diff --git a/Node.java b/Node.java deleted file mode 100644 index 5f2a99a..0000000 --- a/Node.java +++ /dev/null @@ -1,332 +0,0 @@ -/* - * Copyright (c) 2010-2011, The MiCode Open Source Community (www.micode.net) - * - * Licensed under the Apache License, Version 2.0 (the "License"); - * you may not use this file except in compliance with the License. - * You may obtain a copy of the License at - * - * http://www.apache.org/licenses/LICENSE-2.0 - * - * Unless required by applicable law or agreed to in writing, software - * distributed under the License is distributed on an "AS IS" BASIS, - * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. - * See the License for the specific language governing permissions and - * limitations under the License. - */ - -package net.micode.notes.gtask.data; - -import android.database.Cursor; - -import org.json.JSONObject; - -/** - * 应该是同步操作的基础数据类型，定义了相关指示同步操作的常量 - * 关键字：abstract - */ -public abstract class Node { - //定义了各种用于表征同步状态的常量 - public static final int SYNC_ACTION_NONE = 0;// 本地和云端都无可更新内容（即本地和云端内容一致） - - public static final int SYNC_ACTION_ADD_REMOTE = 1;// 需要在远程云端增加内容 - - public static final int SYNC_ACTION_ADD_LOCAL = 2;// 需要在本地增加内容 - - public static final int SYNC_ACTION_DEL_REMOTE = 3;// 需要在远程云端删除内容 - - public static final int SYNC_ACTION_DEL_LOCAL = 4;// 需要在本地删除内容 - - public static final int SYNC_ACTION_UPDATE_REMOTE = 5;// 需要将本地内容更新到远程云端 - - public static final int SYNC_ACTION_UPDATE_LOCAL = 6;// 需要将远程云端内容更新到本地 - - public static final int SYNC_ACTION_UPDATE_CONFLICT = 7;// 同步出现冲突 - - public static final int SYNC_ACTION_ERROR = 8;// 同步出现错误 - - private String mGid; - - private String mName; - - private long mLastModified;//记录最后一次修改时间 - - private boolean mDeleted;//表征是否被删除 - - public Node() { - mGid = null; - mName = ""; - mLastModified = 0; - mDeleted = false; - } - - public abstract JSONObject getCreateAction(int actionId); - - public abstract JSONObject getUpdateAction(int actionId); - - public abstract void setContentByRemoteJSON(JSONObject js); - - public abstract void setContentByLocalJSON(JSONObject js); - - public abstract JSONObject getLocalJSONFromContent(); - - public abstract int getSyncAction(Cursor c); - - public void setGid(String gid) { - this.mGid = gid; - } - - public void setName(String name) { - this.mName = name; - } - - public void setLastModified(long lastModified) { - this.mLastModified = lastModified; - } - - public void setDeleted(boolean deleted) { - this.mDeleted = deleted; - } - - public String getGid() { - return this.mGid; - } - - public String getName() { - return this.mName; - } - - public long getLastModified() { - return this.mLastModified; - } - - public boolean getDeleted() { - return this.mDeleted; - } - -} -2、SqlData.java -/* - * Description：用于支持小米便签最底层的数据库相关操作，和sqlnote的关系上是子集关系，即data是note的子集（节点）。 - * SqlData其实就是也就是所谓数据中的数据 - */ - -package net.micode.notes.gtask.data; -/* - * 功能描述： - * 实现过程： - * 参数注解： - * Made By CuiCan - */ - -public class SqlData { - /* - * 功能描述：得到类的简写名称存入字符串TAG中 - * 实现过程：调用getSimpleName ()函数 - * Made By CuiCan - */ - private static final String TAG = SqlData.class.getSimpleName(); - -private static final int INVALID_ID = -99999; -=为mDataId置初始值-99999 - - - /** - * 来自Notes类中定义的DataColumn中的一些常量 - */ - - // 集合了interface DataColumns中所有SF常量 - public static final String[] PROJECTION_DATA = new String[] { - DataColumns.ID, DataColumns.MIME_TYPE, DataColumns.CONTENT, DataColumns.DATA1, - DataColumns.DATA3 - }; - - /** - * 以下五个变量作为sql表中5列的编号 - */ - public static final int DATA_ID_COLUMN = 0; - - public static final int DATA_MIME_TYPE_COLUMN = 1; - - public static final int DATA_CONTENT_COLUMN = 2; - - public static final int DATA_CONTENT_DATA_1_COLUMN = 3; - - public static final int DATA_CONTENT_DATA_3_COLUMN = 4; - - private ContentResolver mContentResolver; - //判断是否直接用Content生成，是为true，否则为false - private boolean mIsCreate; - - private long mDataId; - - private String mDataMimeType; - - private String mDataContent; - - private long mDataContentData1; - - private String mDataContentData3; - - private ContentValues mDiffDataValues; - - /* - * 功能描述：构造函数，用于初始化数据 - * 参数注解：mContentResolver用于获取ContentProvider提供的数据 - * 参数注解： mIsCreate表征当前数据是用哪种方式创建（两种构造函数的参数不同） - * 参数注解： - * Made By CuiCan - */ - public SqlData(Context context) { - mContentResolver = context.getContentResolver(); - mIsCreate = true; - mDataId = INVALID_ID;//mDataId置初始值-99999 - mDataMimeType = DataConstants.NOTE; - mDataContent = ""; - mDataContentData1 = 0; - mDataContentData3 = ""; - mDiffDataValues = new ContentValues(); - } - - - /* - * 功能描述：构造函数，初始化数据 - * 参数注解：mContentResolver用于获取ContentProvider提供的数据 - * 参数注解： mIsCreate表征当前数据是用哪种方式创建（两种构造函数的参数不同） - * 参数注解： - * Made By CuiCan - */ - public SqlData(Context context, Cursor c) { - mContentResolver = context.getContentResolver(); - mIsCreate = false; - loadFromCursor(c); - mDiffDataValues = new ContentValues(); - } - - /* - * 功能描述：从光标处加载数据 - * 从当前的光标处将五列的数据加载到该类的对象 - * Made By CuiCan - */ - private void loadFromCursor(Cursor c) { - mDataId = c.getLong(DATA_ID_COLUMN); - mDataMimeType = c.getString(DATA_MIME_TYPE_COLUMN); - mDataContent = c.getString(DATA_CONTENT_COLUMN); - mDataContentData1 = c.getLong(DATA_CONTENT_DATA_1_COLUMN); - mDataContentData3 = c.getString(DATA_CONTENT_DATA_3_COLUMN); - } - - - /* - * 功能描述：设置用于共享的数据，并提供异常抛出与处理机制 - * 参数注解： - * Made By CuiCan - */ - public void setContent(JSONObject js) throws JSONException { - //如果传入的JSONObject对象中有DataColumns.ID这一项，则设置，否则设为INVALID_ID - long dataId = js.has(DataColumns.ID) ? js.getLong(DataColumns.ID) : INVALID_ID; - if (mIsCreate || mDataId != dataId) { - mDiffDataValues.put(DataColumns.ID, dataId); - } - mDataId = dataId; - - String dataMimeType = js.has(DataColumns.MIME_TYPE) ? js.getString(DataColumns.MIME_TYPE) - : DataConstants.NOTE; - if (mIsCreate || !mDataMimeType.equals(dataMimeType)) { - mDiffDataValues.put(DataColumns.MIME_TYPE, dataMimeType); - } - mDataMimeType = dataMimeType; - - String dataContent = js.has(DataColumns.CONTENT) ? js.getString(DataColumns.CONTENT) : ""; - if (mIsCreate || !mDataContent.equals(dataContent)) { - mDiffDataValues.put(DataColumns.CONTENT, dataContent); - } - mDataContent = dataContent; - - long dataContentData1 = js.has(DataColumns.DATA1) ? js.getLong(DataColumns.DATA1) : 0; - if (mIsCreate || mDataContentData1 != dataContentData1) { - mDiffDataValues.put(DataColumns.DATA1, dataContentData1); - } - mDataContentData1 = dataContentData1; - - String dataContentData3 = js.has(DataColumns.DATA3) ? js.getString(DataColumns.DATA3) : ""; - if (mIsCreate || !mDataContentData3.equals(dataContentData3)) { - mDiffDataValues.put(DataColumns.DATA3, dataContentData3); - } - mDataContentData3 = dataContentData3; - } - - - /* - * 功能描述：获取共享的数据内容，并提供异常抛出与处理机制 - * 参数注解： - * Made By CuiCan - */ - public JSONObject getContent() throws JSONException { - if (mIsCreate) { - Log.e(TAG, "it seems that we haven't created this in database yet"); - return null; - } - //创建JSONObject对象。并将相关数据放入其中，并返回。 - JSONObject js = new JSONObject(); - js.put(DataColumns.ID, mDataId); - js.put(DataColumns.MIME_TYPE, mDataMimeType); - js.put(DataColumns.CONTENT, mDataContent); - js.put(DataColumns.DATA1, mDataContentData1); - js.put(DataColumns.DATA3, mDataContentData3); - return js; - } - - /* - * 功能描述：commit函数用于把当前造作所做的修改保存到数据库 - * 参数注解： - * Made By CuiCan - */ - public void commit(long noteId, boolean validateVersion, long version) { - - if (mIsCreate) { - if (mDataId == INVALID_ID && mDiffDataValues.containsKey(DataColumns.ID)) { - mDiffDataValues.remove(DataColumns.ID); - } - - mDiffDataValues.put(DataColumns.NOTE_ID, noteId); - Uri uri = mContentResolver.insert(Notes.CONTENT_DATA_URI, mDiffDataValues); - try { - mDataId = Long.valueOf(uri.getPathSegments().get(1)); - } catch (NumberFormatException e) { - Log.e(TAG, "Get note id error :" + e.toString()); - throw new ActionFailureException("create note failed"); - } - } else { - if (mDiffDataValues.size() > 0) { - int result = 0; - if (!validateVersion) { - result = mContentResolver.update(ContentUris.withAppendedId( - Notes.CONTENT_DATA_URI, mDataId), mDiffDataValues, null, null); - } else { - result = mContentResolver.update(ContentUris.withAppendedId( - Notes.CONTENT_DATA_URI, mDataId), mDiffDataValues, - " ? in (SELECT " + NoteColumns.ID + " FROM " + TABLE.NOTE - + " WHERE " + NoteColumns.VERSION + "=?)", new String[] { - String.valueOf(noteId), String.valueOf(version) - }); - } - if (result == 0) { - Log.w(TAG, "there is no update. maybe user updates note when syncing"); - } - } - } - - mDiffDataValues.clear(); - mIsCreate = false; - } - - /* - * 功能描述：获取当前id - * 实现过程： - * 参数注解： - * Made By CuiCan - */ - public long getId() { - return mDataId; - } -} \ No newline at end of file