrTrg.getName())); |
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strb.append(" SET DEFAULT");
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strb.append(helper.dalValueToJDBC(attrTrg, attrTrg |
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.getDefaultValue())); |
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actions.add(strb.toString()); |
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} |
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} |
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return actions;
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} |
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protected void performUpdateTable(Connection conn, FeatureType original, |
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FeatureType target) throws DataException {
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/*
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*
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* ALTER TABLE [ ONLY ] name [ * ] action [, ... ]
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*/
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List<String> toDrop = new ArrayList<String>(); |
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List<String> toAdd = new ArrayList<String>(); |
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List<String> toAlter = new ArrayList<String>(); |
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List<String> additionalStatement = new ArrayList<String>(); |
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FeatureAttributeDescriptor attrOrg; |
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FeatureAttributeDescriptor attrTrg; |
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Iterator<FeatureAttributeDescriptor> attrs = FeatureTypeHelper.iterator(original);
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while (attrs.hasNext()) {
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attrOrg = (FeatureAttributeDescriptor) attrs.next(); |
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attrTrg = target.getAttributeDescriptor(attrOrg.getName()); |
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if (attrTrg == null) { |
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toDrop.add(getSqlStatementDropField(attrOrg, |
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additionalStatement)); |
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} else {
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toAlter.addAll(getSqlStatementAlterField(attrOrg, attrTrg,additionalStatement)); |
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} |
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} |
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attrs = FeatureTypeHelper.iterator(target); |
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while (attrs.hasNext()) {
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attrTrg = (FeatureAttributeDescriptor) attrs.next(); |
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if (original.getAttributeDescriptor(attrTrg.getName()) == null) { |
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toAdd.add(getSqlStatementAddField(attrTrg, |
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additionalStatement)); |
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} |
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} |
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StringBuilder sqlb = new StringBuilder(); |
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sqlb.append("ALTER TABLE ");
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sqlb.append(getJDBCParameters().tableID()); |
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sqlb.append(' ');
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List<String> actions = new ArrayList<String>(); |
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actions.addAll(toDrop); |
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actions.addAll(toAlter); |
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actions.addAll(toAdd); |
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Iterator<String> it = actions.iterator(); |
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while (it.hasNext()) {
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if (it.next() == null) { |
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it.remove(); |
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} |
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} |
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it = additionalStatement.iterator(); |
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while (it.hasNext()) {
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if (it.next() == null) { |
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it.remove(); |
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} |
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} |
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if (actions.size() < 1) { |
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return;
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} |
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helper.stringJoin(actions, ", ", sqlb);
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String sql = sqlb.toString();
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Statement st = null; |
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try {
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st = conn.createStatement(); |
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} catch (SQLException e1) { |
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throw new JDBCSQLException(e1); |
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} |
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try {
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st.execute(sql); |
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Iterator<String> iter = additionalStatement.iterator(); |
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while (iter.hasNext()) {
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sql = (String) iter.next();
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st.execute(sql); |
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} |
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} catch (SQLException e1) { |
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throw new JDBCExecuteSQLException(sql, e1); |
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} finally {
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try {
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st.close(); |
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} catch (Exception e) { |
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logger.error("Exception closing statement", e);
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} |
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; |
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} |
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} |
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private void perfomInsert(Connection conn, PreparedStatement insertSt, |
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String sql, FeatureProvider feature, List<FeatureAttributeDescriptor> attributes) |
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throws DataException {
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try {
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insertSt.clearParameters(); |
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List<Object> values = new ArrayList<Object>(); |
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addToListFeatureValues(feature, attributes, values); |
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// FeatureAttributeDescriptor attr;
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int j = 1; |
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for (int i = 0; i < values.size(); i++) { |
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insertSt.setObject(j, values.get(i)); |
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j++; |
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} |
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if (logger.isDebugEnabled()) {
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logger.debug("Executing insert. sql={} value={}", new Object[] { |
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sql, values }); |
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} |
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try {
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insertSt.execute(); |
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} catch (SQLException e) { |
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throw new JDBCExecutePreparedSQLException(sql, values, e); |
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} |
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|
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} catch (SQLException e1) { |
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throw new JDBCSQLException(e1); |
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} |
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} |
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public void append(final FeatureProvider featureProvider) throws DataException { |
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TransactionalAction action = new TransactionalAction() {
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public Object action(Connection conn) throws DataException { |
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PreparedStatement st;
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try {
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st = conn.prepareStatement(appendModeSql); |
| 450 |
} catch (SQLException e) { |
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throw new JDBCPreparingSQLException(appendModeSql, e); |
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} |
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try {
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perfomInsert(conn, st, appendModeSql, featureProvider, |
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appendModeAttributes); |
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} finally {
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try {
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st.close(); |
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} catch (SQLException e) { |
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} |
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; |
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} |
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return null; |
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} |
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public boolean continueTransactionAllowed() { |
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return false; |
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} |
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}; |
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try {
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this.helper.doConnectionAction(action);
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resetCount(); |
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} catch (Exception e) { |
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throw new PerformEditingException(this.getProviderName(), e); |
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} |
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} |
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protected void prepareAttributeForUpdate(FeatureAttributeDescriptor attr, |
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List<String> values) { |
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values.add(helper.escapeFieldName(attr.getName()) + " = ?");
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} |
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|
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protected void prepareAttributeForInsert(FeatureAttributeDescriptor attr, |
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List<String> fields, List<String> values) { |
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fields.add(helper.escapeFieldName(attr.getName())); |
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values.add("?");
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} |
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|
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|
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protected void prepareSQLAndAttributeListForInsert(StringBuilder sqlb, |
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List<FeatureAttributeDescriptor> attributes) throws DataException { |
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/*
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* INSERT INTO table [ ( column [, ...] ) ] { DEFAULT VALUES | VALUES (
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* { expression | DEFAULT } [, ...] ) [, ...] | query } [ RETURNING * |
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* output_expression [ AS output_name ] [, ...] ]
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*/
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sqlb.append("INSERT INTO ");
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sqlb.append(getJDBCParameters().tableID()); |
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sqlb.append(" (");
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|
| 507 |
FeatureType type = this.getFeatureStore().getDefaultFeatureType();
|
| 508 |
|
| 509 |
List<String> fields = new ArrayList<String>(); |
| 510 |
List<String> values = new ArrayList<String>(); |
| 511 |
|
| 512 |
Iterator<FeatureAttributeDescriptor> iter = FeatureTypeHelper.iterator(type);
|
| 513 |
FeatureAttributeDescriptor attr; |
| 514 |
while (iter.hasNext()) {
|
| 515 |
attr = iter.next(); |
| 516 |
if (attr.isAutomatic() || attr.isReadOnly()) {
|
| 517 |
continue;
|
| 518 |
} |
| 519 |
attributes.add(attr); |
| 520 |
prepareAttributeForInsert(attr, fields, values); |
| 521 |
|
| 522 |
} |
| 523 |
if (attributes.size() < 1) { |
| 524 |
throw new RuntimeException("no fields to set"); |
| 525 |
} |
| 526 |
|
| 527 |
helper.stringJoin(fields, ", ", sqlb);
|
| 528 |
|
| 529 |
sqlb.append(") VALUES (");
|
| 530 |
helper.stringJoin(values, ", ", sqlb);
|
| 531 |
|
| 532 |
sqlb.append(") ");
|
| 533 |
|
| 534 |
} |
| 535 |
|
| 536 |
|
| 537 |
protected void performInserts(Connection conn, Iterator<FeatureProvider> inserteds) |
| 538 |
throws DataException {
|
| 539 |
|
| 540 |
StringBuilder sqlb = new StringBuilder(); |
| 541 |
List<FeatureAttributeDescriptor> attrs = new ArrayList<FeatureAttributeDescriptor>(); |
| 542 |
|
| 543 |
prepareSQLAndAttributeListForInsert(sqlb, attrs); |
| 544 |
|
| 545 |
String sql = sqlb.toString();
|
| 546 |
PreparedStatement st;
|
| 547 |
try {
|
| 548 |
st = conn.prepareStatement(sql); |
| 549 |
} catch (SQLException e) { |
| 550 |
throw new JDBCPreparingSQLException(sql, e); |
| 551 |
} |
| 552 |
try {
|
| 553 |
while (inserteds.hasNext()) {
|
| 554 |
perfomInsert(conn, st, sql, inserteds.next(), |
| 555 |
attrs); |
| 556 |
} |
| 557 |
} finally {
|
| 558 |
try {st.close();} catch (SQLException e) {logger.error("Error closing statement", e);}; |
| 559 |
} |
| 560 |
} |
| 561 |
|
| 562 |
protected void performUpdates(Connection conn, Iterator<FeatureProvider> updateds, |
| 563 |
List<FeatureAttributeDescriptor> pkAttributes) throws DataException { |
| 564 |
/*
|
| 565 |
* UPDATE [ ONLY ] table [ [ AS ] alias ] SET { column = { expression |
|
| 566 |
* DEFAULT } | ( column [, ...] ) = ( { expression | DEFAULT } [, ...] )
|
| 567 |
* } [, ...] [ FROM fromlist ] [ WHERE condition ] [ RETURNING * |
|
| 568 |
* output_expression [ AS output_name ] [, ...] ]
|
| 569 |
*/
|
| 570 |
|
| 571 |
if (pkAttributes.size() < 0) { |
| 572 |
throw new RuntimeException("Operation requires missing pk"); |
| 573 |
} |
| 574 |
|
| 575 |
// ************ Prepare SQL ****************
|
| 576 |
|
| 577 |
StringBuilder sqlb = new StringBuilder(); |
| 578 |
sqlb.append("UPDATE ");
|
| 579 |
sqlb.append(getJDBCParameters().tableID()); |
| 580 |
|
| 581 |
sqlb.append(" SET ");
|
| 582 |
|
| 583 |
List<String> values = new ArrayList<String>(); |
| 584 |
|
| 585 |
FeatureType type = this.getFeatureStore().getDefaultFeatureType();
|
| 586 |
|
| 587 |
Iterator<FeatureAttributeDescriptor> iter = FeatureTypeHelper.iterator(type);
|
| 588 |
FeatureAttributeDescriptor attr; |
| 589 |
List<FeatureAttributeDescriptor> updateAttrs = new ArrayList<FeatureAttributeDescriptor>(); |
| 590 |
while (iter.hasNext()) {
|
| 591 |
attr = iter.next(); |
| 592 |
if (attr.isPrimaryKey() || attr.isAutomatic() || attr.isReadOnly()) {
|
| 593 |
continue;
|
| 594 |
} |
| 595 |
updateAttrs.add(attr); |
| 596 |
prepareAttributeForUpdate(attr, values); |
| 597 |
|
| 598 |
} |
| 599 |
if (updateAttrs.size() < 1) { |
| 600 |
throw new RuntimeException("no fields to set"); |
| 601 |
} |
| 602 |
|
| 603 |
helper.stringJoin(values, ", ", sqlb);
|
| 604 |
|
| 605 |
sqlb.append(' ');
|
| 606 |
appendToSQLPreparedPkWhereClause(sqlb, pkAttributes); |
| 607 |
|
| 608 |
String sql = sqlb.toString();
|
| 609 |
// ************ Prepare SQL (end) ****************
|
| 610 |
|
| 611 |
updateAttrs.addAll(pkAttributes); |
| 612 |
|
| 613 |
executeUpdatePreparedStatement(conn, sql, updateAttrs, updateds); |
| 614 |
} |
| 615 |
|
| 616 |
|
| 617 |
public void beginAppend() throws DataException { |
| 618 |
StringBuilder sqlb = new StringBuilder(); |
| 619 |
List<FeatureAttributeDescriptor> attrs = new ArrayList<FeatureAttributeDescriptor>(); |
| 620 |
|
| 621 |
prepareSQLAndAttributeListForInsert(sqlb, attrs); |
| 622 |
|
| 623 |
appendModeSql = sqlb.toString(); |
| 624 |
appendModeAttributes = attrs; |
| 625 |
} |
| 626 |
|
| 627 |
|
| 628 |
protected TransactionalAction getPerformChangesAction(
|
| 629 |
final Iterator<FeatureReferenceProviderServices> deleteds, |
| 630 |
final Iterator<FeatureProvider> inserteds, |
| 631 |
final Iterator<FeatureProvider> updateds, |
| 632 |
final Iterator<FeatureTypeChanged> featureTypesChanged) { |
| 633 |
|
| 634 |
TransactionalAction action = new TransactionalAction() {
|
| 635 |
|
| 636 |
public Object action(Connection conn) throws DataException { |
| 637 |
|
| 638 |
if (featureTypesChanged.hasNext()) {
|
| 639 |
|
| 640 |
FeatureTypeChanged item = featureTypesChanged.next(); |
| 641 |
performUpdateTable(conn, item.getSource(), item.getTarget()); |
| 642 |
} |
| 643 |
|
| 644 |
List<FeatureAttributeDescriptor> pkAttributes = null; |
| 645 |
if (deleteds.hasNext() || updateds.hasNext()) {
|
| 646 |
pkAttributes = Arrays.asList(getFeatureStore()
|
| 647 |
.getDefaultFeatureType() |
| 648 |
.getPrimaryKey()); |
| 649 |
} |
| 650 |
|
| 651 |
if (deleteds.hasNext()) {
|
| 652 |
performDeletes(conn, deleteds, pkAttributes); |
| 653 |
} |
| 654 |
|
| 655 |
if (updateds.hasNext()) {
|
| 656 |
performUpdates(conn, updateds, pkAttributes); |
| 657 |
} |
| 658 |
|
| 659 |
if (inserteds.hasNext()) {
|
| 660 |
performInserts(conn, inserteds); |
| 661 |
} |
| 662 |
|
| 663 |
return null; |
| 664 |
} |
| 665 |
|
| 666 |
public boolean continueTransactionAllowed() { |
| 667 |
return false; |
| 668 |
} |
| 669 |
|
| 670 |
}; |
| 671 |
|
| 672 |
return action;
|
| 673 |
|
| 674 |
} |
| 675 |
|
| 676 |
@SuppressWarnings("unchecked") |
| 677 |
public void performChanges(Iterator deleteds, Iterator inserteds, |
| 678 |
Iterator updateds, Iterator featureTypesChanged) |
| 679 |
throws PerformEditingException {
|
| 680 |
|
| 681 |
boolean countChanged = deleteds.hasNext() || inserteds.hasNext();
|
| 682 |
|
| 683 |
try {
|
| 684 |
this.helper.doConnectionAction(getPerformChangesAction(deleteds,
|
| 685 |
inserteds, updateds, featureTypesChanged)); |
| 686 |
|
| 687 |
/*
|
| 688 |
* Get rules before initializing feature type
|
| 689 |
*/
|
| 690 |
FeatureRules old_rules = getFeatureStore().getDefaultFeatureType().getRules(); |
| 691 |
|
| 692 |
/*
|
| 693 |
* This initialization loses the feature type rules
|
| 694 |
*/
|
| 695 |
this.initFeatureType();
|
| 696 |
|
| 697 |
/*
|
| 698 |
* Get new feature type, clear rules and add
|
| 699 |
* the ones saved previously
|
| 700 |
*/
|
| 701 |
FeatureType ft = getFeatureStore().getDefaultFeatureType(); |
| 702 |
FeatureRules new_rules = ft.getRules(); |
| 703 |
new_rules.clear(); |
| 704 |
for (int i=0; i<old_rules.size(); i++) { |
| 705 |
new_rules.add(old_rules.getRule(i)); |
| 706 |
} |
| 707 |
// ===================================================
|
| 708 |
|
| 709 |
if (countChanged) {
|
| 710 |
resetCount(); |
| 711 |
} |
| 712 |
|
| 713 |
} catch (Exception e) { |
| 714 |
throw new PerformEditingException(this.getProviderName(), e); |
| 715 |
} |
| 716 |
} |
| 717 |
|
| 718 |
|
| 719 |
public boolean allowWrite() { |
| 720 |
if (directSQLMode) {
|
| 721 |
return false; |
| 722 |
} |
| 723 |
if (getJDBCParameters().getPkFields() == null |
| 724 |
|| getJDBCParameters().getPkFields().length > 0) {
|
| 725 |
FeatureType ft = null;
|
| 726 |
try {
|
| 727 |
ft = this.getFeatureStore().getDefaultFeatureType();
|
| 728 |
} catch (DataException e) {
|
| 729 |
logger.error("Excepton get default Feature Type", e);
|
| 730 |
} |
| 731 |
|
| 732 |
if (ft == null) { |
| 733 |
return false; |
| 734 |
} |
| 735 |
FeatureAttributeDescriptor attr; |
| 736 |
Iterator<FeatureAttributeDescriptor> iter = FeatureTypeHelper.iterator(ft);
|
| 737 |
while (iter.hasNext()) {
|
| 738 |
attr = (FeatureAttributeDescriptor) iter.next(); |
| 739 |
if (attr.isPrimaryKey()) {
|
| 740 |
return true; |
| 741 |
} |
| 742 |
} |
| 743 |
return false; |
| 744 |
|
| 745 |
} else {
|
| 746 |
return true; |
| 747 |
} |
| 748 |
} |
| 749 |
} |