Java tutorial
/* * Copyright 2007-2107 the original author or authors. * * 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 net.ymate.platform.persistence.jdbc.support; import java.util.List; import net.ymate.platform.persistence.base.ConnectionException; import net.ymate.platform.persistence.base.OperatorException; import net.ymate.platform.persistence.jdbc.ISession; import net.ymate.platform.persistence.jdbc.JDBC; import net.ymate.platform.persistence.jdbc.operator.IResultSetHandler; import net.ymate.platform.persistence.support.PageResultSet; import org.apache.commons.lang.StringUtils; /** * <p> * AbstractEntityRepository * </p> * <p> * ?; * </p> * * @author (suninformation@163.com) * @version 0.0.0 * <table style="border:1px solid gray;"> * <tr> * <th width="100px">?</th><th width="100px"></th><th * width="100px"></th><th width="100px"></th> * </tr> * <!-- Table ?? --> * <tr> * <td>0.0.0</td> * <td></td> * <td></td> * <td>2013-7-16?1:06:46</td> * </tr> * </table> */ public abstract class AbstractEntityRepository implements IEntityRepository { private String __dsName; /** * */ public AbstractEntityRepository() { } /* (non-Javadoc) * @see net.ymate.platform.persistence.jdbc.support.IEntityRepository#setDataSourceName(java.lang.String) */ public void setDataSourceName(String dsName) { this.__dsName = dsName; } /** * @return ?????????? */ protected String getDataSourceName() { return StringUtils.defaultIfEmpty(this.__dsName, JDBC.DATASOURCE_DEFAULT_NAME); } /* (non-Javadoc) * @see net.ymate.platform.persistence.jdbc.support.IEntityRepository#load(java.lang.Class, java.lang.Object, java.lang.String[]) */ public <T, PK> T load(Class<T> t, PK id, String... fieldFilter) throws OperatorException, ConnectionException { ISession _session = JDBC.openSession(this.getDataSourceName()); try { return _session.find(t, id, fieldFilter); } finally { _session.close(); } } /* (non-Javadoc) * @see net.ymate.platform.persistence.jdbc.support.IEntityRepository#save(java.lang.Object) */ public <T> T save(T entity) throws OperatorException, ConnectionException { ISession _session = JDBC.openSession(getDataSourceName()); try { return _session.insert(entity); } finally { _session.close(); } } /* (non-Javadoc) * @see net.ymate.platform.persistence.jdbc.support.IEntityRepository#saveAll(java.util.List) */ public <T> List<T> saveAll(List<T> entities) throws OperatorException, ConnectionException { ISession _session = JDBC.openSession(getDataSourceName()); try { return _session.insertAll(entities); } finally { _session.close(); } } /* (non-Javadoc) * @see net.ymate.platform.persistence.jdbc.support.IEntityRepository#update(java.lang.Object, java.lang.String[]) */ public <T> T update(T entity, String... fieldFilter) throws OperatorException, ConnectionException { ISession _session = JDBC.openSession(getDataSourceName()); try { return _session.update(entity, fieldFilter); } finally { _session.close(); } } /* (non-Javadoc) * @see net.ymate.platform.persistence.jdbc.support.IEntityRepository#updateAll(java.util.List, java.lang.String[]) */ public <T> List<T> updateAll(List<T> entities, String... fieldFilter) throws OperatorException, ConnectionException { ISession _session = JDBC.openSession(getDataSourceName()); try { return _session.updateAll(entities, fieldFilter); } finally { _session.close(); } } /* (non-Javadoc) * @see net.ymate.platform.persistence.jdbc.support.IEntityRepository#delete(java.lang.Object) */ public <T> T delete(T entity) throws OperatorException, ConnectionException { ISession _session = JDBC.openSession(getDataSourceName()); try { return _session.delete(entity); } finally { _session.close(); } } /* (non-Javadoc) * @see net.ymate.platform.persistence.jdbc.support.IEntityRepository#delete(java.lang.Class, java.lang.Object) */ public <T, PK> boolean delete(Class<T> t, PK pk) throws OperatorException, ConnectionException { ISession _session = JDBC.openSession(getDataSourceName()); try { return (_session.delete(t, pk) > 0); } finally { _session.close(); } } /* (non-Javadoc) * @see net.ymate.platform.persistence.jdbc.support.IEntityRepository#deleteAll(java.util.List) */ public <T> List<T> deleteAll(List<T> entities) throws OperatorException, ConnectionException { ISession _session = JDBC.openSession(getDataSourceName()); try { return _session.deleteAll(entities); } finally { _session.close(); } } /* (non-Javadoc) * @see net.ymate.platform.persistence.jdbc.support.IEntityRepository#deleteAll(java.lang.Class, java.lang.Object[]) */ public <T> int[] deleteAll(Class<T> t, Object[] ids) throws OperatorException, ConnectionException { ISession _session = JDBC.openSession(getDataSourceName()); try { return _session.deleteAll(t, ids); } finally { _session.close(); } } /* (non-Javadoc) * @see net.ymate.platform.persistence.jdbc.support.IEntityRepository#findAll(java.lang.Class, java.lang.String, java.lang.Object[], java.lang.String[]) */ public <T> List<T> findAll(Class<T> t, String cond, Object[] params, String... fieldFilter) throws OperatorException, ConnectionException { ISession _session = JDBC.openSession(this.getDataSourceName()); try { return _session.findAll(t, cond, fieldFilter, params); } finally { _session.close(); } } /* (non-Javadoc) * @see net.ymate.platform.persistence.jdbc.support.IEntityRepository#findAll(java.lang.Class, java.lang.String, java.lang.Object[], int, int, boolean, java.lang.String[]) */ public <T> PageResultSet<T> findAll(Class<T> t, String cond, Object[] params, int pageSize, int currentPage, boolean allowRecordCount, String... fieldFilter) throws OperatorException, ConnectionException { ISession _session = JDBC.openSession(this.getDataSourceName()); try { return _session.findAll(t, cond, fieldFilter, pageSize, currentPage, allowRecordCount, params); } finally { _session.close(); } } /* (non-Javadoc) * @see net.ymate.platform.persistence.jdbc.support.IEntityRepository#findAll(java.lang.String, net.ymate.platform.persistence.jdbc.operator.IResultSetHandler, java.lang.Object[]) */ public <T> List<T> findAll(String sql, IResultSetHandler<T> handler, Object[] params) throws OperatorException, ConnectionException { ISession _session = JDBC.openSession(this.getDataSourceName()); try { return _session.findAll(sql, handler, params); } finally { _session.close(); } } /* (non-Javadoc) * @see net.ymate.platform.persistence.jdbc.support.IEntityRepository#findAll(java.lang.String, net.ymate.platform.persistence.jdbc.operator.IResultSetHandler, int, int, boolean, java.lang.Object[]) */ public <T> PageResultSet<T> findAll(String sql, IResultSetHandler<T> handler, int pageSize, int page, boolean count, Object[] params) throws OperatorException, ConnectionException { ISession _session = JDBC.openSession(this.getDataSourceName()); try { return _session.findAll(sql, handler, pageSize, page, count, params); } finally { _session.close(); } } /* (non-Javadoc) * @see net.ymate.platform.persistence.jdbc.support.IEntityRepository#executeForUpdate(java.lang.String, java.lang.Object[]) */ public int executeForUpdate(String sql, Object[] params) throws OperatorException, ConnectionException { ISession _session = JDBC.openSession(this.getDataSourceName()); try { return _session.executeForUpdate(sql, params); } finally { _session.close(); } } /* (non-Javadoc) * @see net.ymate.platform.persistence.jdbc.support.IEntityRepository#executeForUpdateAll(java.lang.String, java.util.List) */ public int[] executeForUpdateAll(String sql, List<Object[]> params) throws OperatorException, ConnectionException { ISession _session = JDBC.openSession(this.getDataSourceName()); try { return _session.executeForUpdateAll(sql, params); } finally { _session.close(); } } }