65 lines
2.5 KiB
Java
65 lines
2.5 KiB
Java
/* -*- Mode: Java; c-basic-offset: 4; tab-width: 4; indent-tabs-mode: nil; -*-
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* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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package org.mozilla.gecko.db;
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import android.content.ContentValues;
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import android.database.Cursor;
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import android.database.sqlite.SQLiteDatabase;
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import android.net.Uri;
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import android.util.Log;
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// BaseTable provides a basic implementation of a Table for tables that don't require advanced operations during
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// insert, delete, update, or query operations. Implementors must still provide onCreate and onUpgrade operations.
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public abstract class BaseTable implements Table {
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private static final String LOGTAG = "GeckoBaseTable";
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private static final boolean DEBUG = false;
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protected static void log(String msg) {
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if (DEBUG) {
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Log.i(LOGTAG, msg);
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}
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}
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// Table implementation
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@Override
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public Table.ContentProviderInfo[] getContentProviderInfo() {
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return new Table.ContentProviderInfo[0];
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}
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// Returns the name of the table to modify/query
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protected abstract String getTable();
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// Table implementation
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@Override
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public Cursor query(SQLiteDatabase db, Uri uri, int dbId, String[] columns, String selection, String[] selectionArgs, String sortOrder, String groupBy, String limit) {
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Cursor c = db.query(getTable(), columns, selection, selectionArgs, groupBy, null, sortOrder, limit);
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log("query " + columns + " in " + selection + " = " + c);
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return c;
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}
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@Override
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public int update(SQLiteDatabase db, Uri uri, int dbId, ContentValues values, String selection, String[] selectionArgs) {
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int updated = db.updateWithOnConflict(getTable(), values, selection, selectionArgs, SQLiteDatabase.CONFLICT_REPLACE);
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log("update " + values + " in " + selection + " = " + updated);
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return updated;
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}
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@Override
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public long insert(SQLiteDatabase db, Uri uri, int dbId, ContentValues values) {
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long inserted = db.insertOrThrow(getTable(), null, values);
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log("insert " + values + " = " + inserted);
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return inserted;
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}
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@Override
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public int delete(SQLiteDatabase db, Uri uri, int dbId, String selection, String[] selectionArgs) {
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int deleted = db.delete(getTable(), selection, selectionArgs);
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log("delete " + selection + " = " + deleted);
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return deleted;
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}
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};
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