Android example source code file (BatchOperation.java)

This example Android source code file (BatchOperation.java) is included in the DevDaily.com "Java Source Code Warehouse" project. The intent of this project is to help you "Learn Android by Example" ^TM.

Java - Android tags/keywords

android, arraylist, batchoperation, content, contentresolver, operationapplicationexception, os, provider, remoteexception, string, tag, util, utilities

The BatchOperation.java Android example source code

/*
 * Copyright (C) 2010 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.example.android.samplesync.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();
    }

}