| /* |
| * Copyright (c) 2010, Stanislav Muhametsin. All Rights Reserved. |
| * Copyright (c) 2010, Paul Merlin. All Rights Reserved. |
| * |
| * Licensed under the Apache License, Version 2.0 (the "License"); |
| * you may not use this file except in compliance with the License. |
| * You may obtain a copy of the License at http://www.apache.org/licenses/LICENSE-2.0 |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| * |
| */ |
| package org.apache.zest.entitystore.sql.internal; |
| |
| import java.sql.Connection; |
| import java.sql.PreparedStatement; |
| import java.sql.SQLException; |
| import org.apache.zest.api.entity.EntityReference; |
| import org.apache.zest.api.injection.scope.This; |
| |
| public abstract class DatabaseSQLServiceStatementsMixin |
| implements DatabaseSQLService |
| { |
| |
| @This |
| private DatabaseSQLStringsBuilder sqlStrings; |
| |
| // |
| // Used by the EntityStore, will probably remain the same even if we support several sql servers |
| // |
| @Override |
| public PreparedStatement prepareGetAllEntitiesStatement( Connection connection ) |
| throws SQLException |
| { |
| return connection.prepareStatement( sqlStrings.buildSQLForSelectAllEntitiesStatement() ); |
| } |
| |
| @Override |
| public PreparedStatement prepareGetEntityStatement( Connection connection ) |
| throws SQLException |
| { |
| return connection.prepareStatement( sqlStrings.buildSQLForSelectEntityStatement() ); |
| } |
| |
| @Override |
| public PreparedStatement prepareInsertEntityStatement( Connection connection ) |
| throws SQLException |
| { |
| return connection.prepareStatement( sqlStrings.buildSQLForInsertEntityStatement() ); |
| } |
| |
| @Override |
| public PreparedStatement prepareRemoveEntityStatement( Connection connection ) |
| throws SQLException |
| { |
| return connection.prepareStatement( sqlStrings.buildSQLForRemoveEntityStatement() ); |
| } |
| |
| @Override |
| public PreparedStatement prepareUpdateEntityStatement( Connection connection ) |
| throws SQLException |
| { |
| return connection.prepareStatement( sqlStrings.buildSQLForUpdateEntityStatement() ); |
| } |
| |
| // |
| // Populate statement methods, to move in a separated fragment if needed for multi sql server support |
| // |
| @Override |
| public void populateGetAllEntitiesStatement( PreparedStatement ps ) |
| throws SQLException |
| { |
| // Nothing to do. |
| } |
| |
| @Override |
| public void populateGetEntityStatement( PreparedStatement ps, EntityReference ref ) |
| throws SQLException |
| { |
| ps.setString( 1, ref.identity() ); |
| } |
| |
| @Override |
| public void populateInsertEntityStatement( PreparedStatement ps, EntityReference ref, String entity, Long lastModified ) |
| throws SQLException |
| { |
| ps.setString( 1, ref.identity() ); |
| ps.setString( 2, entity ); |
| ps.setLong( 3, lastModified ); |
| } |
| |
| @Override |
| public void populateRemoveEntityStatement( PreparedStatement ps, Long entityPK, EntityReference ref ) |
| throws SQLException |
| { |
| ps.setLong( 1, entityPK ); |
| } |
| |
| @Override |
| public void populateUpdateEntityStatement( PreparedStatement ps, Long entityPK, Long entityOptimisticLock, EntityReference ref, String entity, Long lastModified ) |
| throws SQLException |
| { |
| ps.setLong( 1, entityOptimisticLock + 1 ); |
| ps.setString( 2, entity ); |
| ps.setLong( 3, lastModified ); |
| ps.setLong( 4, entityPK ); |
| ps.setLong( 5, entityOptimisticLock ); |
| } |
| |
| } |