Files
assistant-android/app/src/main/java/com/gh/gamecenter/db/DatabaseHelper.java
2017-02-09 17:39:16 +08:00

119 lines
3.8 KiB
Java

package com.gh.gamecenter.db;
import android.content.Context;
import android.database.sqlite.SQLiteDatabase;
import android.support.v4.util.ArrayMap;
import com.gh.common.util.Utils;
import com.gh.gamecenter.db.info.AppRunTimeInfo;
import com.gh.gamecenter.db.info.CommentInfo;
import com.gh.gamecenter.db.info.ConcernInfo;
import com.gh.gamecenter.db.info.DataCollectionInfo;
import com.gh.gamecenter.db.info.FilterInfo;
import com.gh.gamecenter.db.info.GameInfo;
import com.gh.gamecenter.db.info.LibaoInfo;
import com.gh.gamecenter.db.info.PackageInfo;
import com.gh.gamecenter.db.info.SearchHistoryInfo;
import com.gh.gamecenter.db.info.VoteInfo;
import com.j256.ormlite.android.apptools.OrmLiteSqliteOpenHelper;
import com.j256.ormlite.dao.Dao;
import com.j256.ormlite.support.ConnectionSource;
import com.j256.ormlite.table.TableUtils;
import java.sql.SQLException;
public class DatabaseHelper extends OrmLiteSqliteOpenHelper {
private static final String DATABASE_NAME = "gh_assist.db";
private static final int DATABASE_VERSION = 5;
private static DatabaseHelper instance;
private ArrayMap<String, Dao> daos = new ArrayMap<>();
private DatabaseHelper(Context context) {
super(context, DATABASE_NAME, null, DATABASE_VERSION);
}
/**
* 单例获取该Helper
*
* @param context
* @return
*/
public static synchronized DatabaseHelper getHelper(Context context) {
context = context.getApplicationContext();
if (instance == null) {
synchronized (DatabaseHelper.class) {
if (instance == null) {
instance = new DatabaseHelper(context);
}
}
}
return instance;
}
@Override
public void onCreate(SQLiteDatabase database, ConnectionSource connectionSource) {
try {
Utils.log("DatabaseHelper onCreate");
TableUtils.createTable(connectionSource, ConcernInfo.class);
TableUtils.createTable(connectionSource, SearchHistoryInfo.class);
TableUtils.createTable(connectionSource, GameInfo.class);
TableUtils.createTable(connectionSource, DataCollectionInfo.class);
TableUtils.createTable(connectionSource, VoteInfo.class);
TableUtils.createTable(connectionSource, CommentInfo.class);
TableUtils.createTable(connectionSource, LibaoInfo.class);
TableUtils.createTable(connectionSource, AppRunTimeInfo.class);
TableUtils.createTable(connectionSource, PackageInfo.class);
} catch (SQLException e) {
e.printStackTrace();
}
}
@Override
public void onUpgrade(SQLiteDatabase database, ConnectionSource connectionSource, int oldVersion, int newVersion) {
try {
Utils.log("DatabaseHelper onUpgrade");
TableUtils.dropTable(connectionSource, ConcernInfo.class, true);
TableUtils.dropTable(connectionSource, SearchHistoryInfo.class, true);
TableUtils.dropTable(connectionSource, GameInfo.class, true);
TableUtils.dropTable(connectionSource, FilterInfo.class, true);
TableUtils.dropTable(connectionSource, DataCollectionInfo.class, true);
TableUtils.dropTable(connectionSource, VoteInfo.class, true);
TableUtils.dropTable(connectionSource, CommentInfo.class, true);
TableUtils.dropTable(connectionSource, LibaoInfo.class, true);
TableUtils.dropTable(connectionSource, AppRunTimeInfo.class, true);
TableUtils.dropTable(connectionSource, PackageInfo.class, true);
onCreate(database, connectionSource);
} catch (SQLException e) {
e.printStackTrace();
}
}
public synchronized Dao getDao(Class clazz) throws SQLException {
Dao dao = null;
String className = clazz.getSimpleName();
if (daos.containsKey(className)) {
dao = daos.get(className);
}
if (dao == null) {
dao = super.getDao(clazz);
daos.put(className, dao);
}
return dao;
}
/**
* 释放资源
*/
@Override
public void close() {
super.close();
for (String key : daos.keySet()) {
Dao dao = daos.get(key);
dao = null;
}
}
}