// 生成查询Sql,以主键为查询条件,如果有指定读入的键那只读该键
private OperateSet generateReadOperateSet(Object obj, String... fieldnames) {
Class<? extends Object> clazz = obj.getClass();
// 获取tablecache中的对应的info
String typeName = clazz.getName();
TableInfo tbinfo = null;
String autoKeyName = "";
if (typeName != null) {
tbinfo = oManager.getTableCache().getByTN(typeName);
}
if (tbinfo == null) {
// 提示错误
System.out.println(
"[generateReadOperateSet error]-Model<" + typeName + "> has not registered!");
return null;
}
String strSql = "select ";
String strField = "";
String strWhere = "";
Vector<Object> param = new Vector<Object>();
if (fieldnames.length != 0) {
if (fieldnames.length == 1) {
if (fieldnames[0].equals("")) {
return null;
}
}
for (String s : fieldnames) {
strField += s + ",";
}
strField = strField.substring(0, strField.length() - 1);
strSql += strField + " from " + tbinfo.getTableName();
Vector<FieldInfo> fins = tbinfo.getAllFieldInfos();
for (FieldInfo fin : fins) {
// 以主键为查询条件，如果不是主键的继续,暂时不支持联合主键
if (!fin.isPrimaryKey()) {
continue;
}
autoKeyName = fin.getColumnName();
strWhere += fin.getColumnName() + "=?";
Field field = null;
try {
field = obj.getClass().getDeclaredField(fin.getFieldName());
} catch (NoSuchFieldException e) {
// TODO 自动生成的 catch 块
this.oManager.deBugInfo(e.getMessage());
return null;
} catch (SecurityException e) {
// TODO 自动生成的 catch 块
this.oManager.deBugInfo(e.getMessage());
return null;
}
field.setAccessible(true);
try {
param.add(field.get(obj));
} catch (IllegalArgumentException e) {
// TODO 自动生成的 catch 块
this.oManager.deBugInfo(e.getMessage());
return null;
} catch (IllegalAccessException e) {
// TODO 自动生成的 catch 块
this.oManager.deBugInfo(e.getMessage());
return null;
}
}
if (strWhere.equals("")) {
// 提示错误
System.out.println(
"[generateReadOperateSet error]-Model<"
+ typeName
+ "> has not set PrimaryKey to achieve this query!");
return null;
}
strSql += " where " + strWhere + " limit 1";
OperateSet oSet = new OperateSet(strSql, param, tbinfo);
oSet.setAutoKeyName(autoKeyName);
return oSet;
} else {
strSql += "* from " + tbinfo.getTableName();
Vector<FieldInfo> fins = tbinfo.getAllFieldInfos();
for (FieldInfo fin : fins) {
// 以主键为查询条件，如果不是主键的继续,暂时不支持联合主键
if (!fin.isPrimaryKey()) {
continue;
}
autoKeyName = fin.getColumnName();
strWhere += fin.getColumnName() + "=?";
Field field = null;
try {
field = obj.getClass().getDeclaredField(fin.getFieldName());
} catch (NoSuchFieldException e) {
// TODO 自动生成的 catch 块
this.oManager.deBugInfo(e.getMessage());
return null;
} catch (SecurityException e) {
// TODO 自动生成的 catch 块
this.oManager.deBugInfo(e.getMessage());
return null;
}
field.setAccessible(true);
try {
param.add(field.get(obj));
} catch (IllegalArgumentException e) {
// TODO 自动生成的 catch 块
this.oManager.deBugInfo(e.getMessage());
return null;
} catch (IllegalAccessException e) {
// TODO 自动生成的 catch 块
this.oManager.deBugInfo(e.getMessage());
return null;
}
}
if (strWhere.equals("")) {
// 提示错误
System.out.println(
"[generateReadOperateSet error]-Model<"
+ typeName
+ "> has not set PrimaryKey to achieve this query!");
return null;
}
strSql += " where " + strWhere + " limit 1";
OperateSet oSet = new OperateSet(strSql, param, tbinfo);
oSet.setAutoKeyName(autoKeyName);
return oSet;
}
}
private OperateSet generateInsertOperateSet(Object obj) {
Class<? extends Object> clazz = obj.getClass();
// 获取tablecache中的对应的info
String typeName = clazz.getName();
TableInfo tbinfo = null;
String autoKeyName = "";
if (typeName != null) {
tbinfo = oManager.getTableCache().getByTN(typeName);
}
if (tbinfo == null) {
// 提示错误
System.out.println(
"[generateInsertOperateSet error]-Model<" + typeName + "> has not registered!");
return null;
}
String strSql = "insert into " + tbinfo.getTableName();
String strField = "";
String strValue = "";
Vector<Object> param = new Vector<Object>();
Vector<FieldInfo> fins = tbinfo.getAllFieldInfos();
for (FieldInfo fin : fins) {
// 跳过自动增长的字段
if (fin.isAutoGenerate()) {
autoKeyName = fin.getColumnName();
continue;
}
strField += fin.getColumnName() + ",";
strValue += "?,";
// 获取值
Field fie = null;
try {
fie = clazz.getDeclaredField(fin.getFieldName());
fie.setAccessible(true);
} catch (NoSuchFieldException e) {
// TODO 自动生成的 catch 块
this.oManager.deBugInfo(e.getMessage());
return null;
} catch (SecurityException e) {
// TODO 自动生成的 catch 块
this.oManager.deBugInfo(e.getMessage());
return null;
}
if (fie != null) {
try {
param.add(fie.get(obj));
} catch (IllegalArgumentException e) {
// TODO 自动生成的 catch 块
this.oManager.deBugInfo(e.getMessage());
return null;
} catch (IllegalAccessException e) {
// TODO 自动生成的 catch 块
this.oManager.deBugInfo(e.getMessage());
return null;
}
}
}
// 只有自增字段错误退出
if (strField.equals("")) {
System.out.println(
"[generateInsertOperateSet error]-Model<" + typeName + "> only have autogenerate field!");
return null;
}
// 去除尾部的，号
strField = strField.substring(0, strField.length() - 1);
strValue = strValue.substring(0, strValue.length() - 1);
strSql += " (" + strField + ") values(" + strValue + ")";
OperateSet os = new OperateSet(strSql, param, tbinfo);
os.setAutoKeyName(autoKeyName);
return os;
}
/* @author Comdex
* @see com.reflectsky.cozy.Ormer#read(java.lang.Object, java.lang.String[])
*/
@Override
public boolean read(Object obj, String... fieldnames) {
// TODO 自动生成的方法存根
OperateSet oSet = generateReadOperateSet(obj, fieldnames);
PreparedStatement pstmt = null;
ResultSet rs = null;
boolean isOk = false;
if (oSet == null) {
return isOk;
}
try {
pstmt = conn.prepareStatement(oSet.getStrSql());
ormDebug(oSet);
} catch (SQLException e) {
// TODO 自动生成的 catch 块
this.oManager.deBugInfo(e.getMessage());
}
if (pstmt != null) {
Vector<Object> param = oSet.getParam();
for (int i = 0; i < param.size(); i++) {
Object object = param.get(i);
try {
pstmt.setObject(i + 1, object);
} catch (SQLException e) {
// TODO 自动生成的 catch 块
this.oManager.deBugInfo(e.getMessage());
}
}
if (callbackobj != null) {
Class<?> clazz = callbackobj.getClass();
Method[] mtds = clazz.getDeclaredMethods();
for (Method mtd : mtds) {
if (mtd.getName().equals("beforeRead")) {
Class<?>[] params = mtd.getParameterTypes();
if (params.length == 2) {
if (params[0] == obj.getClass() && params[1] == Ormer.class) {
// 用于回调的注入参数Ormer
Ormer ormer = this.oManager.NewOrm();
mtd.setAccessible(true);
try {
mtd.invoke(callbackobj, obj, ormer);
} catch (IllegalAccessException e) {
// TODO 自动生成的 catch 块
this.oManager.deBugInfo(e.getMessage());
} catch (IllegalArgumentException e) {
// TODO 自动生成的 catch 块
this.oManager.deBugInfo(e.getMessage());
} catch (InvocationTargetException e) {
// TODO 自动生成的 catch 块
this.oManager.deBugInfo(e.getMessage());
}
}
}
}
}
}
try {
rs = pstmt.executeQuery();
// 获取查询结果的值
Vector<Object> values = new Vector<Object>();
if (fieldnames.length != 0) {
if (rs != null) {
if (rs.next()) {
for (String s : fieldnames) {
values.add(rs.getObject(s));
}
}
}
// 获取fieldname对应的字段名
Vector<String> fields = new Vector<String>();
Vector<FieldInfo> fins = oSet.getTbinfo().getAllFieldInfos();
for (String s : fieldnames) {
for (FieldInfo fin : fins) {
if (fin.getColumnName().equalsIgnoreCase(s)) {
fields.add(fin.getFieldName());
}
}
}
// 为对应的field设值
for (int i = 0; i < fields.size(); i++) {
try {
Field field = obj.getClass().getDeclaredField(fields.get(i));
field.setAccessible(true);
field.set(obj, values.get(i));
} catch (NoSuchFieldException e) {
// TODO 自动生成的 catch 块
this.oManager.deBugInfo(e.getMessage());
} catch (SecurityException e) {
// TODO 自动生成的 catch 块
this.oManager.deBugInfo(e.getMessage());
} catch (Exception e) {
// TODO: handle exception
this.oManager.deBugInfo(e.getMessage());
}
}
this.oManager.closeRs(rs);
this.oManager.closeStmt(pstmt);
return isOk;
} else {
// 获取该对象所有字段名
Vector<String> fields = new Vector<String>();
Vector<FieldInfo> fins = oSet.getTbinfo().getAllFieldInfos();
if (rs != null) {
if (rs.next()) {
for (FieldInfo fin : fins) {
values.add(rs.getObject(fin.getColumnName()));
}
}
}
// 为对应的Field设值
for (int i = 0; i < fins.size(); i++) {
Field field = null;
try {
field = obj.getClass().getDeclaredField(fins.get(i).getFieldName());
} catch (NoSuchFieldException e) {
// TODO 自动生成的 catch 块
this.oManager.deBugInfo(e.getMessage());
} catch (SecurityException e) {
// TODO 自动生成的 catch 块
this.oManager.deBugInfo(e.getMessage());
}
field.setAccessible(true);
try {
field.set(obj, values.get(i));
} catch (IllegalArgumentException e) {
// TODO 自动生成的 catch 块
this.oManager.deBugInfo(e.getMessage());
} catch (IllegalAccessException e) {
// TODO 自动生成的 catch 块
this.oManager.deBugInfo(e.getMessage());
}
}
this.oManager.closeRs(rs);
this.oManager.closeStmt(pstmt);
if (callbackobj != null) {
Class<?> clazz = callbackobj.getClass();
Method[] mtds = clazz.getDeclaredMethods();
for (Method mtd : mtds) {
if (mtd.getName().equals("afterRead")) {
Class<?>[] params = mtd.getParameterTypes();
if (params.length == 2) {
if (params[0] == obj.getClass() && params[1] == Ormer.class) {
// 用于回调的注入参数Ormer
Ormer ormer = this.oManager.NewOrm();
mtd.setAccessible(true);
try {
mtd.invoke(callbackobj, obj, ormer);
} catch (IllegalAccessException e) {
// TODO 自动生成的 catch 块
this.oManager.deBugInfo(e.getMessage());
} catch (IllegalArgumentException e) {
// TODO 自动生成的 catch 块
this.oManager.deBugInfo(e.getMessage());
} catch (InvocationTargetException e) {
// TODO 自动生成的 catch 块
this.oManager.deBugInfo(e.getMessage());
}
}
}
}
}
}
this.oManager.closeRs(rs);
this.oManager.closeStmt(pstmt);
return isOk;
}
} catch (SQLException e) {
// TODO 自动生成的 catch 块
this.oManager.deBugInfo(e.getMessage());
}
}
if (rs != null) {
this.oManager.closeRs(rs);
}
if (pstmt != null) {
this.oManager.closeStmt(pstmt);
}
return isOk;
}
