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更新 CIMCacheToolkit.java

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This commit is contained in:
远方夕阳 2016-12-22 14:52:01 +08:00
parent 0b1c021af2
commit 98b9298e60
1 changed files with 141 additions and 130 deletions
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59
cim_for_mina/cim-android-sdk/src/com/farsunset/cim/sdk/android/CIMCacheToolkit.java
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@ -37,14 +37,16 @@ class CIMCacheToolkit extends SQLiteOpenHelper {
public static final String KEY_CIM_SERVIER_PORT = "KEY_CIM_SERVIER_PORT";
public static final String KEY_CIM_CONNECTION_STATE = "KEY_CIM_CONNECTION_STATE";
static CIMCacheToolkit toolkit;
public static CIMCacheToolkit getInstance(Context context){
private static CIMCacheToolkit toolkit;
private SQLiteDatabase mSQLiteDatabase;
public synchronized static CIMCacheToolkit getInstance(Context context){
if (toolkit==null){
toolkit = new CIMCacheToolkit(context);
}
return toolkit;
}
public CIMCacheToolkit(Context context, String name, SQLiteDatabase.CursorFactory factory, int version) {
super(context, name, factory, version);
}
@ -55,42 +57,30 @@ class CIMCacheToolkit extends SQLiteOpenHelper {
public void remove(String key)
public synchronized void remove(String key)
{
SQLiteDatabase database = toolkit.getWritableDatabase();
database.execSQL(DELETE_SQL,new String[]{key});
database.close();
toolkit.close();
toolkit = null;
getSQLiteDatabase().execSQL(DELETE_SQL,new String[]{key});
}
public void putString(String key,String value)
public synchronized void putString(String key,String value)
{
SQLiteDatabase database = toolkit.getWritableDatabase();
database.execSQL(DELETE_SQL,new String[]{key});
database.execSQL(SAVE_SQL, new String[]{key, value});
database.close();
toolkit.close();
toolkit = null;
getSQLiteDatabase().execSQL(DELETE_SQL,new String[]{key});
getSQLiteDatabase().execSQL(SAVE_SQL, new String[]{key, value});
}
public String getString(String key)
public synchronized String getString(String key)
{
String value = null;
SQLiteDatabase database = toolkit.getWritableDatabase();
Cursor cursor = database.rawQuery(QUERY_SQL, new String[]{key});
Cursor cursor = getSQLiteDatabase().rawQuery(QUERY_SQL, new String[]{key});
if (cursor!=null&&cursor.moveToFirst())
{
value = cursor.getString(0);
cursor.close();
}
cursor.close();
database.close();
toolkit.close();
toolkit = null;
return value;
}
@ -123,6 +113,27 @@ class CIMCacheToolkit extends SQLiteOpenHelper {
database.execSQL(TABLE_SQL);
}
public static synchronized void destroy(){
if (toolkit!=null){
try{toolkit.mSQLiteDatabase.close();}catch(Exception e){}
try{toolkit.close();}catch(Exception e){}
}
}
private SQLiteDatabase getSQLiteDatabase(){
if(mSQLiteDatabase!=null){
return mSQLiteDatabase;
}else
{
mSQLiteDatabase = getWritableDatabase();
}
return mSQLiteDatabase;
}
@Override
public void onUpgrade(SQLiteDatabase database, int oldVersion, int newVersion) {