@Override
public void DeleteOrderReceived(String msg) {
// {delete:fieldName=PlotID,fieldValue=xxxxxxx}
int pos = msg.indexOf(":");
if (pos > msg.length() || pos < 0) return;
String order = msg.substring(1, pos);
msg = msg.substring(pos + 1);
if (!order.equalsIgnoreCase("delete")) {
return;
}
pos = msg.indexOf(",");
if (pos > msg.length() || pos < 0) return;
// fileName为fieldName=PlotID
String fieldName = msg.substring(0, pos);
msg = msg.substring(pos + 1);
pos = fieldName.indexOf("=");
if (pos > fieldName.length() || pos < 0) return;
fieldName = fieldName.substring(pos + 1);
if (!fieldName.equalsIgnoreCase("PlotID")) {
return;
}
// fileValue为fieldValue=xxxxxxx}
String fieldValue = msg.substring(0, msg.length() - 1);
pos = fieldValue.indexOf("=");
if (pos > fieldValue.length() || pos < 0) return;
fieldValue = fieldValue.substring(pos + 1, msg.length() - 1);
// 查处所有数据集对象，依次遍历找到PlotID值为fieldValue的对象，并删除？？？？
DatasetVector dv =
(DatasetVector)
(mapShow
.getMap()
.getWorkspace()
.getDatasources()
.get("multimedia")
.getDatasets()
.get("CAD"));
Recordset recordset = dv.getRecordset(false, CursorType.DYNAMIC);
recordset.moveFirst();
while (!recordset.isEOF()) {
String value = (String) recordset.getFieldValue(fieldName);
if (value.equalsIgnoreCase(fieldValue)) {
recordset.delete();
recordset.update();
break;
}
recordset.moveNext();
}
recordset.close();
recordset.dispose();
}
