/**
* 获取查询sql <功能详细描述>
*
* @return [参数说明]
* @return String [返回类型说明]
* @exception throws [异常类型] [异常说明]
* @see [类、类#方法、类#成员]
*/
public String updateSql(Object obj) {
AssertUtils.notEmpty(obj, "update obj must not empty.");
// 获取当前对象中有哪些属性
MetaObject metaObject = MetaObjectUtils.forObject(obj);
Set<String> keySet = new HashSet<String>();
for (String getterName : metaObject.getGetterNames()) {
keySet.add(getterName);
}
AssertUtils.isTrue(
keySet.contains(this.pkName),
"obj:{} must contains pk{}.",
new Object[] {obj, this.pkName});
// 构建query语句
SqlBuilder.BEGIN();
SqlBuilder.UPDATE(this.tableName);
for (String propertyName : updateAblePropertyNames) {
if (!keySet.contains(propertyName)) {
continue;
}
// Object value = metaObject.getValue(propertyName);
String columnName = getter2columnNameMapping.get(propertyName);
SqlBuilder.SET(columnName + " = ?");
}
SqlBuilder.WHERE(this.getter2columnNameMapping.get(this.pkName) + " = ? ");
String updateSql = SqlBuilder.SQL();
SqlBuilder.RESET();
return updateSql;
}
/**
* 获取查询条件的Setter对象 <功能详细描述>
*
* @param obj
* @return [参数说明]
* @return PreparedStatementSetter [返回类型说明]
* @exception throws [异常类型] [异常说明]
* @see [类、类#方法、类#成员]
*/
public PreparedStatementSetter getUpdateSetter(Object obj) {
AssertUtils.notEmpty(obj, "update obj must not empty.");
// 获取当前对象中有哪些属性
final MetaObject metaObject = MetaObjectUtils.forObject(obj);
final Set<String> keySet = new HashSet<String>();
for (String getterName : metaObject.getGetterNames()) {
keySet.add(getterName);
}
AssertUtils.isTrue(
keySet.contains(this.pkName),
"obj:{} must contains pk{}.",
new Object[] {obj, this.pkName});
final String finalPkName = this.pkName;
PreparedStatementSetter res =
new PreparedStatementSetter() {
@Override
public void setValues(PreparedStatement ps) throws SQLException {
int i = 1;
for (String propertyNameTemp : updateAblePropertyNames) {
if (!keySet.contains(propertyNameTemp)) {
continue;
}
Object valueObj = metaObject.getValue(propertyNameTemp);
Class<?> setterType = getter2JavaTypeMapping.get(propertyNameTemp);
JdbcUtils.setPreparedStatementValueForSimpleType(ps, i++, valueObj, setterType);
}
Class<?> setterType = getter2JavaTypeMapping.get(finalPkName);
JdbcUtils.setPreparedStatementValueForSimpleType(
ps, i, metaObject.getValue(finalPkName), setterType);
}
};
return res;
}
/**
* 获取删除语句<br>
* <功能详细描述>
*
* @return [参数说明]
* @return String [返回类型说明]
* @exception throws [异常类型] [异常说明]
* @see [类、类#方法、类#成员]
*/
public String deleteSql() {
AssertUtils.notEmpty(this.pkName, "pkName is empty.");
AssertUtils.isTrue(
this.getter2columnNameMapping.containsKey(this.pkName),
"property2columnNameMapping not contains pkName:{}.",
this.pkName);
// 开始构建sql
SqlBuilder.BEGIN();
SqlBuilder.DELETE_FROM(this.tableName);
SqlBuilder.WHERE(this.getter2columnNameMapping.get(this.pkName) + " = ? ");
String deleteSql = SqlBuilder.SQL();
SqlBuilder.RESET();
return deleteSql;
}
/**
* 获取查询单条数据的sql <功能详细描述>
*
* @return [参数说明]
* @return String [返回类型说明]
* @exception throws [异常类型] [异常说明]
* @see [类、类#方法、类#成员]
*/
public String findSql() {
AssertUtils.notEmpty(this.pkName, "pkName is empty.");
AssertUtils.isTrue(
this.getter2columnNameMapping.containsKey(this.pkName),
"property2columnNameMapping not contains pkName:{}.",
this.pkName);
SqlBuilder.BEGIN();
for (Entry<String, String> entryTemp : getter2columnNameMapping.entrySet()) {
SqlBuilder.SELECT(entryTemp.getValue());
}
SqlBuilder.FROM(this.tableName);
SqlBuilder.WHERE(this.getter2columnNameMapping.get(this.pkName) + " = ? ");
String findSql = SqlBuilder.SQL();
SqlBuilder.RESET();
return findSql;
}
/**
* 获取查询sql <功能详细描述>
*
* @return [参数说明]
* @return String [返回类型说明]
* @exception throws [异常类型] [异常说明]
* @see [类、类#方法、类#成员]
*/
public String querySql(Object obj) {
AssertUtils.notEmpty(this.pkName, "pkName is empty.");
AssertUtils.isTrue(
this.getter2columnNameMapping.containsKey(this.pkName),
"property2columnNameMapping not contains pkName:{}.",
this.pkName);
// 构建query语句
SqlBuilder.BEGIN();
for (Entry<String, String> entryTemp : getter2columnNameMapping.entrySet()) {
SqlBuilder.SELECT(entryTemp.getValue());
}
SqlBuilder.FROM(this.tableName);
if (!ObjectUtils.isEmpty(obj)) {
MetaObject metaObject = MetaObjectUtils.forObject(obj);
for (Entry<String, String> entryTemp : queryConditionKey2SqlMapping.entrySet()) {
String queryKeyName = entryTemp.getKey();
Object valueObj = metaObject.getValue(queryKeyName);
if (ObjectUtils.isEmpty(valueObj)) {
continue;
}
SqlBuilder.WHERE(entryTemp.getValue());
}
}
for (String conditionExpressionTemp : otherCondition) {
SqlBuilder.WHERE(conditionExpressionTemp);
}
// 在不存在排序字段时默认使用主键对应字段作为排序字段<br/>
if (CollectionUtils.isEmpty(orderList)) {
SqlBuilder.ORDER_BY(this.getter2columnNameMapping.get(this.pkName));
} else {
for (String order : orderList) {
SqlBuilder.ORDER_BY(order);
}
}
String querySql = SqlBuilder.SQL();
SqlBuilder.RESET();
return querySql;
}
/**
* @param newTableDef
* @param sourceTableDef
* @param ddlDialect
* @return
*/
@Override
public AlterTableDDLBuilder newInstance(
TableDef newTable, TableDef sourceTable, DDLDialect ddlDialect) {
AssertUtils.notNull(ddlDialect, "ddlDialect is null.");
AssertUtils.notNull(newTable, "newTable is null.");
AssertUtils.notEmpty(newTable.getTableName(), "newTable.tableName is empty.");
AssertUtils.notNull(sourceTable, "sourceTable is null.");
AssertUtils.notEmpty(sourceTable.getTableName(), "sourceTable.tableName is empty.");
AssertUtils.isTrue(
newTable.getTableName().equalsIgnoreCase(sourceTable.getTableName()),
"newTable.tableName:{} should equalsIgnoreCase sourceTable.tableName:{}",
new Object[] {newTable.getTableName(), sourceTable.getTableName()});
MysqlAlterTableDDLBuilder builder =
new MysqlAlterTableDDLBuilder(newTable, sourceTable, ddlDialect);
this.columns.addAll(newTable.getColumns());
this.indexes.addAll(newTable.getIndexes());
return builder;
}
/**
* 获取设置主键的setter对象<br>
* <功能详细描述>
*
* @param obj
* @return [参数说明]
* @return PreparedStatementSetter [返回类型说明]
* @exception throws [异常类型] [异常说明]
* @see [类、类#方法、类#成员]
*/
public PreparedStatementSetter getPKSetter(final Object obj) {
AssertUtils.notEmpty(this.pkName, "pkName is empty.");
AssertUtils.isTrue(
this.getter2columnNameMapping.containsKey(this.pkName),
"property2columnNameMapping not contains pkName:{}.",
this.pkName);
final String finalPkName = this.pkName;
final MetaObject metaObject = MetaObjectUtils.forObject(obj);
PreparedStatementSetter res =
new PreparedStatementSetter() {
@Override
public void setValues(PreparedStatement ps) throws SQLException {
Class<?> setterType = getter2JavaTypeMapping.get(finalPkName);
JdbcUtils.setPreparedStatementValueForSimpleType(
ps, 1, metaObject.getValue(finalPkName), setterType);
}
};
return res;
}
