/* ***** BEGIN LICENSE BLOCK *****
 * Version: MPL 1.1/GPL 2.0/LGPL 2.1
 *
 * The contents of this file are subject to the Mozilla Public License Version
 * 1.1 (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.mozilla.org/MPL/
 *
 * Software distributed under the License is distributed on an "AS IS" basis,
 * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
 * for the specific language governing rights and limitations under the
 * License.
 *
 * The Original Code is Android Sync Client.
 *
 * The Initial Developer of the Original Code is
 * the Mozilla Foundation.
 * Portions created by the Initial Developer are Copyright (C) 2011
 * the Initial Developer. All Rights Reserved.
 *
 * Contributor(s):
 *   Richard Newman <rnewman@mozilla.com>
 *
 * Alternatively, the contents of this file may be used under the terms of
 * either the GNU General Public License Version 2 or later (the "GPL"), or
 * the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
 * in which case the provisions of the GPL or the LGPL are applicable instead
 * of those above. If you wish to allow use of your version of this file only
 * under the terms of either the GPL or the LGPL, and not to allow others to
 * use your version of this file under the terms of the MPL, indicate your
 * decision by deleting the provisions above and replace them with the notice
 * and other provisions required by the GPL or the LGPL. If you do not delete
 * the provisions above, a recipient may use your version of this file under
 * the terms of any one of the MPL, the GPL or the LGPL.
 *
 * ***** END LICENSE BLOCK ***** */

package org.mozilla.gecko.sync.repositories.delegates;

import java.util.concurrent.ExecutorService;

import org.mozilla.gecko.sync.repositories.delegates.RepositorySessionFetchRecordsDelegate;
import org.mozilla.gecko.sync.repositories.domain.Record;

public class DeferredRepositorySessionFetchRecordsDelegate implements RepositorySessionFetchRecordsDelegate {
  private RepositorySessionFetchRecordsDelegate inner;
  private ExecutorService executor;
  public DeferredRepositorySessionFetchRecordsDelegate(final RepositorySessionFetchRecordsDelegate inner, final ExecutorService executor) {
    this.inner = inner;
    this.executor = executor;
  }

  @Override
  public void onFetchedRecord(final Record record) {
    executor.execute(new Runnable() {
      @Override
      public void run() {
         inner.onFetchedRecord(record);
      }
    });
  }

  @Override
  public void onFetchSucceeded(final Record[] records, final long end) {
    executor.execute(new Runnable() {
      @Override
      public void run() {
        inner.onFetchSucceeded(records, end);  
      }
    });       
  }

  @Override
  public void onFetchFailed(final Exception ex, final Record record) {
    executor.execute(new Runnable() {
      @Override
      public void run() {
        inner.onFetchFailed(ex, record);
      }
    });       
  }

  @Override
  public void onFetchCompleted(final long end) {
    executor.execute(new Runnable() {
      @Override
      public void run() {
        inner.onFetchCompleted(end);
      }
    });        
  }

  @Override
  public RepositorySessionFetchRecordsDelegate deferredFetchDelegate(ExecutorService newExecutor) {
    if (newExecutor == executor) {
      return this;
    }
    throw new IllegalArgumentException("Can't re-defer this delegate.");
  }
}