Application: gvSIG desktop

/**

 * gvSIG. Desktop Geographic Information System.

 *

 * Copyright (C) 2007-2020 gvSIG Association.

 *

 * This program is free software; you can redistribute it and/or

 * modify it under the terms of the GNU General Public License

 * as published by the Free Software Foundation; either version 3

 * of the License, or (at your option) any later version.

 *

 * This program is distributed in the hope that it will be useful,

 * but WITHOUT ANY WARRANTY; without even the implied warranty of

 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the

 * GNU General Public License for more details.

 *

 * You should have received a copy of the GNU General Public License

 * along with this program; if not, write to the Free Software

 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,

 * MA  02110-1301, USA.

 *

 * For any additional information, do not hesitate to contact us

 * at info AT gvsig.com, or visit our website www.gvsig.com.

 */

package org.gvsig.fmap.dal.store.jdbc2.spi.operations;

import java.util.Iterator;

import java.util.List;

import org.apache.commons.lang3.StringUtils;

import org.apache.commons.lang3.tuple.Pair;

import org.cresques.cts.IProjection;

import org.gvsig.fmap.dal.exception.DataException;

import org.gvsig.fmap.dal.feature.EditableFeatureType;

import org.gvsig.fmap.dal.feature.FeatureQuery;

import org.gvsig.fmap.dal.feature.FeatureType;

import org.gvsig.fmap.dal.SQLBuilder;

import org.gvsig.fmap.dal.feature.spi.FeatureReferenceProviderServices;

import org.gvsig.fmap.dal.store.jdbc.JDBCNewStoreParameters;

import org.gvsig.fmap.dal.store.jdbc.JDBCServerExplorerParameters;

import org.gvsig.fmap.dal.store.jdbc.JDBCStoreParameters;

import org.gvsig.fmap.dal.store.jdbc2.JDBCHelper;

import org.gvsig.fmap.dal.store.jdbc2.OperationsFactory;

import org.gvsig.fmap.geom.primitive.Envelope;

public class OperationsFactoryBase implements OperationsFactory {

    public static class DefaultTableReference implements TableReference {

        private final String database;

        private final String schema;

        private final String table;

        private final String subquery;

        public DefaultTableReference(String database, String schema, String table, String subquery) {

            this.database = StringUtils.defaultIfBlank(database, null);

            this.schema = StringUtils.defaultIfBlank(schema, null);

            this.table = StringUtils.defaultIfBlank(table, null);

            this.subquery = StringUtils.defaultIfBlank(subquery, null);

        }

        @Override

        public String getDatabase() {

            return this.database;

        }

        @Override

        public String getSchema() {

            return this.schema;

        }

        @Override

        public String getTable() {

            return this.table;

        }

        @Override

        public String getSubquery() {

            return this.subquery;

        }

        @Override

        public boolean hasDatabase() {

            return this.database != null;

        }

        @Override

        public boolean hasSchema() {

            return this.schema != null;

        }

        @Override

        public boolean hasTable() {

            return this.table != null;

        }

        @Override

        public boolean hasSubquery() {

            return this.subquery != null;

        }

        @Override

        public String toString() {

            StringBuilder builder = new StringBuilder();

            if( this.hasDatabase() ) {

                builder.append(this.database);

                builder.append(".");

            }

            if( this.hasSchema()) {

                builder.append(this.schema);

                builder.append(".");

            }

            builder.append(this.table);

            if( this.hasSubquery() ) {

                builder.append("[");

                builder.append(this.subquery);

                builder.append("]");

            }

            return builder.toString();

        }

    }

    protected final JDBCHelper helper;

    public OperationsFactoryBase(JDBCHelper helper) {

        this.helper = helper;

    }

    @Override

    public TableReference createTableReference(JDBCStoreParameters params) {

        TableReference t = new DefaultTableReference(

                params.getDBName(),

                params.getSchema(),

                params.getTable(),

                params.getSQL()

        );

        return t;

    }

    @Override

    public TableReference createTableReference(JDBCNewStoreParameters params) {

        TableReference t = new DefaultTableReference(

                params.getDBName(),

                params.getSchema(),

                params.getTable(),

                null

        );

        return t;

    }

    @Override

    public TableReference createTableReference(String database, String schema, String table, String subquery) {

        TableReference t = new DefaultTableReference(database, schema, table, subquery);

        return t;

    }

    @Override

    public FetchFeatureTypeOperation createFetchFeatureType(

            EditableFeatureType type, 

            TableReference table, 

            List<String> primaryKeys, 

            String defaultGeometryField, 

            IProjection crs

        ) {

        return new FetchFeatureTypeOperation(helper, type, table, 

                primaryKeys, defaultGeometryField, crs);

    }

    @Override

    public FetchFeatureProviderByReferenceOperation createFetchFeatureProviderByReference(

            FeatureReferenceProviderServices reference, 

            FeatureType featureType, 

            TableReference table

        ) {

        return new FetchFeatureProviderByReferenceOperation(helper, reference, 

                featureType, table);

    }

    @Override

    public CalculateEnvelopeOfColumnOperation createCalculateEnvelopeOfColumn(

            FeatureType featureType,

            TableReference table, 

            String columnName, 

            String baseFilter, 

            Envelope workingArea, 

            IProjection crs

        ) {

        return new CalculateEnvelopeOfColumnOperation(helper, 

                featureType, table, columnName, baseFilter, workingArea, crs);

    }

    @Override

    public PerformChangesOperation createPerformChanges(

            TableReference table, 

            FeatureType type, 

            Iterator deleteds, 

            Iterator inserteds, 

            Iterator updateds, 

            Iterator featureTypesChanged

        ) {

        return new PerformChangesOperation(helper, table, type, 

                deleteds, inserteds, updateds, featureTypesChanged);

    }

    @Override

    public AppendOperation createAppend(

            TableReference table, 

            FeatureType type

        ) {

        return new AppendOperation(helper, table, type);

    }

    @Override

    public CountOperation createCount(

            FeatureType featureType,

            TableReference table, 

            String baseFilter, 

            FeatureQuery query

        ) {

        return new CountOperation(helper, featureType, table, baseFilter, query);

    }

    @Override

    public TableIsEmptyOperation createTableIsEmpty(

            FeatureType featureType,

            TableReference table,

            String baseFilter, 

            String filter

        ) {

        return new TableIsEmptyOperation(helper, featureType, table, baseFilter, filter);

    }

    @Override

    public ResultSetForSetProviderOperation createResultSetForSetProvider(

            TableReference table, 

            String baseFilter, 

            String baseOrder, 

            FeatureQuery query, 

            FeatureType storeType, 

            FeatureType setType, 

            long limit, 

            long offset, 

            int fetchSize

        ) {

        return new ResultSetForSetProviderOperation(helper, table, 

                baseFilter, baseOrder, query, storeType, setType, 

                limit, offset, fetchSize);

    }

    @Override

    public ListTablesOperation createListTables(

            int mode,

            JDBCServerExplorerParameters baseParameters, 

            boolean informationTables

        ) {

        return new ListTablesOperation(

                helper, mode, baseParameters, informationTables );

    }

    @Override

    public DropTableOperation createDropTable( 

            TableReference tableName            

        ) {

        return new DropTableOperation(helper, tableName);

    }

    @Override

    public CreateTableOperation createTable(

            TableReference table, 

            FeatureType type, 

            List<Pair<String, SQLBuilder.Privilege>> userAndPrivileges, 

            List<String> additionalSQLs

        ) throws DataException {

        return new CreateTableOperation(

                helper, table, type, 

                userAndPrivileges, additionalSQLs

        );

    }

    @Override

    public CanCreateTablesOperation createCanCreateTables() {

        return new CanCreateTablesOperation(helper);

    }

    @Override

    public UpdateTableStatisticsOperation createUpdateTableStatistics(

            TableReference table

        ) {

        return new UpdateTableStatisticsOperation(helper, table);

    }

    @Override

    public CanModifyTableOperation createCanModifyTableOperation(

            TableReference table

        ) {

        return new CanModifyTableOperation(helper, table);

    }

    @Override

    public ExecuteOperation createExecute(String sql) {

        return new ExecuteOperation(helper, sql);

    }

}