Android Open Source - bgBanking Batch Operation

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License

The source code is released under:

Apache License

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Java Source Code

/*******************************************************************************
 * Copyright (c) 2012 MASConsult Ltd//from   ww  w .j  a v a 2  s .  c  o  m
 * 
 * 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 eu.masconsult.bgbanking.platform;

import java.util.ArrayList;
import java.util.List;

import android.content.ContentProviderOperation;
import android.content.ContentProviderResult;
import android.content.ContentResolver;
import android.content.Context;
import android.content.OperationApplicationException;
import android.net.Uri;
import android.os.RemoteException;
import android.util.Log;
import eu.masconsult.bgbanking.provider.BankingContract;

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

    private final ContentResolver mResolver;

    // List for storing the batch mOperations
    private final 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 List<Uri> execute() {
        List<Uri> resultUris = new ArrayList<Uri>();

        if (mOperations.size() == 0) {
            return resultUris;
        }
        // Apply the mOperations to the content provider
        try {
            ContentProviderResult[] results = mResolver.applyBatch(BankingContract.AUTHORITY,
                    mOperations);
            if (results != null && results.length > 0) {
                for (ContentProviderResult result : results) {
                    resultUris.add(result.uri);
                }
            }
        } 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();
        return resultUris;
    }
}

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