BatchOperation.java

/*
 * DeliciousDroid - http://code.google.com/p/DeliciousDroid/
 *
 * Copyright (C) 2010 Matt Schmidt
 *
 * DeliciousDroid is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published
 * by the Free Software Foundation; either version 3 of the License,
 * or (at your option) any later version.
 *
 * DeliciousDroid is distributed in the hope that it will be useful, but
 * WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
 * General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with DeliciousDroid; if not, write to the Free Software
 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
 * USA
 */

package com.deliciousdroid.platform;

import android.content.ContentProviderOperation;
import android.content.ContentResolver;
import android.content.Context;
import android.content.OperationApplicationException;
import android.os.RemoteException;
import android.provider.ContactsContract;
import android.util.Log;

import java.util.ArrayList;

/**
 * This class handles execution of batch mOperations on Contacts provider.
 */
public class BatchOperation {
    private final String TAG = "BatchOperation";

    private final ContentResolver mResolver;
    // List for storing the batch mOperations
    ArrayList<ContentProviderOperation> mOperations;

    public BatchOperation(Context context, ContentResolver resolver) {
        mResolver = resolver;
        mOperations = new ArrayList<ContentProviderOperation>();
    }

    public int size() {
        return mOperations.size();
    }

    public void add(ContentProviderOperation cpo) {
        mOperations.add(cpo);
    }

    public void execute() {
        if (mOperations.size() == 0) {
            return;
        }
        // Apply the mOperations to the content provider
        try {
            mResolver.applyBatch(ContactsContract.AUTHORITY, mOperations);
        } catch (final OperationApplicationException e1) {
            Log.e(TAG, "storing contact data failed", e1);
        } catch (final RemoteException e2) {
            Log.e(TAG, "storing contact data failed", e2);
        }
        mOperations.clear();
    }

}