replicant-packages_apps_Email/src/com/android/email/data/ClosingMatrixCursor.java

44 lines
1.3 KiB
Java

/*
* Copyright (C) 2011 The Android Open Source Project
*
* 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 com.android.email.data;
import android.database.Cursor;
import android.database.MatrixCursor;
import com.android.mail.utils.MatrixCursorWithCachedColumns;
/**
* {@link MatrixCursor} which takes an extra {@link Cursor} to the constructor, and close
* it when self is closed.
*/
public class ClosingMatrixCursor extends MatrixCursorWithCachedColumns {
private final Cursor mInnerCursor;
public ClosingMatrixCursor(String[] columnNames, Cursor innerCursor) {
super(columnNames);
mInnerCursor = innerCursor;
}
@Override
public void close() {
if (mInnerCursor != null) {
mInnerCursor.close();
}
super.close();
}
}