?? baserms.java
字號:
import javax.microedition.rms.*;
import java.util.*;
import java.io.*;
abstract public class BaseRMS {
private String rmsName;
private RecordStore recordStore;
BaseRMS(String rmsName) {
this.rmsName = rmsName;
}
public void open() throws Exception {
try {
recordStore = RecordStore.openRecordStore(this.rmsName,true);
if (recordStore.getNumRecords() > 0) {
loadData();
} else {
createDefaultData();
}
} catch (Exception e) {
throw new Exception(this.rmsName+"::open::"+e);
}
}
public void close() throws Exception {
if (recordStore != null) {
try {
recordStore.closeRecordStore();
} catch(Exception e) {
throw new Exception(this.rmsName+"::close::"+e);
}
}
}
public RecordStore getRecordStore() {
return this.recordStore;
}
public String getRMSName() {
return this.rmsName;
}
abstract void loadData() throws Exception;
abstract void createDefaultData() throws Exception;
abstract void updateData() throws Exception;
}
?? 快捷鍵說明
復制代碼
Ctrl + C
搜索代碼
Ctrl + F
全屏模式
F11
切換主題
Ctrl + Shift + D
顯示快捷鍵
?
增大字號
Ctrl + =
減小字號
Ctrl + -